gnutls/SOURCES/gnutls-3.7.6-fips-sha1-sigv...

110 lines
3.7 KiB
Diff

From cc7473a9ea185e072ab1bae0903c77bd7d7cf5bc Mon Sep 17 00:00:00 2001
From: rpm-build <rpm-build>
Date: Mon, 20 Nov 2023 07:45:42 +0900
Subject: [PATCH] gnutls-3.7.6-fips-sha1-sigver.patch
Signed-off-by: rpm-build <rpm-build>
---
lib/nettle/pk.c | 13 +++++--------
lib/pubkey.c | 3 ---
tests/fips-test.c | 8 ++++----
3 files changed, 9 insertions(+), 15 deletions(-)
diff --git a/lib/nettle/pk.c b/lib/nettle/pk.c
index 4ddfcff..36a7c24 100644
--- a/lib/nettle/pk.c
+++ b/lib/nettle/pk.c
@@ -1609,10 +1609,7 @@ static int _wrap_nettle_pk_verify(gnutls_pk_algorithm_t algo,
if (hash_len > vdata->size)
hash_len = vdata->size;
- /* SHA-1 is allowed for SigVer in FIPS 140-3 in legacy
- * mode */
switch (DIG_TO_MAC(sign_params->dsa_dig)) {
- case GNUTLS_MAC_SHA1:
case GNUTLS_MAC_SHA256:
case GNUTLS_MAC_SHA384:
case GNUTLS_MAC_SHA512:
@@ -1683,8 +1680,8 @@ static int _wrap_nettle_pk_verify(gnutls_pk_algorithm_t algo,
* 2048-bit or one of the known lengths (1024, 1280,
* 1536, 1792; i.e., multiple of 256-bits).
*
- * In addition to this, only SHA-1 and SHA-2 are allowed
- * for SigVer; it is checked in _pkcs1_rsa_verify_sig in
+ * In addition to this, only SHA-2 is allowed for
+ * SigVer; it is checked in _pkcs1_rsa_verify_sig in
* lib/pubkey.c.
*/
if (unlikely(bits < 2048 && bits != 1024 && bits != 1280 &&
@@ -1730,9 +1727,9 @@ static int _wrap_nettle_pk_verify(gnutls_pk_algorithm_t algo,
}
/* RSA modulus size should be 2048-bit or larger in FIPS
- * 140-3. In addition to this, only SHA-1 and SHA-2 are
- * allowed for SigVer, while Nettle only supports
- * SHA256, SHA384, and SHA512 for RSA-PSS (see
+ * 140-3. In addition to this, only SHA-2 is allowed
+ * for SigVer, while Nettle only supports SHA256,
+ * SHA384, and SHA512 for RSA-PSS (see
* _rsa_pss_verify_digest in this file for the details).
*/
if (unlikely(mpz_sizeinbase(pub.n, 2) < 2048)) {
diff --git a/lib/pubkey.c b/lib/pubkey.c
index 1139ad9..714806a 100644
--- a/lib/pubkey.c
+++ b/lib/pubkey.c
@@ -2452,10 +2452,7 @@ static int _pkcs1_rsa_verify_sig(gnutls_pk_algorithm_t pk,
d.size = digest_size;
if (pk == GNUTLS_PK_RSA) {
- /* SHA-1 is allowed for SigVer in FIPS 140-3 in legacy
- * mode */
switch (me->id) {
- case GNUTLS_MAC_SHA1:
case GNUTLS_MAC_SHA256:
case GNUTLS_MAC_SHA384:
case GNUTLS_MAC_SHA512:
diff --git a/tests/fips-test.c b/tests/fips-test.c
index 180da05..09120c1 100644
--- a/tests/fips-test.c
+++ b/tests/fips-test.c
@@ -596,7 +596,7 @@ void doit(void)
}
FIPS_POP_CONTEXT(NOT_APPROVED);
- /* Verify a signature created with 2432-bit RSA and SHA-1; approved */
+ /* Verify a signature created with 2432-bit RSA and SHA-1; not approved */
FIPS_PUSH_CONTEXT();
ret = gnutls_pubkey_verify_data2(pubkey, GNUTLS_SIGN_RSA_SHA1,
GNUTLS_VERIFY_ALLOW_SIGN_WITH_SHA1,
@@ -604,7 +604,7 @@ void doit(void)
if (ret < 0) {
fail("gnutls_pubkey_verify_data2 failed\n");
}
- FIPS_POP_CONTEXT(APPROVED);
+ FIPS_POP_CONTEXT(NOT_APPROVED);
gnutls_free(signature.data);
gnutls_pubkey_deinit(pubkey);
gnutls_privkey_deinit(privkey);
@@ -708,7 +708,7 @@ void doit(void)
}
FIPS_POP_CONTEXT(NOT_APPROVED);
- /* Verify a signature created with ECDSA and SHA-1; approved */
+ /* Verify a signature created with ECDSA and SHA-1; not approved */
FIPS_PUSH_CONTEXT();
ret = gnutls_pubkey_verify_data2(pubkey, GNUTLS_SIGN_ECDSA_SHA1,
GNUTLS_VERIFY_ALLOW_SIGN_WITH_SHA1,
@@ -716,7 +716,7 @@ void doit(void)
if (ret < 0) {
fail("gnutls_pubkey_verify_data2 failed\n");
}
- FIPS_POP_CONTEXT(APPROVED);
+ FIPS_POP_CONTEXT(NOT_APPROVED);
gnutls_free(signature.data);
/* Create a signature with ECDSA and SHA-1 (old API); not approved */
--
2.41.0