ecbb6574e1
OBS-URL: https://build.opensuse.org/package/show/mozilla:Factory/mozilla-nss?expand=0&rev=455
128 lines
4.4 KiB
Diff
128 lines
4.4 KiB
Diff
# HG changeset patch
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# Parent 5786c2bb5c229b530e95e435ee0cf51314359e7b
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Index: nss/lib/softoken/pkcs11c.c
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===================================================================
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--- nss.orig/lib/softoken/pkcs11c.c
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+++ nss/lib/softoken/pkcs11c.c
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@@ -5132,6 +5132,88 @@ pairwise_signverify_mech (CK_SESSION_HAN
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return crv;
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}
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+/* This function regenerates a public key from a private key
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+ * (not simply returning the saved public key) and compares it
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+ * to the given publicKey
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+ */
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+static CK_RV
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+regeneratePublicKeyFromPrivateKeyAndCompare(NSSLOWKEYPrivateKey *currPrivKey,
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+ NSSLOWKEYPublicKey *currPubKey)
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+{
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+ NSSLOWKEYPublicKey *pubk;
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+ SECItem publicValue;
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+ PLArenaPool *arena;
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+
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+ arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
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+ if (arena == NULL) {
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+ PORT_SetError(SEC_ERROR_NO_MEMORY);
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+ return CKR_HOST_MEMORY;
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+ }
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+
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+ switch (currPrivKey->keyType) {
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+ case NSSLOWKEYDHKey:
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+ pubk = (NSSLOWKEYPublicKey *)PORT_ArenaZAlloc(arena,
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+ sizeof(NSSLOWKEYPublicKey));
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+ if (pubk != NULL) {
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+ SECStatus rv;
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+
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+ pubk->arena = arena;
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+ pubk->keyType = currPrivKey->keyType;
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+
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+ // Regenerate the publicValue
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+ rv = DH_Derive(&currPrivKey->u.dh.base, &currPrivKey->u.dh.prime,
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+ &currPrivKey->u.dh.privateValue, &publicValue, 0);
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+ if (rv != SECSuccess) {
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+ break;
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+ }
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+ rv = SECITEM_CopyItem(arena, &pubk->u.dh.publicValue,
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+ &publicValue);
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+ SECITEM_ZfreeItem(&publicValue, PR_FALSE);
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+ if (rv != SECSuccess) {
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+ break;
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+ }
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+
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+ if (SECITEM_CompareItem(&pubk->u.dh.publicValue, &currPubKey->u.dh.publicValue) != SECEqual) {
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+ nsslowkey_DestroyPublicKey(pubk);
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+ return CKR_GENERAL_ERROR;
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+ }
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+ nsslowkey_DestroyPublicKey(pubk);
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+ return CKR_OK;
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+ }
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+ break;
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+ case NSSLOWKEYECKey:
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+ {
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+ ECPrivateKey *privk = NULL;
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+ SECStatus rv;
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+
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+ /* The "seed" is an octet stream corresponding to our private key.
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+ * The new public key is derived from this + the parameters and
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+ * stored in the new private key's publicValue. */
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+ rv = EC_NewKeyFromSeed (&currPrivKey->u.ec.ecParams,
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+ &privk,
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+ currPrivKey->u.ec.privateValue.data,
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+ currPrivKey->u.ec.privateValue.len);
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+ if (rv != SECSuccess)
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+ break;
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+
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+ /* Verify that the passed-in public value is equal to the one derived */
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+ if (SECITEM_CompareItem (&privk->publicValue, &currPubKey->u.ec.publicValue) != SECEqual) {
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+ PORT_FreeArena (privk->ecParams.arena, PR_TRUE);
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+ return CKR_GENERAL_ERROR;
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+ }
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+
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+ PORT_FreeArena (privk->ecParams.arena, PR_TRUE);
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+ return CKR_OK;
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+ }
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+ break;
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+ default:
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+ break;
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+ }
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+
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+ PORT_FreeArena(arena, PR_TRUE);
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+ return CKR_GENERAL_ERROR;
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+}
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+
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/*
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* FIPS 140-2 pairwise consistency check utilized to validate key pair.
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*
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@@ -5484,6 +5566,30 @@ sftk_PairwiseConsistencyCheck(CK_SESSION
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}
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}
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+ // Regenerate the publicKey from the privateKey and compare it to the
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+ // original publicKey
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+ if (keyType == CKK_DH || keyType == CKK_EC) {
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+ NSSLOWKEYPrivateKey *currPrivKey = sftk_GetPrivKey(privateKey, CKK_DH, &crv);
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+ if (crv != CKR_OK) {
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+ return crv;
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+ }
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+ if (!currPrivKey) {
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+ return CKR_DEVICE_ERROR;
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+ }
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+
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+ NSSLOWKEYPublicKey *currPubKey = sftk_GetPubKey(publicKey, CKK_DH, &crv);
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+ if (crv != CKR_OK) {
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+ return crv;
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+ }
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+ if (!currPubKey) {
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+ return CKR_DEVICE_ERROR;
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+ }
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+
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+ crv = regeneratePublicKeyFromPrivateKeyAndCompare(currPrivKey, currPubKey);
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+ if (crv != CKR_OK) {
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+ return crv;
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+ }
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+ }
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return CKR_OK;
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}
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