From 8294e68be208f2b6570b58c0caa0a58e6f391348 Mon Sep 17 00:00:00 2001 From: Nikos Mavrogiannopoulos Date: Mon, 29 May 2017 15:23:21 +0200 Subject: tests: added tests signature validation using the sign/verify_data APIs Signed-off-by: Nikos Mavrogiannopoulos --- tests/Makefile.am | 2 +- tests/x509sign-verify-data.c | 200 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 201 insertions(+), 1 deletion(-) create mode 100644 tests/x509sign-verify-data.c diff --git a/tests/Makefile.am b/tests/Makefile.am index fea0732d65..4fe1247fe0 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -99,7 +99,7 @@ ctests = mini-record-2 simple gc set_pkcs12_cred cert certuniqueid \ mini-dtls-heartbeat mini-x509-callbacks key-openssl priorities \ mini-dtls-srtp rsa-encrypt-decrypt mini-loss-time gnutls-strcodes \ mini-record mini-dtls-record mini-handshake-timeout mini-record-range \ - mini-cert-status rsa-psk global-init sec-params \ + mini-cert-status rsa-psk global-init sec-params x509sign-verify-data \ fips-test mini-global-load name-constraints x509-extensions \ long-session-id mini-x509-callbacks-intr mini-dtls-lowmtu \ crlverify mini-dtls-discard init_fds mini-record-failure \ diff --git a/tests/x509sign-verify-data.c b/tests/x509sign-verify-data.c new file mode 100644 index 0000000000..b638146cc3 --- /dev/null +++ b/tests/x509sign-verify-data.c @@ -0,0 +1,200 @@ +/* + * Copyright (C) 2017 Red Hat, Inc. + * + * Author: Nikos Mavrogiannopoulos + * + * This file is part of GnuTLS. + * + * GnuTLS is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * GnuTLS is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GnuTLS; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#ifndef _WIN32 +# include +# include +# include +#endif +#include +#include +#include +#include +#include "cert-common.h" +#include "utils.h" + +/* verifies whether the sign-data and verify-data APIs + * operate as expected */ + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "<%d> %s", level, str); +} + +/* sha1 hash of "hello" string */ +const gnutls_datum_t raw_data = { + (void *) + "\xaa\xf4\xc6\x1d\xdc\xc5\xe8\xa2\xda\xbe" + "\xde\x0f\x3b\x48\x2c\xd9\xae\xa9\x43\x4d", + 20 +}; + +const gnutls_datum_t invalid_raw_data = { + (void *) + "\xaa\xf4\xc6\x1d\xdc\xc5\xe8\xa2\xda\xbe" + "\xde\x0f\x3b\x48\x3c\xd9\xae\xa9\x43\x4d", + 20 +}; + +struct tests_st { + const char *name; + gnutls_datum_t key; + gnutls_datum_t cert; + gnutls_pk_algorithm_t pk; + unsigned digest; + unsigned sigalgo; + unsigned sign_flags; +}; + +struct tests_st tests[] = { + { + .name = "rsa key", + .cert = {(void *) cli_ca3_cert_pem, sizeof(cli_ca3_cert_pem)-1}, + .key = {(void *) cli_ca3_key_pem, sizeof(cli_ca3_key_pem)-1}, + .pk = GNUTLS_PK_RSA, + .digest = GNUTLS_DIG_SHA256, + .sigalgo = GNUTLS_SIGN_RSA_SHA256 + }, + { + .name = "ecdsa key", + .key = {(void *) server_ca3_ecc_key_pem, sizeof(server_ca3_ecc_key_pem)-1}, + .cert = {(void *) server_localhost_ca3_ecc_cert_pem, sizeof(server_localhost_ca3_ecc_cert_pem)-1}, + .pk = GNUTLS_PK_ECDSA, + .digest = GNUTLS_DIG_SHA256, + .sigalgo = GNUTLS_SIGN_ECDSA_SHA256 + }, + { + .name = "rsa pss key", + .key = {(void *) server_ca3_rsa_pss_key_pem, sizeof(server_ca3_rsa_pss_key_pem)-1}, + .cert = {(void *) server_ca3_rsa_pss_cert_pem, sizeof(server_ca3_rsa_pss_cert_pem)-1}, + .pk = GNUTLS_PK_RSA_PSS, + .digest = GNUTLS_DIG_SHA256, + .sign_flags = GNUTLS_PRIVKEY_SIGN_FLAG_RSA_PSS, + .sigalgo = GNUTLS_SIGN_RSA_PSS_SHA256 + } +}; + +#define testfail(fmt, ...) \ + fail("%s: "fmt, tests[i].name, ##__VA_ARGS__) + +void doit(void) +{ + gnutls_x509_crt_t crt; + gnutls_pubkey_t pubkey; + gnutls_privkey_t privkey; + gnutls_sign_algorithm_t sign_algo; + gnutls_datum_t signature; + int ret; + size_t i; + + global_init(); + + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(6); + + for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) { + if (debug) + success("loop %d\n", (int) i); + + ret = gnutls_pubkey_init(&pubkey); + if (ret < 0) + testfail("gnutls_privkey_init\n"); + + ret = gnutls_privkey_init(&privkey); + if (ret < 0) + testfail("gnutls_pubkey_init\n"); + + ret = gnutls_privkey_import_x509_raw(privkey, &tests[i].key, GNUTLS_X509_FMT_PEM, NULL, 0); + if (ret < 0) + testfail("gnutls_privkey_import_x509\n"); + + ret = gnutls_privkey_sign_data(privkey, tests[i].digest, tests[i].sign_flags, + &raw_data, &signature); + if (ret < 0) + testfail("gnutls_x509_privkey_sign_hash\n"); + + ret = gnutls_x509_crt_init(&crt); + if (ret < 0) + testfail("gnutls_x509_crt_init\n"); + + ret = + gnutls_x509_crt_import(crt, &tests[i].cert, + GNUTLS_X509_FMT_PEM); + if (ret < 0) + testfail("gnutls_x509_crt_import\n"); + + ret = gnutls_pubkey_import_x509(pubkey, crt, 0); + if (ret < 0) + testfail("gnutls_x509_pubkey_import\n"); + + ret = + gnutls_pubkey_verify_data2(pubkey, tests[i].sigalgo, 0, &raw_data, + &signature); + if (ret < 0) + testfail("gnutls_x509_pubkey_verify_data2\n"); + + /* should fail */ + ret = + gnutls_pubkey_verify_data2(pubkey, tests[i].sigalgo, 0, + &invalid_raw_data, + &signature); + if (ret != GNUTLS_E_PK_SIG_VERIFY_FAILED) + testfail("gnutls_x509_pubkey_verify_data2-2 (hashed data)\n"); + + sign_algo = + gnutls_pk_to_sign(gnutls_pubkey_get_pk_algorithm + (pubkey, NULL), tests[i].digest); + ret = + gnutls_pubkey_verify_data2(pubkey, sign_algo, 0, + &raw_data, &signature); + if (ret < 0) + testfail("gnutls_x509_pubkey_verify_data2-1 (hashed data)\n"); + + /* should fail */ + ret = + gnutls_pubkey_verify_data2(pubkey, sign_algo, 0, + &invalid_raw_data, + &signature); + if (ret != GNUTLS_E_PK_SIG_VERIFY_FAILED) + testfail("gnutls_x509_pubkey_verify_data2-2 (hashed data)\n"); + + /* test the raw interface */ + gnutls_free(signature.data); + signature.data = NULL; + + gnutls_free(signature.data); + gnutls_x509_crt_deinit(crt); + gnutls_privkey_deinit(privkey); + gnutls_pubkey_deinit(pubkey); + } + + gnutls_global_deinit(); +} -- cgit v1.2.1