openssl/0085-FIPS-RSA-disable-shake.patch
Dmitry Belyavskiy 6c57fc8dcc SHAKE-128/256 are not allowed with RSA in FIPS mode
Resolves: rhbz#2144010
2022-11-21 10:23:09 +01:00

60 lines
1.9 KiB
Diff

diff -up openssl-3.0.1/crypto/rsa/rsa_oaep.c.oaep openssl-3.0.1/crypto/rsa/rsa_oaep.c
--- openssl-3.0.1/crypto/rsa/rsa_oaep.c.oaep 2022-11-14 13:45:05.970402064 +0100
+++ openssl-3.0.1/crypto/rsa/rsa_oaep.c 2022-11-14 13:51:20.725741198 +0100
@@ -78,8 +78,22 @@ int ossl_rsa_padding_add_PKCS1_OAEP_mgf1
return 0;
#endif
}
+
+#ifdef FIPS_MODULE
+ if (EVP_MD_is_a(md, "SHAKE-128") || EVP_MD_is_a(md, "SHAKE-256")) {
+ ERR_raise(ERR_LIB_RSA, RSA_R_DIGEST_NOT_ALLOWED);
+ return 0;
+ }
+#endif
if (mgf1md == NULL)
mgf1md = md;
+
+#ifdef FIPS_MODULE
+ if (EVP_MD_is_a(mgf1md, "SHAKE-128") || EVP_MD_is_a(mgf1md, "SHAKE-256")) {
+ ERR_raise(ERR_LIB_RSA, RSA_R_DIGEST_NOT_ALLOWED);
+ return 0;
+ }
+#endif
mdlen = EVP_MD_get_size(md);
if (mdlen <= 0) {
diff -up openssl-3.0.1/crypto/rsa/rsa_pss.c.oaep openssl-3.0.1/crypto/rsa/rsa_pss.c
--- openssl-3.0.1/crypto/rsa/rsa_pss.c.oaep 2022-11-15 14:53:11.103467808 +0100
+++ openssl-3.0.1/crypto/rsa/rsa_pss.c 2022-11-15 15:00:07.233966865 +0100
@@ -53,6 +53,14 @@ int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa,
if (mgf1Hash == NULL)
mgf1Hash = Hash;
+#ifdef FIPS_MODULE
+ if (EVP_MD_is_a(Hash, "SHAKE-128") || EVP_MD_is_a(Hash, "SHAKE-256"))
+ goto err;
+
+ if (EVP_MD_is_a(mgf1Hash, "SHAKE-128") || EVP_MD_is_a(mgf1Hash, "SHAKE-256"))
+ goto err;
+#endif
+
hLen = EVP_MD_get_size(Hash);
if (hLen < 0)
goto err;
@@ -164,6 +172,14 @@ int RSA_padding_add_PKCS1_PSS_mgf1(RSA *
if (mgf1Hash == NULL)
mgf1Hash = Hash;
+#ifdef FIPS_MODULE
+ if (EVP_MD_is_a(Hash, "SHAKE-128") || EVP_MD_is_a(Hash, "SHAKE-256"))
+ goto err;
+
+ if (EVP_MD_is_a(mgf1Hash, "SHAKE-128") || EVP_MD_is_a(mgf1Hash, "SHAKE-256"))
+ goto err;
+#endif
+
hLen = EVP_MD_get_size(Hash);
if (hLen < 0)
goto err;