Add m-esr52 at 52.6.0

16 files changed, 4925 insertions, 0 deletions

diff --git a/security/nss/cmd/libpkix/pkix/top/Makefile b/security/nss/cmd/libpkix/pkix/top/Makefile
new file mode 100755
index 000000000..09ca5f1c6
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/Makefile
@@ -0,0 +1,47 @@
+#! gmake
+# 
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#######################################################################
+# (1) Include initial platform-independent assignments (MANDATORY).   #
+#######################################################################
+
+include manifest.mn
+
+#######################################################################
+# (2) Include "global" configuration information. (OPTIONAL)          #
+#######################################################################
+
+include $(CORE_DEPTH)/coreconf/config.mk
+
+#######################################################################
+# (3) Include "component" configuration information. (OPTIONAL)       #
+#######################################################################
+
+include $(PKIX_DEPTH)/config.mk
+
+#######################################################################
+# (4) Include "local" platform-dependent assignments (OPTIONAL).      #
+#######################################################################
+
+include $(PLAT_DEPTH)/platlibs.mk
+
+#######################################################################
+# (5) Execute "global" rules. (OPTIONAL)                              #
+#######################################################################
+
+include $(CORE_DEPTH)/coreconf/rules.mk
+
+#######################################################################
+# (6) Execute "component" rules. (OPTIONAL)                           #
+#######################################################################
+
+
+
+#######################################################################
+# (7) Execute "local" rules. (OPTIONAL).                              #
+#######################################################################
+
+include $(PLAT_DEPTH)/platrules.mk
diff --git a/security/nss/cmd/libpkix/pkix/top/manifest.mn b/security/nss/cmd/libpkix/pkix/top/manifest.mn
new file mode 100755
index 000000000..a7d997dfb
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/manifest.mn
@@ -0,0 +1,33 @@
+# 
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+PKIX_DEPTH = ../..
+PLAT_DEPTH = $(PKIX_DEPTH)/..
+CORE_DEPTH = $(PKIX_DEPTH)/../../..
+
+# MODULE public and private header directories are implicitly REQUIRED.
+MODULE = nss
+
+CSRCS = test_basicchecker.c \
+	test_basicconstraintschecker.c \
+	test_buildchain.c \
+	test_buildchain_uchecker.c \
+	test_buildchain_partialchain.c \
+	test_buildchain_resourcelimits.c \
+	test_customcrlchecker.c \
+	test_defaultcrlchecker2stores.c \
+	test_ocsp.c \
+	test_policychecker.c \
+	test_subjaltnamechecker.c \
+	test_validatechain.c \
+	test_validatechain_bc.c \
+	test_validatechain_NB.c \
+	$(NULL)
+
+LIBRARY_NAME=pkixtooltop
+
+SOURCE_LIB_DIR=$(PKIX_DEPTH)/$(OBJDIR)
+
+NO_MD_RELEASE = 1
diff --git a/security/nss/cmd/libpkix/pkix/top/test_basicchecker.c b/security/nss/cmd/libpkix/pkix/top/test_basicchecker.c
new file mode 100644
index 000000000..658bf67be
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_basicchecker.c
@@ -0,0 +1,238 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_basicchecker.c
+ *
+ * Test Basic Checking
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+static void *plContext = NULL;
+
+static void
+testPass(char *dirName, char *goodInput, char *diffInput, char *dateAscii)
+{
+
+    PKIX_List *chain = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("Basic-Common-Fields <pass>");
+    /*
+         * Tests the Expiration, NameChaining, and Signature Checkers
+         */
+
+    chain = createCertChain(dirName, goodInput, diffInput, plContext);
+
+    valParams = createValidateParams(dirName,
+                                     goodInput,
+                                     diffInput,
+                                     dateAscii,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)verifyTree, &verifyString, plContext));
+    (void)printf("verifyTree is\n%s\n", verifyString->escAsciiString);
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+    PKIX_TEST_DECREF_AC(chain);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_TEST_RETURN();
+}
+
+static void
+testNameChainingFail(
+    char *dirName,
+    char *goodInput,
+    char *diffInput,
+    char *dateAscii)
+{
+    PKIX_List *chain = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("NameChaining <fail>");
+
+    chain = createCertChain(dirName, diffInput, goodInput, plContext);
+
+    valParams = createValidateParams(dirName,
+                                     goodInput,
+                                     diffInput,
+                                     dateAscii,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+    PKIX_TEST_DECREF_AC(chain);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_TEST_RETURN();
+}
+
+static void
+testDateFail(char *dirName, char *goodInput, char *diffInput)
+{
+
+    PKIX_List *chain = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    chain = createCertChain(dirName, goodInput, diffInput, plContext);
+
+    subTest("Expiration <fail>");
+    valParams = createValidateParams(dirName,
+                                     goodInput,
+                                     diffInput,
+                                     NULL,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, NULL, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(chain);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_TEST_RETURN();
+}
+
+static void
+testSignatureFail(
+    char *dirName,
+    char *goodInput,
+    char *diffInput,
+    char *dateAscii)
+{
+    PKIX_List *chain = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("Signature <fail>");
+
+    chain = createCertChain(dirName, diffInput, goodInput, plContext);
+
+    valParams = createValidateParams(dirName,
+                                     goodInput,
+                                     diffInput,
+                                     dateAscii,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, NULL, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(chain);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_TEST_RETURN();
+}
+
+static void
+printUsage(char *pName)
+{
+    printf("\nUSAGE: %s <central-data-dir>\n\n", pName);
+}
+
+int
+test_basicchecker(int argc, char *argv[])
+{
+
+    char *goodInput = "yassir2yassir";
+    char *diffInput = "yassir2bcn";
+    char *dateAscii = "991201000000Z";
+    char *dirName = NULL;
+    PKIX_UInt32 j = 0;
+    PKIX_UInt32 actualMinorVersion;
+
+    PKIX_TEST_STD_VARS();
+
+    startTests("SignatureChecker");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    if (argc < 2) {
+        printUsage(argv[0]);
+        return (0);
+    }
+
+    dirName = argv[j + 1];
+
+    /* The NameChaining, Expiration, and Signature Checkers all pass */
+    testPass(dirName, goodInput, diffInput, dateAscii);
+
+    /* Individual Checkers fail */
+    testNameChainingFail(dirName, goodInput, diffInput, dateAscii);
+    testDateFail(dirName, goodInput, diffInput);
+
+/*
+         * XXX
+         * since the signature check is done last, we need to create
+         * certs whose name chaining passes, but their signatures fail;
+         * we currently don't have any such certs.
+         */
+/* testSignatureFail(goodInput, diffInput, dateAscii); */
+
+cleanup:
+
+    PKIX_Shutdown(plContext);
+
+    PKIX_TEST_RETURN();
+
+    endTests("SignatureChecker");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_basicconstraintschecker.c b/security/nss/cmd/libpkix/pkix/top/test_basicconstraintschecker.c
new file mode 100644
index 000000000..eba5153ac
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_basicconstraintschecker.c
@@ -0,0 +1,145 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_basicconstraintschecker.c
+ *
+ * Test Basic Constraints Checking
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+#define PKIX_TEST_MAX_CERTS 10
+
+static void *plContext = NULL;
+
+static void
+printUsage1(char *pName)
+{
+    printf("\nUSAGE: %s test-name [ENE|EE] ", pName);
+    printf("cert [certs].\n");
+}
+
+static void
+printUsageMax(PKIX_UInt32 numCerts)
+{
+    printf("\nUSAGE ERROR: number of certs %d exceed maximum %d\n",
+           numCerts, PKIX_TEST_MAX_CERTS);
+}
+
+int
+test_basicconstraintschecker(int argc, char *argv[])
+{
+
+    PKIX_List *chain = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_UInt32 actualMinorVersion;
+    char *certNames[PKIX_TEST_MAX_CERTS];
+    PKIX_PL_Cert *certs[PKIX_TEST_MAX_CERTS];
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+    PKIX_UInt32 chainLength = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_UInt32 j = 0;
+    PKIX_Boolean testValid = PKIX_FALSE;
+    char *dirName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 4) {
+        printUsage1(argv[0]);
+        return (0);
+    }
+
+    startTests("BasicConstraintsChecker");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage1(argv[0]);
+        return (0);
+    }
+
+    dirName = argv[3 + j];
+
+    chainLength = (argc - j) - 4;
+    if (chainLength > PKIX_TEST_MAX_CERTS) {
+        printUsageMax(chainLength);
+    }
+
+    for (i = 0; i < chainLength; i++) {
+        certNames[i] = argv[(4 + j) + i];
+        certs[i] = NULL;
+    }
+
+    subTest(argv[1 + j]);
+
+    subTest("Basic-Constraints - Create Cert Chain");
+
+    chain = createCertChainPlus(dirName, certNames, certs, chainLength, plContext);
+
+    /*
+         * Error occurs when creating Cert, this is critical and test
+         * should not continue. Since we expect error, we assume this
+         * error is the one that is expected, so undo the error count.
+         *
+         * This work needs future enhancement. We will introduce another
+         * flag ESE, in addition to the existing EE(expect validation
+         * error) and ENE(expect no validation error). ESE stands for
+         * "expect setup error". When running with ESE, if any of the setup
+         * calls such creating Cert Chain fails, the test can end and
+         * considered to be successful.
+         */
+    if (testValid == PKIX_FALSE && chain == NULL) {
+        testErrorUndo("Cert Error - Create failed");
+        goto cleanup;
+    }
+
+    subTest("Basic-Constraints - Create Params");
+
+    valParams = createValidateParams(dirName,
+                                     argv[4 +
+                                          j],
+                                     NULL,
+                                     NULL,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    subTest("Basic-Constraints - Validate Chain");
+
+    if (testValid == PKIX_TRUE) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    } else {
+        PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    }
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+    PKIX_TEST_DECREF_AC(chain);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_Shutdown(plContext);
+
+    PKIX_TEST_RETURN();
+
+    endTests("BasicConstraintsChecker");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_buildchain.c b/security/nss/cmd/libpkix/pkix/top/test_buildchain.c
new file mode 100644
index 000000000..5c9ec5968
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_buildchain.c
@@ -0,0 +1,418 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_buildchain.c
+ *
+ * Test BuildChain function
+ *
+ */
+
+/* #define debuggingWithoutRevocation */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+#define LDAP_PORT 389
+static PKIX_Boolean usebind = PKIX_FALSE;
+static PKIX_Boolean useLDAP = PKIX_FALSE;
+static char buf[PR_NETDB_BUF_SIZE];
+static char *serverName = NULL;
+static char *sepPtr = NULL;
+static PRNetAddr netAddr;
+static PRHostEnt hostent;
+static PKIX_UInt32 portNum = 0;
+static PRIntn hostenum = 0;
+static PRStatus prstatus = PR_FAILURE;
+static void *ipaddr = NULL;
+
+static void *plContext = NULL;
+
+static void
+printUsage(void)
+{
+    (void)printf("\nUSAGE:\ttest_buildchain [-arenas] [usebind] "
+                 "servername[:port] <testName> [ENE|EE]\n"
+                 "\t <certStoreDirectory> <targetCert>"
+                 " <intermediate Certs...> <trustedCert>\n\n");
+    (void)printf("Builds a chain of certificates from <targetCert> to <trustedCert>\n"
+                 "using the certs and CRLs in <certStoreDirectory>. "
+                 "servername[:port] gives\n"
+                 "the address of an LDAP server. If port is not"
+                 " specified, port 389 is used. \"-\" means no LDAP server.\n"
+                 "If ENE is specified, then an Error is Not Expected. "
+                 "EE indicates an Error is Expected.\n");
+}
+
+static PKIX_Error *
+createLdapCertStore(
+    char *hostname,
+    PRIntervalTime timeout,
+    PKIX_CertStore **pLdapCertStore,
+    void *plContext)
+{
+    PRIntn backlog = 0;
+
+    char *bindname = "";
+    char *auth = "";
+
+    LDAPBindAPI bindAPI;
+    LDAPBindAPI *bindPtr = NULL;
+    PKIX_PL_LdapDefaultClient *ldapClient = NULL;
+    PKIX_CertStore *ldapCertStore = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (usebind) {
+        bindPtr = &bindAPI;
+        bindAPI.selector = SIMPLE_AUTH;
+        bindAPI.chooser.simple.bindName = bindname;
+        bindAPI.chooser.simple.authentication = auth;
+    }
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_LdapDefaultClient_CreateByName(hostname, timeout, bindPtr, &ldapClient, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_LdapCertStore_Create((PKIX_PL_LdapClient *)ldapClient,
+                                                           &ldapCertStore,
+                                                           plContext));
+
+    *pLdapCertStore = ldapCertStore;
+cleanup:
+
+    PKIX_TEST_DECREF_AC(ldapClient);
+
+    PKIX_TEST_RETURN();
+
+    return (pkixTestErrorResult);
+}
+
+int
+test_buildchain(int argc, char *argv[])
+{
+    PKIX_BuildResult *buildResult = NULL;
+    PKIX_ComCertSelParams *certSelParams = NULL;
+    PKIX_CertSelector *certSelector = NULL;
+    PKIX_TrustAnchor *anchor = NULL;
+    PKIX_PL_PublicKey *trustedPubKey = NULL;
+    PKIX_List *anchors = NULL;
+    PKIX_List *certs = NULL;
+    PKIX_RevocationChecker *revChecker = NULL;
+    PKIX_PL_Cert *cert = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    char *dirName = NULL;
+    PKIX_PL_String *dirNameString = NULL;
+    PKIX_PL_Cert *trustedCert = NULL;
+    PKIX_PL_Cert *targetCert = NULL;
+    PKIX_UInt32 actualMinorVersion = 0;
+    PKIX_UInt32 numCerts = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_UInt32 j = 0;
+    PKIX_UInt32 k = 0;
+    PKIX_CertStore *ldapCertStore = NULL;
+    PRIntervalTime timeout = PR_INTERVAL_NO_TIMEOUT; /* blocking */
+    /* PRIntervalTime timeout = PR_INTERVAL_NO_WAIT; =0 for non-blocking */
+    PKIX_CertStore *certStore = NULL;
+    PKIX_List *certStores = NULL;
+    PKIX_List *revCheckers = NULL;
+    char *asciiResult = NULL;
+    PKIX_Boolean result = PKIX_FALSE;
+    PKIX_Boolean testValid = PKIX_TRUE;
+    PKIX_List *expectedCerts = NULL;
+    PKIX_PL_Cert *dirCert = NULL;
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+    PKIX_PL_String *actualCertsString = NULL;
+    PKIX_PL_String *expectedCertsString = NULL;
+    void *state = NULL;
+    char *actualCertsAscii = NULL;
+    char *expectedCertsAscii = NULL;
+    PRPollDesc *pollDesc = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 5) {
+        printUsage();
+        return (0);
+    }
+
+    startTests("BuildChain");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /*
+         * arguments:
+         * [optional] -arenas
+         * [optional] usebind
+         *            servername or servername:port ( - for no server)
+         *            testname
+         *            EE or ENE
+         *            cert directory
+         *            target cert (end entity)
+         *            intermediate certs
+         *            trust anchor
+         */
+
+    /* optional argument "usebind" for Ldap CertStore */
+    if (argv[j + 1]) {
+        if (PORT_Strcmp(argv[j + 1], "usebind") == 0) {
+            usebind = PKIX_TRUE;
+            j++;
+        }
+    }
+
+    if (PORT_Strcmp(argv[++j], "-") == 0) {
+        useLDAP = PKIX_FALSE;
+    } else {
+        serverName = argv[j];
+        useLDAP = PKIX_TRUE;
+    }
+
+    subTest(argv[++j]);
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[++j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage();
+        return (0);
+    }
+
+    dirName = argv[++j];
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&expectedCerts, plContext));
+
+    for (k = ++j; k < (PKIX_UInt32)argc; k++) {
+
+        dirCert = createCert(dirName, argv[k], plContext);
+
+        if (k == (PKIX_UInt32)(argc - 1)) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_IncRef((PKIX_PL_Object *)dirCert, plContext));
+            trustedCert = dirCert;
+        } else {
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(expectedCerts,
+                                                           (PKIX_PL_Object *)dirCert,
+                                                           plContext));
+
+            if (k == j) {
+                PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_IncRef((PKIX_PL_Object *)dirCert, plContext));
+                targetCert = dirCert;
+            }
+        }
+
+        PKIX_TEST_DECREF_BC(dirCert);
+    }
+
+    /* create processing params with list of trust anchors */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_TrustAnchor_CreateWithCert(trustedCert, &anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&anchors, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(anchors, (PKIX_PL_Object *)anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_Create(anchors, &procParams, plContext));
+
+    /* create CertSelector with target certificate in params */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_Create(&certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_SetCertificate(certSelParams, targetCert, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_Create(NULL, NULL, &certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_SetCommonCertSelectorParams(certSelector, certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetTargetCertConstraints(procParams, certSelector, plContext));
+
+    /* create CertStores */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_ESCASCII, dirName, 0, &dirNameString, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&certStores, plContext));
+
+    if (useLDAP == PKIX_TRUE) {
+        PKIX_TEST_EXPECT_NO_ERROR(createLdapCertStore(serverName, timeout, &ldapCertStore, plContext));
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(certStores,
+                                                       (PKIX_PL_Object *)ldapCertStore,
+                                                       plContext));
+    } else {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_CollectionCertStore_Create(dirNameString, &certStore, plContext));
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(certStores, (PKIX_PL_Object *)certStore, plContext));
+    }
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetCertStores(procParams, certStores, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&revCheckers, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Cert_GetSubjectPublicKey(trustedCert, &trustedPubKey, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(expectedCerts, &numCerts, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(pkix_DefaultRevChecker_Initialize(certStores,
+                                                                NULL, /* testDate, may be NULL */
+                                                                trustedPubKey,
+                                                                numCerts,
+                                                                &revChecker,
+                                                                plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(revCheckers, (PKIX_PL_Object *)revChecker, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationCheckers(procParams, revCheckers, plContext));
+
+#ifdef debuggingWithoutRevocation
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_FALSE, plContext));
+#endif
+
+    /* build cert chain using processing params and return buildResult */
+
+    pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                          (void **)&pollDesc,
+                                          &state,
+                                          &buildResult,
+                                          &verifyTree,
+                                          plContext);
+
+    while (pollDesc != NULL) {
+
+        if (PR_Poll(pollDesc, 1, 0) < 0) {
+            testError("PR_Poll failed");
+        }
+
+        pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                              (void **)&pollDesc,
+                                              &state,
+                                              &buildResult,
+                                              &verifyTree,
+                                              plContext);
+    }
+
+    if (pkixTestErrorResult) {
+        if (testValid == PKIX_FALSE) { /* EE */
+            (void)printf("EXPECTED ERROR RECEIVED!\n");
+        } else { /* ENE */
+            testError("UNEXPECTED ERROR RECEIVED");
+        }
+    } else {
+        if (testValid == PKIX_TRUE) { /* ENE */
+            (void)printf("EXPECTED NON-ERROR RECEIVED!\n");
+        } else { /* EE */
+            (void)printf("UNEXPECTED NON-ERROR RECEIVED!\n");
+        }
+    }
+
+    subTest("Displaying VerifyNode objects");
+
+    if (verifyTree == NULL) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_ESCASCII, "(null)", 0, &verifyString, plContext));
+    } else {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)verifyTree, &verifyString, plContext));
+    }
+
+    (void)printf("verifyTree is\n%s\n", verifyString->escAsciiString);
+
+    if (pkixTestErrorResult) {
+        PKIX_TEST_DECREF_BC(pkixTestErrorResult);
+        goto cleanup;
+    }
+
+    if (buildResult) {
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_BuildResult_GetCertChain(buildResult, &certs, plContext));
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(certs, &numCerts, plContext));
+
+        printf("\n");
+
+        for (i = 0; i < numCerts; i++) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetItem(certs,
+                                                        i,
+                                                        (PKIX_PL_Object **)&cert,
+                                                        plContext));
+
+            asciiResult = PKIX_Cert2ASCII(cert);
+
+            printf("CERT[%d]:\n%s\n", i, asciiResult);
+
+            /* PKIX_Cert2ASCII used PKIX_PL_Malloc(...,,NULL) */
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Free(asciiResult, NULL));
+            asciiResult = NULL;
+
+            PKIX_TEST_DECREF_BC(cert);
+        }
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Equals((PKIX_PL_Object *)certs,
+                                                        (PKIX_PL_Object *)expectedCerts,
+                                                        &result,
+                                                        plContext));
+
+        if (!result) {
+            testError("BUILT CERTCHAIN IS "
+                      "NOT THE ONE THAT WAS EXPECTED");
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)certs,
+                                                              &actualCertsString,
+                                                              plContext));
+
+            actualCertsAscii = PKIX_String2ASCII(actualCertsString, plContext);
+            if (actualCertsAscii == NULL) {
+                pkixTestErrorMsg = "PKIX_String2ASCII Failed";
+                goto cleanup;
+            }
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)expectedCerts,
+                                                              &expectedCertsString,
+                                                              plContext));
+
+            expectedCertsAscii = PKIX_String2ASCII(expectedCertsString, plContext);
+            if (expectedCertsAscii == NULL) {
+                pkixTestErrorMsg = "PKIX_String2ASCII Failed";
+                goto cleanup;
+            }
+
+            (void)printf("Actual value:\t%s\n", actualCertsAscii);
+            (void)printf("Expected value:\t%s\n",
+                         expectedCertsAscii);
+        }
+    }
+
+cleanup:
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+
+    PKIX_PL_Free(asciiResult, NULL);
+    PKIX_PL_Free(actualCertsAscii, plContext);
+    PKIX_PL_Free(expectedCertsAscii, plContext);
+
+    PKIX_TEST_DECREF_AC(state);
+    PKIX_TEST_DECREF_AC(actualCertsString);
+    PKIX_TEST_DECREF_AC(expectedCertsString);
+    PKIX_TEST_DECREF_AC(expectedCerts);
+    PKIX_TEST_DECREF_AC(buildResult);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(certStores);
+    PKIX_TEST_DECREF_AC(revCheckers);
+    PKIX_TEST_DECREF_AC(revChecker);
+    PKIX_TEST_DECREF_AC(ldapCertStore);
+    PKIX_TEST_DECREF_AC(certStore);
+    PKIX_TEST_DECREF_AC(dirNameString);
+    PKIX_TEST_DECREF_AC(certSelParams);
+    PKIX_TEST_DECREF_AC(certSelector);
+    PKIX_TEST_DECREF_AC(anchors);
+    PKIX_TEST_DECREF_AC(anchor);
+    PKIX_TEST_DECREF_AC(trustedCert);
+    PKIX_TEST_DECREF_AC(trustedPubKey);
+
+    PKIX_TEST_DECREF_AC(certs);
+    PKIX_TEST_DECREF_AC(cert);
+    PKIX_TEST_DECREF_AC(targetCert);
+
+    PKIX_TEST_RETURN();
+
+    PKIX_Shutdown(plContext);
+
+    endTests("BuildChain");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_buildchain_partialchain.c b/security/nss/cmd/libpkix/pkix/top/test_buildchain_partialchain.c
new file mode 100644
index 000000000..4861a8e32
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_buildchain_partialchain.c
@@ -0,0 +1,725 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_buildchain_partialchain.c
+ *
+ * Test BuildChain function
+ *
+ */
+
+#define debuggingWithoutRevocation
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+#define LDAP_PORT 389
+static PKIX_Boolean usebind = PKIX_FALSE;
+static PKIX_Boolean useLDAP = PKIX_FALSE;
+static char buf[PR_NETDB_BUF_SIZE];
+static char *serverName = NULL;
+static char *sepPtr = NULL;
+static PRNetAddr netAddr;
+static PRHostEnt hostent;
+static PKIX_UInt32 portNum = 0;
+static PRIntn hostenum = 0;
+static PRStatus prstatus = PR_FAILURE;
+static void *ipaddr = NULL;
+
+static void *plContext = NULL;
+
+static void
+printUsage(void)
+{
+    (void)printf("\nUSAGE:\ttest_buildchain [-arenas] [usebind] "
+                 "servername[:port] <testName> [ENE|EE]\n"
+                 "\t <certStoreDirectory> <targetCert>"
+                 " <intermediate Certs...> <trustedCert>\n\n");
+    (void)printf("Builds a chain of certificates from <targetCert> to <trustedCert>\n"
+                 "using the certs and CRLs in <certStoreDirectory>. "
+                 "servername[:port] gives\n"
+                 "the address of an LDAP server. If port is not"
+                 " specified, port 389 is used. \"-\" means no LDAP server.\n"
+                 "If ENE is specified, then an Error is Not Expected. "
+                 "EE indicates an Error is Expected.\n");
+}
+
+static PKIX_Error *
+createLdapCertStore(
+    char *hostname,
+    PRIntervalTime timeout,
+    PKIX_CertStore **pLdapCertStore,
+    void *plContext)
+{
+    PRIntn backlog = 0;
+
+    char *bindname = "";
+    char *auth = "";
+
+    LDAPBindAPI bindAPI;
+    LDAPBindAPI *bindPtr = NULL;
+    PKIX_PL_LdapDefaultClient *ldapClient = NULL;
+    PKIX_CertStore *ldapCertStore = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (usebind) {
+        bindPtr = &bindAPI;
+        bindAPI.selector = SIMPLE_AUTH;
+        bindAPI.chooser.simple.bindName = bindname;
+        bindAPI.chooser.simple.authentication = auth;
+    }
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_LdapDefaultClient_CreateByName(hostname, timeout, bindPtr, &ldapClient, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_LdapCertStore_Create((PKIX_PL_LdapClient *)ldapClient,
+                                                           &ldapCertStore,
+                                                           plContext));
+
+    *pLdapCertStore = ldapCertStore;
+cleanup:
+
+    PKIX_TEST_DECREF_AC(ldapClient);
+
+    PKIX_TEST_RETURN();
+
+    return (pkixTestErrorResult);
+}
+
+/* Test with all Certs in the partial list, no leaf */
+static PKIX_Error *
+testWithNoLeaf(
+    PKIX_PL_Cert *trustedCert,
+    PKIX_List *listOfCerts,
+    PKIX_PL_Cert *targetCert,
+    PKIX_List *certStores,
+    PKIX_Boolean testValid,
+    void *plContext)
+{
+    PKIX_UInt32 numCerts = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_TrustAnchor *anchor = NULL;
+    PKIX_List *anchors = NULL;
+    PKIX_List *hintCerts = NULL;
+    PKIX_List *revCheckers = NULL;
+    PKIX_List *certs = NULL;
+    PKIX_PL_Cert *cert = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_ComCertSelParams *certSelParams = NULL;
+    PKIX_CertSelector *certSelector = NULL;
+    PKIX_PL_PublicKey *trustedPubKey = NULL;
+    PKIX_RevocationChecker *revChecker = NULL;
+    PKIX_BuildResult *buildResult = NULL;
+    PRPollDesc *pollDesc = NULL;
+    void *state = NULL;
+    char *asciiResult = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    /* create processing params with list of trust anchors */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_TrustAnchor_CreateWithCert(trustedCert, &anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&anchors, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(anchors, (PKIX_PL_Object *)anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_Create(anchors, &procParams, plContext));
+
+    /* create CertSelector with no target certificate in params */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_Create(&certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_Create(NULL, NULL, &certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_SetCommonCertSelectorParams(certSelector, certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetTargetCertConstraints(procParams, certSelector, plContext));
+
+    /* create hintCerts */
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Duplicate((PKIX_PL_Object *)listOfCerts,
+                                                       (PKIX_PL_Object **)&hintCerts,
+                                                       plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetHintCerts(procParams, hintCerts, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetCertStores(procParams, certStores, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&revCheckers, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Cert_GetSubjectPublicKey(trustedCert, &trustedPubKey, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(listOfCerts, &numCerts, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(pkix_DefaultRevChecker_Initialize(certStores,
+                                                                NULL, /* testDate, may be NULL */
+                                                                trustedPubKey,
+                                                                numCerts,
+                                                                &revChecker,
+                                                                plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(revCheckers, (PKIX_PL_Object *)revChecker, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationCheckers(procParams, revCheckers, plContext));
+
+#ifdef debuggingWithoutRevocation
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_FALSE, plContext));
+#endif
+
+    /* build cert chain using processing params and return buildResult */
+
+    pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                          (void **)&pollDesc,
+                                          &state,
+                                          &buildResult,
+                                          NULL,
+                                          plContext);
+
+    while (pollDesc != NULL) {
+
+        if (PR_Poll(pollDesc, 1, 0) < 0) {
+            testError("PR_Poll failed");
+        }
+
+        pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                              (void **)&pollDesc,
+                                              &state,
+                                              &buildResult,
+                                              NULL,
+                                              plContext);
+    }
+
+    if (pkixTestErrorResult) {
+        if (testValid == PKIX_FALSE) { /* EE */
+            (void)printf("EXPECTED ERROR RECEIVED!\n");
+        } else { /* ENE */
+            testError("UNEXPECTED ERROR RECEIVED");
+        }
+        PKIX_TEST_DECREF_BC(pkixTestErrorResult);
+        goto cleanup;
+    }
+
+    if (testValid == PKIX_TRUE) { /* ENE */
+        (void)printf("EXPECTED NON-ERROR RECEIVED!\n");
+    } else { /* EE */
+        (void)printf("UNEXPECTED NON-ERROR RECEIVED!\n");
+    }
+
+    if (buildResult) {
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_BuildResult_GetCertChain(buildResult, &certs, plContext));
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(certs, &numCerts, plContext));
+
+        printf("\n");
+
+        for (i = 0; i < numCerts; i++) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetItem(certs,
+                                                        i,
+                                                        (PKIX_PL_Object **)&cert,
+                                                        plContext));
+
+            asciiResult = PKIX_Cert2ASCII(cert);
+
+            printf("CERT[%d]:\n%s\n", i, asciiResult);
+
+            /* PKIX_Cert2ASCII used PKIX_PL_Malloc(...,,NULL) */
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Free(asciiResult, NULL));
+            asciiResult = NULL;
+
+            PKIX_TEST_DECREF_BC(cert);
+        }
+    }
+
+cleanup:
+    PKIX_PL_Free(asciiResult, NULL);
+
+    PKIX_TEST_DECREF_AC(state);
+    PKIX_TEST_DECREF_AC(buildResult);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(revCheckers);
+    PKIX_TEST_DECREF_AC(revChecker);
+    PKIX_TEST_DECREF_AC(certSelParams);
+    PKIX_TEST_DECREF_AC(certSelector);
+    PKIX_TEST_DECREF_AC(anchors);
+    PKIX_TEST_DECREF_AC(anchor);
+    PKIX_TEST_DECREF_AC(hintCerts);
+    PKIX_TEST_DECREF_AC(trustedPubKey);
+    PKIX_TEST_DECREF_AC(certs);
+    PKIX_TEST_DECREF_AC(cert);
+    PKIX_TEST_RETURN();
+
+    return (pkixTestErrorResult);
+}
+
+/* Test with all Certs in the partial list, leaf duplicates the first one */
+static PKIX_Error *
+testWithDuplicateLeaf(
+    PKIX_PL_Cert *trustedCert,
+    PKIX_List *listOfCerts,
+    PKIX_PL_Cert *targetCert,
+    PKIX_List *certStores,
+    PKIX_Boolean testValid,
+    void *plContext)
+{
+    PKIX_UInt32 numCerts = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_TrustAnchor *anchor = NULL;
+    PKIX_List *anchors = NULL;
+    PKIX_List *hintCerts = NULL;
+    PKIX_List *revCheckers = NULL;
+    PKIX_List *certs = NULL;
+    PKIX_PL_Cert *cert = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_ComCertSelParams *certSelParams = NULL;
+    PKIX_CertSelector *certSelector = NULL;
+    PKIX_PL_PublicKey *trustedPubKey = NULL;
+    PKIX_RevocationChecker *revChecker = NULL;
+    PKIX_BuildResult *buildResult = NULL;
+    PRPollDesc *pollDesc = NULL;
+    void *state = NULL;
+    char *asciiResult = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    /* create processing params with list of trust anchors */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_TrustAnchor_CreateWithCert(trustedCert, &anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&anchors, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(anchors, (PKIX_PL_Object *)anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_Create(anchors, &procParams, plContext));
+
+    /* create CertSelector with target certificate in params */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_Create(&certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_SetCertificate(certSelParams, targetCert, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_Create(NULL, NULL, &certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_SetCommonCertSelectorParams(certSelector, certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetTargetCertConstraints(procParams, certSelector, plContext));
+
+    /* create hintCerts */
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Duplicate((PKIX_PL_Object *)listOfCerts,
+                                                       (PKIX_PL_Object **)&hintCerts,
+                                                       plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetHintCerts(procParams, hintCerts, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetCertStores(procParams, certStores, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&revCheckers, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Cert_GetSubjectPublicKey(trustedCert, &trustedPubKey, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(listOfCerts, &numCerts, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(pkix_DefaultRevChecker_Initialize(certStores,
+                                                                NULL, /* testDate, may be NULL */
+                                                                trustedPubKey,
+                                                                numCerts,
+                                                                &revChecker,
+                                                                plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(revCheckers, (PKIX_PL_Object *)revChecker, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationCheckers(procParams, revCheckers, plContext));
+
+#ifdef debuggingWithoutRevocation
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_FALSE, plContext));
+#endif
+
+    /* build cert chain using processing params and return buildResult */
+
+    pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                          (void **)&pollDesc,
+                                          &state,
+                                          &buildResult,
+                                          NULL,
+                                          plContext);
+
+    while (pollDesc != NULL) {
+
+        if (PR_Poll(pollDesc, 1, 0) < 0) {
+            testError("PR_Poll failed");
+        }
+
+        pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                              (void **)&pollDesc,
+                                              &state,
+                                              &buildResult,
+                                              NULL,
+                                              plContext);
+    }
+
+    if (pkixTestErrorResult) {
+        if (testValid == PKIX_FALSE) { /* EE */
+            (void)printf("EXPECTED ERROR RECEIVED!\n");
+        } else { /* ENE */
+            testError("UNEXPECTED ERROR RECEIVED");
+        }
+        PKIX_TEST_DECREF_BC(pkixTestErrorResult);
+        goto cleanup;
+    }
+
+    if (testValid == PKIX_TRUE) { /* ENE */
+        (void)printf("EXPECTED NON-ERROR RECEIVED!\n");
+    } else { /* EE */
+        (void)printf("UNEXPECTED NON-ERROR RECEIVED!\n");
+    }
+
+    if (buildResult) {
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_BuildResult_GetCertChain(buildResult, &certs, plContext));
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(certs, &numCerts, plContext));
+
+        printf("\n");
+
+        for (i = 0; i < numCerts; i++) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetItem(certs,
+                                                        i,
+                                                        (PKIX_PL_Object **)&cert,
+                                                        plContext));
+
+            asciiResult = PKIX_Cert2ASCII(cert);
+
+            printf("CERT[%d]:\n%s\n", i, asciiResult);
+
+            /* PKIX_Cert2ASCII used PKIX_PL_Malloc(...,,NULL) */
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Free(asciiResult, NULL));
+            asciiResult = NULL;
+
+            PKIX_TEST_DECREF_BC(cert);
+        }
+    }
+
+cleanup:
+    PKIX_PL_Free(asciiResult, NULL);
+
+    PKIX_TEST_DECREF_AC(state);
+    PKIX_TEST_DECREF_AC(buildResult);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(revCheckers);
+    PKIX_TEST_DECREF_AC(revChecker);
+    PKIX_TEST_DECREF_AC(certSelParams);
+    PKIX_TEST_DECREF_AC(certSelector);
+    PKIX_TEST_DECREF_AC(anchors);
+    PKIX_TEST_DECREF_AC(anchor);
+    PKIX_TEST_DECREF_AC(hintCerts);
+    PKIX_TEST_DECREF_AC(trustedPubKey);
+    PKIX_TEST_DECREF_AC(certs);
+    PKIX_TEST_DECREF_AC(cert);
+    PKIX_TEST_RETURN();
+
+    return (pkixTestErrorResult);
+}
+
+/* Test with all Certs except the leaf in the partial list */
+static PKIX_Error *
+testWithLeafAndChain(
+    PKIX_PL_Cert *trustedCert,
+    PKIX_List *listOfCerts,
+    PKIX_PL_Cert *targetCert,
+    PKIX_List *certStores,
+    PKIX_Boolean testValid,
+    void *plContext)
+{
+    PKIX_UInt32 numCerts = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_TrustAnchor *anchor = NULL;
+    PKIX_List *anchors = NULL;
+    PKIX_List *hintCerts = NULL;
+    PKIX_List *revCheckers = NULL;
+    PKIX_List *certs = NULL;
+    PKIX_PL_Cert *cert = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_ComCertSelParams *certSelParams = NULL;
+    PKIX_CertSelector *certSelector = NULL;
+    PKIX_PL_PublicKey *trustedPubKey = NULL;
+    PKIX_RevocationChecker *revChecker = NULL;
+    PKIX_BuildResult *buildResult = NULL;
+    PRPollDesc *pollDesc = NULL;
+    void *state = NULL;
+    char *asciiResult = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    /* create processing params with list of trust anchors */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_TrustAnchor_CreateWithCert(trustedCert, &anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&anchors, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(anchors, (PKIX_PL_Object *)anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_Create(anchors, &procParams, plContext));
+
+    /* create CertSelector with target certificate in params */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_Create(&certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_SetCertificate(certSelParams, targetCert, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_Create(NULL, NULL, &certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_SetCommonCertSelectorParams(certSelector, certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetTargetCertConstraints(procParams, certSelector, plContext));
+
+    /* create hintCerts */
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Duplicate((PKIX_PL_Object *)listOfCerts,
+                                                       (PKIX_PL_Object **)&hintCerts,
+                                                       plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_DeleteItem(hintCerts, 0, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetHintCerts(procParams, hintCerts, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetCertStores(procParams, certStores, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&revCheckers, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Cert_GetSubjectPublicKey(trustedCert, &trustedPubKey, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(listOfCerts, &numCerts, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(pkix_DefaultRevChecker_Initialize(certStores,
+                                                                NULL, /* testDate, may be NULL */
+                                                                trustedPubKey,
+                                                                numCerts,
+                                                                &revChecker,
+                                                                plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(revCheckers, (PKIX_PL_Object *)revChecker, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationCheckers(procParams, revCheckers, plContext));
+
+#ifdef debuggingWithoutRevocation
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_FALSE, plContext));
+#endif
+
+    /* build cert chain using processing params and return buildResult */
+
+    pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                          (void **)&pollDesc,
+                                          &state,
+                                          &buildResult,
+                                          NULL,
+                                          plContext);
+
+    while (pollDesc != NULL) {
+
+        if (PR_Poll(pollDesc, 1, 0) < 0) {
+            testError("PR_Poll failed");
+        }
+
+        pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                              (void **)&pollDesc,
+                                              &state,
+                                              &buildResult,
+                                              NULL,
+                                              plContext);
+    }
+
+    if (pkixTestErrorResult) {
+        if (testValid == PKIX_FALSE) { /* EE */
+            (void)printf("EXPECTED ERROR RECEIVED!\n");
+        } else { /* ENE */
+            testError("UNEXPECTED ERROR RECEIVED");
+        }
+        PKIX_TEST_DECREF_BC(pkixTestErrorResult);
+        goto cleanup;
+    }
+
+    if (testValid == PKIX_TRUE) { /* ENE */
+        (void)printf("EXPECTED NON-ERROR RECEIVED!\n");
+    } else { /* EE */
+        (void)printf("UNEXPECTED NON-ERROR RECEIVED!\n");
+    }
+
+    if (buildResult) {
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_BuildResult_GetCertChain(buildResult, &certs, plContext));
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(certs, &numCerts, plContext));
+
+        printf("\n");
+
+        for (i = 0; i < numCerts; i++) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetItem(certs,
+                                                        i,
+                                                        (PKIX_PL_Object **)&cert,
+                                                        plContext));
+
+            asciiResult = PKIX_Cert2ASCII(cert);
+
+            printf("CERT[%d]:\n%s\n", i, asciiResult);
+
+            /* PKIX_Cert2ASCII used PKIX_PL_Malloc(...,,NULL) */
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Free(asciiResult, NULL));
+            asciiResult = NULL;
+
+            PKIX_TEST_DECREF_BC(cert);
+        }
+    }
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(state);
+    PKIX_TEST_DECREF_AC(buildResult);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(revCheckers);
+    PKIX_TEST_DECREF_AC(revChecker);
+    PKIX_TEST_DECREF_AC(certSelParams);
+    PKIX_TEST_DECREF_AC(certSelector);
+    PKIX_TEST_DECREF_AC(anchors);
+    PKIX_TEST_DECREF_AC(anchor);
+    PKIX_TEST_DECREF_AC(hintCerts);
+    PKIX_TEST_DECREF_AC(trustedPubKey);
+    PKIX_TEST_DECREF_AC(certs);
+    PKIX_TEST_DECREF_AC(cert);
+
+    PKIX_TEST_RETURN();
+
+    return (pkixTestErrorResult);
+}
+
+int
+test_buildchain_partialchain(int argc, char *argv[])
+{
+    PKIX_UInt32 actualMinorVersion = 0;
+    PKIX_UInt32 j = 0;
+    PKIX_UInt32 k = 0;
+    PKIX_Boolean ene = PKIX_TRUE; /* expect no error */
+    PKIX_List *listOfCerts = NULL;
+    PKIX_List *certStores = NULL;
+    PKIX_PL_Cert *dirCert = NULL;
+    PKIX_PL_Cert *trusted = NULL;
+    PKIX_PL_Cert *target = NULL;
+    PKIX_CertStore *ldapCertStore = NULL;
+    PKIX_CertStore *certStore = NULL;
+    PKIX_PL_String *dirNameString = NULL;
+    char *dirName = NULL;
+
+    PRIntervalTime timeout = PR_INTERVAL_NO_TIMEOUT; /* blocking */
+    /* PRIntervalTime timeout = PR_INTERVAL_NO_WAIT; =0 for non-blocking */
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 5) {
+        printUsage();
+        return (0);
+    }
+
+    startTests("BuildChain");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /*
+         * arguments:
+         * [optional] -arenas
+         * [optional] usebind
+         *            servername or servername:port ( - for no server)
+         *            testname
+         *            EE or ENE
+         *            cert directory
+         *            target cert (end entity)
+         *            intermediate certs
+         *            trust anchor
+         */
+
+    /* optional argument "usebind" for Ldap CertStore */
+    if (argv[j + 1]) {
+        if (PORT_Strcmp(argv[j + 1], "usebind") == 0) {
+            usebind = PKIX_TRUE;
+            j++;
+        }
+    }
+
+    if (PORT_Strcmp(argv[++j], "-") == 0) {
+        useLDAP = PKIX_FALSE;
+    } else {
+        serverName = argv[j];
+        useLDAP = PKIX_TRUE;
+    }
+
+    subTest(argv[++j]);
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[++j], "ENE") == 0) {
+        ene = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[j], "EE") == 0) {
+        ene = PKIX_FALSE;
+    } else {
+        printUsage();
+        return (0);
+    }
+
+    dirName = argv[++j];
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&listOfCerts, plContext));
+
+    for (k = ++j; k < ((PKIX_UInt32)argc); k++) {
+
+        dirCert = createCert(dirName, argv[k], plContext);
+
+        if (k == ((PKIX_UInt32)(argc - 1))) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_IncRef((PKIX_PL_Object *)dirCert, plContext));
+            trusted = dirCert;
+        } else {
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(listOfCerts,
+                                                           (PKIX_PL_Object *)dirCert,
+                                                           plContext));
+
+            if (k == j) {
+                PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_IncRef((PKIX_PL_Object *)dirCert, plContext));
+                target = dirCert;
+            }
+        }
+
+        PKIX_TEST_DECREF_BC(dirCert);
+    }
+
+    /* create CertStores */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_ESCASCII, dirName, 0, &dirNameString, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&certStores, plContext));
+
+    if (useLDAP == PKIX_TRUE) {
+        PKIX_TEST_EXPECT_NO_ERROR(createLdapCertStore(serverName, timeout, &ldapCertStore, plContext));
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(certStores,
+                                                       (PKIX_PL_Object *)ldapCertStore,
+                                                       plContext));
+    } else {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_CollectionCertStore_Create(dirNameString, &certStore, plContext));
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(certStores, (PKIX_PL_Object *)certStore, plContext));
+    }
+
+    subTest("testWithNoLeaf");
+    PKIX_TEST_EXPECT_NO_ERROR(testWithNoLeaf(trusted, listOfCerts, target, certStores, ene, plContext));
+
+    subTest("testWithDuplicateLeaf");
+    PKIX_TEST_EXPECT_NO_ERROR(testWithDuplicateLeaf(trusted, listOfCerts, target, certStores, ene, plContext));
+
+    subTest("testWithLeafAndChain");
+    PKIX_TEST_EXPECT_NO_ERROR(testWithLeafAndChain(trusted, listOfCerts, target, certStores, ene, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(listOfCerts);
+    PKIX_TEST_DECREF_AC(certStores);
+    PKIX_TEST_DECREF_AC(ldapCertStore);
+    PKIX_TEST_DECREF_AC(certStore);
+    PKIX_TEST_DECREF_AC(dirNameString);
+    PKIX_TEST_DECREF_AC(trusted);
+    PKIX_TEST_DECREF_AC(target);
+
+    PKIX_TEST_RETURN();
+
+    PKIX_Shutdown(plContext);
+
+    endTests("BuildChain");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_buildchain_resourcelimits.c b/security/nss/cmd/libpkix/pkix/top/test_buildchain_resourcelimits.c
new file mode 100644
index 000000000..1b28435b0
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_buildchain_resourcelimits.c
@@ -0,0 +1,438 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_buildchain_resourcelimits.c
+ *
+ * Test BuildChain function with constraints on resources
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+#define PKIX_TESTUSERCHECKER_TYPE (PKIX_NUMTYPES + 30)
+
+static void *plContext = NULL;
+static PKIX_Boolean usebind = PKIX_FALSE;
+static PKIX_Boolean useLDAP = PKIX_FALSE;
+static char buf[PR_NETDB_BUF_SIZE];
+static char *serverName = NULL;
+
+static void
+printUsage(void)
+{
+    (void)printf("\nUSAGE:\ttest_buildchain_resourcelimits [-arenas] "
+                 "[usebind] servername[:port]\\\n\t\t<testName> [ENE|EE]"
+                 " <certStoreDirectory>\\\n\t\t<targetCert>"
+                 " <intermediate Certs...> <trustedCert>\n\n");
+    (void)printf("Builds a chain of certificates from <targetCert> to <trustedCert>\n"
+                 "using the certs and CRLs in <certStoreDirectory>. "
+                 "servername[:port] gives\n"
+                 "the address of an LDAP server. If port is not"
+                 " specified, port 389 is used.\n\"-\" means no LDAP server.\n\n"
+                 "If ENE is specified, then an Error is Not Expected.\n"
+                 "EE indicates an Error is Expected.\n");
+}
+
+static PKIX_Error *
+createLdapCertStore(
+    char *hostname,
+    PRIntervalTime timeout,
+    PKIX_CertStore **pLdapCertStore,
+    void *plContext)
+{
+    PRIntn backlog = 0;
+
+    char *bindname = "";
+    char *auth = "";
+
+    LDAPBindAPI bindAPI;
+    LDAPBindAPI *bindPtr = NULL;
+    PKIX_PL_LdapDefaultClient *ldapClient = NULL;
+    PKIX_CertStore *ldapCertStore = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (usebind) {
+        bindPtr = &bindAPI;
+        bindAPI.selector = SIMPLE_AUTH;
+        bindAPI.chooser.simple.bindName = bindname;
+        bindAPI.chooser.simple.authentication = auth;
+    }
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_LdapDefaultClient_CreateByName(hostname, timeout, bindPtr, &ldapClient, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_LdapCertStore_Create((PKIX_PL_LdapClient *)ldapClient, &ldapCertStore, plContext));
+
+    *pLdapCertStore = ldapCertStore;
+cleanup:
+
+    PKIX_TEST_DECREF_AC(ldapClient);
+
+    PKIX_TEST_RETURN();
+
+    return (pkixTestErrorResult);
+}
+
+static void
+Test_BuildResult(
+    PKIX_ProcessingParams *procParams,
+    PKIX_Boolean testValid,
+    PKIX_List *expectedCerts,
+    void *plContext)
+{
+    PKIX_PL_Cert *cert = NULL;
+    PKIX_List *certs = NULL;
+    PKIX_PL_String *actualCertsString = NULL;
+    PKIX_PL_String *expectedCertsString = NULL;
+    PKIX_BuildResult *buildResult = NULL;
+    PKIX_Boolean result;
+    PKIX_Boolean supportForward = PKIX_FALSE;
+    PKIX_UInt32 numCerts, i;
+    char *asciiResult = NULL;
+    char *actualCertsAscii = NULL;
+    char *expectedCertsAscii = NULL;
+    void *state = NULL;
+    PRPollDesc *pollDesc = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                          (void **)&pollDesc,
+                                          &state,
+                                          &buildResult,
+                                          NULL,
+                                          plContext);
+
+    while (pollDesc != NULL) {
+
+        if (PR_Poll(pollDesc, 1, 0) < 0) {
+            testError("PR_Poll failed");
+        }
+
+        pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                              (void **)&pollDesc,
+                                              &state,
+                                              &buildResult,
+                                              NULL,
+                                              plContext);
+    }
+
+    if (pkixTestErrorResult) {
+        if (testValid == PKIX_FALSE) { /* EE */
+            (void)printf("EXPECTED ERROR RECEIVED!\n");
+        } else { /* ENE */
+            testError("UNEXPECTED ERROR RECEIVED!\n");
+        }
+        PKIX_TEST_DECREF_BC(pkixTestErrorResult);
+        goto cleanup;
+    }
+
+    if (testValid == PKIX_TRUE) { /* ENE */
+        (void)printf("EXPECTED NON-ERROR RECEIVED!\n");
+    } else { /* EE */
+        testError("UNEXPECTED NON-ERROR RECEIVED!\n");
+    }
+
+    if (buildResult) {
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_BuildResult_GetCertChain(buildResult, &certs, NULL));
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(certs, &numCerts, plContext));
+
+        printf("\n");
+
+        for (i = 0; i < numCerts; i++) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetItem(certs,
+                                                        i,
+                                                        (PKIX_PL_Object **)&cert,
+                                                        plContext));
+
+            asciiResult = PKIX_Cert2ASCII(cert);
+
+            printf("CERT[%d]:\n%s\n", i, asciiResult);
+
+            /* PKIX_Cert2ASCII used PKIX_PL_Malloc(...,,NULL) */
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Free(asciiResult, NULL));
+            asciiResult = NULL;
+
+            PKIX_TEST_DECREF_BC(cert);
+        }
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Equals((PKIX_PL_Object *)certs,
+                                                        (PKIX_PL_Object *)expectedCerts,
+                                                        &result,
+                                                        plContext));
+
+        if (!result) {
+            testError("BUILT CERTCHAIN IS "
+                      "NOT THE ONE THAT WAS EXPECTED");
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)certs,
+                                                              &actualCertsString,
+                                                              plContext));
+
+            actualCertsAscii = PKIX_String2ASCII(actualCertsString, plContext);
+            if (actualCertsAscii == NULL) {
+                pkixTestErrorMsg = "PKIX_String2ASCII Failed";
+                goto cleanup;
+            }
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)expectedCerts,
+                                                              &expectedCertsString,
+                                                              plContext));
+
+            expectedCertsAscii = PKIX_String2ASCII(expectedCertsString, plContext);
+            if (expectedCertsAscii == NULL) {
+                pkixTestErrorMsg = "PKIX_String2ASCII Failed";
+                goto cleanup;
+            }
+
+            (void)printf("Actual value:\t%s\n", actualCertsAscii);
+            (void)printf("Expected value:\t%s\n",
+                         expectedCertsAscii);
+        }
+    }
+
+cleanup:
+
+    PKIX_PL_Free(asciiResult, NULL);
+    PKIX_PL_Free(actualCertsAscii, plContext);
+    PKIX_PL_Free(expectedCertsAscii, plContext);
+    PKIX_TEST_DECREF_AC(state);
+    PKIX_TEST_DECREF_AC(buildResult);
+    PKIX_TEST_DECREF_AC(certs);
+    PKIX_TEST_DECREF_AC(cert);
+    PKIX_TEST_DECREF_AC(actualCertsString);
+    PKIX_TEST_DECREF_AC(expectedCertsString);
+
+    PKIX_TEST_RETURN();
+}
+
+int
+test_buildchain_resourcelimits(int argc, char *argv[])
+{
+    PKIX_ComCertSelParams *certSelParams = NULL;
+    PKIX_CertSelector *certSelector = NULL;
+    PKIX_TrustAnchor *anchor = NULL;
+    PKIX_List *anchors = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_CertChainChecker *checker = NULL;
+    PKIX_ResourceLimits *resourceLimits = NULL;
+    char *dirName = NULL;
+    PKIX_PL_String *dirNameString = NULL;
+    PKIX_PL_Cert *trustedCert = NULL;
+    PKIX_PL_Cert *targetCert = NULL;
+    PKIX_PL_Cert *dirCert = NULL;
+    PKIX_UInt32 actualMinorVersion = 0;
+    PKIX_UInt32 j = 0;
+    PKIX_UInt32 k = 0;
+    PKIX_CertStore *ldapCertStore = NULL;
+    PRIntervalTime timeout = 0; /* 0 for non-blocking */
+    PKIX_CertStore *certStore = NULL;
+    PKIX_List *certStores = NULL;
+    PKIX_List *expectedCerts = NULL;
+    PKIX_Boolean testValid = PKIX_FALSE;
+    PKIX_Boolean usebind = PKIX_FALSE;
+    PKIX_Boolean useLDAP = PKIX_FALSE;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 5) {
+        printUsage();
+        return (0);
+    }
+
+    startTests("BuildChain_ResourceLimits");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /*
+         * arguments:
+         * [optional] -arenas
+         * [optional] usebind
+         *            servername or servername:port ( - for no server)
+         *            testname
+         *            EE or ENE
+         *            cert directory
+         *            target cert (end entity)
+         *            intermediate certs
+         *            trust anchor
+         */
+
+    /* optional argument "usebind" for Ldap CertStore */
+    if (argv[j + 1]) {
+        if (PORT_Strcmp(argv[j + 1], "usebind") == 0) {
+            usebind = PKIX_TRUE;
+            j++;
+        }
+    }
+
+    if (PORT_Strcmp(argv[++j], "-") == 0) {
+        useLDAP = PKIX_FALSE;
+    } else {
+        serverName = argv[j];
+    }
+
+    subTest(argv[++j]);
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[++j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage();
+        return (0);
+    }
+
+    dirName = argv[++j];
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&expectedCerts, plContext));
+
+    for (k = ++j; k < argc; k++) {
+
+        dirCert = createCert(dirName, argv[k], plContext);
+
+        if (k == (argc - 1)) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_IncRef((PKIX_PL_Object *)dirCert, plContext));
+            trustedCert = dirCert;
+        } else {
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(expectedCerts,
+                                                           (PKIX_PL_Object *)dirCert,
+                                                           plContext));
+
+            if (k == j) {
+                PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_IncRef((PKIX_PL_Object *)dirCert, plContext));
+                targetCert = dirCert;
+            }
+        }
+
+        PKIX_TEST_DECREF_BC(dirCert);
+    }
+
+    /* create processing params with list of trust anchors */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_TrustAnchor_CreateWithCert(trustedCert, &anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&anchors, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(anchors, (PKIX_PL_Object *)anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_Create(anchors, &procParams, plContext));
+
+    /* create CertSelector with target certificate in params */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_Create(&certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_SetCertificate(certSelParams, targetCert, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_Create(NULL, NULL, &certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_SetCommonCertSelectorParams(certSelector, certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetTargetCertConstraints(procParams, certSelector, plContext));
+
+    /* create CertStores */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_ESCASCII,
+                                                    dirName,
+                                                    0,
+                                                    &dirNameString,
+                                                    plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_CollectionCertStore_Create(dirNameString, &certStore, plContext));
+
+#if 0
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Pk11CertStore_Create
+                                    (&certStore, plContext));
+#endif
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&certStores, plContext));
+
+    if (useLDAP == PKIX_TRUE) {
+        PKIX_TEST_EXPECT_NO_ERROR(createLdapCertStore(serverName, timeout, &ldapCertStore, plContext));
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(certStores,
+                                                       (PKIX_PL_Object *)ldapCertStore,
+                                                       plContext));
+    }
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(certStores, (PKIX_PL_Object *)certStore, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetCertStores(procParams, certStores, plContext));
+
+    /* set resource limits */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_Create(&resourceLimits, plContext));
+
+    /* need longer time when running dbx for memory leak checking */
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_SetMaxTime(resourceLimits, 60, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_SetMaxFanout(resourceLimits, 2, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_SetMaxDepth(resourceLimits, 2, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetResourceLimits(procParams, resourceLimits, plContext));
+
+    /* build cert chain using processing params and return buildResult */
+
+    subTest("Testing ResourceLimits MaxFanout & MaxDepth - <pass>");
+    Test_BuildResult(procParams,
+                     testValid,
+                     expectedCerts,
+                     plContext);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_SetMaxFanout(resourceLimits, 1, plContext));
+
+    subTest("Testing ResourceLimits MaxFanout - <fail>");
+    Test_BuildResult(procParams,
+                     PKIX_FALSE,
+                     expectedCerts,
+                     plContext);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_SetMaxFanout(resourceLimits, 2, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_SetMaxDepth(resourceLimits, 1, plContext));
+
+    subTest("Testing ResourceLimits MaxDepth - <fail>");
+    Test_BuildResult(procParams,
+                     PKIX_FALSE,
+                     expectedCerts,
+                     plContext);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_SetMaxFanout(resourceLimits, 0, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_SetMaxDepth(resourceLimits, 0, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ResourceLimits_SetMaxTime(resourceLimits, 0, plContext));
+
+    subTest("Testing ResourceLimits No checking - <pass>");
+    Test_BuildResult(procParams,
+                     testValid,
+                     expectedCerts,
+                     plContext);
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(expectedCerts);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(certStores);
+    PKIX_TEST_DECREF_AC(certStore);
+    PKIX_TEST_DECREF_AC(ldapCertStore);
+    PKIX_TEST_DECREF_AC(dirNameString);
+    PKIX_TEST_DECREF_AC(trustedCert);
+    PKIX_TEST_DECREF_AC(targetCert);
+    PKIX_TEST_DECREF_AC(anchors);
+    PKIX_TEST_DECREF_AC(anchor);
+    PKIX_TEST_DECREF_AC(certSelParams);
+    PKIX_TEST_DECREF_AC(certSelector);
+    PKIX_TEST_DECREF_AC(checker);
+    PKIX_TEST_DECREF_AC(resourceLimits);
+
+    PKIX_TEST_RETURN();
+
+    PKIX_Shutdown(plContext);
+
+    endTests("BuildChain_UserChecker");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_buildchain_uchecker.c b/security/nss/cmd/libpkix/pkix/top/test_buildchain_uchecker.c
new file mode 100644
index 000000000..43f06ec2a
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_buildchain_uchecker.c
@@ -0,0 +1,327 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_buildchain_uchecker.c
+ *
+ * Test BuildChain User Checker function
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+static void *plContext = NULL;
+static PKIX_UInt32 numUserCheckerCalled = 0;
+
+static void
+printUsage(void)
+{
+    (void)printf("\nUSAGE:\ttest_buildchain_uchecker [ENE|EE] "
+                 "[-|[F]<userOID>] "
+                 "<trustedCert> <targetCert> <certStoreDirectory>\n\n");
+    (void)printf("Builds a chain of certificates between "
+                 "<trustedCert> and <targetCert>\n"
+                 "using the certs and CRLs in <certStoreDirectory>.\n"
+                 "If <userOID> is not an empty string, its value is used as\n"
+                 "user defined checker's critical extension OID.\n"
+                 "A - for <userOID> is no OID and F is for supportingForward.\n"
+                 "If ENE is specified, then an Error is Not Expected.\n"
+                 "If EE is specified, an Error is Expected.\n");
+}
+
+static PKIX_Error *
+testUserChecker(
+    PKIX_CertChainChecker *checker,
+    PKIX_PL_Cert *cert,
+    PKIX_List *unresExtOIDs,
+    void **pNBIOContext,
+    void *plContext)
+{
+    numUserCheckerCalled++;
+    return (0);
+}
+
+int
+test_buildchain_uchecker(int argc, char *argv[])
+{
+    PKIX_BuildResult *buildResult = NULL;
+    PKIX_ComCertSelParams *certSelParams = NULL;
+    PKIX_CertSelector *certSelector = NULL;
+    PKIX_TrustAnchor *anchor = NULL;
+    PKIX_List *anchors = NULL;
+    PKIX_List *certs = NULL;
+    PKIX_PL_Cert *cert = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_CertChainChecker *checker = NULL;
+    char *dirName = NULL;
+    PKIX_PL_String *dirNameString = NULL;
+    PKIX_PL_Cert *trustedCert = NULL;
+    PKIX_PL_Cert *targetCert = NULL;
+    PKIX_UInt32 numCerts = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_UInt32 j = 0;
+    PKIX_UInt32 k = 0;
+    PKIX_UInt32 chainLength = 0;
+    PKIX_CertStore *certStore = NULL;
+    PKIX_List *certStores = NULL;
+    char *asciiResult = NULL;
+    PKIX_Boolean result;
+    PKIX_Boolean testValid = PKIX_TRUE;
+    PKIX_Boolean supportForward = PKIX_FALSE;
+    PKIX_List *expectedCerts = NULL;
+    PKIX_List *userOIDs = NULL;
+    PKIX_PL_OID *oid = NULL;
+    PKIX_PL_Cert *dirCert = NULL;
+    PKIX_PL_String *actualCertsString = NULL;
+    PKIX_PL_String *expectedCertsString = NULL;
+    char *actualCertsAscii = NULL;
+    char *expectedCertsAscii = NULL;
+    char *oidString = NULL;
+    void *buildState = NULL;  /* needed by pkix_build for non-blocking I/O */
+    void *nbioContext = NULL; /* needed by pkix_build for non-blocking I/O */
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 5) {
+        printUsage();
+        return (0);
+    }
+
+    startTests("BuildChain_UserChecker");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage();
+        return (0);
+    }
+
+    /* OID specified at argv[3+j] */
+
+    if (*argv[3 + j] != '-') {
+
+        if (*argv[3 + j] == 'F') {
+            supportForward = PKIX_TRUE;
+            oidString = argv[3 + j] + 1;
+        } else {
+            oidString = argv[3 + j];
+        }
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&userOIDs, plContext));
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_OID_Create(oidString, &oid, plContext));
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(userOIDs, (PKIX_PL_Object *)oid, plContext));
+        PKIX_TEST_DECREF_BC(oid);
+    }
+
+    subTest(argv[1 + j]);
+
+    dirName = argv[4 + j];
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&expectedCerts, plContext));
+
+    chainLength = argc - j - 5;
+
+    for (k = 0; k < chainLength; k++) {
+
+        dirCert = createCert(dirName, argv[5 + k + j], plContext);
+
+        if (k == (chainLength - 1)) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_IncRef((PKIX_PL_Object *)dirCert, plContext));
+            trustedCert = dirCert;
+        } else {
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(expectedCerts,
+                                                           (PKIX_PL_Object *)dirCert,
+                                                           plContext));
+
+            if (k == 0) {
+                PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_IncRef((PKIX_PL_Object *)dirCert,
+                                                                plContext));
+                targetCert = dirCert;
+            }
+        }
+
+        PKIX_TEST_DECREF_BC(dirCert);
+    }
+
+    /* create processing params with list of trust anchors */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_TrustAnchor_CreateWithCert(trustedCert, &anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&anchors, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(anchors, (PKIX_PL_Object *)anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_Create(anchors, &procParams, plContext));
+
+    /* create CertSelector with target certificate in params */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_Create(&certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_SetCertificate(certSelParams, targetCert, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_Create(NULL, NULL, &certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_SetCommonCertSelectorParams(certSelector, certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetTargetCertConstraints(procParams, certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertChainChecker_Create(testUserChecker,
+                                                           supportForward,
+                                                           PKIX_FALSE,
+                                                           userOIDs,
+                                                           NULL,
+                                                           &checker,
+                                                           plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_AddCertChainChecker(procParams, checker, plContext));
+
+    /* create CertStores */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_ESCASCII,
+                                                    dirName,
+                                                    0,
+                                                    &dirNameString,
+                                                    plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_CollectionCertStore_Create(dirNameString, &certStore, plContext));
+
+#if 0
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Pk11CertStore_Create
+                                    (&certStore, plContext));
+#endif
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&certStores, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(certStores, (PKIX_PL_Object *)certStore, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetCertStores(procParams, certStores, plContext));
+
+    /* build cert chain using processing params and return buildResult */
+
+    pkixTestErrorResult = PKIX_BuildChain(procParams,
+                                          &nbioContext,
+                                          &buildState,
+                                          &buildResult,
+                                          NULL,
+                                          plContext);
+
+    if (testValid == PKIX_TRUE) { /* ENE */
+        if (pkixTestErrorResult) {
+            (void)printf("UNEXPECTED RESULT RECEIVED!\n");
+        } else {
+            (void)printf("EXPECTED RESULT RECEIVED!\n");
+            PKIX_TEST_DECREF_BC(pkixTestErrorResult);
+        }
+    } else { /* EE */
+        if (pkixTestErrorResult) {
+            (void)printf("EXPECTED RESULT RECEIVED!\n");
+            PKIX_TEST_DECREF_BC(pkixTestErrorResult);
+        } else {
+            testError("UNEXPECTED RESULT RECEIVED");
+        }
+    }
+
+    if (buildResult) {
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_BuildResult_GetCertChain(buildResult, &certs, NULL));
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(certs, &numCerts, plContext));
+
+        printf("\n");
+
+        for (i = 0; i < numCerts; i++) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetItem(certs,
+                                                        i,
+                                                        (PKIX_PL_Object **)&cert,
+                                                        plContext));
+
+            asciiResult = PKIX_Cert2ASCII(cert);
+
+            printf("CERT[%d]:\n%s\n", i, asciiResult);
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Free(asciiResult, plContext));
+            asciiResult = NULL;
+
+            PKIX_TEST_DECREF_BC(cert);
+        }
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Equals((PKIX_PL_Object *)certs,
+                                                        (PKIX_PL_Object *)expectedCerts,
+                                                        &result,
+                                                        plContext));
+
+        if (!result) {
+            testError("BUILT CERTCHAIN IS "
+                      "NOT THE ONE THAT WAS EXPECTED");
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)certs,
+                                                              &actualCertsString,
+                                                              plContext));
+
+            actualCertsAscii = PKIX_String2ASCII(actualCertsString, plContext);
+            if (actualCertsAscii == NULL) {
+                pkixTestErrorMsg = "PKIX_String2ASCII Failed";
+                goto cleanup;
+            }
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)expectedCerts,
+                                                              &expectedCertsString,
+                                                              plContext));
+
+            expectedCertsAscii = PKIX_String2ASCII(expectedCertsString, plContext);
+            if (expectedCertsAscii == NULL) {
+                pkixTestErrorMsg = "PKIX_String2ASCII Failed";
+                goto cleanup;
+            }
+
+            (void)printf("Actual value:\t%s\n", actualCertsAscii);
+            (void)printf("Expected value:\t%s\n",
+                         expectedCertsAscii);
+
+            if (chainLength - 1 != numUserCheckerCalled) {
+                pkixTestErrorMsg =
+                    "PKIX user defined checker not called";
+            }
+
+            goto cleanup;
+        }
+    }
+
+cleanup:
+    PKIX_PL_Free(asciiResult, plContext);
+    PKIX_PL_Free(actualCertsAscii, plContext);
+    PKIX_PL_Free(expectedCertsAscii, plContext);
+
+    PKIX_TEST_DECREF_AC(actualCertsString);
+    PKIX_TEST_DECREF_AC(expectedCertsString);
+    PKIX_TEST_DECREF_AC(expectedCerts);
+    PKIX_TEST_DECREF_AC(certs);
+    PKIX_TEST_DECREF_AC(cert);
+    PKIX_TEST_DECREF_AC(certStore);
+    PKIX_TEST_DECREF_AC(certStores);
+    PKIX_TEST_DECREF_AC(dirNameString);
+    PKIX_TEST_DECREF_AC(trustedCert);
+    PKIX_TEST_DECREF_AC(targetCert);
+    PKIX_TEST_DECREF_AC(anchor);
+    PKIX_TEST_DECREF_AC(anchors);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(certSelParams);
+    PKIX_TEST_DECREF_AC(certSelector);
+    PKIX_TEST_DECREF_AC(buildResult);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(userOIDs);
+    PKIX_TEST_DECREF_AC(checker);
+
+    PKIX_TEST_RETURN();
+
+    PKIX_Shutdown(plContext);
+
+    endTests("BuildChain_UserChecker");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_customcrlchecker.c b/security/nss/cmd/libpkix/pkix/top/test_customcrlchecker.c
new file mode 100644
index 000000000..d2c667ae7
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_customcrlchecker.c
@@ -0,0 +1,435 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_customcrlchecker.c
+ *
+ * Test Custom CRL Checking
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+#define PKIX_TEST_MAX_CERTS 10
+#define PKIX_TEST_COLLECTIONCERTSTORE_NUM_CRLS 5
+
+static void *plContext = NULL;
+char *dirName = NULL; /* also used in callback */
+
+static void
+printUsage1(char *pName)
+{
+    printf("\nUSAGE: %s test-purpose [ENE|EE] ", pName);
+    printf("cert [certs].\n");
+}
+
+static void
+printUsageMax(PKIX_UInt32 numCerts)
+{
+    printf("\nUSAGE ERROR: number of certs %d exceed maximum %d\n",
+           numCerts, PKIX_TEST_MAX_CERTS);
+}
+
+static PKIX_Error *
+getCRLCallback(
+    PKIX_CertStore *store,
+    PKIX_CRLSelector *crlSelector,
+    void **pNBIOContext,
+    PKIX_List **pCrlList,
+    void *plContext)
+{
+    char *crlFileNames[] = { "chem.crl",
+                             "phys.crl",
+                             "prof.crl",
+                             "sci.crl",
+                             "test.crl",
+                             0 };
+    PKIX_PL_CRL *crl = NULL;
+    PKIX_List *crlList = NULL;
+    PKIX_UInt32 i = 0;
+
+    PKIX_TEST_STD_VARS();
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&crlList, plContext));
+
+    while (crlFileNames[i]) {
+
+        crl = createCRL(dirName, crlFileNames[i++], plContext);
+
+        if (crl != NULL) {
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(crlList, (PKIX_PL_Object *)crl, plContext));
+
+            PKIX_TEST_DECREF_BC(crl);
+        }
+    }
+
+    *pCrlList = crlList;
+
+cleanup:
+
+    PKIX_TEST_RETURN();
+
+    return (0); /* this function is called by libpkix */
+}
+
+static PKIX_Error *
+getCRLContinue(
+    PKIX_CertStore *store,
+    PKIX_CRLSelector *crlSelector,
+    void **pNBIOContext,
+    PKIX_List **pCrlList,
+    void *plContext)
+{
+    return (NULL);
+}
+
+static PKIX_Error *
+getCertCallback(
+    PKIX_CertStore *store,
+    PKIX_CertSelector *certSelector,
+    void **pNBIOContext,
+    PKIX_List **pCerts,
+    void *plContext)
+{
+    return (NULL);
+}
+
+static PKIX_Error *
+getCertContinue(
+    PKIX_CertStore *store,
+    PKIX_CertSelector *certSelector,
+    void **pNBIOContext,
+    PKIX_List **pCerts,
+    void *plContext)
+{
+    return (NULL);
+}
+
+static PKIX_Error *
+testCRLSelectorMatchCallback(
+    PKIX_CRLSelector *selector,
+    PKIX_PL_CRL *crl,
+    void *plContext)
+{
+    PKIX_ComCRLSelParams *comCrlSelParams = NULL;
+    PKIX_List *issuerList = NULL;
+    PKIX_PL_X500Name *issuer = NULL;
+    PKIX_PL_X500Name *crlIssuer = NULL;
+    PKIX_UInt32 numIssuers = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_Boolean result = PKIX_FALSE;
+    PKIX_Error *error = NULL;
+    char *errorText = "Not an error, CRL Select mismatch";
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("Custom_Selector_MatchCallback");
+
+    if (selector != NULL) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_CRLSelector_GetCommonCRLSelectorParams(selector, &comCrlSelParams, plContext));
+    }
+
+    if (crl != NULL) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_CRL_GetIssuer(crl, &crlIssuer, plContext));
+    }
+
+    if (comCrlSelParams != NULL) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCRLSelParams_GetIssuerNames(comCrlSelParams, &issuerList, plContext));
+    }
+
+    if (issuerList != NULL) {
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(issuerList, &numIssuers, plContext));
+
+        for (i = 0; i < numIssuers; i++) {
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetItem(issuerList,
+                                                        i, (PKIX_PL_Object **)&issuer,
+                                                        plContext));
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Equals((PKIX_PL_Object *)crlIssuer,
+                                                            (PKIX_PL_Object *)issuer,
+                                                            &result,
+                                                            plContext));
+
+            if (result != PKIX_TRUE) {
+                break;
+            }
+
+            if (i == numIssuers - 1) {
+
+                PKIX_TEST_EXPECT_NO_ERROR(PKIX_Error_Create(0,
+                                                            NULL,
+                                                            NULL,
+                                                            PKIX_TESTNOTANERRORCRLSELECTMISMATCH,
+                                                            &error,
+                                                            plContext));
+
+                PKIX_TEST_DECREF_AC(issuer);
+                issuer = NULL;
+                break;
+            }
+
+            PKIX_TEST_DECREF_AC(issuer);
+        }
+    }
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(comCrlSelParams);
+    PKIX_TEST_DECREF_AC(crlIssuer);
+    PKIX_TEST_DECREF_AC(issuer);
+    PKIX_TEST_DECREF_AC(issuerList);
+
+    PKIX_TEST_RETURN();
+
+    return (error);
+}
+
+static PKIX_Error *
+testAddIssuerName(PKIX_ComCRLSelParams *comCrlSelParams, char *issuerName)
+{
+    PKIX_PL_String *issuerString = NULL;
+    PKIX_PL_X500Name *issuer = NULL;
+    PKIX_UInt32 length = 0;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("PKIX_ComCRLSelParams_AddIssuerName");
+
+    length = PL_strlen(issuerName);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_UTF8,
+                                                    issuerName,
+                                                    length,
+                                                    &issuerString,
+                                                    plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_X500Name_Create(issuerString,
+                                                      &issuer,
+                                                      plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCRLSelParams_AddIssuerName(comCrlSelParams, issuer, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(issuerString);
+    PKIX_TEST_DECREF_AC(issuer);
+
+    PKIX_TEST_RETURN();
+
+    return (0);
+}
+
+static PKIX_Error *
+testCustomCertStore(PKIX_ValidateParams *valParams)
+{
+    PKIX_CertStore_CRLCallback crlCallback;
+    PKIX_CertStore *certStore = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    char *issuerName1 = "cn=science,o=mit,c=us";
+    char *issuerName2 = "cn=physics,o=mit,c=us";
+    char *issuerName3 = "cn=prof noall,o=mit,c=us";
+    char *issuerName4 = "cn=testing CRL,o=test,c=us";
+    PKIX_ComCRLSelParams *comCrlSelParams = NULL;
+    PKIX_CRLSelector *crlSelector = NULL;
+    PKIX_List *crlList = NULL;
+    PKIX_UInt32 numCrl = 0;
+    void *nbioContext = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("PKIX_PL_CollectionCertStore_Create");
+
+    /* Create CRLSelector, link in CollectionCertStore */
+
+    subTest("PKIX_ComCRLSelParams_AddIssuerNames");
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCRLSelParams_Create(&comCrlSelParams, plContext));
+
+    testAddIssuerName(comCrlSelParams, issuerName1);
+    testAddIssuerName(comCrlSelParams, issuerName2);
+    testAddIssuerName(comCrlSelParams, issuerName3);
+    testAddIssuerName(comCrlSelParams, issuerName4);
+
+    subTest("PKIX_CRLSelector_SetCommonCRLSelectorParams");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CRLSelector_Create(testCRLSelectorMatchCallback,
+                                                      NULL,
+                                                      &crlSelector,
+                                                      plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CRLSelector_SetCommonCRLSelectorParams(crlSelector, comCrlSelParams, plContext));
+
+    /* Create CertStore, link in CRLSelector */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateParams_GetProcessingParams(valParams, &procParams, plContext));
+
+    subTest("PKIX_CertStore_Create");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertStore_Create(getCertCallback,
+                                                    getCRLCallback,
+                                                    getCertContinue,
+                                                    getCRLContinue,
+                                                    NULL,                          /* trustCallback */
+                                                    (PKIX_PL_Object *)crlSelector, /* fake */
+                                                    PKIX_FALSE,                    /* cacheFlag */
+                                                    PKIX_TRUE,                     /* localFlag */
+                                                    &certStore,
+                                                    plContext));
+
+    subTest("PKIX_ProcessingParams_AddCertStore");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_AddCertStore(procParams, certStore, plContext));
+
+    subTest("PKIX_ProcessingParams_SetRevocationEnabled");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_TRUE, plContext));
+
+    subTest("PKIX_CertStore_GetCRLCallback");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertStore_GetCRLCallback(certStore,
+                                                            &crlCallback,
+                                                            NULL));
+
+    subTest("Getting CRL by CRL Callback");
+    PKIX_TEST_EXPECT_NO_ERROR(crlCallback(certStore,
+                                          crlSelector,
+                                          &nbioContext,
+                                          &crlList,
+                                          plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_GetLength(crlList,
+                                                  &numCrl,
+                                                  plContext));
+
+    if (numCrl != PKIX_TEST_COLLECTIONCERTSTORE_NUM_CRLS) {
+        pkixTestErrorMsg = "unexpected CRL number mismatch";
+    }
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(crlList);
+    PKIX_TEST_DECREF_AC(comCrlSelParams);
+    PKIX_TEST_DECREF_AC(crlSelector);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(certStore);
+
+    PKIX_TEST_RETURN();
+
+    return (0);
+}
+
+/*
+ * Validate Certificate Chain with Certificate Revocation List
+ *      Certificate Chain is built based on input certs' sequence.
+ *      CRL is fetched from the directory specified in CollectionCertStore.
+ *      while CollectionCertStore is linked in CertStore Object which then
+ *      linked in ProcessParam. During validation, CRLChecker will invoke
+ *      the crlCallback (this test uses PKIX_PL_CollectionCertStore_GetCRL)
+ *      to get CRL data for revocation check.
+ *      This test set criteria in CRLSelector which is linked in
+ *      CommonCRLSelectorParam. When CRL data is fetched into cache for
+ *      revocation check, CRL's are filtered based on the criteria set.
+ */
+
+int
+test_customcrlchecker(int argc, char *argv[])
+{
+
+    PKIX_List *chain = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_UInt32 actualMinorVersion;
+    char *certNames[PKIX_TEST_MAX_CERTS];
+    PKIX_PL_Cert *certs[PKIX_TEST_MAX_CERTS];
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+    PKIX_UInt32 chainLength = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_UInt32 j = 0;
+    PKIX_Boolean testValid = PKIX_TRUE;
+    char *anchorName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 5) {
+        printUsage1(argv[0]);
+        return (0);
+    }
+
+    startTests("CRL Checker");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage1(argv[0]);
+        return (0);
+    }
+
+    chainLength = (argc - j) - 5;
+    if (chainLength > PKIX_TEST_MAX_CERTS) {
+        printUsageMax(chainLength);
+    }
+
+    for (i = 0; i < chainLength; i++) {
+
+        certNames[i] = argv[(5 + j) + i];
+        certs[i] = NULL;
+    }
+
+    dirName = argv[3 + j];
+
+    subTest(argv[1 + j]);
+
+    subTest("Custom-CRL-Checker - Create Cert Chain");
+
+    chain = createCertChainPlus(dirName, certNames, certs, chainLength, plContext);
+
+    subTest("Custom-CRL-Checker - Create Params");
+
+    anchorName = argv[4 + j];
+
+    valParams = createValidateParams(dirName,
+                                     anchorName,
+                                     NULL,
+                                     NULL,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    subTest("Custom-CRL-Checker - Set Processing Params for CertStore");
+
+    testCustomCertStore(valParams);
+
+    subTest("Custom-CRL-Checker - Validate Chain");
+
+    if (testValid == PKIX_TRUE) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    } else {
+        PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    }
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+    PKIX_TEST_DECREF_AC(chain);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_Shutdown(plContext);
+
+    PKIX_TEST_RETURN();
+
+    endTests("CRL Checker");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_defaultcrlchecker2stores.c b/security/nss/cmd/libpkix/pkix/top/test_defaultcrlchecker2stores.c
new file mode 100644
index 000000000..3ce451317
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_defaultcrlchecker2stores.c
@@ -0,0 +1,230 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_defaultcrlchecker2stores.c
+ *
+ * Test Default CRL with multiple CertStore Checking
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+#define PKIX_TEST_MAX_CERTS 10
+
+static void *plContext = NULL;
+
+static void
+printUsage1(char *pName)
+{
+    printf("\nUSAGE: %s test-purpose [ENE|EE] ", pName);
+    printf("crl-directory cert [certs].\n");
+}
+
+static void
+printUsageMax(PKIX_UInt32 numCerts)
+{
+    printf("\nUSAGE ERROR: number of certs %d exceed maximum %d\n",
+           numCerts, PKIX_TEST_MAX_CERTS);
+}
+
+static PKIX_Error *
+getCertCallback(
+    PKIX_CertStore *store,
+    PKIX_CertSelector *certSelector,
+    PKIX_List **pCerts,
+    void *plContext)
+{
+    return (NULL);
+}
+
+static PKIX_Error *
+testDefaultMultipleCertStores(PKIX_ValidateParams *valParams,
+                              char *crlDir1,
+                              char *crlDir2)
+{
+    PKIX_PL_String *dirString1 = NULL;
+    PKIX_PL_String *dirString2 = NULL;
+    PKIX_CertStore *certStore1 = NULL;
+    PKIX_CertStore *certStore2 = NULL;
+    PKIX_List *certStoreList = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("PKIX_PL_CollectionCertStore_Create");
+
+    /* Create CollectionCertStore */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_ESCASCII,
+                                                    crlDir1,
+                                                    0,
+                                                    &dirString1,
+                                                    plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_CollectionCertStore_Create(dirString1,
+                                                                 &certStore1,
+                                                                 plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_ESCASCII,
+                                                    crlDir2,
+                                                    0,
+                                                    &dirString2,
+                                                    plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_CollectionCertStore_Create(dirString2,
+                                                                 &certStore2,
+                                                                 plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateParams_GetProcessingParams(valParams, &procParams, plContext));
+
+    /* Add multiple CollectionCertStores */
+
+    subTest("PKIX_ProcessingParams_SetCertStores");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&certStoreList, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(certStoreList, (PKIX_PL_Object *)certStore1, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetCertStores(procParams, certStoreList, plContext));
+
+    subTest("PKIX_ProcessingParams_AddCertStore");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_AddCertStore(procParams, certStore2, plContext));
+
+    subTest("PKIX_ProcessingParams_SetRevocationEnabled");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_TRUE, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(dirString1);
+    PKIX_TEST_DECREF_AC(dirString2);
+    PKIX_TEST_DECREF_AC(certStore1);
+    PKIX_TEST_DECREF_AC(certStore2);
+    PKIX_TEST_DECREF_AC(certStoreList);
+    PKIX_TEST_DECREF_AC(procParams);
+
+    PKIX_TEST_RETURN();
+
+    return (0);
+}
+
+/*
+ * Validate Certificate Chain with Certificate Revocation List
+ *      Certificate Chain is build based on input certs' sequence.
+ *      CRL is fetched from the directory specified in CollectionCertStore.
+ *      while CollectionCertStore is linked in CertStore Object which then
+ *      linked in ProcessParam. During validation, CRLChecker will invoke
+ *      the crlCallback (this test uses PKIX_PL_CollectionCertStore_GetCRL)
+ *      to get CRL data for revocation check.
+ *      This test gets CRL's from two CertStores, each has a valid CRL
+ *      required for revocation check to pass.
+ */
+
+int
+test_defaultcrlchecker2stores(int argc, char *argv[])
+{
+
+    PKIX_List *chain = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_UInt32 actualMinorVersion;
+    char *certNames[PKIX_TEST_MAX_CERTS];
+    PKIX_PL_Cert *certs[PKIX_TEST_MAX_CERTS];
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+    PKIX_UInt32 chainLength = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_UInt32 j = 0;
+    PKIX_Boolean testValid = PKIX_TRUE;
+    char *dirName = NULL;
+    char *anchorName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 6) {
+        printUsage1(argv[0]);
+        return (0);
+    }
+
+    startTests("CRL Checker");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage1(argv[0]);
+        return (0);
+    }
+
+    chainLength = (argc - j) - 7;
+    if (chainLength > PKIX_TEST_MAX_CERTS) {
+        printUsageMax(chainLength);
+    }
+
+    for (i = 0; i < chainLength; i++) {
+
+        certNames[i] = argv[(7 + j) + i];
+        certs[i] = NULL;
+    }
+
+    subTest(argv[1 + j]);
+
+    subTest("Default-CRL-Checker");
+
+    subTest("Default-CRL-Checker - Create Cert Chain");
+
+    dirName = argv[3 + j];
+
+    chain = createCertChainPlus(dirName, certNames, certs, chainLength, plContext);
+
+    subTest("Default-CRL-Checker - Create Params");
+
+    anchorName = argv[6 + j];
+
+    valParams = createValidateParams(dirName,
+                                     anchorName,
+                                     NULL,
+                                     NULL,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    subTest("Multiple-CertStores");
+
+    testDefaultMultipleCertStores(valParams, argv[4 + j], argv[5 + j]);
+
+    subTest("Default-CRL-Checker - Validate Chain");
+
+    if (testValid == PKIX_TRUE) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    } else {
+        PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    }
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)verifyTree, &verifyString, plContext));
+    (void)printf("verifyTree is\n%s\n", verifyString->escAsciiString);
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+    PKIX_TEST_DECREF_AC(chain);
+
+    PKIX_Shutdown(plContext);
+
+    PKIX_TEST_RETURN();
+
+    endTests("CRL Checker");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_ocsp.c b/security/nss/cmd/libpkix/pkix/top/test_ocsp.c
new file mode 100644
index 000000000..e97e57096
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_ocsp.c
@@ -0,0 +1,288 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_ocspchecker.c
+ *
+ * Test OcspChecker function
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+static void *plContext = NULL;
+
+static void
+printUsage(void)
+{
+    (void)printf("\nUSAGE:\nOcspChecker -d <certStoreDirectory> TestName "
+                 "[ENE|EE] <certLocationDirectory> <trustedCert> "
+                 "<targetCert>\n\n");
+    (void)printf("Validates a chain of certificates between "
+                 "<trustedCert> and <targetCert>\n"
+                 "using the certs and CRLs in <certLocationDirectory> and "
+                 "pkcs11 db from <certStoreDirectory>. "
+                 "If ENE is specified,\n"
+                 "then an Error is Not Expected. "
+                 "If EE is specified, an Error is Expected.\n");
+}
+
+static char *
+createFullPathName(
+    char *dirName,
+    char *certFile,
+    void *plContext)
+{
+    PKIX_UInt32 certFileLen;
+    PKIX_UInt32 dirNameLen;
+    char *certPathName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    certFileLen = PL_strlen(certFile);
+    dirNameLen = PL_strlen(dirName);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Malloc(dirNameLen +
+                                                 certFileLen +
+                                                 2,
+                                             (void **)&certPathName,
+                                             plContext));
+
+    PL_strcpy(certPathName, dirName);
+    PL_strcat(certPathName, "/");
+    PL_strcat(certPathName, certFile);
+    printf("certPathName = %s\n", certPathName);
+
+cleanup:
+
+    PKIX_TEST_RETURN();
+
+    return (certPathName);
+}
+
+static PKIX_Error *
+testDefaultCertStore(PKIX_ValidateParams *valParams, char *crlDir)
+{
+    PKIX_PL_String *dirString = NULL;
+    PKIX_CertStore *certStore = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_PL_Date *validity = NULL;
+    PKIX_List *revCheckers = NULL;
+    PKIX_RevocationChecker *revChecker = NULL;
+    PKIX_PL_Object *revCheckerContext = NULL;
+    PKIX_OcspChecker *ocspChecker = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("PKIX_PL_CollectionCertStoreContext_Create");
+
+    /* Create CollectionCertStore */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_ESCASCII, crlDir, 0, &dirString, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_CollectionCertStore_Create(dirString, &certStore, plContext));
+
+    /* Create CertStore */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateParams_GetProcessingParams(valParams, &procParams, plContext));
+
+    subTest("PKIX_ProcessingParams_AddCertStore");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_AddCertStore(procParams, certStore, plContext));
+
+    subTest("PKIX_ProcessingParams_SetRevocationEnabled");
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_FALSE, plContext));
+
+    /* create current Date */
+    PKIX_TEST_EXPECT_NO_ERROR(pkix_pl_Date_CreateFromPRTime(PR_Now(), &validity, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&revCheckers, plContext));
+
+    /* create revChecker */
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_OcspChecker_Initialize(validity,
+                                                          NULL, /* pwArg */
+                                                          NULL, /* Use default responder */
+                                                          &revChecker,
+                                                          plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_RevocationChecker_GetRevCheckerContext(revChecker, &revCheckerContext, plContext));
+
+    /* Check that this object is a ocsp checker */
+    PKIX_TEST_EXPECT_NO_ERROR(pkix_CheckType(revCheckerContext, PKIX_OCSPCHECKER_TYPE, plContext));
+
+    ocspChecker = (PKIX_OcspChecker *)revCheckerContext;
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_OcspChecker_SetVerifyFcn(ocspChecker,
+                                                            PKIX_PL_OcspResponse_UseBuildChain,
+                                                            plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(revCheckers, (PKIX_PL_Object *)revChecker, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationCheckers(procParams, revCheckers, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(dirString);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(certStore);
+    PKIX_TEST_DECREF_AC(revCheckers);
+    PKIX_TEST_DECREF_AC(revChecker);
+    PKIX_TEST_DECREF_AC(ocspChecker);
+    PKIX_TEST_DECREF_AC(validity);
+
+    PKIX_TEST_RETURN();
+
+    return (0);
+}
+
+int
+test_ocsp(int argc, char *argv[])
+{
+
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_ComCertSelParams *certSelParams = NULL;
+    PKIX_CertSelector *certSelector = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_UInt32 actualMinorVersion;
+    PKIX_UInt32 j = 0;
+    PKIX_UInt32 k = 0;
+    PKIX_UInt32 chainLength = 0;
+    PKIX_Boolean testValid = PKIX_TRUE;
+    PKIX_List *chainCerts = NULL;
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+    PKIX_PL_Cert *dirCert = NULL;
+    PKIX_PL_Cert *trustedCert = NULL;
+    PKIX_PL_Cert *targetCert = NULL;
+    PKIX_TrustAnchor *anchor = NULL;
+    PKIX_List *anchors = NULL;
+    char *dirCertName = NULL;
+    char *anchorCertName = NULL;
+    char *dirName = NULL;
+    char *databaseDir = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 5) {
+        printUsage();
+        return (0);
+    }
+
+    startTests("OcspChecker");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage();
+        return (0);
+    }
+
+    subTest(argv[1 + j]);
+
+    dirName = argv[3 + j];
+
+    chainLength = argc - j - 5;
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&chainCerts, plContext));
+
+    for (k = 0; k < chainLength; k++) {
+
+        dirCert = createCert(dirName, argv[5 + k + j], plContext);
+
+        if (k == 0) {
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_IncRef((PKIX_PL_Object *)dirCert, plContext));
+            targetCert = dirCert;
+        }
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(chainCerts, (PKIX_PL_Object *)dirCert, plContext));
+
+        PKIX_TEST_DECREF_BC(dirCert);
+    }
+
+    /* create processing params with list of trust anchors */
+
+    anchorCertName = argv[4 + j];
+    trustedCert = createCert(dirName, anchorCertName, plContext);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_TrustAnchor_CreateWithCert(trustedCert, &anchor, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&anchors, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(anchors, (PKIX_PL_Object *)anchor, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_Create(anchors, &procParams, plContext));
+
+    /* create CertSelector with target certificate in params */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_Create(&certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_SetCertificate(certSelParams, targetCert, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_Create(NULL, NULL, &certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_SetCommonCertSelectorParams(certSelector, certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetTargetCertConstraints(procParams, certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateParams_Create(procParams, chainCerts, &valParams, plContext));
+
+    testDefaultCertStore(valParams, dirName);
+
+    pkixTestErrorResult = PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext);
+
+    if (pkixTestErrorResult) {
+        if (testValid == PKIX_FALSE) { /* EE */
+            (void)printf("EXPECTED ERROR RECEIVED!\n");
+        } else { /* ENE */
+            testError("UNEXPECTED ERROR RECEIVED");
+        }
+        PKIX_TEST_DECREF_BC(pkixTestErrorResult);
+    } else {
+        if (testValid == PKIX_TRUE) { /* ENE */
+            (void)printf("EXPECTED SUCCESSFUL VALIDATION!\n");
+        } else { /* EE */
+            (void)printf("UNEXPECTED SUCCESSFUL VALIDATION!\n");
+        }
+    }
+
+    subTest("Displaying VerifyTree");
+
+    if (verifyTree == NULL) {
+        (void)printf("VerifyTree is NULL\n");
+    } else {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)verifyTree, &verifyString, plContext));
+        (void)printf("verifyTree is\n%s\n",
+                     verifyString->escAsciiString);
+        PKIX_TEST_DECREF_BC(verifyString);
+        PKIX_TEST_DECREF_BC(verifyTree);
+    }
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(certSelParams);
+    PKIX_TEST_DECREF_AC(certSelector);
+    PKIX_TEST_DECREF_AC(chainCerts);
+    PKIX_TEST_DECREF_AC(anchors);
+    PKIX_TEST_DECREF_AC(anchor);
+    PKIX_TEST_DECREF_AC(trustedCert);
+    PKIX_TEST_DECREF_AC(targetCert);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_Shutdown(plContext);
+
+    PKIX_TEST_RETURN();
+
+    endTests("OcspChecker");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_policychecker.c b/security/nss/cmd/libpkix/pkix/top/test_policychecker.c
new file mode 100644
index 000000000..1318f13ba
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_policychecker.c
@@ -0,0 +1,535 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_policychecker.c
+ *
+ * Test Policy Checking
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+#define PKIX_TEST_MAX_CERTS 10
+
+static void *plContext = NULL;
+
+static void
+printUsage(char *testname)
+{
+    char *fmt =
+        "USAGE: %s testname"
+        " [ENE|EE] \"{OID[:OID]*}\" [A|E|P] cert [cert]*\n"
+        "(The quotes are needed around the OID argument for dbx.)\n"
+        "(The optional arg A indicates initialAnyPolicyInhibit.)\n"
+        "(The optional arg E indicates initialExplicitPolicy.)\n"
+        "(The optional arg P indicates initialPolicyMappingInhibit.)\n";
+    printf(fmt, testname);
+}
+
+static void
+printUsageMax(PKIX_UInt32 numCerts)
+{
+    printf("\nUSAGE ERROR: number of certs %d exceed maximum %d\n",
+           numCerts, PKIX_TEST_MAX_CERTS);
+}
+
+static PKIX_List *
+policySetParse(char *policyString)
+{
+    char *p = NULL;
+    char *oid = NULL;
+    char c = '\0';
+    PKIX_Boolean validString = PKIX_FALSE;
+    PKIX_PL_OID *plOID = NULL;
+    PKIX_List *policySet = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    p = policyString;
+
+    /*
+         * There may or may not be quotes around the initial-policy-set
+         * string. If they are omitted, dbx will strip off the curly braces.
+         * If they are included, dbx will strip off the quotes, but if you
+         * are running directly from a script, without dbx, the quotes will
+         * not be stripped. We need to be able to handle both cases.
+         */
+    if (*p == '"') {
+        p++;
+    }
+
+    if ('{' != *p++) {
+        return (NULL);
+    }
+    oid = p;
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&policySet, plContext));
+
+    /* scan to the end of policyString */
+    while (!validString) {
+        /* scan to the end of the current OID string */
+        c = *oid;
+        while ((c != '\0') && (c != ':') && (c != '}')) {
+            c = *++oid;
+        }
+
+        if ((c != ':') || (c != '}')) {
+            *oid = '\0'; /* store a null terminator */
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_OID_Create(p, &plOID, plContext));
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(policySet,
+                                                           (PKIX_PL_Object *)plOID,
+                                                           plContext));
+
+            PKIX_TEST_DECREF_BC(plOID);
+            plOID = NULL;
+            if (c == '}') {
+                /*
+                                * Any exit but this one means
+                                * we were given a badly-formed string.
+                                */
+                validString = PKIX_TRUE;
+            }
+            p = ++oid;
+        }
+    }
+
+cleanup:
+    if (!validString) {
+        PKIX_TEST_DECREF_AC(plOID);
+        PKIX_TEST_DECREF_AC(policySet);
+        policySet = NULL;
+    }
+
+    PKIX_TEST_RETURN();
+
+    return (policySet);
+}
+
+/*
+ * FUNCTION: treeToStringHelper
+ *  This function obtains the string representation of a PolicyNode
+ *  Tree and compares it to the expected value.
+ * PARAMETERS:
+ *  "parent" - a PolicyNode, the root of a PolicyNodeTree;
+ *      must be non-NULL.
+ *  "expected" - the desired string.
+ * THREAD SAFETY:
+ *  Thread Safe
+ *
+ *  Multiple threads can safely call this function without worrying
+ *  about conflicts, even if they're operating on the same object.
+ * RETURNS:
+ *  Nothing.
+ */
+static void
+treeToStringHelper(PKIX_PolicyNode *parent, char *expected)
+{
+    PKIX_PL_String *stringRep = NULL;
+    char *actual = NULL;
+    PKIX_TEST_STD_VARS();
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)parent, &stringRep, plContext));
+
+    actual = PKIX_String2ASCII(stringRep, plContext);
+    if (actual == NULL) {
+        pkixTestErrorMsg = "PKIX_String2ASCII Failed";
+        goto cleanup;
+    }
+
+    if (PL_strcmp(actual, expected) != 0) {
+        testError("unexpected mismatch");
+        (void)printf("Actual value:\t%s\n", actual);
+        (void)printf("Expected value:\t%s\n", expected);
+    }
+
+cleanup:
+
+    PKIX_PL_Free(actual, plContext);
+
+    PKIX_TEST_DECREF_AC(stringRep);
+
+    PKIX_TEST_RETURN();
+}
+
+static void
+testPass(char *dirName, char *goodInput, char *diffInput, char *dateAscii)
+{
+
+    PKIX_List *chain = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("Basic-Common-Fields <pass>");
+    /*
+         * Tests the Expiration, NameChaining, and Signature Checkers
+         */
+
+    chain = createCertChain(dirName, goodInput, diffInput, plContext);
+
+    valParams = createValidateParams(dirName,
+                                     goodInput,
+                                     diffInput,
+                                     dateAscii,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, NULL, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(chain);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_TEST_RETURN();
+}
+
+static void
+testNistTest1(char *dirName)
+{
+#define PKIX_TEST_NUM_CERTS 2
+    char *trustAnchor =
+        "TrustAnchorRootCertificate.crt";
+    char *intermediateCert =
+        "GoodCACert.crt";
+    char *endEntityCert =
+        "ValidCertificatePathTest1EE.crt";
+    char *certNames[PKIX_TEST_NUM_CERTS];
+    char *asciiAnyPolicy = "2.5.29.32.0";
+    PKIX_PL_Cert *certs[PKIX_TEST_NUM_CERTS] = { NULL, NULL };
+
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_List *chain = NULL;
+    PKIX_PL_OID *anyPolicyOID = NULL;
+    PKIX_List *initialPolicies = NULL;
+    char *anchorName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("testNistTest1: Creating the cert chain");
+    /*
+         * Create a chain, but don't include the first certName.
+         * That's the anchor, and is supplied separately from
+         * the chain.
+         */
+    certNames[0] = intermediateCert;
+    certNames[1] = endEntityCert;
+    chain = createCertChainPlus(dirName, certNames, certs, PKIX_TEST_NUM_CERTS, plContext);
+
+    subTest("testNistTest1: Creating the Validate Parameters");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_OID_Create(asciiAnyPolicy, &anyPolicyOID, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&initialPolicies, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(initialPolicies, (PKIX_PL_Object *)anyPolicyOID, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_SetImmutable(initialPolicies, plContext));
+
+    valParams = createValidateParams(dirName,
+                                     trustAnchor,
+                                     NULL,
+                                     NULL,
+                                     initialPolicies,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    subTest("testNistTest1: Validating the chain");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, NULL, plContext));
+
+cleanup:
+
+    PKIX_PL_Free(anchorName, plContext);
+
+    PKIX_TEST_DECREF_AC(anyPolicyOID);
+    PKIX_TEST_DECREF_AC(initialPolicies);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+    PKIX_TEST_DECREF_AC(chain);
+
+    PKIX_TEST_RETURN();
+}
+
+static void
+testNistTest2(char *dirName)
+{
+#define PKIX_TEST_NUM_CERTS 2
+    char *trustAnchor =
+        "TrustAnchorRootCertificate.crt";
+    char *intermediateCert =
+        "GoodCACert.crt";
+    char *endEntityCert =
+        "ValidCertificatePathTest1EE.crt";
+    char *certNames[PKIX_TEST_NUM_CERTS];
+    char *asciiNist1Policy = "2.16.840.1.101.3.2.1.48.1";
+    PKIX_PL_Cert *certs[PKIX_TEST_NUM_CERTS] = { NULL, NULL };
+
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_List *chain = NULL;
+    PKIX_PL_OID *Nist1PolicyOID = NULL;
+    PKIX_List *initialPolicies = NULL;
+    char *anchorName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("testNistTest2: Creating the cert chain");
+    /*
+         * Create a chain, but don't include the first certName.
+         * That's the anchor, and is supplied separately from
+         * the chain.
+         */
+    certNames[0] = intermediateCert;
+    certNames[1] = endEntityCert;
+    chain = createCertChainPlus(dirName, certNames, certs, PKIX_TEST_NUM_CERTS, plContext);
+
+    subTest("testNistTest2: Creating the Validate Parameters");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_OID_Create(asciiNist1Policy, &Nist1PolicyOID, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&initialPolicies, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(initialPolicies, (PKIX_PL_Object *)Nist1PolicyOID, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_SetImmutable(initialPolicies, plContext));
+
+    valParams = createValidateParams(dirName,
+                                     trustAnchor,
+                                     NULL,
+                                     NULL,
+                                     initialPolicies,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    subTest("testNistTest2: Validating the chain");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, NULL, plContext));
+
+cleanup:
+
+    PKIX_PL_Free(anchorName, plContext);
+
+    PKIX_TEST_DECREF_AC(Nist1PolicyOID);
+    PKIX_TEST_DECREF_AC(initialPolicies);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+    PKIX_TEST_DECREF_AC(chain);
+
+    PKIX_TEST_RETURN();
+}
+
+static void
+printValidPolicyTree(PKIX_ValidateResult *valResult)
+{
+    PKIX_PolicyNode *validPolicyTree = NULL;
+    PKIX_PL_String *treeString = NULL;
+
+    PKIX_TEST_STD_VARS();
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateResult_GetPolicyTree(valResult, &validPolicyTree, plContext));
+    if (validPolicyTree) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)validPolicyTree,
+                                                          &treeString,
+                                                          plContext));
+        (void)printf("validPolicyTree is\n\t%s\n",
+                     treeString->escAsciiString);
+    } else {
+        (void)printf("validPolicyTree is NULL\n");
+    }
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(validPolicyTree);
+    PKIX_TEST_DECREF_AC(treeString);
+
+    PKIX_TEST_RETURN();
+}
+
+int
+test_policychecker(int argc, char *argv[])
+{
+
+    PKIX_Boolean initialPolicyMappingInhibit = PKIX_FALSE;
+    PKIX_Boolean initialAnyPolicyInhibit = PKIX_FALSE;
+    PKIX_Boolean initialExplicitPolicy = PKIX_FALSE;
+    PKIX_Boolean expectedResult = PKIX_FALSE;
+    PKIX_UInt32 chainLength = 0;
+    PKIX_UInt32 initArgs = 0;
+    PKIX_UInt32 firstCert = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_Int32 j = 0;
+    PKIX_UInt32 actualMinorVersion;
+    PKIX_ProcessingParams *procParams = NULL;
+    char *firstTrustAnchor = "yassir2yassir";
+    char *secondTrustAnchor = "yassir2bcn";
+    char *dateAscii = "991201000000Z";
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_List *userInitialPolicySet = NULL; /* List of PKIX_PL_OID */
+    char *certNames[PKIX_TEST_MAX_CERTS];
+    PKIX_PL_Cert *certs[PKIX_TEST_MAX_CERTS];
+    PKIX_List *chain = NULL;
+    PKIX_Error *validationError = NULL;
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+    char *dirName = NULL;
+    char *dataCentralDir = NULL;
+    char *anchorName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /*
+         * Perform hard-coded tests if no command line args.
+         * If command line args are provided, they must be:
+         * arg[1]: test name
+         * arg[2]: "ENE" or "EE", for "expect no error" or "expect error"
+         * arg[3]: directory for certificates
+         * arg[4]: user-initial-policy-set, consisting of braces
+         *      containing zero or more OID sequences, separated by commas
+         * arg[5]: (optional) "E", indicating initialExplicitPolicy
+         * arg[firstCert]: the path and filename of the trust anchor certificate
+         * arg[firstCert+1..(n-1)]: successive certificates in the chain
+         * arg[n]: the end entity certificate
+         *
+         * Example: test_policychecker test1EE ENE
+         *      {2.5.29.32.0,2.5.29.32.3.6} Anchor CA EndEntity
+         */
+
+    dirName = argv[3 + j];
+    dataCentralDir = argv[4 + j];
+
+    if (argc <= 5 || ((6 == argc) && (j))) {
+
+        testPass(dataCentralDir,
+                 firstTrustAnchor,
+                 secondTrustAnchor,
+                 dateAscii);
+
+        testNistTest1(dirName);
+
+        testNistTest2(dirName);
+
+        goto cleanup;
+    }
+
+    if (argc < (7 + j)) {
+        printUsage(argv[0]);
+        pkixTestErrorMsg = "Invalid command line arguments.";
+        goto cleanup;
+    }
+
+    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
+        expectedResult = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
+        expectedResult = PKIX_FALSE;
+    } else {
+        printUsage(argv[0]);
+        pkixTestErrorMsg = "Invalid command line arguments.";
+        goto cleanup;
+    }
+
+    userInitialPolicySet = policySetParse(argv[5 + j]);
+    if (!userInitialPolicySet) {
+        printUsage(argv[0]);
+        pkixTestErrorMsg = "Invalid command line arguments.";
+        goto cleanup;
+    }
+
+    for (initArgs = 0; initArgs < 3; initArgs++) {
+        if (PORT_Strcmp(argv[6 + j + initArgs], "A") == 0) {
+            initialAnyPolicyInhibit = PKIX_TRUE;
+        } else if (PORT_Strcmp(argv[6 + j + initArgs], "E") == 0) {
+            initialExplicitPolicy = PKIX_TRUE;
+        } else if (PORT_Strcmp(argv[6 + j + initArgs], "P") == 0) {
+            initialPolicyMappingInhibit = PKIX_TRUE;
+        } else {
+            break;
+        }
+    }
+
+    firstCert = initArgs + j + 6;
+    chainLength = argc - (firstCert + 1);
+    if (chainLength > PKIX_TEST_MAX_CERTS) {
+        printUsageMax(chainLength);
+        pkixTestErrorMsg = "Invalid command line arguments.";
+        goto cleanup;
+    }
+
+    /*
+         * Create a chain, but don't include the first certName.
+         * That's the anchor, and is supplied separately from
+         * the chain.
+         */
+    for (i = 0; i < chainLength; i++) {
+
+        certNames[i] = argv[i + (firstCert + 1)];
+        certs[i] = NULL;
+    }
+    chain = createCertChainPlus(dirName, certNames, certs, chainLength, plContext);
+
+    subTest(argv[1 + j]);
+
+    valParams = createValidateParams(dirName,
+                                     argv[firstCert],
+                                     NULL,
+                                     NULL,
+                                     userInitialPolicySet,
+                                     initialPolicyMappingInhibit,
+                                     initialAnyPolicyInhibit,
+                                     initialExplicitPolicy,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    if (expectedResult == PKIX_TRUE) {
+        subTest("   (expecting successful validation)");
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+
+        printValidPolicyTree(valResult);
+
+    } else {
+        subTest("   (expecting validation to fail)");
+        validationError = PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext);
+        if (!validationError) {
+            printValidPolicyTree(valResult);
+            pkixTestErrorMsg = "Should have thrown an error here.";
+        }
+        PKIX_TEST_DECREF_BC(validationError);
+    }
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)verifyTree, &verifyString, plContext));
+    (void)printf("verifyTree is\n%s\n", verifyString->escAsciiString);
+
+cleanup:
+
+    PKIX_PL_Free(anchorName, plContext);
+
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+    PKIX_TEST_DECREF_AC(userInitialPolicySet);
+    PKIX_TEST_DECREF_AC(chain);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+    PKIX_TEST_DECREF_AC(validationError);
+
+    PKIX_Shutdown(plContext);
+
+    PKIX_TEST_RETURN();
+
+    endTests("PolicyChecker");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_subjaltnamechecker.c b/security/nss/cmd/libpkix/pkix/top/test_subjaltnamechecker.c
new file mode 100644
index 000000000..3f9711e69
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_subjaltnamechecker.c
@@ -0,0 +1,261 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_subjaltnamechecker.c
+ *
+ * Test Subject Alternative Name Checking
+ *
+ */
+
+/*
+ * There is no subjaltnamechecker. Instead, targetcertchecker is doing
+ * the job for checking subject alternative names' validity. For testing,
+ * in order to enter names with various type, we create this test excutable
+ * to parse different scenario.
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+#define PKIX_TEST_MAX_CERTS 10
+
+static void *plContext = NULL;
+
+static void
+printUsage1(char *pName)
+{
+    printf("\nUSAGE: %s test-name [ENE|EE] ", pName);
+    printf("cert [certs].\n");
+}
+
+static void
+printUsage2(char *name)
+{
+    printf("\ninvalid test-name syntax - %s", name);
+    printf("\ntest-name syntax: [01][DNORU]:<name>+...");
+    printf("\n             [01] 1 - match all; 0 - match one");
+    printf("\n    name - type can be specified as");
+    printf("\n          [DNORU] D-Directory name");
+    printf("\n                  N-DNS name");
+    printf("\n                  O-OID name");
+    printf("\n                  R-RFC822 name");
+    printf("\n                  U-URI name");
+    printf("\n                + separator for more names\n\n");
+}
+
+static void
+printUsageMax(PKIX_UInt32 numCerts)
+{
+    printf("\nUSAGE ERROR: number of certs %d exceed maximum %d\n",
+           numCerts, PKIX_TEST_MAX_CERTS);
+}
+
+static PKIX_UInt32
+getNameType(char *name)
+{
+    PKIX_UInt32 nameType;
+
+    PKIX_TEST_STD_VARS();
+
+    switch (*name) {
+        case 'D':
+            nameType = PKIX_DIRECTORY_NAME;
+            break;
+        case 'N':
+            nameType = PKIX_DNS_NAME;
+            break;
+        case 'O':
+            nameType = PKIX_OID_NAME;
+            break;
+        case 'R':
+            nameType = PKIX_RFC822_NAME;
+            break;
+        case 'U':
+            nameType = PKIX_URI_NAME;
+            break;
+        default:
+            printUsage2(name);
+            nameType = 0xFFFF;
+    }
+
+    goto cleanup;
+
+cleanup:
+    PKIX_TEST_RETURN();
+    return (nameType);
+}
+
+int
+test_subjaltnamechecker(int argc, char *argv[])
+{
+
+    PKIX_List *chain = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_CertSelector *selector = NULL;
+    PKIX_ComCertSelParams *selParams = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_PL_GeneralName *name = NULL;
+    PKIX_UInt32 actualMinorVersion;
+    char *certNames[PKIX_TEST_MAX_CERTS];
+    PKIX_PL_Cert *certs[PKIX_TEST_MAX_CERTS];
+    PKIX_UInt32 chainLength = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_UInt32 j = 0;
+    char *nameStr;
+    char *nameEnd;
+    char *names[PKIX_TEST_MAX_CERTS];
+    PKIX_UInt32 numNames = 0;
+    PKIX_UInt32 nameType;
+    PKIX_Boolean matchAll = PKIX_TRUE;
+    PKIX_Boolean testValid = PKIX_TRUE;
+    char *dirName = NULL;
+    char *anchorName = NULL;
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 5) {
+        printUsage1(argv[0]);
+        return (0);
+    }
+
+    startTests("SubjAltNameConstraintChecker");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    j++; /* skip test-purpose string */
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage1(argv[0]);
+        return (0);
+    }
+
+    /* taking out leading and trailing ", if any */
+    nameStr = argv[1 + j];
+    subTest(nameStr);
+    if (*nameStr == '"') {
+        nameStr++;
+        nameEnd = nameStr;
+        while (*nameEnd != '"' && *nameEnd != '\0') {
+            nameEnd++;
+        }
+        *nameEnd = '\0';
+    }
+
+    /* extract first [0|1] inidcating matchAll or not */
+    matchAll = (*nameStr == '0') ? PKIX_FALSE : PKIX_TRUE;
+    nameStr++;
+
+    numNames = 0;
+    while (*nameStr != '\0') {
+        names[numNames++] = nameStr;
+        while (*nameStr != '+' && *nameStr != '\0') {
+            nameStr++;
+        }
+        if (*nameStr == '+') {
+            *nameStr = '\0';
+            nameStr++;
+        }
+    }
+
+    chainLength = (argc - j) - 4;
+    if (chainLength > PKIX_TEST_MAX_CERTS) {
+        printUsageMax(chainLength);
+    }
+
+    for (i = 0; i < chainLength; i++) {
+        certNames[i] = argv[(4 + j) + i];
+        certs[i] = NULL;
+    }
+
+    /* SubjAltName for validation */
+
+    subTest("Add Subject Alt Name for NameConstraint checking");
+
+    subTest("Create Selector and ComCertSelParams");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_Create(NULL, NULL, &selector, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_Create(&selParams, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_SetCommonCertSelectorParams(selector, selParams, plContext));
+
+    subTest("PKIX_ComCertSelParams_SetMatchAllSubjAltNames");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_SetMatchAllSubjAltNames(selParams, matchAll, plContext));
+
+    subTest("PKIX_ComCertSelParams_AddSubjAltName(s)");
+    for (i = 0; i < numNames; i++) {
+        nameType = getNameType(names[i]);
+        if (nameType == 0xFFFF) {
+            return (0);
+        }
+        nameStr = names[i] + 2;
+        name = createGeneralName(nameType, nameStr, plContext);
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_AddSubjAltName(selParams, name, plContext));
+        PKIX_TEST_DECREF_BC(name);
+    }
+
+    subTest("SubjAltName-Constraints - Create Cert Chain");
+
+    dirName = argv[3 + j];
+
+    chain = createCertChainPlus(dirName, certNames, certs, chainLength, plContext);
+
+    subTest("SubjAltName-Constraints - Create Params");
+
+    valParams = createValidateParams(dirName,
+                                     argv[4 +
+                                          j],
+                                     NULL,
+                                     NULL,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chain,
+                                     plContext);
+
+    subTest("PKIX_ValidateParams_getProcessingParams");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateParams_GetProcessingParams(valParams, &procParams, plContext));
+
+    subTest("PKIX_ProcessingParams_SetTargetCertConstraints");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetTargetCertConstraints(procParams, selector, plContext));
+
+    subTest("Subject Alt Name - Validate Chain");
+
+    if (testValid == PKIX_TRUE) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    } else {
+        PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    }
+
+cleanup:
+
+    PKIX_PL_Free(anchorName, plContext);
+
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+    PKIX_TEST_DECREF_AC(chain);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+    PKIX_TEST_DECREF_AC(selector);
+    PKIX_TEST_DECREF_AC(selParams);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(name);
+
+    PKIX_Shutdown(plContext);
+
+    PKIX_TEST_RETURN();
+
+    endTests("SubjAltNameConstraintsChecker");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_validatechain.c b/security/nss/cmd/libpkix/pkix/top/test_validatechain.c
new file mode 100644
index 000000000..98cb7b018
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_validatechain.c
@@ -0,0 +1,221 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_validatechain.c
+ *
+ * Test ValidateChain function
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+static void *plContext = NULL;
+
+static void
+printUsage(void)
+{
+    (void)printf("\nUSAGE:\nvalidateChain TestName [ENE|EE] "
+                 "<certStoreDirectory> <trustedCert> <targetCert>\n\n");
+    (void)printf("Validates a chain of certificates between "
+                 "<trustedCert> and <targetCert>\n"
+                 "using the certs and CRLs in <certStoreDirectory>. "
+                 "If ENE is specified,\n"
+                 "then an Error is Not Expected. "
+                 "If EE is specified, an Error is Expected.\n");
+}
+
+static char *
+createFullPathName(
+    char *dirName,
+    char *certFile,
+    void *plContext)
+{
+    PKIX_UInt32 certFileLen;
+    PKIX_UInt32 dirNameLen;
+    char *certPathName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    certFileLen = PL_strlen(certFile);
+    dirNameLen = PL_strlen(dirName);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Malloc(dirNameLen +
+                                                 certFileLen +
+                                                 2,
+                                             (void **)&certPathName,
+                                             plContext));
+
+    PL_strcpy(certPathName, dirName);
+    PL_strcat(certPathName, "/");
+    PL_strcat(certPathName, certFile);
+    printf("certPathName = %s\n", certPathName);
+
+cleanup:
+
+    PKIX_TEST_RETURN();
+
+    return (certPathName);
+}
+
+static PKIX_Error *
+testDefaultCertStore(PKIX_ValidateParams *valParams, char *crlDir)
+{
+    PKIX_PL_String *dirString = NULL;
+    PKIX_CertStore *certStore = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_PL_Date *validity = NULL;
+    PKIX_List *revCheckers = NULL;
+    PKIX_RevocationChecker *ocspChecker = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("PKIX_PL_CollectionCertStoreContext_Create");
+
+    /* Create CollectionCertStore */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_String_Create(PKIX_ESCASCII, crlDir, 0, &dirString, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_CollectionCertStore_Create(dirString, &certStore, plContext));
+
+    /* Create CertStore */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateParams_GetProcessingParams(valParams, &procParams, plContext));
+
+    subTest("PKIX_ProcessingParams_AddCertStore");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_AddCertStore(procParams, certStore, plContext));
+
+    subTest("PKIX_ProcessingParams_SetRevocationEnabled");
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_TRUE, plContext));
+
+    /* create current Date */
+    PKIX_TEST_EXPECT_NO_ERROR(pkix_pl_Date_CreateFromPRTime(PR_Now(), &validity, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&revCheckers, plContext));
+
+    /* create revChecker */
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_OcspChecker_Initialize(validity,
+                                                          NULL, /* pwArg */
+                                                          NULL, /* Use default responder */
+                                                          &ocspChecker,
+                                                          plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(revCheckers, (PKIX_PL_Object *)ocspChecker, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationCheckers(procParams, revCheckers, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(dirString);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(certStore);
+    PKIX_TEST_DECREF_AC(revCheckers);
+    PKIX_TEST_DECREF_AC(ocspChecker);
+
+    PKIX_TEST_RETURN();
+
+    return (0);
+}
+
+int
+test_validatechain(int argc, char *argv[])
+{
+
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_UInt32 actualMinorVersion;
+    PKIX_UInt32 j = 0;
+    PKIX_UInt32 k = 0;
+    PKIX_UInt32 chainLength = 0;
+    PKIX_Boolean testValid = PKIX_TRUE;
+    PKIX_List *chainCerts = NULL;
+    PKIX_PL_Cert *dirCert = NULL;
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+    char *dirCertName = NULL;
+    char *anchorCertName = NULL;
+    char *dirName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 5) {
+        printUsage();
+        return (0);
+    }
+
+    startTests("ValidateChain");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage();
+        return (0);
+    }
+
+    subTest(argv[1 + j]);
+
+    dirName = argv[3 + j];
+
+    chainLength = argc - j - 5;
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&chainCerts, plContext));
+
+    for (k = 0; k < chainLength; k++) {
+
+        dirCert = createCert(dirName, argv[5 + k + j], plContext);
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(chainCerts, (PKIX_PL_Object *)dirCert, plContext));
+
+        PKIX_TEST_DECREF_BC(dirCert);
+    }
+
+    valParams = createValidateParams(dirName,
+                                     argv[4 +
+                                          j],
+                                     NULL,
+                                     NULL,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chainCerts,
+                                     plContext);
+
+    testDefaultCertStore(valParams, dirName);
+
+    if (testValid == PKIX_TRUE) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    } else {
+        PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+    }
+
+    subTest("Displaying VerifyNode objects");
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)verifyTree, &verifyString, plContext));
+    (void)printf("verifyTree is\n%s\n", verifyString->escAsciiString);
+
+cleanup:
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+
+    PKIX_TEST_DECREF_AC(chainCerts);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_Shutdown(plContext);
+
+    PKIX_TEST_RETURN();
+
+    endTests("ValidateChain");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_validatechain_NB.c b/security/nss/cmd/libpkix/pkix/top/test_validatechain_NB.c
new file mode 100644
index 000000000..ad73a5df7
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_validatechain_NB.c
@@ -0,0 +1,351 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * test_validatechain_NB.c
+ *
+ * Test ValidateChain (nonblocking I/O) function
+ *
+ */
+
+#include "testutil.h"
+#include "testutil_nss.h"
+
+static void *plContext = NULL;
+
+static void
+printUsage(void)
+{
+    (void)printf("\nUSAGE:\ntest_validateChain_NB TestName [ENE|EE] "
+                 "<certStoreDirectory> <trustedCert> <targetCert>\n\n");
+    (void)printf("Validates a chain of certificates between "
+                 "<trustedCert> and <targetCert>\n"
+                 "using the certs and CRLs in <certStoreDirectory>. "
+                 "If ENE is specified,\n"
+                 "then an Error is Not Expected. "
+                 "If EE is specified, an Error is Expected.\n");
+}
+
+static char *
+createFullPathName(
+    char *dirName,
+    char *certFile,
+    void *plContext)
+{
+    PKIX_UInt32 certFileLen;
+    PKIX_UInt32 dirNameLen;
+    char *certPathName = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    certFileLen = PL_strlen(certFile);
+    dirNameLen = PL_strlen(dirName);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Malloc(dirNameLen +
+                                                 certFileLen +
+                                                 2,
+                                             (void **)&certPathName,
+                                             plContext));
+
+    PL_strcpy(certPathName, dirName);
+    PL_strcat(certPathName, "/");
+    PL_strcat(certPathName, certFile);
+    printf("certPathName = %s\n", certPathName);
+
+cleanup:
+
+    PKIX_TEST_RETURN();
+
+    return (certPathName);
+}
+
+static PKIX_Error *
+testSetupCertStore(PKIX_ValidateParams *valParams, char *ldapName)
+{
+    PKIX_PL_String *dirString = NULL;
+    PKIX_CertStore *certStore = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_PL_LdapDefaultClient *ldapClient = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    subTest("PKIX_PL_CollectionCertStoreContext_Create");
+
+    /* Create LDAPCertStore */
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_LdapDefaultClient_CreateByName(ldapName,
+                                                                     0,    /* timeout */
+                                                                     NULL, /* bindPtr */
+                                                                     &ldapClient,
+                                                                     plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_LdapCertStore_Create((PKIX_PL_LdapClient *)ldapClient,
+                                                           &certStore,
+                                                           plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateParams_GetProcessingParams(valParams, &procParams, plContext));
+
+    subTest("PKIX_ProcessingParams_AddCertStore");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_AddCertStore(procParams, certStore, plContext));
+
+    subTest("PKIX_ProcessingParams_SetRevocationEnabled");
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_TRUE, plContext));
+
+cleanup:
+
+    PKIX_TEST_DECREF_AC(dirString);
+    PKIX_TEST_DECREF_AC(procParams);
+    PKIX_TEST_DECREF_AC(certStore);
+    PKIX_TEST_DECREF_AC(ldapClient);
+
+    PKIX_TEST_RETURN();
+
+    return (0);
+}
+
+static char *levels[] = {
+    "None", "Fatal Error", "Error", "Warning", "Debug", "Trace"
+};
+
+static PKIX_Error *
+loggerCallback(
+    PKIX_Logger *logger,
+    PKIX_PL_String *message,
+    PKIX_UInt32 logLevel,
+    PKIX_ERRORCLASS logComponent,
+    void *plContext)
+{
+#define resultSize 150
+    char *msg = NULL;
+    char result[resultSize];
+
+    PKIX_TEST_STD_VARS();
+
+    msg = PKIX_String2ASCII(message, plContext);
+    PR_snprintf(result, resultSize,
+                "Logging %s (%s): %s",
+                levels[logLevel],
+                PKIX_ERRORCLASSNAMES[logComponent],
+                msg);
+    subTest(result);
+
+cleanup:
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Free(msg, plContext));
+    PKIX_TEST_RETURN();
+}
+
+static void
+testLogErrors(
+    PKIX_ERRORCLASS module,
+    PKIX_UInt32 loggingLevel,
+    PKIX_List *loggers,
+    void *plContext)
+{
+    PKIX_Logger *logger = NULL;
+    PKIX_PL_String *component = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_Logger_Create(loggerCallback, NULL, &logger, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_Logger_SetLoggingComponent(logger, module, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_Logger_SetMaxLoggingLevel(logger, loggingLevel, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(loggers, (PKIX_PL_Object *)logger, plContext));
+
+cleanup:
+    PKIX_TEST_DECREF_AC(logger);
+    PKIX_TEST_DECREF_AC(component);
+
+    PKIX_TEST_RETURN();
+}
+
+int
+test_validatechain_NB(int argc, char *argv[])
+{
+
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_UInt32 actualMinorVersion;
+    PKIX_UInt32 j = 0;
+    PKIX_UInt32 k = 0;
+    PKIX_UInt32 chainLength = 0;
+    PKIX_Boolean testValid = PKIX_TRUE;
+    PKIX_List *chainCerts = NULL;
+    PKIX_PL_Cert *dirCert = NULL;
+    char *dirCertName = NULL;
+    char *anchorCertName = NULL;
+    char *dirName = NULL;
+    PKIX_UInt32 certIndex = 0;
+    PKIX_UInt32 anchorIndex = 0;
+    PKIX_UInt32 checkerIndex = 0;
+    PKIX_Boolean revChecking = PKIX_FALSE;
+    PKIX_List *checkers = NULL;
+    PRPollDesc *pollDesc = NULL;
+    PRErrorCode errorCode = 0;
+    PKIX_PL_Socket *socket = NULL;
+    char *ldapName = NULL;
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+
+    PKIX_List *loggers = NULL;
+    PKIX_Logger *logger = NULL;
+    char *logging = NULL;
+    PKIX_PL_String *component = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 5) {
+        printUsage();
+        return (0);
+    }
+
+    startTests("ValidateChain_NB");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    /* ENE = expect no error; EE = expect error */
+    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
+        testValid = PKIX_TRUE;
+    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
+        testValid = PKIX_FALSE;
+    } else {
+        printUsage();
+        return (0);
+    }
+
+    subTest(argv[1 + j]);
+
+    dirName = argv[3 + j];
+
+    chainLength = argc - j - 5;
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&chainCerts, plContext));
+
+    for (k = 0; k < chainLength; k++) {
+
+        dirCert = createCert(dirName, argv[5 + k + j], plContext);
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(chainCerts, (PKIX_PL_Object *)dirCert, plContext));
+
+        PKIX_TEST_DECREF_BC(dirCert);
+    }
+
+    valParams = createValidateParams(dirName,
+                                     argv[4 +
+                                          j],
+                                     NULL,
+                                     NULL,
+                                     NULL,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     PKIX_FALSE,
+                                     chainCerts,
+                                     plContext);
+
+    ldapName = PR_GetEnvSecure("LDAP");
+    /* Is LDAP set in the environment? */
+    if ((ldapName == NULL) || (*ldapName == '\0')) {
+        testError("LDAP not set in environment");
+        goto cleanup;
+    }
+
+    pkixTestErrorResult = pkix_pl_Socket_CreateByName(PKIX_FALSE,               /* isServer */
+                                                      PR_SecondsToInterval(30), /* try 30 secs for connect */
+                                                      ldapName,
+                                                      &errorCode,
+                                                      &socket,
+                                                      plContext);
+
+    if (pkixTestErrorResult != NULL) {
+        PKIX_PL_Object_DecRef((PKIX_PL_Object *)pkixTestErrorResult, plContext);
+        pkixTestErrorResult = NULL;
+        testError("Unable to connect to LDAP Server");
+        goto cleanup;
+    }
+
+    PKIX_TEST_DECREF_BC(socket);
+
+    testSetupCertStore(valParams, ldapName);
+
+    logging = PR_GetEnvSecure("LOGGING");
+    /* Is LOGGING set in the environment? */
+    if ((logging != NULL) && (*logging != '\0')) {
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&loggers, plContext));
+
+        testLogErrors(PKIX_VALIDATE_ERROR, 2, loggers, plContext);
+        testLogErrors(PKIX_CERTCHAINCHECKER_ERROR, 2, loggers, plContext);
+        testLogErrors(PKIX_LDAPDEFAULTCLIENT_ERROR, 2, loggers, plContext);
+        testLogErrors(PKIX_CERTSTORE_ERROR, 2, loggers, plContext);
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_SetLoggers(loggers, plContext));
+    }
+
+    pkixTestErrorResult = PKIX_ValidateChain_NB(valParams,
+                                                &certIndex,
+                                                &anchorIndex,
+                                                &checkerIndex,
+                                                &revChecking,
+                                                &checkers,
+                                                (void **)&pollDesc,
+                                                &valResult,
+                                                &verifyTree,
+                                                plContext);
+
+    while (pollDesc != NULL) {
+
+        if (PR_Poll(pollDesc, 1, 0) < 0) {
+            testError("PR_Poll failed");
+        }
+
+        pkixTestErrorResult = PKIX_ValidateChain_NB(valParams,
+                                                    &certIndex,
+                                                    &anchorIndex,
+                                                    &checkerIndex,
+                                                    &revChecking,
+                                                    &checkers,
+                                                    (void **)&pollDesc,
+                                                    &valResult,
+                                                    &verifyTree,
+                                                    plContext);
+    }
+
+    if (pkixTestErrorResult) {
+        if (testValid == PKIX_FALSE) { /* EE */
+            (void)printf("EXPECTED ERROR RECEIVED!\n");
+        } else { /* ENE */
+            testError("UNEXPECTED ERROR RECEIVED");
+        }
+        PKIX_TEST_DECREF_BC(pkixTestErrorResult);
+    } else {
+
+        if (testValid == PKIX_TRUE) { /* ENE */
+            (void)printf("EXPECTED NON-ERROR RECEIVED!\n");
+        } else { /* EE */
+            (void)printf("UNEXPECTED NON-ERROR RECEIVED!\n");
+        }
+    }
+
+cleanup:
+
+    if (verifyTree) {
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)verifyTree, &verifyString, plContext));
+        (void)printf("verifyTree is\n%s\n",
+                     verifyString->escAsciiString);
+    }
+
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+    PKIX_TEST_DECREF_AC(checkers);
+    PKIX_TEST_DECREF_AC(chainCerts);
+    PKIX_TEST_DECREF_AC(valParams);
+    PKIX_TEST_DECREF_AC(valResult);
+
+    PKIX_Shutdown(plContext);
+
+    PKIX_TEST_RETURN();
+
+    endTests("ValidateChain_NB");
+
+    return (0);
+}
diff --git a/security/nss/cmd/libpkix/pkix/top/test_validatechain_bc.c b/security/nss/cmd/libpkix/pkix/top/test_validatechain_bc.c
new file mode 100644
index 000000000..480ec2643
--- /dev/null
+++ b/security/nss/cmd/libpkix/pkix/top/test_validatechain_bc.c
@@ -0,0 +1,233 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * validateChainBasicConstraints.c
+ *
+ * Tests Cert Chain Validation
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stddef.h>
+
+#include "pkix_pl_generalname.h"
+#include "pkix_pl_cert.h"
+#include "pkix.h"
+#include "testutil.h"
+#include "prlong.h"
+#include "plstr.h"
+#include "prthread.h"
+#include "nspr.h"
+#include "prtypes.h"
+#include "prtime.h"
+#include "pk11func.h"
+#include "secasn1.h"
+#include "cert.h"
+#include "cryptohi.h"
+#include "secoid.h"
+#include "certdb.h"
+#include "secitem.h"
+#include "keythi.h"
+#include "nss.h"
+
+static void *plContext = NULL;
+
+static void
+printUsage(void)
+{
+    printf("\nUSAGE: incorrect.\n");
+}
+
+static PKIX_PL_Cert *
+createCert(char *inFileName)
+{
+    PKIX_PL_ByteArray *byteArray = NULL;
+    void *buf = NULL;
+    PRFileDesc *inFile = NULL;
+    PKIX_UInt32 len;
+    SECItem certDER;
+    SECStatus rv;
+    /* default: NULL cert (failure case) */
+    PKIX_PL_Cert *cert = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    certDER.data = NULL;
+
+    inFile = PR_Open(inFileName, PR_RDONLY, 0);
+
+    if (!inFile) {
+        pkixTestErrorMsg = "Unable to open cert file";
+        goto cleanup;
+    } else {
+        rv = SECU_ReadDERFromFile(&certDER, inFile, PR_FALSE, PR_FALSE);
+        if (!rv) {
+            buf = (void *)certDER.data;
+            len = certDER.len;
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_ByteArray_Create(buf, len, &byteArray, plContext));
+
+            PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Cert_Create(byteArray, &cert, plContext));
+
+            SECITEM_FreeItem(&certDER, PR_FALSE);
+        } else {
+            pkixTestErrorMsg = "Unable to read DER from cert file";
+            goto cleanup;
+        }
+    }
+
+cleanup:
+
+    if (inFile) {
+        PR_Close(inFile);
+    }
+
+    if (PKIX_TEST_ERROR_RECEIVED) {
+        SECITEM_FreeItem(&certDER, PR_FALSE);
+    }
+
+    PKIX_TEST_DECREF_AC(byteArray);
+
+    PKIX_TEST_RETURN();
+
+    return (cert);
+}
+
+int
+test_validatechain_bc(int argc, char *argv[])
+{
+
+    PKIX_TrustAnchor *anchor = NULL;
+    PKIX_List *anchors = NULL;
+    PKIX_List *certs = NULL;
+    PKIX_ProcessingParams *procParams = NULL;
+    PKIX_ValidateParams *valParams = NULL;
+    PKIX_ValidateResult *valResult = NULL;
+    PKIX_PL_X500Name *subject = NULL;
+    PKIX_ComCertSelParams *certSelParams = NULL;
+    PKIX_CertSelector *certSelector = NULL;
+
+    char *trustedCertFile = NULL;
+    char *chainCertFile = NULL;
+    PKIX_PL_Cert *trustedCert = NULL;
+    PKIX_PL_Cert *chainCert = NULL;
+    PKIX_UInt32 chainLength = 0;
+    PKIX_UInt32 i = 0;
+    PKIX_UInt32 j = 0;
+    PKIX_UInt32 actualMinorVersion;
+    PKIX_VerifyNode *verifyTree = NULL;
+    PKIX_PL_String *verifyString = NULL;
+
+    PKIX_TEST_STD_VARS();
+
+    if (argc < 3) {
+        printUsage();
+        return (0);
+    }
+
+    startTests("ValidateChainBasicConstraints");
+
+    PKIX_TEST_EXPECT_NO_ERROR(
+        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
+
+    chainLength = (argc - j) - 2;
+
+    /* create processing params with list of trust anchors */
+    trustedCertFile = argv[1 + j];
+    trustedCert = createCert(trustedCertFile);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Cert_GetSubject(trustedCert, &subject, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_Create(&certSelParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_SetBasicConstraints(certSelParams, -1, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_Create(NULL, NULL, &certSelector, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_CertSelector_SetCommonCertSelectorParams(certSelector, certSelParams, plContext));
+
+    PKIX_TEST_DECREF_BC(subject);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_TrustAnchor_CreateWithCert(trustedCert, &anchor, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&anchors, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(anchors, (PKIX_PL_Object *)anchor, plContext));
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_Create(anchors, &procParams, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetRevocationEnabled(procParams, PKIX_FALSE, plContext));
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ProcessingParams_SetTargetCertConstraints(procParams, certSelector, plContext));
+
+    PKIX_TEST_DECREF_BC(certSelector);
+
+    /* create cert chain */
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_Create(&certs, plContext));
+    for (i = 0; i < chainLength; i++) {
+        chainCertFile = argv[i + (2 + j)];
+        chainCert = createCert(chainCertFile);
+
+        PKIX_TEST_EXPECT_NO_ERROR(PKIX_List_AppendItem(certs, (PKIX_PL_Object *)chainCert, plContext));
+
+        PKIX_TEST_DECREF_BC(chainCert);
+    }
+
+    /* create validate params with processing params and cert chain */
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateParams_Create(procParams, certs, &valParams, plContext));
+
+    /* validate cert chain using processing params and return valResult */
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+
+    if (valResult != NULL) {
+        printf("SUCCESSFULLY VALIDATED with Basic Constraint ");
+        printf("Cert Selector minimum path length to be -1\n");
+        PKIX_TEST_DECREF_BC(valResult);
+    }
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)verifyTree, &verifyString, plContext));
+    (void)printf("verifyTree is\n%s\n", verifyString->escAsciiString);
+    PKIX_TEST_DECREF_BC(verifyString);
+    PKIX_TEST_DECREF_BC(verifyTree);
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_ComCertSelParams_SetBasicConstraints(certSelParams, 6, plContext));
+
+    /* validate cert chain using processing params and return valResult */
+
+    PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
+
+    if (valResult != NULL) {
+        printf("SUCCESSFULLY VALIDATED with Basic Constraint ");
+        printf("Cert Selector minimum path length to be 6\n");
+    }
+
+    PKIX_TEST_DECREF_BC(trustedCert);
+    PKIX_TEST_DECREF_BC(anchor);
+    PKIX_TEST_DECREF_BC(anchors);
+    PKIX_TEST_DECREF_BC(certs);
+    PKIX_TEST_DECREF_BC(procParams);
+
+cleanup:
+
+    if (PKIX_TEST_ERROR_RECEIVED) {
+        printf("FAILED TO VALIDATE\n");
+    }
+
+    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString((PKIX_PL_Object *)verifyTree, &verifyString, plContext));
+    (void)printf("verifyTree is\n%s\n", verifyString->escAsciiString);
+    PKIX_TEST_DECREF_AC(verifyString);
+    PKIX_TEST_DECREF_AC(verifyTree);
+
+    PKIX_TEST_DECREF_AC(certSelParams);
+    PKIX_TEST_DECREF_AC(valResult);
+    PKIX_TEST_DECREF_AC(valParams);
+
+    PKIX_TEST_RETURN();
+
+    PKIX_Shutdown(plContext);
+
+    endTests("ValidateChainBasicConstraints");
+
+    return (0);
+}