[gnutls-devel] GnuTLS | Add support for AES CFB8 cipher (!783)

Development of GNU's TLS library gnutls-devel at lists.gnutls.org
Thu Oct 25 23:31:41 CEST 2018

@simo5 Yes, AES-CFB8 is allowed in FIPS 140-2 mode, but you did not mark it so.
Please apply the following patch:
diff --git a/lib/fips.h b/lib/fips.h
index 7d3f3cfd3960..4e09916ac44e 100644
--- a/lib/fips.h
+++ b/lib/fips.h
@@ -139,6 +139,9 @@ static unsigned is_cipher_algo_forbidden(gnutls_cipher_algorithm_t algo)
                        case GNUTLS_CIPHER_3DES_CBC:
                        case GNUTLS_CIPHER_AES_128_CCM_8:
                        case GNUTLS_CIPHER_AES_256_CCM_8:
+                       case GNUTLS_CIPHER_AES_128_CFB8:
+                       case GNUTLS_CIPHER_AES_192_CFB8:
+                       case GNUTLS_CIPHER_AES_256_CFB8:
                                return 0;
                                if (mode == GNUTLS_FIPS140_LAX)

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