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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /security/nss/lib/pk11wrap/pk11pqg.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'security/nss/lib/pk11wrap/pk11pqg.c')
-rw-r--r--security/nss/lib/pk11wrap/pk11pqg.c522
1 files changed, 522 insertions, 0 deletions
diff --git a/security/nss/lib/pk11wrap/pk11pqg.c b/security/nss/lib/pk11wrap/pk11pqg.c
new file mode 100644
index 000000000..d7c5f3613
--- /dev/null
+++ b/security/nss/lib/pk11wrap/pk11pqg.c
@@ -0,0 +1,522 @@
+/* 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/. */
+/* Thse functions are stub functions which will get replaced with calls through
+ * PKCS #11.
+ */
+
+#include "pk11func.h"
+#include "secmod.h"
+#include "secmodi.h"
+#include "secmodti.h"
+#include "pkcs11t.h"
+#include "pk11pqg.h"
+#include "secerr.h"
+
+/* Generate PQGParams and PQGVerify structs.
+ * Length of P specified by L.
+ * if L is greater than 1024 then the resulting verify parameters will be
+ * DSA2.
+ * Length of Q specified by N. If zero, The PKCS #11 module will
+ * pick an appropriately sized Q for P. If N is specified and L = 1024, then
+ * the resulting verify parameters will be DSA2, Otherwise DSA1 parameters
+ * will be returned.
+ * Length of SEED in bytes specified in seedBytes.
+ *
+ * The underlying PKCS #11 module will check the values for L, N,
+ * and seedBytes. The rules for softoken are:
+ *
+ * If L <= 1024, then L must be between 512 and 1024 in increments of 64 bits.
+ * If L <= 1024, then N must be 0 or 160.
+ * If L >= 1024, then L and N must match the following table:
+ * L=1024 N=0 or 160
+ * L=2048 N=0 or 224
+ * L=2048 N=256
+ * L=3072 N=0 or 256
+ * if L <= 1024
+ * seedBbytes must be in the range [20..256].
+ * if L >= 1024
+ * seedBbytes must be in the range [20..L/16].
+ */
+extern SECStatus
+PK11_PQG_ParamGenV2(unsigned int L, unsigned int N,
+ unsigned int seedBytes, PQGParams **pParams, PQGVerify **pVfy)
+{
+ PK11SlotInfo *slot = NULL;
+ CK_ATTRIBUTE genTemplate[5];
+ CK_ATTRIBUTE *attrs = genTemplate;
+ int count = sizeof(genTemplate) / sizeof(genTemplate[0]);
+ CK_MECHANISM mechanism;
+ CK_OBJECT_HANDLE objectID = CK_INVALID_HANDLE;
+ CK_RV crv;
+ CK_ATTRIBUTE pTemplate[] = {
+ { CKA_PRIME, NULL, 0 },
+ { CKA_SUBPRIME, NULL, 0 },
+ { CKA_BASE, NULL, 0 },
+ };
+ CK_ATTRIBUTE vTemplate[] = {
+ { CKA_NETSCAPE_PQG_COUNTER, NULL, 0 },
+ { CKA_NETSCAPE_PQG_SEED, NULL, 0 },
+ { CKA_NETSCAPE_PQG_H, NULL, 0 },
+ };
+ CK_ULONG primeBits = L;
+ CK_ULONG subPrimeBits = N;
+ int pTemplateCount = sizeof(pTemplate) / sizeof(pTemplate[0]);
+ int vTemplateCount = sizeof(vTemplate) / sizeof(vTemplate[0]);
+ PLArenaPool *parena = NULL;
+ PLArenaPool *varena = NULL;
+ PQGParams *params = NULL;
+ PQGVerify *verify = NULL;
+ CK_ULONG seedBits = seedBytes * 8;
+
+ *pParams = NULL;
+ *pVfy = NULL;
+
+ if (primeBits == (CK_ULONG)-1) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ goto loser;
+ }
+ PK11_SETATTRS(attrs, CKA_PRIME_BITS, &primeBits, sizeof(primeBits));
+ attrs++;
+ if (subPrimeBits != 0) {
+ PK11_SETATTRS(attrs, CKA_SUB_PRIME_BITS,
+ &subPrimeBits, sizeof(subPrimeBits));
+ attrs++;
+ }
+ if (seedBits != 0) {
+ PK11_SETATTRS(attrs, CKA_NETSCAPE_PQG_SEED_BITS,
+ &seedBits, sizeof(seedBits));
+ attrs++;
+ }
+ count = attrs - genTemplate;
+ PR_ASSERT(count <= sizeof(genTemplate) / sizeof(CK_ATTRIBUTE));
+
+ slot = PK11_GetInternalSlot();
+ if (slot == NULL) {
+ /* set error */
+ PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); /* shouldn't happen */
+ goto loser;
+ }
+
+ /* make sure the internal slot can handle DSA2 type parameters. */
+ if (primeBits > 1024) {
+ CK_MECHANISM_INFO mechanism_info;
+
+ if (!slot->isThreadSafe)
+ PK11_EnterSlotMonitor(slot);
+ crv = PK11_GETTAB(slot)->C_GetMechanismInfo(slot->slotID,
+ CKM_DSA_PARAMETER_GEN,
+ &mechanism_info);
+ if (!slot->isThreadSafe)
+ PK11_ExitSlotMonitor(slot);
+ /* a bug in the old softoken left CKM_DSA_PARAMETER_GEN off of the
+ * mechanism List. If we get a failure asking for this value, we know
+ * it can't handle DSA2 */
+ if ((crv != CKR_OK) || (mechanism_info.ulMaxKeySize < primeBits)) {
+ PK11_FreeSlot(slot);
+ slot = PK11_GetBestSlotWithAttributes(CKM_DSA_PARAMETER_GEN, 0,
+ primeBits, NULL);
+ if (slot == NULL) {
+ PORT_SetError(SEC_ERROR_NO_TOKEN); /* can happen */
+ goto loser;
+ }
+ /* ditch seedBits in this case, they are NSS specific and at
+ * this point we have a token that claims to handle DSA2 */
+ if (seedBits) {
+ attrs--;
+ }
+ }
+ }
+
+ /* Initialize the Key Gen Mechanism */
+ mechanism.mechanism = CKM_DSA_PARAMETER_GEN;
+ mechanism.pParameter = NULL;
+ mechanism.ulParameterLen = 0;
+
+ PK11_EnterSlotMonitor(slot);
+ crv = PK11_GETTAB(slot)->C_GenerateKey(slot->session,
+ &mechanism, genTemplate, count, &objectID);
+ PK11_ExitSlotMonitor(slot);
+
+ if (crv != CKR_OK) {
+ PORT_SetError(PK11_MapError(crv));
+ goto loser;
+ }
+
+ parena = PORT_NewArena(60);
+ if (!parena) {
+ goto loser;
+ }
+
+ crv = PK11_GetAttributes(parena, slot, objectID, pTemplate, pTemplateCount);
+ if (crv != CKR_OK) {
+ PORT_SetError(PK11_MapError(crv));
+ goto loser;
+ }
+
+ params = (PQGParams *)PORT_ArenaAlloc(parena, sizeof(PQGParams));
+ if (params == NULL) {
+ goto loser;
+ }
+
+ /* fill in Params */
+ params->arena = parena;
+ params->prime.type = siUnsignedInteger;
+ params->prime.data = pTemplate[0].pValue;
+ params->prime.len = pTemplate[0].ulValueLen;
+ params->subPrime.type = siUnsignedInteger;
+ params->subPrime.data = pTemplate[1].pValue;
+ params->subPrime.len = pTemplate[1].ulValueLen;
+ params->base.type = siUnsignedInteger;
+ params->base.data = pTemplate[2].pValue;
+ params->base.len = pTemplate[2].ulValueLen;
+
+ varena = PORT_NewArena(60);
+ if (!varena) {
+ goto loser;
+ }
+
+ crv = PK11_GetAttributes(varena, slot, objectID, vTemplate, vTemplateCount);
+ if (crv != CKR_OK) {
+ PORT_SetError(PK11_MapError(crv));
+ goto loser;
+ }
+
+ verify = (PQGVerify *)PORT_ArenaAlloc(varena, sizeof(PQGVerify));
+ if (verify == NULL) {
+ goto loser;
+ }
+ /* fill in Params */
+ verify->arena = varena;
+ verify->counter = (unsigned int)(*(CK_ULONG *)vTemplate[0].pValue);
+ verify->seed.type = siUnsignedInteger;
+ verify->seed.data = vTemplate[1].pValue;
+ verify->seed.len = vTemplate[1].ulValueLen;
+ verify->h.type = siUnsignedInteger;
+ verify->h.data = vTemplate[2].pValue;
+ verify->h.len = vTemplate[2].ulValueLen;
+
+ PK11_DestroyObject(slot, objectID);
+ PK11_FreeSlot(slot);
+
+ *pParams = params;
+ *pVfy = verify;
+
+ return SECSuccess;
+
+loser:
+ if (objectID != CK_INVALID_HANDLE) {
+ PK11_DestroyObject(slot, objectID);
+ }
+ if (parena != NULL) {
+ PORT_FreeArena(parena, PR_FALSE);
+ }
+ if (varena != NULL) {
+ PORT_FreeArena(varena, PR_FALSE);
+ }
+ if (slot) {
+ PK11_FreeSlot(slot);
+ }
+ return SECFailure;
+}
+
+/* Generate PQGParams and PQGVerify structs.
+ * Length of P specified by j. Length of h will match length of P.
+ * Length of SEED in bytes specified in seedBytes.
+ * seedBbytes must be in the range [20..255] or an error will result.
+ */
+extern SECStatus
+PK11_PQG_ParamGenSeedLen(unsigned int j, unsigned int seedBytes,
+ PQGParams **pParams, PQGVerify **pVfy)
+{
+ unsigned int primeBits = PQG_INDEX_TO_PBITS(j);
+ return PK11_PQG_ParamGenV2(primeBits, 0, seedBytes, pParams, pVfy);
+}
+
+/* Generate PQGParams and PQGVerify structs.
+ * Length of seed and length of h both equal length of P.
+ * All lengths are specified by "j", according to the table above.
+ */
+extern SECStatus
+PK11_PQG_ParamGen(unsigned int j, PQGParams **pParams, PQGVerify **pVfy)
+{
+ unsigned int primeBits = PQG_INDEX_TO_PBITS(j);
+ return PK11_PQG_ParamGenV2(primeBits, 0, 0, pParams, pVfy);
+}
+
+/* Test PQGParams for validity as DSS PQG values.
+ * If vfy is non-NULL, test PQGParams to make sure they were generated
+ * using the specified seed, counter, and h values.
+ *
+ * Return value indicates whether Verification operation ran successfully
+ * to completion, but does not indicate if PQGParams are valid or not.
+ * If return value is SECSuccess, then *pResult has these meanings:
+ * SECSuccess: PQGParams are valid.
+ * SECFailure: PQGParams are invalid.
+ */
+
+extern SECStatus
+PK11_PQG_VerifyParams(const PQGParams *params, const PQGVerify *vfy,
+ SECStatus *result)
+{
+ CK_ATTRIBUTE keyTempl[] = {
+ { CKA_CLASS, NULL, 0 },
+ { CKA_KEY_TYPE, NULL, 0 },
+ { CKA_PRIME, NULL, 0 },
+ { CKA_SUBPRIME, NULL, 0 },
+ { CKA_BASE, NULL, 0 },
+ { CKA_TOKEN, NULL, 0 },
+ { CKA_NETSCAPE_PQG_COUNTER, NULL, 0 },
+ { CKA_NETSCAPE_PQG_SEED, NULL, 0 },
+ { CKA_NETSCAPE_PQG_H, NULL, 0 },
+ };
+ CK_ATTRIBUTE *attrs;
+ CK_BBOOL ckfalse = CK_FALSE;
+ CK_OBJECT_CLASS class = CKO_KG_PARAMETERS;
+ CK_KEY_TYPE keyType = CKK_DSA;
+ SECStatus rv = SECSuccess;
+ PK11SlotInfo *slot;
+ int keyCount;
+ CK_OBJECT_HANDLE objectID;
+ CK_ULONG counter;
+ CK_RV crv;
+
+ attrs = keyTempl;
+ PK11_SETATTRS(attrs, CKA_CLASS, &class, sizeof(class));
+ attrs++;
+ PK11_SETATTRS(attrs, CKA_KEY_TYPE, &keyType, sizeof(keyType));
+ attrs++;
+ PK11_SETATTRS(attrs, CKA_PRIME, params->prime.data,
+ params->prime.len);
+ attrs++;
+ PK11_SETATTRS(attrs, CKA_SUBPRIME, params->subPrime.data,
+ params->subPrime.len);
+ attrs++;
+ if (params->base.len) {
+ PK11_SETATTRS(attrs, CKA_BASE, params->base.data, params->base.len);
+ attrs++;
+ }
+ PK11_SETATTRS(attrs, CKA_TOKEN, &ckfalse, sizeof(ckfalse));
+ attrs++;
+ if (vfy) {
+ if (vfy->counter != -1) {
+ counter = vfy->counter;
+ PK11_SETATTRS(attrs, CKA_NETSCAPE_PQG_COUNTER,
+ &counter, sizeof(counter));
+ attrs++;
+ }
+ PK11_SETATTRS(attrs, CKA_NETSCAPE_PQG_SEED,
+ vfy->seed.data, vfy->seed.len);
+ attrs++;
+ if (vfy->h.len) {
+ PK11_SETATTRS(attrs, CKA_NETSCAPE_PQG_H,
+ vfy->h.data, vfy->h.len);
+ attrs++;
+ }
+ }
+
+ keyCount = attrs - keyTempl;
+ PORT_Assert(keyCount <= sizeof(keyTempl) / sizeof(keyTempl[0]));
+
+ slot = PK11_GetInternalSlot();
+ if (slot == NULL) {
+ return SECFailure;
+ }
+
+ PK11_EnterSlotMonitor(slot);
+ crv = PK11_GETTAB(slot)->C_CreateObject(slot->session, keyTempl, keyCount,
+ &objectID);
+ PK11_ExitSlotMonitor(slot);
+
+ /* throw away the keys, we only wanted the return code */
+ PK11_DestroyObject(slot, objectID);
+ PK11_FreeSlot(slot);
+
+ *result = SECSuccess;
+ if (crv == CKR_ATTRIBUTE_VALUE_INVALID) {
+ *result = SECFailure;
+ } else if (crv != CKR_OK) {
+ PORT_SetError(PK11_MapError(crv));
+ rv = SECFailure;
+ }
+ return rv;
+}
+
+/**************************************************************************
+ * Free the PQGParams struct and the things it points to. *
+ **************************************************************************/
+extern void
+PK11_PQG_DestroyParams(PQGParams *params)
+{
+ if (params == NULL)
+ return;
+ if (params->arena != NULL) {
+ PORT_FreeArena(params->arena, PR_FALSE); /* don't zero it */
+ } else {
+ SECITEM_FreeItem(&params->prime, PR_FALSE); /* don't free prime */
+ SECITEM_FreeItem(&params->subPrime, PR_FALSE); /* don't free subPrime */
+ SECITEM_FreeItem(&params->base, PR_FALSE); /* don't free base */
+ PORT_Free(params);
+ }
+}
+
+/**************************************************************************
+ * Free the PQGVerify struct and the things it points to. *
+ **************************************************************************/
+extern void
+PK11_PQG_DestroyVerify(PQGVerify *vfy)
+{
+ if (vfy == NULL)
+ return;
+ if (vfy->arena != NULL) {
+ PORT_FreeArena(vfy->arena, PR_FALSE); /* don't zero it */
+ } else {
+ SECITEM_FreeItem(&vfy->seed, PR_FALSE); /* don't free seed */
+ SECITEM_FreeItem(&vfy->h, PR_FALSE); /* don't free h */
+ PORT_Free(vfy);
+ }
+}
+
+#define PQG_DEFAULT_CHUNKSIZE 2048 /* bytes */
+
+/**************************************************************************
+ * Return a pointer to a new PQGParams struct that is constructed from *
+ * copies of the arguments passed in. *
+ * Return NULL on failure. *
+ **************************************************************************/
+extern PQGParams *
+PK11_PQG_NewParams(const SECItem *prime, const SECItem *subPrime,
+ const SECItem *base)
+{
+ PLArenaPool *arena;
+ PQGParams *dest;
+ SECStatus status;
+
+ arena = PORT_NewArena(PQG_DEFAULT_CHUNKSIZE);
+ if (arena == NULL)
+ goto loser;
+
+ dest = (PQGParams *)PORT_ArenaZAlloc(arena, sizeof(PQGParams));
+ if (dest == NULL)
+ goto loser;
+
+ dest->arena = arena;
+
+ status = SECITEM_CopyItem(arena, &dest->prime, prime);
+ if (status != SECSuccess)
+ goto loser;
+
+ status = SECITEM_CopyItem(arena, &dest->subPrime, subPrime);
+ if (status != SECSuccess)
+ goto loser;
+
+ status = SECITEM_CopyItem(arena, &dest->base, base);
+ if (status != SECSuccess)
+ goto loser;
+
+ return dest;
+
+loser:
+ if (arena != NULL)
+ PORT_FreeArena(arena, PR_FALSE);
+ return NULL;
+}
+
+/**************************************************************************
+ * Fills in caller's "prime" SECItem with the prime value in params.
+ * Contents can be freed by calling SECITEM_FreeItem(prime, PR_FALSE);
+ **************************************************************************/
+extern SECStatus
+PK11_PQG_GetPrimeFromParams(const PQGParams *params, SECItem *prime)
+{
+ return SECITEM_CopyItem(NULL, prime, &params->prime);
+}
+
+/**************************************************************************
+ * Fills in caller's "subPrime" SECItem with the prime value in params.
+ * Contents can be freed by calling SECITEM_FreeItem(subPrime, PR_FALSE);
+ **************************************************************************/
+extern SECStatus
+PK11_PQG_GetSubPrimeFromParams(const PQGParams *params, SECItem *subPrime)
+{
+ return SECITEM_CopyItem(NULL, subPrime, &params->subPrime);
+}
+
+/**************************************************************************
+ * Fills in caller's "base" SECItem with the base value in params.
+ * Contents can be freed by calling SECITEM_FreeItem(base, PR_FALSE);
+ **************************************************************************/
+extern SECStatus
+PK11_PQG_GetBaseFromParams(const PQGParams *params, SECItem *base)
+{
+ return SECITEM_CopyItem(NULL, base, &params->base);
+}
+
+/**************************************************************************
+ * Return a pointer to a new PQGVerify struct that is constructed from *
+ * copies of the arguments passed in. *
+ * Return NULL on failure. *
+ **************************************************************************/
+extern PQGVerify *
+PK11_PQG_NewVerify(unsigned int counter, const SECItem *seed,
+ const SECItem *h)
+{
+ PLArenaPool *arena;
+ PQGVerify *dest;
+ SECStatus status;
+
+ arena = PORT_NewArena(PQG_DEFAULT_CHUNKSIZE);
+ if (arena == NULL)
+ goto loser;
+
+ dest = (PQGVerify *)PORT_ArenaZAlloc(arena, sizeof(PQGVerify));
+ if (dest == NULL)
+ goto loser;
+
+ dest->arena = arena;
+ dest->counter = counter;
+
+ status = SECITEM_CopyItem(arena, &dest->seed, seed);
+ if (status != SECSuccess)
+ goto loser;
+
+ status = SECITEM_CopyItem(arena, &dest->h, h);
+ if (status != SECSuccess)
+ goto loser;
+
+ return dest;
+
+loser:
+ if (arena != NULL)
+ PORT_FreeArena(arena, PR_FALSE);
+ return NULL;
+}
+
+/**************************************************************************
+ * Returns "counter" value from the PQGVerify.
+ **************************************************************************/
+extern unsigned int
+PK11_PQG_GetCounterFromVerify(const PQGVerify *verify)
+{
+ return verify->counter;
+}
+
+/**************************************************************************
+ * Fills in caller's "seed" SECItem with the seed value in verify.
+ * Contents can be freed by calling SECITEM_FreeItem(seed, PR_FALSE);
+ **************************************************************************/
+extern SECStatus
+PK11_PQG_GetSeedFromVerify(const PQGVerify *verify, SECItem *seed)
+{
+ return SECITEM_CopyItem(NULL, seed, &verify->seed);
+}
+
+/**************************************************************************
+ * Fills in caller's "h" SECItem with the h value in verify.
+ * Contents can be freed by calling SECITEM_FreeItem(h, PR_FALSE);
+ **************************************************************************/
+extern SECStatus
+PK11_PQG_GetHFromVerify(const PQGVerify *verify, SECItem *h)
+{
+ return SECITEM_CopyItem(NULL, h, &verify->h);
+}