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-rw-r--r--security/nss/lib/pk11wrap/pk11mech.c1913
1 files changed, 1913 insertions, 0 deletions
diff --git a/security/nss/lib/pk11wrap/pk11mech.c b/security/nss/lib/pk11wrap/pk11mech.c
new file mode 100644
index 000000000..4db05ff39
--- /dev/null
+++ b/security/nss/lib/pk11wrap/pk11mech.c
@@ -0,0 +1,1913 @@
+/* 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/. */
+/*
+ * This file maps various PKCS #11 Mechanisms to related mechanisms, key
+ * types, and ASN.1 encodings.
+ */
+#include "seccomon.h"
+#include "secmod.h"
+#include "secmodi.h"
+#include "pkcs11t.h"
+#include "pk11func.h"
+#include "secitem.h"
+#include "secder.h"
+#include "secasn1.h"
+#include "secoid.h"
+#include "secerr.h"
+
+/*************************************************************
+ * local static and global data
+ *************************************************************/
+
+/*
+ * Tables used for Extended mechanism mapping (currently not used)
+ */
+typedef struct {
+ CK_MECHANISM_TYPE keyGen;
+ CK_KEY_TYPE keyType;
+ CK_MECHANISM_TYPE type;
+ CK_MECHANISM_TYPE padType;
+ int blockSize;
+ int iv;
+} pk11MechanismData;
+
+static pk11MechanismData pk11_default =
+ { CKM_GENERIC_SECRET_KEY_GEN, CKK_GENERIC_SECRET,
+ CKM_FAKE_RANDOM, CKM_FAKE_RANDOM, 8, 8 };
+static pk11MechanismData *pk11_MechanismTable = NULL;
+static int pk11_MechTableSize = 0;
+static int pk11_MechEntrySize = 0;
+
+/*
+ * list of mechanisms we're willing to wrap secret keys with.
+ * This list is ordered by preference.
+ */
+CK_MECHANISM_TYPE wrapMechanismList[] = {
+ CKM_DES3_ECB,
+ CKM_CAST5_ECB,
+ CKM_AES_ECB,
+ CKM_CAMELLIA_ECB,
+ CKM_SEED_ECB,
+ CKM_CAST5_ECB,
+ CKM_DES_ECB,
+ CKM_KEY_WRAP_LYNKS,
+ CKM_IDEA_ECB,
+ CKM_CAST3_ECB,
+ CKM_CAST_ECB,
+ CKM_RC5_ECB,
+ CKM_RC2_ECB,
+ CKM_CDMF_ECB,
+ CKM_SKIPJACK_WRAP,
+};
+
+int wrapMechanismCount = sizeof(wrapMechanismList) / sizeof(wrapMechanismList[0]);
+
+/*********************************************************************
+ * Mechanism Mapping functions
+ *********************************************************************/
+
+/*
+ * lookup an entry in the mechanism table. If none found, return the
+ * default structure.
+ */
+static pk11MechanismData *
+pk11_lookup(CK_MECHANISM_TYPE type)
+{
+ int i;
+ for (i = 0; i < pk11_MechEntrySize; i++) {
+ if (pk11_MechanismTable[i].type == type) {
+ return (&pk11_MechanismTable[i]);
+ }
+ }
+ return &pk11_default;
+}
+
+/*
+ * find the best key wrap mechanism for this slot.
+ */
+CK_MECHANISM_TYPE
+PK11_GetBestWrapMechanism(PK11SlotInfo *slot)
+{
+ int i;
+ for (i = 0; i < wrapMechanismCount; i++) {
+ if (PK11_DoesMechanism(slot, wrapMechanismList[i])) {
+ return wrapMechanismList[i];
+ }
+ }
+ return CKM_INVALID_MECHANISM;
+}
+
+/*
+ * NOTE: This is not thread safe. Called at init time, and when loading
+ * a new Entry. It is reasonably safe as long as it is not re-entered
+ * (readers will always see a consistant table)
+ *
+ * This routine is called to add entries to the mechanism table, once there,
+ * they can not be removed.
+ */
+void
+PK11_AddMechanismEntry(CK_MECHANISM_TYPE type, CK_KEY_TYPE key,
+ CK_MECHANISM_TYPE keyGen,
+ CK_MECHANISM_TYPE padType,
+ int ivLen, int blockSize)
+{
+ int tableSize = pk11_MechTableSize;
+ int size = pk11_MechEntrySize;
+ int entry = size++;
+ pk11MechanismData *old = pk11_MechanismTable;
+ pk11MechanismData *newt = pk11_MechanismTable;
+
+ if (size > tableSize) {
+ int oldTableSize = tableSize;
+ tableSize += 10;
+ newt = PORT_NewArray(pk11MechanismData, tableSize);
+ if (newt == NULL)
+ return;
+
+ if (old)
+ PORT_Memcpy(newt, old, oldTableSize * sizeof(*newt));
+ } else
+ old = NULL;
+
+ newt[entry].type = type;
+ newt[entry].keyType = key;
+ newt[entry].keyGen = keyGen;
+ newt[entry].padType = padType;
+ newt[entry].iv = ivLen;
+ newt[entry].blockSize = blockSize;
+
+ pk11_MechanismTable = newt;
+ pk11_MechTableSize = tableSize;
+ pk11_MechEntrySize = size;
+ if (old)
+ PORT_Free(old);
+}
+
+/*
+ * Get the mechanism needed for the given key type
+ */
+CK_MECHANISM_TYPE
+PK11_GetKeyMechanism(CK_KEY_TYPE type)
+{
+ switch (type) {
+ case CKK_SEED:
+ return CKM_SEED_CBC;
+ case CKK_CAMELLIA:
+ return CKM_CAMELLIA_CBC;
+ case CKK_NSS_CHACHA20:
+ return CKM_NSS_CHACHA20_POLY1305;
+ case CKK_AES:
+ return CKM_AES_CBC;
+ case CKK_DES:
+ return CKM_DES_CBC;
+ case CKK_DES3:
+ return CKM_DES3_KEY_GEN;
+ case CKK_DES2:
+ return CKM_DES2_KEY_GEN;
+ case CKK_CDMF:
+ return CKM_CDMF_CBC;
+ case CKK_RC2:
+ return CKM_RC2_CBC;
+ case CKK_RC4:
+ return CKM_RC4;
+ case CKK_RC5:
+ return CKM_RC5_CBC;
+ case CKK_SKIPJACK:
+ return CKM_SKIPJACK_CBC64;
+ case CKK_BATON:
+ return CKM_BATON_CBC128;
+ case CKK_JUNIPER:
+ return CKM_JUNIPER_CBC128;
+ case CKK_IDEA:
+ return CKM_IDEA_CBC;
+ case CKK_CAST:
+ return CKM_CAST_CBC;
+ case CKK_CAST3:
+ return CKM_CAST3_CBC;
+ case CKK_CAST5:
+ return CKM_CAST5_CBC;
+ case CKK_RSA:
+ return CKM_RSA_PKCS;
+ case CKK_DSA:
+ return CKM_DSA;
+ case CKK_DH:
+ return CKM_DH_PKCS_DERIVE;
+ case CKK_KEA:
+ return CKM_KEA_KEY_DERIVE;
+ case CKK_EC: /* CKK_ECDSA is deprecated */
+ return CKM_ECDSA;
+ case CKK_GENERIC_SECRET:
+ default:
+ return CKM_SHA_1_HMAC;
+ }
+}
+
+/*
+ * Get the key type needed for the given mechanism
+ */
+CK_KEY_TYPE
+PK11_GetKeyType(CK_MECHANISM_TYPE type, unsigned long len)
+{
+ switch (type) {
+ case CKM_SEED_ECB:
+ case CKM_SEED_CBC:
+ case CKM_SEED_MAC:
+ case CKM_SEED_MAC_GENERAL:
+ case CKM_SEED_CBC_PAD:
+ case CKM_SEED_KEY_GEN:
+ return CKK_SEED;
+ case CKM_CAMELLIA_ECB:
+ case CKM_CAMELLIA_CBC:
+ case CKM_CAMELLIA_MAC:
+ case CKM_CAMELLIA_MAC_GENERAL:
+ case CKM_CAMELLIA_CBC_PAD:
+ case CKM_CAMELLIA_KEY_GEN:
+ return CKK_CAMELLIA;
+ case CKM_NSS_CHACHA20_POLY1305:
+ case CKM_NSS_CHACHA20_KEY_GEN:
+ return CKK_NSS_CHACHA20;
+ case CKM_AES_ECB:
+ case CKM_AES_CBC:
+ case CKM_AES_CCM:
+ case CKM_AES_CTR:
+ case CKM_AES_CTS:
+ case CKM_AES_GCM:
+ case CKM_AES_MAC:
+ case CKM_AES_MAC_GENERAL:
+ case CKM_AES_CBC_PAD:
+ case CKM_AES_KEY_GEN:
+ case CKM_NETSCAPE_AES_KEY_WRAP:
+ case CKM_NETSCAPE_AES_KEY_WRAP_PAD:
+ return CKK_AES;
+ case CKM_DES_ECB:
+ case CKM_DES_CBC:
+ case CKM_DES_MAC:
+ case CKM_DES_MAC_GENERAL:
+ case CKM_DES_CBC_PAD:
+ case CKM_DES_KEY_GEN:
+ case CKM_KEY_WRAP_LYNKS:
+ case CKM_PBE_MD2_DES_CBC:
+ case CKM_PBE_MD5_DES_CBC:
+ return CKK_DES;
+ case CKM_DES3_ECB:
+ case CKM_DES3_CBC:
+ case CKM_DES3_MAC:
+ case CKM_DES3_MAC_GENERAL:
+ case CKM_DES3_CBC_PAD:
+ return (len == 16) ? CKK_DES2 : CKK_DES3;
+ case CKM_DES2_KEY_GEN:
+ case CKM_PBE_SHA1_DES2_EDE_CBC:
+ return CKK_DES2;
+ case CKM_PBE_SHA1_DES3_EDE_CBC:
+ case CKM_DES3_KEY_GEN:
+ return CKK_DES3;
+ case CKM_CDMF_ECB:
+ case CKM_CDMF_CBC:
+ case CKM_CDMF_MAC:
+ case CKM_CDMF_MAC_GENERAL:
+ case CKM_CDMF_CBC_PAD:
+ case CKM_CDMF_KEY_GEN:
+ return CKK_CDMF;
+ case CKM_RC2_ECB:
+ case CKM_RC2_CBC:
+ case CKM_RC2_MAC:
+ case CKM_RC2_MAC_GENERAL:
+ case CKM_RC2_CBC_PAD:
+ case CKM_RC2_KEY_GEN:
+ case CKM_PBE_SHA1_RC2_128_CBC:
+ case CKM_PBE_SHA1_RC2_40_CBC:
+ return CKK_RC2;
+ case CKM_RC4:
+ case CKM_RC4_KEY_GEN:
+ return CKK_RC4;
+ case CKM_RC5_ECB:
+ case CKM_RC5_CBC:
+ case CKM_RC5_MAC:
+ case CKM_RC5_MAC_GENERAL:
+ case CKM_RC5_CBC_PAD:
+ case CKM_RC5_KEY_GEN:
+ return CKK_RC5;
+ case CKM_SKIPJACK_CBC64:
+ case CKM_SKIPJACK_ECB64:
+ case CKM_SKIPJACK_OFB64:
+ case CKM_SKIPJACK_CFB64:
+ case CKM_SKIPJACK_CFB32:
+ case CKM_SKIPJACK_CFB16:
+ case CKM_SKIPJACK_CFB8:
+ case CKM_SKIPJACK_KEY_GEN:
+ case CKM_SKIPJACK_WRAP:
+ case CKM_SKIPJACK_PRIVATE_WRAP:
+ return CKK_SKIPJACK;
+ case CKM_BATON_ECB128:
+ case CKM_BATON_ECB96:
+ case CKM_BATON_CBC128:
+ case CKM_BATON_COUNTER:
+ case CKM_BATON_SHUFFLE:
+ case CKM_BATON_WRAP:
+ case CKM_BATON_KEY_GEN:
+ return CKK_BATON;
+ case CKM_JUNIPER_ECB128:
+ case CKM_JUNIPER_CBC128:
+ case CKM_JUNIPER_COUNTER:
+ case CKM_JUNIPER_SHUFFLE:
+ case CKM_JUNIPER_WRAP:
+ case CKM_JUNIPER_KEY_GEN:
+ return CKK_JUNIPER;
+ case CKM_IDEA_CBC:
+ case CKM_IDEA_ECB:
+ case CKM_IDEA_MAC:
+ case CKM_IDEA_MAC_GENERAL:
+ case CKM_IDEA_CBC_PAD:
+ case CKM_IDEA_KEY_GEN:
+ return CKK_IDEA;
+ case CKM_CAST_ECB:
+ case CKM_CAST_CBC:
+ case CKM_CAST_MAC:
+ case CKM_CAST_MAC_GENERAL:
+ case CKM_CAST_CBC_PAD:
+ case CKM_CAST_KEY_GEN:
+ case CKM_PBE_MD5_CAST_CBC:
+ return CKK_CAST;
+ case CKM_CAST3_ECB:
+ case CKM_CAST3_CBC:
+ case CKM_CAST3_MAC:
+ case CKM_CAST3_MAC_GENERAL:
+ case CKM_CAST3_CBC_PAD:
+ case CKM_CAST3_KEY_GEN:
+ case CKM_PBE_MD5_CAST3_CBC:
+ return CKK_CAST3;
+ case CKM_CAST5_ECB:
+ case CKM_CAST5_CBC:
+ case CKM_CAST5_MAC:
+ case CKM_CAST5_MAC_GENERAL:
+ case CKM_CAST5_CBC_PAD:
+ case CKM_CAST5_KEY_GEN:
+ case CKM_PBE_MD5_CAST5_CBC:
+ return CKK_CAST5;
+ case CKM_RSA_PKCS:
+ case CKM_RSA_9796:
+ case CKM_RSA_X_509:
+ case CKM_MD2_RSA_PKCS:
+ case CKM_MD5_RSA_PKCS:
+ case CKM_SHA1_RSA_PKCS:
+ case CKM_SHA224_RSA_PKCS:
+ case CKM_SHA256_RSA_PKCS:
+ case CKM_SHA384_RSA_PKCS:
+ case CKM_SHA512_RSA_PKCS:
+ case CKM_KEY_WRAP_SET_OAEP:
+ case CKM_RSA_PKCS_KEY_PAIR_GEN:
+ case CKM_RSA_X9_31_KEY_PAIR_GEN:
+ return CKK_RSA;
+ case CKM_DSA:
+ case CKM_DSA_SHA1:
+ case CKM_DSA_KEY_PAIR_GEN:
+ return CKK_DSA;
+ case CKM_DH_PKCS_DERIVE:
+ case CKM_DH_PKCS_KEY_PAIR_GEN:
+ return CKK_DH;
+ case CKM_KEA_KEY_DERIVE:
+ case CKM_KEA_KEY_PAIR_GEN:
+ return CKK_KEA;
+ case CKM_ECDSA:
+ case CKM_ECDSA_SHA1:
+ case CKM_EC_KEY_PAIR_GEN: /* aka CKM_ECDSA_KEY_PAIR_GEN */
+ case CKM_ECDH1_DERIVE:
+ return CKK_EC; /* CKK_ECDSA is deprecated */
+ case CKM_SSL3_PRE_MASTER_KEY_GEN:
+ case CKM_GENERIC_SECRET_KEY_GEN:
+ case CKM_SSL3_MASTER_KEY_DERIVE:
+ case CKM_SSL3_MASTER_KEY_DERIVE_DH:
+ case CKM_SSL3_KEY_AND_MAC_DERIVE:
+ case CKM_SSL3_SHA1_MAC:
+ case CKM_SSL3_MD5_MAC:
+ case CKM_TLS_MASTER_KEY_DERIVE:
+ case CKM_NSS_TLS_MASTER_KEY_DERIVE_SHA256:
+ case CKM_TLS_MASTER_KEY_DERIVE_DH:
+ case CKM_NSS_TLS_MASTER_KEY_DERIVE_DH_SHA256:
+ case CKM_TLS_KEY_AND_MAC_DERIVE:
+ case CKM_NSS_TLS_KEY_AND_MAC_DERIVE_SHA256:
+ case CKM_NSS_TLS_EXTENDED_MASTER_KEY_DERIVE:
+ case CKM_NSS_TLS_EXTENDED_MASTER_KEY_DERIVE_DH:
+ case CKM_SHA_1_HMAC:
+ case CKM_SHA_1_HMAC_GENERAL:
+ case CKM_SHA224_HMAC:
+ case CKM_SHA224_HMAC_GENERAL:
+ case CKM_SHA256_HMAC:
+ case CKM_SHA256_HMAC_GENERAL:
+ case CKM_SHA384_HMAC:
+ case CKM_SHA384_HMAC_GENERAL:
+ case CKM_SHA512_HMAC:
+ case CKM_SHA512_HMAC_GENERAL:
+ case CKM_MD2_HMAC:
+ case CKM_MD2_HMAC_GENERAL:
+ case CKM_MD5_HMAC:
+ case CKM_MD5_HMAC_GENERAL:
+ case CKM_TLS_PRF_GENERAL:
+ case CKM_NSS_TLS_PRF_GENERAL_SHA256:
+ return CKK_GENERIC_SECRET;
+ default:
+ return pk11_lookup(type)->keyType;
+ }
+}
+
+/*
+ * Get the Key Gen Mechanism needed for the given
+ * crypto mechanism
+ */
+CK_MECHANISM_TYPE
+PK11_GetKeyGen(CK_MECHANISM_TYPE type)
+{
+ return PK11_GetKeyGenWithSize(type, 0);
+}
+
+CK_MECHANISM_TYPE
+PK11_GetKeyGenWithSize(CK_MECHANISM_TYPE type, int size)
+{
+ switch (type) {
+ case CKM_SEED_ECB:
+ case CKM_SEED_CBC:
+ case CKM_SEED_MAC:
+ case CKM_SEED_MAC_GENERAL:
+ case CKM_SEED_CBC_PAD:
+ case CKM_SEED_KEY_GEN:
+ return CKM_SEED_KEY_GEN;
+ case CKM_CAMELLIA_ECB:
+ case CKM_CAMELLIA_CBC:
+ case CKM_CAMELLIA_MAC:
+ case CKM_CAMELLIA_MAC_GENERAL:
+ case CKM_CAMELLIA_CBC_PAD:
+ case CKM_CAMELLIA_KEY_GEN:
+ return CKM_CAMELLIA_KEY_GEN;
+ case CKM_NSS_CHACHA20_POLY1305:
+ return CKM_NSS_CHACHA20_KEY_GEN;
+ case CKM_AES_ECB:
+ case CKM_AES_CBC:
+ case CKM_AES_CCM:
+ case CKM_AES_CTR:
+ case CKM_AES_CTS:
+ case CKM_AES_GCM:
+ case CKM_AES_MAC:
+ case CKM_AES_MAC_GENERAL:
+ case CKM_AES_CBC_PAD:
+ case CKM_AES_KEY_GEN:
+ return CKM_AES_KEY_GEN;
+ case CKM_DES_ECB:
+ case CKM_DES_CBC:
+ case CKM_DES_MAC:
+ case CKM_DES_MAC_GENERAL:
+ case CKM_KEY_WRAP_LYNKS:
+ case CKM_DES_CBC_PAD:
+ case CKM_DES_KEY_GEN:
+ return CKM_DES_KEY_GEN;
+ case CKM_DES3_ECB:
+ case CKM_DES3_CBC:
+ case CKM_DES3_MAC:
+ case CKM_DES3_MAC_GENERAL:
+ case CKM_DES3_CBC_PAD:
+ return (size == 16) ? CKM_DES2_KEY_GEN : CKM_DES3_KEY_GEN;
+ case CKM_DES3_KEY_GEN:
+ return CKM_DES3_KEY_GEN;
+ case CKM_DES2_KEY_GEN:
+ return CKM_DES2_KEY_GEN;
+ case CKM_CDMF_ECB:
+ case CKM_CDMF_CBC:
+ case CKM_CDMF_MAC:
+ case CKM_CDMF_MAC_GENERAL:
+ case CKM_CDMF_CBC_PAD:
+ case CKM_CDMF_KEY_GEN:
+ return CKM_CDMF_KEY_GEN;
+ case CKM_RC2_ECB:
+ case CKM_RC2_CBC:
+ case CKM_RC2_MAC:
+ case CKM_RC2_MAC_GENERAL:
+ case CKM_RC2_CBC_PAD:
+ case CKM_RC2_KEY_GEN:
+ return CKM_RC2_KEY_GEN;
+ case CKM_RC4:
+ case CKM_RC4_KEY_GEN:
+ return CKM_RC4_KEY_GEN;
+ case CKM_RC5_ECB:
+ case CKM_RC5_CBC:
+ case CKM_RC5_MAC:
+ case CKM_RC5_MAC_GENERAL:
+ case CKM_RC5_CBC_PAD:
+ case CKM_RC5_KEY_GEN:
+ return CKM_RC5_KEY_GEN;
+ case CKM_SKIPJACK_CBC64:
+ case CKM_SKIPJACK_ECB64:
+ case CKM_SKIPJACK_OFB64:
+ case CKM_SKIPJACK_CFB64:
+ case CKM_SKIPJACK_CFB32:
+ case CKM_SKIPJACK_CFB16:
+ case CKM_SKIPJACK_CFB8:
+ case CKM_SKIPJACK_WRAP:
+ case CKM_SKIPJACK_KEY_GEN:
+ return CKM_SKIPJACK_KEY_GEN;
+ case CKM_BATON_ECB128:
+ case CKM_BATON_ECB96:
+ case CKM_BATON_CBC128:
+ case CKM_BATON_COUNTER:
+ case CKM_BATON_SHUFFLE:
+ case CKM_BATON_WRAP:
+ case CKM_BATON_KEY_GEN:
+ return CKM_BATON_KEY_GEN;
+ case CKM_JUNIPER_ECB128:
+ case CKM_JUNIPER_CBC128:
+ case CKM_JUNIPER_COUNTER:
+ case CKM_JUNIPER_SHUFFLE:
+ case CKM_JUNIPER_WRAP:
+ case CKM_JUNIPER_KEY_GEN:
+ return CKM_JUNIPER_KEY_GEN;
+ case CKM_IDEA_CBC:
+ case CKM_IDEA_ECB:
+ case CKM_IDEA_MAC:
+ case CKM_IDEA_MAC_GENERAL:
+ case CKM_IDEA_CBC_PAD:
+ case CKM_IDEA_KEY_GEN:
+ return CKM_IDEA_KEY_GEN;
+ case CKM_CAST_ECB:
+ case CKM_CAST_CBC:
+ case CKM_CAST_MAC:
+ case CKM_CAST_MAC_GENERAL:
+ case CKM_CAST_CBC_PAD:
+ case CKM_CAST_KEY_GEN:
+ return CKM_CAST_KEY_GEN;
+ case CKM_CAST3_ECB:
+ case CKM_CAST3_CBC:
+ case CKM_CAST3_MAC:
+ case CKM_CAST3_MAC_GENERAL:
+ case CKM_CAST3_CBC_PAD:
+ case CKM_CAST3_KEY_GEN:
+ return CKM_CAST3_KEY_GEN;
+ case CKM_CAST5_ECB:
+ case CKM_CAST5_CBC:
+ case CKM_CAST5_MAC:
+ case CKM_CAST5_MAC_GENERAL:
+ case CKM_CAST5_CBC_PAD:
+ case CKM_CAST5_KEY_GEN:
+ return CKM_CAST5_KEY_GEN;
+ case CKM_RSA_PKCS:
+ case CKM_RSA_9796:
+ case CKM_RSA_X_509:
+ case CKM_MD2_RSA_PKCS:
+ case CKM_MD5_RSA_PKCS:
+ case CKM_SHA1_RSA_PKCS:
+ case CKM_SHA224_RSA_PKCS:
+ case CKM_SHA256_RSA_PKCS:
+ case CKM_SHA384_RSA_PKCS:
+ case CKM_SHA512_RSA_PKCS:
+ case CKM_KEY_WRAP_SET_OAEP:
+ case CKM_RSA_PKCS_KEY_PAIR_GEN:
+ return CKM_RSA_PKCS_KEY_PAIR_GEN;
+ case CKM_RSA_X9_31_KEY_PAIR_GEN:
+ return CKM_RSA_X9_31_KEY_PAIR_GEN;
+ case CKM_DSA:
+ case CKM_DSA_SHA1:
+ case CKM_DSA_KEY_PAIR_GEN:
+ return CKM_DSA_KEY_PAIR_GEN;
+ case CKM_DH_PKCS_DERIVE:
+ case CKM_DH_PKCS_KEY_PAIR_GEN:
+ return CKM_DH_PKCS_KEY_PAIR_GEN;
+ case CKM_KEA_KEY_DERIVE:
+ case CKM_KEA_KEY_PAIR_GEN:
+ return CKM_KEA_KEY_PAIR_GEN;
+ case CKM_ECDSA:
+ case CKM_ECDSA_SHA1:
+ case CKM_EC_KEY_PAIR_GEN: /* aka CKM_ECDSA_KEY_PAIR_GEN */
+ case CKM_ECDH1_DERIVE:
+ return CKM_EC_KEY_PAIR_GEN;
+ case CKM_SSL3_PRE_MASTER_KEY_GEN:
+ case CKM_SSL3_MASTER_KEY_DERIVE:
+ case CKM_SSL3_KEY_AND_MAC_DERIVE:
+ case CKM_SSL3_SHA1_MAC:
+ case CKM_SSL3_MD5_MAC:
+ case CKM_TLS_MASTER_KEY_DERIVE:
+ case CKM_TLS_KEY_AND_MAC_DERIVE:
+ case CKM_NSS_TLS_KEY_AND_MAC_DERIVE_SHA256:
+ case CKM_NSS_TLS_EXTENDED_MASTER_KEY_DERIVE:
+ case CKM_NSS_TLS_EXTENDED_MASTER_KEY_DERIVE_DH:
+ return CKM_SSL3_PRE_MASTER_KEY_GEN;
+ case CKM_SHA_1_HMAC:
+ case CKM_SHA_1_HMAC_GENERAL:
+ case CKM_SHA224_HMAC:
+ case CKM_SHA224_HMAC_GENERAL:
+ case CKM_SHA256_HMAC:
+ case CKM_SHA256_HMAC_GENERAL:
+ case CKM_SHA384_HMAC:
+ case CKM_SHA384_HMAC_GENERAL:
+ case CKM_SHA512_HMAC:
+ case CKM_SHA512_HMAC_GENERAL:
+ case CKM_MD2_HMAC:
+ case CKM_MD2_HMAC_GENERAL:
+ case CKM_MD5_HMAC:
+ case CKM_MD5_HMAC_GENERAL:
+ case CKM_TLS_PRF_GENERAL:
+ case CKM_NSS_TLS_PRF_GENERAL_SHA256:
+ case CKM_GENERIC_SECRET_KEY_GEN:
+ return CKM_GENERIC_SECRET_KEY_GEN;
+ case CKM_PBE_MD2_DES_CBC:
+ case CKM_PBE_MD5_DES_CBC:
+ case CKM_PBA_SHA1_WITH_SHA1_HMAC:
+ case CKM_NETSCAPE_PBE_SHA1_HMAC_KEY_GEN:
+ case CKM_NETSCAPE_PBE_MD5_HMAC_KEY_GEN:
+ case CKM_NETSCAPE_PBE_MD2_HMAC_KEY_GEN:
+ case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
+ case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
+ case CKM_PBE_SHA1_RC2_40_CBC:
+ case CKM_PBE_SHA1_RC2_128_CBC:
+ case CKM_PBE_SHA1_RC4_40:
+ case CKM_PBE_SHA1_RC4_128:
+ case CKM_PBE_SHA1_DES3_EDE_CBC:
+ case CKM_PBE_SHA1_DES2_EDE_CBC:
+ case CKM_PKCS5_PBKD2:
+ return type;
+ default:
+ return pk11_lookup(type)->keyGen;
+ }
+}
+
+/*
+ * get the mechanism block size
+ */
+int
+PK11_GetBlockSize(CK_MECHANISM_TYPE type, SECItem *params)
+{
+ CK_RC5_PARAMS *rc5_params;
+ CK_RC5_CBC_PARAMS *rc5_cbc_params;
+ switch (type) {
+ case CKM_RC5_ECB:
+ if ((params) && (params->data)) {
+ rc5_params = (CK_RC5_PARAMS *)params->data;
+ return (rc5_params->ulWordsize) * 2;
+ }
+ return 8;
+ case CKM_RC5_CBC:
+ case CKM_RC5_CBC_PAD:
+ if ((params) && (params->data)) {
+ rc5_cbc_params = (CK_RC5_CBC_PARAMS *)params->data;
+ return (rc5_cbc_params->ulWordsize) * 2;
+ }
+ return 8;
+ case CKM_DES_ECB:
+ case CKM_DES3_ECB:
+ case CKM_RC2_ECB:
+ case CKM_IDEA_ECB:
+ case CKM_CAST_ECB:
+ case CKM_CAST3_ECB:
+ case CKM_CAST5_ECB:
+ case CKM_RC2_CBC:
+ case CKM_SKIPJACK_CBC64:
+ case CKM_SKIPJACK_ECB64:
+ case CKM_SKIPJACK_OFB64:
+ case CKM_SKIPJACK_CFB64:
+ case CKM_DES_CBC:
+ case CKM_DES3_CBC:
+ case CKM_IDEA_CBC:
+ case CKM_CAST_CBC:
+ case CKM_CAST3_CBC:
+ case CKM_CAST5_CBC:
+ case CKM_DES_CBC_PAD:
+ case CKM_DES3_CBC_PAD:
+ case CKM_RC2_CBC_PAD:
+ case CKM_IDEA_CBC_PAD:
+ case CKM_CAST_CBC_PAD:
+ case CKM_CAST3_CBC_PAD:
+ case CKM_CAST5_CBC_PAD:
+ case CKM_PBE_MD2_DES_CBC:
+ case CKM_PBE_MD5_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
+ case CKM_PBE_SHA1_RC2_40_CBC:
+ case CKM_PBE_SHA1_RC2_128_CBC:
+ case CKM_PBE_SHA1_DES3_EDE_CBC:
+ case CKM_PBE_SHA1_DES2_EDE_CBC:
+ return 8;
+ case CKM_SKIPJACK_CFB32:
+ case CKM_SKIPJACK_CFB16:
+ case CKM_SKIPJACK_CFB8:
+ return 4;
+ case CKM_SEED_ECB:
+ case CKM_SEED_CBC:
+ case CKM_SEED_CBC_PAD:
+ case CKM_CAMELLIA_ECB:
+ case CKM_CAMELLIA_CBC:
+ case CKM_CAMELLIA_CBC_PAD:
+ case CKM_AES_ECB:
+ case CKM_AES_CBC:
+ case CKM_AES_CBC_PAD:
+ case CKM_BATON_ECB128:
+ case CKM_BATON_CBC128:
+ case CKM_BATON_COUNTER:
+ case CKM_BATON_SHUFFLE:
+ case CKM_JUNIPER_ECB128:
+ case CKM_JUNIPER_CBC128:
+ case CKM_JUNIPER_COUNTER:
+ case CKM_JUNIPER_SHUFFLE:
+ return 16;
+ case CKM_BATON_ECB96:
+ return 12;
+ case CKM_RC4:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
+ case CKM_PBE_SHA1_RC4_40:
+ case CKM_PBE_SHA1_RC4_128:
+ return 0;
+ case CKM_RSA_PKCS:
+ case CKM_RSA_9796:
+ case CKM_RSA_X_509:
+ /*actually it's the modulus length of the key!*/
+ return -1; /* failure */
+ default:
+ return pk11_lookup(type)->blockSize;
+ }
+}
+
+/*
+ * get the iv length
+ */
+int
+PK11_GetIVLength(CK_MECHANISM_TYPE type)
+{
+ switch (type) {
+ case CKM_SEED_ECB:
+ case CKM_CAMELLIA_ECB:
+ case CKM_AES_ECB:
+ case CKM_DES_ECB:
+ case CKM_DES3_ECB:
+ case CKM_RC2_ECB:
+ case CKM_IDEA_ECB:
+ case CKM_SKIPJACK_WRAP:
+ case CKM_BATON_WRAP:
+ case CKM_RC5_ECB:
+ case CKM_CAST_ECB:
+ case CKM_CAST3_ECB:
+ case CKM_CAST5_ECB:
+ return 0;
+ case CKM_RC2_CBC:
+ case CKM_DES_CBC:
+ case CKM_DES3_CBC:
+ case CKM_IDEA_CBC:
+ case CKM_PBE_MD2_DES_CBC:
+ case CKM_PBE_MD5_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
+ case CKM_PBE_SHA1_RC2_40_CBC:
+ case CKM_PBE_SHA1_RC2_128_CBC:
+ case CKM_PBE_SHA1_DES3_EDE_CBC:
+ case CKM_PBE_SHA1_DES2_EDE_CBC:
+ case CKM_RC5_CBC:
+ case CKM_CAST_CBC:
+ case CKM_CAST3_CBC:
+ case CKM_CAST5_CBC:
+ case CKM_RC2_CBC_PAD:
+ case CKM_DES_CBC_PAD:
+ case CKM_DES3_CBC_PAD:
+ case CKM_IDEA_CBC_PAD:
+ case CKM_RC5_CBC_PAD:
+ case CKM_CAST_CBC_PAD:
+ case CKM_CAST3_CBC_PAD:
+ case CKM_CAST5_CBC_PAD:
+ return 8;
+ case CKM_SEED_CBC:
+ case CKM_SEED_CBC_PAD:
+ case CKM_CAMELLIA_CBC:
+ case CKM_CAMELLIA_CBC_PAD:
+ case CKM_AES_CBC:
+ case CKM_AES_CBC_PAD:
+ return 16;
+ case CKM_SKIPJACK_CBC64:
+ case CKM_SKIPJACK_ECB64:
+ case CKM_SKIPJACK_OFB64:
+ case CKM_SKIPJACK_CFB64:
+ case CKM_SKIPJACK_CFB32:
+ case CKM_SKIPJACK_CFB16:
+ case CKM_SKIPJACK_CFB8:
+ case CKM_BATON_ECB128:
+ case CKM_BATON_ECB96:
+ case CKM_BATON_CBC128:
+ case CKM_BATON_COUNTER:
+ case CKM_BATON_SHUFFLE:
+ case CKM_JUNIPER_ECB128:
+ case CKM_JUNIPER_CBC128:
+ case CKM_JUNIPER_COUNTER:
+ case CKM_JUNIPER_SHUFFLE:
+ return 24;
+ case CKM_RC4:
+ case CKM_RSA_PKCS:
+ case CKM_RSA_9796:
+ case CKM_RSA_X_509:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
+ case CKM_PBE_SHA1_RC4_40:
+ case CKM_PBE_SHA1_RC4_128:
+ return 0;
+ default:
+ return pk11_lookup(type)->iv;
+ }
+}
+
+/* These next two utilities are here to help facilitate future
+ * Dynamic Encrypt/Decrypt symetric key mechanisms, and to allow functions
+ * like SSL and S-MIME to automatically add them.
+ */
+SECItem *
+pk11_ParamFromIVWithLen(CK_MECHANISM_TYPE type, SECItem *iv, int keyLen)
+{
+ CK_RC2_CBC_PARAMS *rc2_params = NULL;
+ CK_RC2_PARAMS *rc2_ecb_params = NULL;
+ CK_RC5_PARAMS *rc5_params = NULL;
+ CK_RC5_CBC_PARAMS *rc5_cbc_params = NULL;
+ SECItem *param;
+
+ param = (SECItem *)PORT_Alloc(sizeof(SECItem));
+ if (param == NULL)
+ return NULL;
+ param->data = NULL;
+ param->len = 0;
+ param->type = 0;
+ switch (type) {
+ case CKM_SEED_ECB:
+ case CKM_CAMELLIA_ECB:
+ case CKM_AES_ECB:
+ case CKM_DES_ECB:
+ case CKM_DES3_ECB:
+ case CKM_RSA_PKCS:
+ case CKM_RSA_X_509:
+ case CKM_RSA_9796:
+ case CKM_IDEA_ECB:
+ case CKM_CDMF_ECB:
+ case CKM_CAST_ECB:
+ case CKM_CAST3_ECB:
+ case CKM_CAST5_ECB:
+ case CKM_RC4:
+ break;
+ case CKM_RC2_ECB:
+ rc2_ecb_params = (CK_RC2_PARAMS *)PORT_Alloc(sizeof(CK_RC2_PARAMS));
+ if (rc2_ecb_params == NULL)
+ break;
+ /* Maybe we should pass the key size in too to get this value? */
+ *rc2_ecb_params = keyLen ? keyLen * 8 : 128;
+ param->data = (unsigned char *)rc2_ecb_params;
+ param->len = sizeof(CK_RC2_PARAMS);
+ break;
+ case CKM_RC2_CBC:
+ case CKM_RC2_CBC_PAD:
+ rc2_params = (CK_RC2_CBC_PARAMS *)PORT_Alloc(sizeof(CK_RC2_CBC_PARAMS));
+ if (rc2_params == NULL)
+ break;
+ /* Maybe we should pass the key size in too to get this value? */
+ rc2_params->ulEffectiveBits = keyLen ? keyLen * 8 : 128;
+ if (iv && iv->data)
+ PORT_Memcpy(rc2_params->iv, iv->data, sizeof(rc2_params->iv));
+ param->data = (unsigned char *)rc2_params;
+ param->len = sizeof(CK_RC2_CBC_PARAMS);
+ break;
+ case CKM_RC5_CBC:
+ case CKM_RC5_CBC_PAD:
+ rc5_cbc_params = (CK_RC5_CBC_PARAMS *)
+ PORT_Alloc(sizeof(CK_RC5_CBC_PARAMS) + ((iv) ? iv->len : 0));
+ if (rc5_cbc_params == NULL)
+ break;
+ if (iv && iv->data && iv->len) {
+ rc5_cbc_params->pIv = ((CK_BYTE_PTR)rc5_cbc_params) + sizeof(CK_RC5_CBC_PARAMS);
+ PORT_Memcpy(rc5_cbc_params->pIv, iv->data, iv->len);
+ rc5_cbc_params->ulIvLen = iv->len;
+ rc5_cbc_params->ulWordsize = iv->len / 2;
+ } else {
+ rc5_cbc_params->ulWordsize = 4;
+ rc5_cbc_params->pIv = NULL;
+ rc5_cbc_params->ulIvLen = 0;
+ }
+ rc5_cbc_params->ulRounds = 16;
+ param->data = (unsigned char *)rc5_cbc_params;
+ param->len = sizeof(CK_RC5_CBC_PARAMS);
+ break;
+ case CKM_RC5_ECB:
+ rc5_params = (CK_RC5_PARAMS *)PORT_Alloc(sizeof(CK_RC5_PARAMS));
+ if (rc5_params == NULL)
+ break;
+ if (iv && iv->data && iv->len) {
+ rc5_params->ulWordsize = iv->len / 2;
+ } else {
+ rc5_params->ulWordsize = 4;
+ }
+ rc5_params->ulRounds = 16;
+ param->data = (unsigned char *)rc5_params;
+ param->len = sizeof(CK_RC5_PARAMS);
+ break;
+
+ case CKM_SEED_CBC:
+ case CKM_CAMELLIA_CBC:
+ case CKM_AES_CBC:
+ case CKM_DES_CBC:
+ case CKM_DES3_CBC:
+ case CKM_IDEA_CBC:
+ case CKM_CDMF_CBC:
+ case CKM_CAST_CBC:
+ case CKM_CAST3_CBC:
+ case CKM_CAST5_CBC:
+ case CKM_CAMELLIA_CBC_PAD:
+ case CKM_AES_CBC_PAD:
+ case CKM_DES_CBC_PAD:
+ case CKM_DES3_CBC_PAD:
+ case CKM_IDEA_CBC_PAD:
+ case CKM_CDMF_CBC_PAD:
+ case CKM_CAST_CBC_PAD:
+ case CKM_CAST3_CBC_PAD:
+ case CKM_CAST5_CBC_PAD:
+ case CKM_SKIPJACK_CBC64:
+ case CKM_SKIPJACK_ECB64:
+ case CKM_SKIPJACK_OFB64:
+ case CKM_SKIPJACK_CFB64:
+ case CKM_SKIPJACK_CFB32:
+ case CKM_SKIPJACK_CFB16:
+ case CKM_SKIPJACK_CFB8:
+ case CKM_BATON_ECB128:
+ case CKM_BATON_ECB96:
+ case CKM_BATON_CBC128:
+ case CKM_BATON_COUNTER:
+ case CKM_BATON_SHUFFLE:
+ case CKM_JUNIPER_ECB128:
+ case CKM_JUNIPER_CBC128:
+ case CKM_JUNIPER_COUNTER:
+ case CKM_JUNIPER_SHUFFLE:
+ if ((iv == NULL) || (iv->data == NULL))
+ break;
+ param->data = (unsigned char *)PORT_Alloc(iv->len);
+ if (param->data != NULL) {
+ PORT_Memcpy(param->data, iv->data, iv->len);
+ param->len = iv->len;
+ }
+ break;
+ /* unknown mechanism, pass IV in if it's there */
+ default:
+ if (pk11_lookup(type)->iv == 0) {
+ break;
+ }
+ if ((iv == NULL) || (iv->data == NULL)) {
+ break;
+ }
+ param->data = (unsigned char *)PORT_Alloc(iv->len);
+ if (param->data != NULL) {
+ PORT_Memcpy(param->data, iv->data, iv->len);
+ param->len = iv->len;
+ }
+ break;
+ }
+ return param;
+}
+
+/* These next two utilities are here to help facilitate future
+ * Dynamic Encrypt/Decrypt symetric key mechanisms, and to allow functions
+ * like SSL and S-MIME to automatically add them.
+ */
+SECItem *
+PK11_ParamFromIV(CK_MECHANISM_TYPE type, SECItem *iv)
+{
+ return pk11_ParamFromIVWithLen(type, iv, 0);
+}
+
+unsigned char *
+PK11_IVFromParam(CK_MECHANISM_TYPE type, SECItem *param, int *len)
+{
+ CK_RC2_CBC_PARAMS *rc2_params;
+ CK_RC5_CBC_PARAMS *rc5_cbc_params;
+
+ *len = 0;
+ switch (type) {
+ case CKM_SEED_ECB:
+ case CKM_CAMELLIA_ECB:
+ case CKM_AES_ECB:
+ case CKM_DES_ECB:
+ case CKM_DES3_ECB:
+ case CKM_RSA_PKCS:
+ case CKM_RSA_X_509:
+ case CKM_RSA_9796:
+ case CKM_IDEA_ECB:
+ case CKM_CDMF_ECB:
+ case CKM_CAST_ECB:
+ case CKM_CAST3_ECB:
+ case CKM_CAST5_ECB:
+ case CKM_RC4:
+ return NULL;
+ case CKM_RC2_ECB:
+ return NULL;
+ case CKM_RC2_CBC:
+ case CKM_RC2_CBC_PAD:
+ rc2_params = (CK_RC2_CBC_PARAMS *)param->data;
+ *len = sizeof(rc2_params->iv);
+ return &rc2_params->iv[0];
+ case CKM_RC5_CBC:
+ case CKM_RC5_CBC_PAD:
+ rc5_cbc_params = (CK_RC5_CBC_PARAMS *)param->data;
+ *len = rc5_cbc_params->ulIvLen;
+ return rc5_cbc_params->pIv;
+ case CKM_SEED_CBC:
+ case CKM_CAMELLIA_CBC:
+ case CKM_AES_CBC:
+ case CKM_DES_CBC:
+ case CKM_DES3_CBC:
+ case CKM_IDEA_CBC:
+ case CKM_CDMF_CBC:
+ case CKM_CAST_CBC:
+ case CKM_CAST3_CBC:
+ case CKM_CAST5_CBC:
+ case CKM_CAMELLIA_CBC_PAD:
+ case CKM_AES_CBC_PAD:
+ case CKM_DES_CBC_PAD:
+ case CKM_DES3_CBC_PAD:
+ case CKM_IDEA_CBC_PAD:
+ case CKM_CDMF_CBC_PAD:
+ case CKM_CAST_CBC_PAD:
+ case CKM_CAST3_CBC_PAD:
+ case CKM_CAST5_CBC_PAD:
+ case CKM_SKIPJACK_CBC64:
+ case CKM_SKIPJACK_ECB64:
+ case CKM_SKIPJACK_OFB64:
+ case CKM_SKIPJACK_CFB64:
+ case CKM_SKIPJACK_CFB32:
+ case CKM_SKIPJACK_CFB16:
+ case CKM_SKIPJACK_CFB8:
+ case CKM_BATON_ECB128:
+ case CKM_BATON_ECB96:
+ case CKM_BATON_CBC128:
+ case CKM_BATON_COUNTER:
+ case CKM_BATON_SHUFFLE:
+ case CKM_JUNIPER_ECB128:
+ case CKM_JUNIPER_CBC128:
+ case CKM_JUNIPER_COUNTER:
+ case CKM_JUNIPER_SHUFFLE:
+ break;
+ /* unknown mechanism, pass IV in if it's there */
+ default:
+ break;
+ }
+ if (param->data) {
+ *len = param->len;
+ }
+ return param->data;
+}
+
+typedef struct sec_rc5cbcParameterStr {
+ SECItem version;
+ SECItem rounds;
+ SECItem blockSizeInBits;
+ SECItem iv;
+} sec_rc5cbcParameter;
+
+static const SEC_ASN1Template sec_rc5ecb_parameter_template[] = {
+ { SEC_ASN1_SEQUENCE,
+ 0, NULL, sizeof(sec_rc5cbcParameter) },
+ { SEC_ASN1_INTEGER,
+ offsetof(sec_rc5cbcParameter, version) },
+ { SEC_ASN1_INTEGER,
+ offsetof(sec_rc5cbcParameter, rounds) },
+ { SEC_ASN1_INTEGER,
+ offsetof(sec_rc5cbcParameter, blockSizeInBits) },
+ { 0 }
+};
+
+static const SEC_ASN1Template sec_rc5cbc_parameter_template[] = {
+ { SEC_ASN1_SEQUENCE,
+ 0, NULL, sizeof(sec_rc5cbcParameter) },
+ { SEC_ASN1_INTEGER,
+ offsetof(sec_rc5cbcParameter, version) },
+ { SEC_ASN1_INTEGER,
+ offsetof(sec_rc5cbcParameter, rounds) },
+ { SEC_ASN1_INTEGER,
+ offsetof(sec_rc5cbcParameter, blockSizeInBits) },
+ { SEC_ASN1_OCTET_STRING,
+ offsetof(sec_rc5cbcParameter, iv) },
+ { 0 }
+};
+
+typedef struct sec_rc2cbcParameterStr {
+ SECItem rc2ParameterVersion;
+ SECItem iv;
+} sec_rc2cbcParameter;
+
+static const SEC_ASN1Template sec_rc2cbc_parameter_template[] = {
+ { SEC_ASN1_SEQUENCE,
+ 0, NULL, sizeof(sec_rc2cbcParameter) },
+ { SEC_ASN1_INTEGER,
+ offsetof(sec_rc2cbcParameter, rc2ParameterVersion) },
+ { SEC_ASN1_OCTET_STRING,
+ offsetof(sec_rc2cbcParameter, iv) },
+ { 0 }
+};
+
+static const SEC_ASN1Template sec_rc2ecb_parameter_template[] = {
+ { SEC_ASN1_SEQUENCE,
+ 0, NULL, sizeof(sec_rc2cbcParameter) },
+ { SEC_ASN1_INTEGER,
+ offsetof(sec_rc2cbcParameter, rc2ParameterVersion) },
+ { 0 }
+};
+
+/* S/MIME picked id values to represent differnt keysizes */
+/* I do have a formula, but it ain't pretty, and it only works because you
+ * can always match three points to a parabola:) */
+static unsigned char
+rc2_map(SECItem *version)
+{
+ long x;
+
+ x = DER_GetInteger(version);
+
+ switch (x) {
+ case 58:
+ return 128;
+ case 120:
+ return 64;
+ case 160:
+ return 40;
+ }
+ return 128;
+}
+
+static unsigned long
+rc2_unmap(unsigned long x)
+{
+ switch (x) {
+ case 128:
+ return 58;
+ case 64:
+ return 120;
+ case 40:
+ return 160;
+ }
+ return 58;
+}
+
+/* Generate a mechaism param from a type, and iv. */
+SECItem *
+PK11_ParamFromAlgid(SECAlgorithmID *algid)
+{
+ CK_RC2_CBC_PARAMS *rc2_cbc_params = NULL;
+ CK_RC2_PARAMS *rc2_ecb_params = NULL;
+ CK_RC5_CBC_PARAMS *rc5_cbc_params = NULL;
+ CK_RC5_PARAMS *rc5_ecb_params = NULL;
+ PLArenaPool *arena = NULL;
+ SECItem *mech = NULL;
+ SECOidTag algtag;
+ SECStatus rv;
+ CK_MECHANISM_TYPE type;
+ /* initialize these to prevent UMRs in the ASN1 decoder. */
+ SECItem iv = { siBuffer, NULL, 0 };
+ sec_rc2cbcParameter rc2 = { { siBuffer, NULL, 0 }, { siBuffer, NULL, 0 } };
+ sec_rc5cbcParameter rc5 = { { siBuffer, NULL, 0 }, { siBuffer, NULL, 0 }, { siBuffer, NULL, 0 }, { siBuffer, NULL, 0 } };
+
+ algtag = SECOID_GetAlgorithmTag(algid);
+ type = PK11_AlgtagToMechanism(algtag);
+
+ mech = PORT_New(SECItem);
+ if (mech == NULL) {
+ return NULL;
+ }
+ mech->type = siBuffer;
+ mech->data = NULL;
+ mech->len = 0;
+
+ arena = PORT_NewArena(1024);
+ if (!arena) {
+ goto loser;
+ }
+
+ /* handle the complicated cases */
+ switch (type) {
+ case CKM_RC2_ECB:
+ rv = SEC_ASN1DecodeItem(arena, &rc2, sec_rc2ecb_parameter_template,
+ &(algid->parameters));
+ if (rv != SECSuccess) {
+ goto loser;
+ }
+ rc2_ecb_params = PORT_New(CK_RC2_PARAMS);
+ if (rc2_ecb_params == NULL) {
+ goto loser;
+ }
+ *rc2_ecb_params = rc2_map(&rc2.rc2ParameterVersion);
+ mech->data = (unsigned char *)rc2_ecb_params;
+ mech->len = sizeof *rc2_ecb_params;
+ break;
+ case CKM_RC2_CBC:
+ case CKM_RC2_CBC_PAD:
+ rv = SEC_ASN1DecodeItem(arena, &rc2, sec_rc2cbc_parameter_template,
+ &(algid->parameters));
+ if (rv != SECSuccess) {
+ goto loser;
+ }
+ rc2_cbc_params = PORT_New(CK_RC2_CBC_PARAMS);
+ if (rc2_cbc_params == NULL) {
+ goto loser;
+ }
+ mech->data = (unsigned char *)rc2_cbc_params;
+ mech->len = sizeof *rc2_cbc_params;
+ rc2_cbc_params->ulEffectiveBits = rc2_map(&rc2.rc2ParameterVersion);
+ if (rc2.iv.len != sizeof rc2_cbc_params->iv) {
+ PORT_SetError(SEC_ERROR_INPUT_LEN);
+ goto loser;
+ }
+ PORT_Memcpy(rc2_cbc_params->iv, rc2.iv.data, rc2.iv.len);
+ break;
+ case CKM_RC5_ECB:
+ rv = SEC_ASN1DecodeItem(arena, &rc5, sec_rc5ecb_parameter_template,
+ &(algid->parameters));
+ if (rv != SECSuccess) {
+ goto loser;
+ }
+ rc5_ecb_params = PORT_New(CK_RC5_PARAMS);
+ if (rc5_ecb_params == NULL) {
+ goto loser;
+ }
+ rc5_ecb_params->ulRounds = DER_GetInteger(&rc5.rounds);
+ rc5_ecb_params->ulWordsize = DER_GetInteger(&rc5.blockSizeInBits) / 8;
+ mech->data = (unsigned char *)rc5_ecb_params;
+ mech->len = sizeof *rc5_ecb_params;
+ break;
+ case CKM_RC5_CBC:
+ case CKM_RC5_CBC_PAD:
+ rv = SEC_ASN1DecodeItem(arena, &rc5, sec_rc5cbc_parameter_template,
+ &(algid->parameters));
+ if (rv != SECSuccess) {
+ goto loser;
+ }
+ rc5_cbc_params = (CK_RC5_CBC_PARAMS *)
+ PORT_Alloc(sizeof(CK_RC5_CBC_PARAMS) + rc5.iv.len);
+ if (rc5_cbc_params == NULL) {
+ goto loser;
+ }
+ mech->data = (unsigned char *)rc5_cbc_params;
+ mech->len = sizeof *rc5_cbc_params;
+ rc5_cbc_params->ulRounds = DER_GetInteger(&rc5.rounds);
+ rc5_cbc_params->ulWordsize = DER_GetInteger(&rc5.blockSizeInBits) / 8;
+ rc5_cbc_params->pIv = ((CK_BYTE_PTR)rc5_cbc_params) + sizeof(CK_RC5_CBC_PARAMS);
+ rc5_cbc_params->ulIvLen = rc5.iv.len;
+ PORT_Memcpy(rc5_cbc_params->pIv, rc5.iv.data, rc5.iv.len);
+ break;
+ case CKM_PBE_MD2_DES_CBC:
+ case CKM_PBE_MD5_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
+ case CKM_PBE_SHA1_DES2_EDE_CBC:
+ case CKM_PBE_SHA1_DES3_EDE_CBC:
+ case CKM_PBE_SHA1_RC2_40_CBC:
+ case CKM_PBE_SHA1_RC2_128_CBC:
+ case CKM_PBE_SHA1_RC4_40:
+ case CKM_PBE_SHA1_RC4_128:
+ case CKM_PKCS5_PBKD2:
+ rv = pbe_PK11AlgidToParam(algid, mech);
+ if (rv != SECSuccess) {
+ goto loser;
+ }
+ break;
+ case CKM_RC4:
+ case CKM_SEED_ECB:
+ case CKM_CAMELLIA_ECB:
+ case CKM_AES_ECB:
+ case CKM_DES_ECB:
+ case CKM_DES3_ECB:
+ case CKM_IDEA_ECB:
+ case CKM_CDMF_ECB:
+ case CKM_CAST_ECB:
+ case CKM_CAST3_ECB:
+ case CKM_CAST5_ECB:
+ break;
+
+ default:
+ if (pk11_lookup(type)->iv == 0) {
+ break;
+ }
+ /* FALL THROUGH */
+ case CKM_SEED_CBC:
+ case CKM_CAMELLIA_CBC:
+ case CKM_AES_CBC:
+ case CKM_DES_CBC:
+ case CKM_DES3_CBC:
+ case CKM_IDEA_CBC:
+ case CKM_CDMF_CBC:
+ case CKM_CAST_CBC:
+ case CKM_CAST3_CBC:
+ case CKM_CAST5_CBC:
+ case CKM_SEED_CBC_PAD:
+ case CKM_CAMELLIA_CBC_PAD:
+ case CKM_AES_CBC_PAD:
+ case CKM_DES_CBC_PAD:
+ case CKM_DES3_CBC_PAD:
+ case CKM_IDEA_CBC_PAD:
+ case CKM_CDMF_CBC_PAD:
+ case CKM_CAST_CBC_PAD:
+ case CKM_CAST3_CBC_PAD:
+ case CKM_CAST5_CBC_PAD:
+ case CKM_SKIPJACK_CBC64:
+ case CKM_SKIPJACK_ECB64:
+ case CKM_SKIPJACK_OFB64:
+ case CKM_SKIPJACK_CFB64:
+ case CKM_SKIPJACK_CFB32:
+ case CKM_SKIPJACK_CFB16:
+ case CKM_SKIPJACK_CFB8:
+ case CKM_BATON_ECB128:
+ case CKM_BATON_ECB96:
+ case CKM_BATON_CBC128:
+ case CKM_BATON_COUNTER:
+ case CKM_BATON_SHUFFLE:
+ case CKM_JUNIPER_ECB128:
+ case CKM_JUNIPER_CBC128:
+ case CKM_JUNIPER_COUNTER:
+ case CKM_JUNIPER_SHUFFLE:
+ /* simple cases are simply octet string encoded IVs */
+ rv = SEC_ASN1DecodeItem(arena, &iv,
+ SEC_ASN1_GET(SEC_OctetStringTemplate),
+ &(algid->parameters));
+ if (rv != SECSuccess || iv.data == NULL) {
+ goto loser;
+ }
+ /* XXX Should be some IV length sanity check here. */
+ mech->data = (unsigned char *)PORT_Alloc(iv.len);
+ if (mech->data == NULL) {
+ goto loser;
+ }
+ PORT_Memcpy(mech->data, iv.data, iv.len);
+ mech->len = iv.len;
+ break;
+ }
+ PORT_FreeArena(arena, PR_FALSE);
+ return mech;
+
+loser:
+ if (arena)
+ PORT_FreeArena(arena, PR_FALSE);
+ SECITEM_FreeItem(mech, PR_TRUE);
+ return NULL;
+}
+
+/*
+ * Generate an IV for the given mechanism
+ */
+static SECStatus
+pk11_GenIV(CK_MECHANISM_TYPE type, SECItem *iv)
+{
+ int iv_size = PK11_GetIVLength(type);
+ SECStatus rv;
+
+ iv->len = iv_size;
+ if (iv_size == 0) {
+ iv->data = NULL;
+ return SECSuccess;
+ }
+
+ iv->data = (unsigned char *)PORT_Alloc(iv_size);
+ if (iv->data == NULL) {
+ iv->len = 0;
+ return SECFailure;
+ }
+
+ rv = PK11_GenerateRandom(iv->data, iv->len);
+ if (rv != SECSuccess) {
+ PORT_Free(iv->data);
+ iv->data = NULL;
+ iv->len = 0;
+ return SECFailure;
+ }
+ return SECSuccess;
+}
+
+/*
+ * create a new parameter block from the passed in MECHANISM and the
+ * key. Use Netscape's S/MIME Rules for the New param block.
+ */
+SECItem *
+pk11_GenerateNewParamWithKeyLen(CK_MECHANISM_TYPE type, int keyLen)
+{
+ CK_RC2_CBC_PARAMS *rc2_params;
+ CK_RC2_PARAMS *rc2_ecb_params;
+ SECItem *mech;
+ SECItem iv;
+ SECStatus rv;
+
+ mech = (SECItem *)PORT_Alloc(sizeof(SECItem));
+ if (mech == NULL)
+ return NULL;
+
+ rv = SECSuccess;
+ mech->type = siBuffer;
+ mech->data = NULL;
+ mech->len = 0;
+ switch (type) {
+ case CKM_RC4:
+ case CKM_SEED_ECB:
+ case CKM_CAMELLIA_ECB:
+ case CKM_AES_ECB:
+ case CKM_DES_ECB:
+ case CKM_DES3_ECB:
+ case CKM_IDEA_ECB:
+ case CKM_CDMF_ECB:
+ case CKM_CAST_ECB:
+ case CKM_CAST3_ECB:
+ case CKM_CAST5_ECB:
+ break;
+ case CKM_RC2_ECB:
+ rc2_ecb_params = (CK_RC2_PARAMS *)PORT_Alloc(sizeof(CK_RC2_PARAMS));
+ if (rc2_ecb_params == NULL) {
+ rv = SECFailure;
+ break;
+ }
+ /* NOTE PK11_GetKeyLength can return -1 if the key isn't and RC2, RC5,
+ * or RC4 key. Of course that wouldn't happen here doing RC2:).*/
+ *rc2_ecb_params = keyLen ? keyLen * 8 : 128;
+ mech->data = (unsigned char *)rc2_ecb_params;
+ mech->len = sizeof(CK_RC2_PARAMS);
+ break;
+ case CKM_RC2_CBC:
+ case CKM_RC2_CBC_PAD:
+ rv = pk11_GenIV(type, &iv);
+ if (rv != SECSuccess) {
+ break;
+ }
+ rc2_params = (CK_RC2_CBC_PARAMS *)PORT_Alloc(sizeof(CK_RC2_CBC_PARAMS));
+ if (rc2_params == NULL) {
+ PORT_Free(iv.data);
+ rv = SECFailure;
+ break;
+ }
+ /* NOTE PK11_GetKeyLength can return -1 if the key isn't and RC2, RC5,
+ * or RC4 key. Of course that wouldn't happen here doing RC2:).*/
+ rc2_params->ulEffectiveBits = keyLen ? keyLen * 8 : 128;
+ if (iv.data)
+ PORT_Memcpy(rc2_params->iv, iv.data, sizeof(rc2_params->iv));
+ mech->data = (unsigned char *)rc2_params;
+ mech->len = sizeof(CK_RC2_CBC_PARAMS);
+ PORT_Free(iv.data);
+ break;
+ case CKM_RC5_ECB:
+ PORT_Free(mech);
+ return PK11_ParamFromIV(type, NULL);
+ case CKM_RC5_CBC:
+ case CKM_RC5_CBC_PAD:
+ rv = pk11_GenIV(type, &iv);
+ if (rv != SECSuccess) {
+ break;
+ }
+ PORT_Free(mech);
+ return PK11_ParamFromIV(type, &iv);
+ default:
+ if (pk11_lookup(type)->iv == 0) {
+ break;
+ }
+ case CKM_SEED_CBC:
+ case CKM_CAMELLIA_CBC:
+ case CKM_AES_CBC:
+ case CKM_DES_CBC:
+ case CKM_DES3_CBC:
+ case CKM_IDEA_CBC:
+ case CKM_CDMF_CBC:
+ case CKM_CAST_CBC:
+ case CKM_CAST3_CBC:
+ case CKM_CAST5_CBC:
+ case CKM_DES_CBC_PAD:
+ case CKM_DES3_CBC_PAD:
+ case CKM_IDEA_CBC_PAD:
+ case CKM_CDMF_CBC_PAD:
+ case CKM_CAST_CBC_PAD:
+ case CKM_CAST3_CBC_PAD:
+ case CKM_CAST5_CBC_PAD:
+ case CKM_SKIPJACK_CBC64:
+ case CKM_SKIPJACK_ECB64:
+ case CKM_SKIPJACK_OFB64:
+ case CKM_SKIPJACK_CFB64:
+ case CKM_SKIPJACK_CFB32:
+ case CKM_SKIPJACK_CFB16:
+ case CKM_SKIPJACK_CFB8:
+ case CKM_BATON_ECB128:
+ case CKM_BATON_ECB96:
+ case CKM_BATON_CBC128:
+ case CKM_BATON_COUNTER:
+ case CKM_BATON_SHUFFLE:
+ case CKM_JUNIPER_ECB128:
+ case CKM_JUNIPER_CBC128:
+ case CKM_JUNIPER_COUNTER:
+ case CKM_JUNIPER_SHUFFLE:
+ rv = pk11_GenIV(type, &iv);
+ if (rv != SECSuccess) {
+ break;
+ }
+ mech->data = (unsigned char *)PORT_Alloc(iv.len);
+ if (mech->data == NULL) {
+ PORT_Free(iv.data);
+ rv = SECFailure;
+ break;
+ }
+ PORT_Memcpy(mech->data, iv.data, iv.len);
+ mech->len = iv.len;
+ PORT_Free(iv.data);
+ break;
+ }
+ if (rv != SECSuccess) {
+ SECITEM_FreeItem(mech, PR_TRUE);
+ return NULL;
+ }
+ return mech;
+}
+
+SECItem *
+PK11_GenerateNewParam(CK_MECHANISM_TYPE type, PK11SymKey *key)
+{
+ int keyLen = key ? PK11_GetKeyLength(key) : 0;
+
+ return pk11_GenerateNewParamWithKeyLen(type, keyLen);
+}
+
+#define RC5_V10 0x10
+
+/* turn a PKCS #11 parameter into a DER Encoded Algorithm ID */
+SECStatus
+PK11_ParamToAlgid(SECOidTag algTag, SECItem *param,
+ PLArenaPool *arena, SECAlgorithmID *algid)
+{
+ CK_RC2_CBC_PARAMS *rc2_params;
+ sec_rc2cbcParameter rc2;
+ CK_RC5_CBC_PARAMS *rc5_params;
+ sec_rc5cbcParameter rc5;
+ CK_MECHANISM_TYPE type = PK11_AlgtagToMechanism(algTag);
+ SECItem *newParams = NULL;
+ SECStatus rv = SECFailure;
+ unsigned long rc2version;
+
+ switch (type) {
+ case CKM_RC4:
+ case CKM_SEED_ECB:
+ case CKM_CAMELLIA_ECB:
+ case CKM_AES_ECB:
+ case CKM_DES_ECB:
+ case CKM_DES3_ECB:
+ case CKM_IDEA_ECB:
+ case CKM_CDMF_ECB:
+ case CKM_CAST_ECB:
+ case CKM_CAST3_ECB:
+ case CKM_CAST5_ECB:
+ newParams = NULL;
+ rv = SECSuccess;
+ break;
+ case CKM_RC2_ECB:
+ break;
+ case CKM_RC2_CBC:
+ case CKM_RC2_CBC_PAD:
+ rc2_params = (CK_RC2_CBC_PARAMS *)param->data;
+ rc2version = rc2_unmap(rc2_params->ulEffectiveBits);
+ if (SEC_ASN1EncodeUnsignedInteger(NULL, &(rc2.rc2ParameterVersion),
+ rc2version) == NULL)
+ break;
+ rc2.iv.data = rc2_params->iv;
+ rc2.iv.len = sizeof(rc2_params->iv);
+ newParams = SEC_ASN1EncodeItem(NULL, NULL, &rc2,
+ sec_rc2cbc_parameter_template);
+ PORT_Free(rc2.rc2ParameterVersion.data);
+ if (newParams == NULL)
+ break;
+ rv = SECSuccess;
+ break;
+
+ case CKM_RC5_ECB: /* well not really... */
+ break;
+ case CKM_RC5_CBC:
+ case CKM_RC5_CBC_PAD:
+ rc5_params = (CK_RC5_CBC_PARAMS *)param->data;
+ if (SEC_ASN1EncodeUnsignedInteger(NULL, &rc5.version, RC5_V10) == NULL)
+ break;
+ if (SEC_ASN1EncodeUnsignedInteger(NULL, &rc5.blockSizeInBits,
+ rc5_params->ulWordsize * 8) == NULL) {
+ PORT_Free(rc5.version.data);
+ break;
+ }
+ if (SEC_ASN1EncodeUnsignedInteger(NULL, &rc5.rounds,
+ rc5_params->ulWordsize * 8) == NULL) {
+ PORT_Free(rc5.blockSizeInBits.data);
+ PORT_Free(rc5.version.data);
+ break;
+ }
+ rc5.iv.data = rc5_params->pIv;
+ rc5.iv.len = rc5_params->ulIvLen;
+ newParams = SEC_ASN1EncodeItem(NULL, NULL, &rc5,
+ sec_rc5cbc_parameter_template);
+ PORT_Free(rc5.version.data);
+ PORT_Free(rc5.blockSizeInBits.data);
+ PORT_Free(rc5.rounds.data);
+ if (newParams == NULL)
+ break;
+ rv = SECSuccess;
+ break;
+ case CKM_PBE_MD2_DES_CBC:
+ case CKM_PBE_MD5_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
+ case CKM_PBE_SHA1_DES3_EDE_CBC:
+ case CKM_PBE_SHA1_DES2_EDE_CBC:
+ case CKM_PBE_SHA1_RC2_40_CBC:
+ case CKM_PBE_SHA1_RC2_128_CBC:
+ case CKM_PBE_SHA1_RC4_40:
+ case CKM_PBE_SHA1_RC4_128:
+ return PBE_PK11ParamToAlgid(algTag, param, arena, algid);
+ default:
+ if (pk11_lookup(type)->iv == 0) {
+ rv = SECSuccess;
+ newParams = NULL;
+ break;
+ }
+ case CKM_SEED_CBC:
+ case CKM_CAMELLIA_CBC:
+ case CKM_AES_CBC:
+ case CKM_DES_CBC:
+ case CKM_DES3_CBC:
+ case CKM_IDEA_CBC:
+ case CKM_CDMF_CBC:
+ case CKM_CAST_CBC:
+ case CKM_CAST3_CBC:
+ case CKM_CAST5_CBC:
+ case CKM_DES_CBC_PAD:
+ case CKM_DES3_CBC_PAD:
+ case CKM_IDEA_CBC_PAD:
+ case CKM_CDMF_CBC_PAD:
+ case CKM_CAST_CBC_PAD:
+ case CKM_CAST3_CBC_PAD:
+ case CKM_CAST5_CBC_PAD:
+ case CKM_SKIPJACK_CBC64:
+ case CKM_SKIPJACK_ECB64:
+ case CKM_SKIPJACK_OFB64:
+ case CKM_SKIPJACK_CFB64:
+ case CKM_SKIPJACK_CFB32:
+ case CKM_SKIPJACK_CFB16:
+ case CKM_SKIPJACK_CFB8:
+ case CKM_BATON_ECB128:
+ case CKM_BATON_ECB96:
+ case CKM_BATON_CBC128:
+ case CKM_BATON_COUNTER:
+ case CKM_BATON_SHUFFLE:
+ case CKM_JUNIPER_ECB128:
+ case CKM_JUNIPER_CBC128:
+ case CKM_JUNIPER_COUNTER:
+ case CKM_JUNIPER_SHUFFLE:
+ newParams = SEC_ASN1EncodeItem(NULL, NULL, param,
+ SEC_ASN1_GET(SEC_OctetStringTemplate));
+ if (newParams == NULL)
+ break;
+ rv = SECSuccess;
+ break;
+ }
+
+ if (rv != SECSuccess) {
+ if (newParams)
+ SECITEM_FreeItem(newParams, PR_TRUE);
+ return rv;
+ }
+
+ rv = SECOID_SetAlgorithmID(arena, algid, algTag, newParams);
+ SECITEM_FreeItem(newParams, PR_TRUE);
+ return rv;
+}
+
+/* turn an OID algorithm tag into a PKCS #11 mechanism. This allows us to
+ * map OID's directly into the PKCS #11 mechanism we want to call. We find
+ * this mapping in our standard OID table */
+CK_MECHANISM_TYPE
+PK11_AlgtagToMechanism(SECOidTag algTag)
+{
+ SECOidData *oid = SECOID_FindOIDByTag(algTag);
+
+ if (oid)
+ return (CK_MECHANISM_TYPE)oid->mechanism;
+ return CKM_INVALID_MECHANISM;
+}
+
+/* turn a mechanism into an oid. */
+SECOidTag
+PK11_MechanismToAlgtag(CK_MECHANISM_TYPE type)
+{
+ SECOidData *oid = SECOID_FindOIDByMechanism((unsigned long)type);
+
+ if (oid)
+ return oid->offset;
+ return SEC_OID_UNKNOWN;
+}
+
+/* Determine appropriate blocking mechanism, used when wrapping private keys
+ * which require PKCS padding. If the mechanism does not map to a padding
+ * mechanism, we simply return the mechanism.
+ */
+CK_MECHANISM_TYPE
+PK11_GetPadMechanism(CK_MECHANISM_TYPE type)
+{
+ switch (type) {
+ case CKM_SEED_CBC:
+ return CKM_SEED_CBC_PAD;
+ case CKM_CAMELLIA_CBC:
+ return CKM_CAMELLIA_CBC_PAD;
+ case CKM_AES_CBC:
+ return CKM_AES_CBC_PAD;
+ case CKM_DES_CBC:
+ return CKM_DES_CBC_PAD;
+ case CKM_DES3_CBC:
+ return CKM_DES3_CBC_PAD;
+ case CKM_RC2_CBC:
+ return CKM_RC2_CBC_PAD;
+ case CKM_CDMF_CBC:
+ return CKM_CDMF_CBC_PAD;
+ case CKM_CAST_CBC:
+ return CKM_CAST_CBC_PAD;
+ case CKM_CAST3_CBC:
+ return CKM_CAST3_CBC_PAD;
+ case CKM_CAST5_CBC:
+ return CKM_CAST5_CBC_PAD;
+ case CKM_RC5_CBC:
+ return CKM_RC5_CBC_PAD;
+ case CKM_IDEA_CBC:
+ return CKM_IDEA_CBC_PAD;
+ default:
+ break;
+ }
+
+ return type;
+}
+
+static PRBool
+pk11_isAllZero(unsigned char *data, int len)
+{
+ while (len--) {
+ if (*data++) {
+ return PR_FALSE;
+ }
+ }
+ return PR_TRUE;
+}
+
+CK_RV
+PK11_MapPBEMechanismToCryptoMechanism(CK_MECHANISM_PTR pPBEMechanism,
+ CK_MECHANISM_PTR pCryptoMechanism,
+ SECItem *pbe_pwd, PRBool faulty3DES)
+{
+ int iv_len = 0;
+ CK_PBE_PARAMS_PTR pPBEparams;
+ CK_RC2_CBC_PARAMS_PTR rc2_params;
+ CK_ULONG rc2_key_len;
+
+ if ((pPBEMechanism == CK_NULL_PTR) || (pCryptoMechanism == CK_NULL_PTR)) {
+ return CKR_HOST_MEMORY;
+ }
+
+ /* pkcs5 v2 cannot be supported by this interface.
+ * use PK11_GetPBECryptoMechanism instead.
+ */
+ if ((pPBEMechanism->mechanism == CKM_INVALID_MECHANISM) ||
+ (pPBEMechanism->mechanism == CKM_PKCS5_PBKD2)) {
+ return CKR_MECHANISM_INVALID;
+ }
+
+ pPBEparams = (CK_PBE_PARAMS_PTR)pPBEMechanism->pParameter;
+ iv_len = PK11_GetIVLength(pPBEMechanism->mechanism);
+
+ if (iv_len) {
+ if (pk11_isAllZero(pPBEparams->pInitVector, iv_len)) {
+ SECItem param;
+ PK11SymKey *symKey;
+ PK11SlotInfo *intSlot = PK11_GetInternalSlot();
+
+ if (intSlot == NULL) {
+ return CKR_DEVICE_ERROR;
+ }
+
+ param.data = pPBEMechanism->pParameter;
+ param.len = pPBEMechanism->ulParameterLen;
+
+ symKey = PK11_RawPBEKeyGen(intSlot,
+ pPBEMechanism->mechanism, &param, pbe_pwd, faulty3DES, NULL);
+ PK11_FreeSlot(intSlot);
+ if (symKey == NULL) {
+ return CKR_DEVICE_ERROR; /* sigh */
+ }
+ PK11_FreeSymKey(symKey);
+ }
+ }
+
+ switch (pPBEMechanism->mechanism) {
+ case CKM_PBE_MD2_DES_CBC:
+ case CKM_PBE_MD5_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
+ pCryptoMechanism->mechanism = CKM_DES_CBC;
+ goto have_crypto_mechanism;
+ case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
+ case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
+ case CKM_PBE_SHA1_DES3_EDE_CBC:
+ case CKM_PBE_SHA1_DES2_EDE_CBC:
+ pCryptoMechanism->mechanism = CKM_DES3_CBC;
+ have_crypto_mechanism:
+ pCryptoMechanism->pParameter = PORT_Alloc(iv_len);
+ pCryptoMechanism->ulParameterLen = (CK_ULONG)iv_len;
+ if (pCryptoMechanism->pParameter == NULL) {
+ return CKR_HOST_MEMORY;
+ }
+ PORT_Memcpy((unsigned char *)(pCryptoMechanism->pParameter),
+ (unsigned char *)(pPBEparams->pInitVector),
+ iv_len);
+ break;
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
+ case CKM_PBE_SHA1_RC4_40:
+ case CKM_PBE_SHA1_RC4_128:
+ pCryptoMechanism->mechanism = CKM_RC4;
+ pCryptoMechanism->ulParameterLen = 0;
+ pCryptoMechanism->pParameter = CK_NULL_PTR;
+ break;
+ case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
+ case CKM_PBE_SHA1_RC2_40_CBC:
+ rc2_key_len = 40;
+ goto have_key_len;
+ case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
+ rc2_key_len = 128;
+ have_key_len:
+ pCryptoMechanism->mechanism = CKM_RC2_CBC;
+ pCryptoMechanism->ulParameterLen = (CK_ULONG)sizeof(CK_RC2_CBC_PARAMS);
+ pCryptoMechanism->pParameter = (CK_RC2_CBC_PARAMS_PTR)
+ PORT_ZAlloc(sizeof(CK_RC2_CBC_PARAMS));
+ if (pCryptoMechanism->pParameter == NULL) {
+ return CKR_HOST_MEMORY;
+ }
+ rc2_params = (CK_RC2_CBC_PARAMS_PTR)pCryptoMechanism->pParameter;
+ PORT_Memcpy((unsigned char *)rc2_params->iv,
+ (unsigned char *)pPBEparams->pInitVector,
+ iv_len);
+ rc2_params->ulEffectiveBits = rc2_key_len;
+ break;
+ default:
+ return CKR_MECHANISM_INVALID;
+ }
+
+ return CKR_OK;
+}
+
+/* Make a Key type to an appropriate signing/verification mechanism */
+CK_MECHANISM_TYPE
+PK11_MapSignKeyType(KeyType keyType)
+{
+ switch (keyType) {
+ case rsaKey:
+ return CKM_RSA_PKCS;
+ case fortezzaKey:
+ case dsaKey:
+ return CKM_DSA;
+ case ecKey:
+ return CKM_ECDSA;
+ case dhKey:
+ default:
+ break;
+ }
+ return CKM_INVALID_MECHANISM;
+}
+
+CK_MECHANISM_TYPE
+pk11_mapWrapKeyType(KeyType keyType)
+{
+ switch (keyType) {
+ case rsaKey:
+ return CKM_RSA_PKCS;
+ /* Add fortezza?? */
+ default:
+ break;
+ }
+ return CKM_INVALID_MECHANISM;
+}
+
+SECOidTag
+PK11_FortezzaMapSig(SECOidTag algTag)
+{
+ switch (algTag) {
+ case SEC_OID_MISSI_KEA_DSS:
+ case SEC_OID_MISSI_DSS:
+ case SEC_OID_MISSI_DSS_OLD:
+ case SEC_OID_MISSI_KEA_DSS_OLD:
+ case SEC_OID_BOGUS_DSA_SIGNATURE_WITH_SHA1_DIGEST:
+ return SEC_OID_ANSIX9_DSA_SIGNATURE;
+ default:
+ break;
+ }
+ return algTag;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 00:49:49 +0000