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nss/SOURCES/nss-3.90-fips-indicators.patch

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diff -up ./lib/softoken/pkcs11c.c.fips_indicators ./lib/softoken/pkcs11c.c
--- ./lib/softoken/pkcs11c.c.fips_indicators 2023-11-27 11:21:42.459523398 -0800
+++ ./lib/softoken/pkcs11c.c 2023-11-27 11:22:56.821120920 -0800
@@ -450,7 +450,7 @@ sftk_InitGeneric(SFTKSession *session, C
context->blockSize = 0;
context->maxLen = 0;
context->isFIPS = sftk_operationIsFIPS(session->slot, pMechanism,
- operation, key);
+ operation, key, 0);
*contextPtr = context;
return CKR_OK;
}
@@ -4816,7 +4816,7 @@ NSC_GenerateKey(CK_SESSION_HANDLE hSessi
crv = sftk_handleObject(key, session);
/* we need to do this check at the end, so we can check the generated
* key length against fips requirements */
- key->isFIPS = sftk_operationIsFIPS(slot, pMechanism, CKA_NSS_GENERATE, key);
+ key->isFIPS = sftk_operationIsFIPS(slot, pMechanism, CKA_NSS_GENERATE, key, 0);
session->lastOpWasFIPS = key->isFIPS;
sftk_FreeSession(session);
if (crv == CKR_OK && sftk_isTrue(key, CKA_SENSITIVE)) {
@@ -5836,7 +5836,7 @@ NSC_GenerateKeyPair(CK_SESSION_HANDLE hS
return crv;
}
/* we need to do this check at the end to make sure the generated key meets the key length requirements */
- privateKey->isFIPS = sftk_operationIsFIPS(slot, pMechanism, CKA_NSS_GENERATE_KEY_PAIR, privateKey);
+ privateKey->isFIPS = sftk_operationIsFIPS(slot, pMechanism, CKA_NSS_GENERATE_KEY_PAIR, privateKey, 0);
publicKey->isFIPS = privateKey->isFIPS;
session->lastOpWasFIPS = privateKey->isFIPS;
sftk_FreeSession(session);
@@ -7036,6 +7036,10 @@ sftk_HKDF(CK_HKDF_PARAMS_PTR params, CK_
return CKR_TEMPLATE_INCONSISTENT;
}
+ if (!params->bExpand) {
+ keySize = hashLen;
+ }
+
/* sourceKey is NULL if we are called from the POST, skip the
* sensitiveCheck */
if (sourceKey != NULL) {
@@ -7085,7 +7089,8 @@ sftk_HKDF(CK_HKDF_PARAMS_PTR params, CK_
mech.pParameter = params;
mech.ulParameterLen = sizeof(*params);
key->isFIPS = sftk_operationIsFIPS(saltKey->slot, &mech,
- CKA_DERIVE, saltKey);
+ CKA_DERIVE, saltKey,
+ keySize);
}
saltKeySource = saltKey->source;
saltKey_att = sftk_FindAttribute(saltKey, CKA_VALUE);
@@ -7152,7 +7157,7 @@ sftk_HKDF(CK_HKDF_PARAMS_PTR params, CK_
/* HKDF-Expand */
if (!params->bExpand) {
okm = prk;
- keySize = genLen = hashLen;
+ genLen = hashLen;
} else {
/* T(1) = HMAC-Hash(prk, "" | info | 0x01)
* T(n) = HMAC-Hash(prk, T(n-1) | info | n
@@ -7398,7 +7403,8 @@ NSC_DeriveKey(CK_SESSION_HANDLE hSession
return CKR_KEY_HANDLE_INVALID;
}
}
- key->isFIPS = sftk_operationIsFIPS(slot, pMechanism, CKA_DERIVE, sourceKey);
+ key->isFIPS = sftk_operationIsFIPS(slot, pMechanism, CKA_DERIVE, sourceKey,
+ keySize);
switch (mechanism) {
/* get a public key from a private key. nsslowkey_ConvertToPublickey()
diff -up ./lib/softoken/pkcs11i.h.fips_indicators ./lib/softoken/pkcs11i.h
--- ./lib/softoken/pkcs11i.h.fips_indicators 2023-11-27 11:21:42.450523326 -0800
+++ ./lib/softoken/pkcs11i.h 2023-11-27 11:22:56.821120920 -0800
@@ -979,7 +979,8 @@ CK_FLAGS sftk_AttributeToFlags(CK_ATTRIB
/* check the FIPS table to determine if this current operation is allowed by
* FIPS security policy */
PRBool sftk_operationIsFIPS(SFTKSlot *slot, CK_MECHANISM *mech,
- CK_ATTRIBUTE_TYPE op, SFTKObject *source);
+ CK_ATTRIBUTE_TYPE op, SFTKObject *source,
+ CK_ULONG targetKeySize);
/* add validation objects to the slot */
CK_RV sftk_CreateValidationObjects(SFTKSlot *slot);
diff -up ./lib/softoken/pkcs11u.c.fips_indicators ./lib/softoken/pkcs11u.c
--- ./lib/softoken/pkcs11u.c.fips_indicators 2023-11-27 11:21:42.451523334 -0800
+++ ./lib/softoken/pkcs11u.c 2023-11-27 11:31:51.812419789 -0800
@@ -2330,7 +2330,7 @@ sftk_quickGetECCCurveOid(SFTKObject *sou
static CK_ULONG
sftk_getKeyLength(SFTKObject *source)
{
- CK_KEY_TYPE keyType = CK_INVALID_HANDLE;
+ CK_KEY_TYPE keyType = CKK_INVALID_KEY_TYPE;
CK_ATTRIBUTE_TYPE keyAttribute;
CK_ULONG keyLength = 0;
SFTKAttribute *attribute;
@@ -2392,13 +2392,29 @@ sftk_getKeyLength(SFTKObject *source)
return keyLength;
}
+PRBool
+sftk_CheckFIPSHash(CK_MECHANISM_TYPE hash)
+{
+ switch (hash) {
+ case CKM_SHA256:
+ case CKG_MGF1_SHA256:
+ case CKM_SHA384:
+ case CKG_MGF1_SHA384:
+ case CKM_SHA512:
+ case CKG_MGF1_SHA512:
+ return PR_TRUE;
+ }
+ return PR_FALSE;
+}
+
/*
* handle specialized FIPS semantics that are too complicated to
* handle with just a table. NOTE: this means any additional semantics
* would have to be coded here before they can be added to the table */
static PRBool
sftk_handleSpecial(SFTKSlot *slot, CK_MECHANISM *mech,
- SFTKFIPSAlgorithmList *mechInfo, SFTKObject *source)
+ SFTKFIPSAlgorithmList *mechInfo, SFTKObject *source,
+ CK_ULONG keyLength, CK_ULONG targetKeyLength)
{
switch (mechInfo->special) {
case SFTKFIPSDH: {
@@ -2458,10 +2474,15 @@ sftk_handleSpecial(SFTKSlot *slot, CK_ME
if (hashObj == NULL) {
return PR_FALSE;
}
+ /* cap the salt for legacy keys */
+ if ((keyLength <= 1024) && (pss->sLen > 63)) {
+ return PR_FALSE;
+ }
+ /* cap the salt for based on the hash */
if (pss->sLen > hashObj->length) {
return PR_FALSE;
}
- return PR_TRUE;
+ return sftk_CheckFIPSHash(pss->hashAlg);
}
case SFTKFIPSPBKDF2: {
/* PBKDF2 must have the following addition restrictions
@@ -2486,6 +2507,13 @@ sftk_handleSpecial(SFTKSlot *slot, CK_ME
}
return PR_TRUE;
}
+ /* check the hash mechanisms to make sure they themselves are FIPS */
+ case SFTKFIPSChkHash:
+ if (mech->ulParameterLen < mechInfo->offset +sizeof(CK_ULONG)) {
+ return PR_FALSE;
+ }
+ return sftk_CheckFIPSHash(*(CK_ULONG *)(((char *)mech->pParameter)
+ + mechInfo->offset));
default:
break;
}
@@ -2496,7 +2524,7 @@ sftk_handleSpecial(SFTKSlot *slot, CK_ME
PRBool
sftk_operationIsFIPS(SFTKSlot *slot, CK_MECHANISM *mech, CK_ATTRIBUTE_TYPE op,
- SFTKObject *source)
+ SFTKObject *source, CK_ULONG targetKeyLength)
{
#ifndef NSS_HAS_FIPS_INDICATORS
return PR_FALSE;
@@ -2528,13 +2556,17 @@ sftk_operationIsFIPS(SFTKSlot *slot, CK_
SFTKFIPSAlgorithmList *mechs = &sftk_fips_mechs[i];
/* if we match the number of records exactly, then we are an
* approved algorithm in the approved mode with an approved key */
- if (((mech->mechanism == mechs->type) &&
- (opFlags == (mechs->info.flags & opFlags)) &&
- (keyLength <= mechs->info.ulMaxKeySize) &&
- (keyLength >= mechs->info.ulMinKeySize) &&
- ((keyLength - mechs->info.ulMinKeySize) % mechs->step) == 0) &&
+ if ((mech->mechanism == mechs->type) &&
+ (opFlags == (mechs->info.flags & opFlags)) &&
+ (keyLength <= mechs->info.ulMaxKeySize) &&
+ (keyLength >= mechs->info.ulMinKeySize) &&
+ (((keyLength - mechs->info.ulMinKeySize) % mechs->step) == 0) &&
+ ((targetKeyLength == 0) ||
+ ((targetKeyLength <= mechs->info.ulMaxKeySize) &&
+ (targetKeyLength >= mechs->info.ulMinKeySize) &&
+ ((targetKeyLength - mechs->info.ulMinKeySize) % mechs->step) == 0)) &&
((mechs->special == SFTKFIPSNone) ||
- sftk_handleSpecial(slot, mech, mechs, source))) {
+ sftk_handleSpecial(slot, mech, mechs, source, keyLength, targetKeyLength))) {
return PR_TRUE;
}
}
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