diff options
-rw-r--r-- | lib/tls-sig.c | 17 | ||||
-rw-r--r-- | tests/suite/tls-fuzzer/gnutls-cert.json | 6 |
2 files changed, 19 insertions, 4 deletions
diff --git a/lib/tls-sig.c b/lib/tls-sig.c index 75f88e5fbd..f512127ced 100644 --- a/lib/tls-sig.c +++ b/lib/tls-sig.c @@ -271,6 +271,7 @@ _gnutls_handshake_verify_data12(gnutls_session_t session, gnutls_datum_t dconcat; int ret; const version_entry_st *ver = get_version(session); + const gnutls_sign_entry_st *se = _gnutls_sign_to_entry(sign_algo); _gnutls_handshake_log ("HSK[%p]: verify TLS 1.2 handshake data: using %s\n", session, @@ -283,6 +284,12 @@ _gnutls_handshake_verify_data12(gnutls_session_t session, if (ret < 0) return gnutls_assert_val(ret); + if (unlikely(sign_supports_cert_pk_algorithm(se, cert->pubkey->params.algo) == 0)) { + _gnutls_handshake_log("HSK[%p]: certificate of %s cannot be combined with %s sig\n", + session, gnutls_pk_get_name(cert->pubkey->params.algo), se->name); + return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER); + } + ret = _gnutls_session_sign_algo_enabled(session, sign_algo); if (ret < 0) @@ -356,11 +363,18 @@ _gnutls_handshake_verify_crt_vrfy12(gnutls_session_t session, { int ret; gnutls_datum_t dconcat; + const gnutls_sign_entry_st *se = _gnutls_sign_to_entry(sign_algo); ret = _gnutls_session_sign_algo_enabled(session, sign_algo); if (ret < 0) return gnutls_assert_val(ret); + if (unlikely(sign_supports_cert_pk_algorithm(se, cert->pubkey->params.algo) == 0)) { + _gnutls_handshake_log("HSK[%p]: certificate of %s cannot be combined with %s sig\n", + session, gnutls_pk_get_name(cert->pubkey->params.algo), se->name); + return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER); + } + dconcat.data = session->internals.handshake_hash_buffer.data; dconcat.size = session->internals.handshake_hash_buffer_prev_len; @@ -567,6 +581,9 @@ _gnutls_handshake_sign_crt_vrfy12(gnutls_session_t session, gnutls_sign_algorithm_set_client(session, sign_algo); + if (unlikely(gnutls_sign_supports_pk_algorithm(sign_algo, pkey->pk_algorithm) == 0)) + return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER); + _gnutls_debug_log("sign handshake cert vrfy: picked %s\n", gnutls_sign_algorithm_get_name(sign_algo)); diff --git a/tests/suite/tls-fuzzer/gnutls-cert.json b/tests/suite/tls-fuzzer/gnutls-cert.json index f9de174699..c2b28c5569 100644 --- a/tests/suite/tls-fuzzer/gnutls-cert.json +++ b/tests/suite/tls-fuzzer/gnutls-cert.json @@ -37,13 +37,11 @@ "-p", "@PORT@"] }, {"name" : "test-rsa-pss-sigs-on-certificate-verify.py", - "comment" : "FIXME: We shouldn't allow rsa_pss_pss* schemes as there is only RSA key #645", + "comment": "tlsfuzzer doesn't know ed25519 scheme which we advertise", "arguments" : ["-k", "tests/clientX509Key.pem", "-c", "tests/clientX509Cert.pem", "-e", "check CertificateRequest sigalgs", - "-e", "rsa_pss_pss_sha256 in CertificateVerify with rsa key", - "-e", "rsa_pss_pss_sha384 in CertificateVerify with rsa key", - "-e", "rsa_pss_pss_sha512 in CertificateVerify with rsa key", + "--illegpar", "-n", "100", "-p", "@PORT@"] }, |