From 3f204e2e3c5ba3186e7c5d6df2e0935a41351dda Mon Sep 17 00:00:00 2001 From: Nikos Mavrogiannopoulos Date: Tue, 30 May 2017 19:25:11 +0200 Subject: tests: added basic test on "external" keys with gnutls_privkey_import_ext2() Signed-off-by: Nikos Mavrogiannopoulos --- tests/Makefile.am | 2 +- tests/sign-verify-ext.c | 288 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 289 insertions(+), 1 deletion(-) create mode 100644 tests/sign-verify-ext.c diff --git a/tests/Makefile.am b/tests/Makefile.am index 8e73ee7392..3ad0c84bae 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -111,7 +111,7 @@ ctests = mini-record-2 simple gc set_pkcs12_cred cert certuniqueid \ mini-record-retvals mini-server-name tls-etm x509-cert-callback \ sign-md5-rep privkey-keygen mini-tls-nonblock no-signal pkcs7-gen dtls-etm \ x509sign-verify-rsa x509sign-verify-ecdsa mini-alignment oids atfork prf psk-file \ - status-request status-request-ok status-request-missing \ + status-request status-request-ok status-request-missing sign-verify-ext \ fallback-scsv pkcs8-key-decode urls dtls-rehandshake-cert \ key-usage-rsa key-usage-ecdhe-rsa mini-session-verify-function auto-verify \ record-timeouts mini-dtls-hello-verify-48 mini-x509-default-prio \ diff --git a/tests/sign-verify-ext.c b/tests/sign-verify-ext.c new file mode 100644 index 0000000000..08990be6d3 --- /dev/null +++ b/tests/sign-verify-ext.c @@ -0,0 +1,288 @@ +/* + * Copyright (C) 2017 Nikos Mavrogiannopoulos + * + * 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 + */ + +/* This tests the gnutls_privkey_import_ext2() APIs */ + +#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" + +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 sha1_hash_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 sha256_hash_data = { + (void *) + "\x2c\xf2\x4d\xba\x5f\xb0\xa3\x0e\x26\xe8\x3b\x2a\xc5\xb9\xe2\x9e" + "\x1b\x16\x1e\x5c\x1f\xa7\x42\x5e\x73\x04\x33\x62\x93\x8b\x98\x24", + 32 +}; + +const gnutls_datum_t raw_data = { + (void *) "hello", + 5 +}; + +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 = "dsa key", + .key = {(void *) clidsa_ca3_key_pem, sizeof(clidsa_ca3_key_pem)-1}, + .cert = {(void *) clidsa_ca3_cert_pem, sizeof(clidsa_ca3_cert_pem)-1}, + .pk = GNUTLS_PK_DSA, + .digest = GNUTLS_DIG_SHA1, + .sigalgo = GNUTLS_SIGN_DSA_SHA1 + }, + { + .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 + }, +#if 0 + { + .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 + } +#endif +}; + +struct key_cb_data { + gnutls_privkey_t rkey; /* the real thing */ +}; + +static +int key_cb_sign_func (gnutls_privkey_t key, void* userdata, const gnutls_datum_t * data, + gnutls_datum_t * signature) +{ + struct key_cb_data *p = userdata; + + return gnutls_privkey_sign_hash(p->rkey, 0, GNUTLS_PRIVKEY_SIGN_FLAG_TLS1_RSA, data, signature); +} + +static void key_cb_deinit_func(gnutls_privkey_t key, void* userdata) +{ + struct key_cb_data *p = userdata; + gnutls_privkey_deinit(p->rkey); + free(userdata); +} + +static gnutls_privkey_t load_virt_privkey(const gnutls_datum_t *txtkey, gnutls_pk_algorithm_t pk) +{ + gnutls_privkey_t privkey; + struct key_cb_data *userdata; + int ret; + + userdata = calloc(1, sizeof(struct key_cb_data)); + if (userdata == NULL) { + fail("memory error\n"); + } + + ret = gnutls_privkey_init(&privkey); + if (ret < 0) + fail("gnutls_privkey_init\n"); + + ret = gnutls_privkey_init(&userdata->rkey); + if (ret < 0) + fail("gnutls_privkey_init\n"); + + ret = + gnutls_privkey_import_x509_raw(userdata->rkey, txtkey, GNUTLS_X509_FMT_PEM, NULL, 0); + if (ret < 0) + fail("gnutls_privkey_import\n"); + + ret = gnutls_privkey_import_ext2(privkey, pk, userdata, key_cb_sign_func, NULL, key_cb_deinit_func, GNUTLS_PRIVKEY_IMPORT_AUTO_RELEASE); + if (ret < 0) + fail("gnutls_privkey_import_ext2\n"); + + return privkey; +} + +#define testfail(fmt, ...) \ + fail("%s: "fmt, tests[i].name, ##__VA_ARGS__) + +void doit(void) +{ + gnutls_pubkey_t pubkey; + gnutls_privkey_t privkey; + gnutls_sign_algorithm_t sign_algo; + gnutls_datum_t signature; + gnutls_datum_t signature2; + int ret; + size_t i; + const gnutls_datum_t *hash_data; + + 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: %s\n", (int) i, tests[i].name); + + if (tests[i].digest == GNUTLS_DIG_SHA1) { + hash_data = &sha1_hash_data; + } else { + hash_data = &sha256_hash_data; + } + + privkey = load_virt_privkey(&tests[i].key, tests[i].pk); + + ret = gnutls_pubkey_init(&pubkey); + if (ret < 0) + testfail("gnutls_privkey_init\n"); + + ret = gnutls_privkey_sign_hash(privkey, tests[i].digest, tests[i].sign_flags, + hash_data, &signature2); + if (ret < 0) + testfail("gnutls_privkey_sign_hash\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_pubkey_import_x509_raw(pubkey, &tests[i].cert, GNUTLS_X509_FMT_PEM, 0); + if (ret < 0) + testfail("gnutls_x509_pubkey_import\n"); + + ret = + gnutls_pubkey_verify_hash2(pubkey, tests[i].sigalgo, GNUTLS_VERIFY_ALLOW_SIGN_WITH_SHA1, hash_data, + &signature); + if (ret < 0) + testfail("gnutls_pubkey_verify_hash2\n"); + + ret = + gnutls_pubkey_verify_hash2(pubkey, tests[i].sigalgo, GNUTLS_VERIFY_ALLOW_SIGN_WITH_SHA1, hash_data, + &signature2); + if (ret < 0) + testfail("gnutls_pubkey_verify_hash2-1 (hashed data)\n"); + + /* test the raw interface */ + gnutls_free(signature.data); + signature.data = NULL; + gnutls_free(signature2.data); + signature2.data = NULL; + + if (gnutls_pubkey_get_pk_algorithm(pubkey, NULL) == + GNUTLS_PK_RSA) { + + ret = + gnutls_privkey_sign_hash(privkey, + tests[i].digest, + GNUTLS_PRIVKEY_SIGN_FLAG_TLS1_RSA, + hash_data, + &signature); + if (ret < 0) + testfail("gnutls_privkey_sign_hash: %s\n", + gnutls_strerror(ret)); + + sign_algo = + gnutls_pk_to_sign + (gnutls_pubkey_get_pk_algorithm(pubkey, NULL), + tests[i].digest); + + ret = + gnutls_pubkey_verify_hash2(pubkey, sign_algo, + GNUTLS_PUBKEY_VERIFY_FLAG_TLS1_RSA, + hash_data, + &signature); + if (ret < 0) + testfail("gnutls_pubkey_verify_hash-3 (raw hashed data)\n"); + + gnutls_free(signature.data); + /* test the legacy API */ + ret = + gnutls_privkey_sign_raw_data(privkey, 0, + hash_data, + &signature); + if (ret < 0) + testfail("gnutls_privkey_sign_raw_data: %s\n", + gnutls_strerror(ret)); + + ret = + gnutls_pubkey_verify_hash2(pubkey, sign_algo, + GNUTLS_PUBKEY_VERIFY_FLAG_TLS1_RSA, + hash_data, + &signature); + if (ret < 0) + testfail("gnutls_pubkey_verify_hash-4 (legacy raw hashed data)\n"); + } + gnutls_free(signature.data); + gnutls_free(signature2.data); + gnutls_privkey_deinit(privkey); + gnutls_pubkey_deinit(pubkey); + } + + gnutls_global_deinit(); +} -- cgit v1.2.1