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/*
* Copyright (C) 2008-2012 Free Software Foundation, Inc.
* Copyright (C) 2017 Red Hat, Inc.
*
* Author: David Marín Carreño
*
* 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 Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include <gnutls/abstract.h>
#include <assert.h>
#include "utils.h"
#define MAX_TRIES 2
/* This tests the key generation, as well as the sign/verification
* functionality of the supported public key algorithms.
*/
static int sec_param[MAX_TRIES] =
#ifdef ENABLE_FIPS140
{ GNUTLS_SEC_PARAM_MEDIUM, GNUTLS_SEC_PARAM_HIGH };
#else
{ GNUTLS_SEC_PARAM_LOW, GNUTLS_SEC_PARAM_MEDIUM };
#endif
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s |<%d>| %s", "privkey-keygen", level, str);
}
const gnutls_datum_t raw_data = {
(void *) "hello there",
11
};
static void sign_verify_data(gnutls_pk_algorithm_t algorithm, gnutls_x509_privkey_t pkey)
{
int ret;
gnutls_privkey_t privkey;
gnutls_pubkey_t pubkey;
gnutls_datum_t signature;
gnutls_digest_algorithm_t digest;
unsigned vflags = 0;
assert(gnutls_privkey_init(&privkey) >= 0);
ret = gnutls_privkey_import_x509(privkey, pkey, 0);
if (ret < 0)
fail("gnutls_privkey_import_x509\n");
assert(gnutls_pubkey_init(&pubkey) >= 0);
ret = gnutls_pubkey_import_privkey(pubkey, privkey, 0, 0);
if (ret < 0)
fail("gnutls_pubkey_import_privkey\n");
ret = gnutls_pubkey_get_preferred_hash_algorithm (pubkey, &digest, NULL);
if (ret < 0)
fail("gnutls_pubkey_get_preferred_hash_algorithm\n");
if (digest == GNUTLS_DIG_GOSTR_94)
vflags |= GNUTLS_VERIFY_ALLOW_BROKEN;
/* sign arbitrary data */
ret = gnutls_privkey_sign_data(privkey, digest, 0,
&raw_data, &signature);
if (ret < 0)
fail("gnutls_privkey_sign_data\n");
/* verify data */
ret = gnutls_pubkey_verify_data2(pubkey, gnutls_pk_to_sign(gnutls_pubkey_get_pk_algorithm(pubkey, NULL),digest),
vflags, &raw_data, &signature);
if (ret < 0)
fail("gnutls_pubkey_verify_data2\n");
gnutls_pubkey_deinit(pubkey);
gnutls_privkey_deinit(privkey);
gnutls_free(signature.data);
}
static unsigned int
is_approved_pk_algo(gnutls_pk_algorithm_t algo) {
switch (algo) {
case GNUTLS_PK_RSA:
case GNUTLS_PK_RSA_PSS:
case GNUTLS_PK_EC:
return 1;
default:
return 0;
}
}
void doit(void)
{
gnutls_x509_privkey_t pkey, dst;
int ret, algorithm, i;
gnutls_fips140_context_t fips_context;
gnutls_fips140_operation_state_t fips_state;
#define FIPS_PUSH_CONTEXT() do { \
if (gnutls_fips140_mode_enabled()) { \
ret = gnutls_fips140_push_context(fips_context); \
if (ret < 0) { \
fail("gnutls_fips140_push_context failed\n"); \
} \
} \
} while (0)
#define FIPS_POP_CONTEXT(state) do { \
if (gnutls_fips140_mode_enabled()) { \
ret = gnutls_fips140_pop_context(); \
if (ret < 0) { \
fail("gnutls_fips140_context_pop failed\n"); \
} \
fips_state = gnutls_fips140_get_operation_state(fips_context); \
if (fips_state != GNUTLS_FIPS140_OP_ ## state) { \
fail("operation state is not " # state " (%d)\n", \
fips_state); \
} \
} \
} while (0)
ret = global_init();
if (ret < 0)
fail("global_init: %d\n", ret);
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
ret = gnutls_fips140_context_init(&fips_context);
if (ret < 0) {
fail("Cannot initialize FIPS context\n");
}
for (i = 0; i < MAX_TRIES; i++) {
for (algorithm = GNUTLS_PK_RSA; algorithm <= GNUTLS_PK_MAX;
algorithm++) {
if (algorithm == GNUTLS_PK_DH ||
algorithm == GNUTLS_PK_ECDH_X25519 ||
algorithm == GNUTLS_PK_ECDH_X448)
continue;
if (algorithm == GNUTLS_PK_GOST_01 ||
algorithm == GNUTLS_PK_GOST_12_256 ||
algorithm == GNUTLS_PK_GOST_12_512) {
/* Skip GOST algorithms:
* - If they are disabled by ./configure option
* - Or in FIPS140 mode
*/
#ifdef ENABLE_GOST
if (gnutls_fips140_mode_enabled())
continue;
#else
continue;
#endif
}
ret = gnutls_x509_privkey_init(&pkey);
if (ret < 0) {
fail("gnutls_x509_privkey_init: %d\n",
ret);
}
ret = gnutls_x509_privkey_init(&dst);
if (ret < 0) {
fail("gnutls_x509_privkey_init: %d\n",
ret);
}
FIPS_PUSH_CONTEXT();
ret =
gnutls_x509_privkey_generate(pkey, algorithm,
gnutls_sec_param_to_pk_bits
(algorithm,
sec_param[i]),
0);
if (ret < 0) {
fail("gnutls_x509_privkey_generate (%s-%d): %s (%d)\n", gnutls_pk_algorithm_get_name(algorithm),
gnutls_sec_param_to_pk_bits(algorithm,sec_param[i]), gnutls_strerror(ret), ret);
} else if (debug) {
success("Key[%s] generation ok: %d\n",
gnutls_pk_algorithm_get_name
(algorithm), ret);
}
if (is_approved_pk_algo(algorithm)) {
FIPS_POP_CONTEXT(APPROVED);
} else {
FIPS_POP_CONTEXT(NOT_APPROVED);
}
ret = gnutls_x509_privkey_verify_params(pkey);
if (ret < 0) {
fail("gnutls_x509_privkey_generate (%s): %s (%d)\n", gnutls_pk_algorithm_get_name(algorithm), gnutls_strerror(ret), ret);
}
/* include test of cpy */
ret = gnutls_x509_privkey_cpy(dst, pkey);
if (ret < 0) {
fail("gnutls_x509_privkey_cpy (%s): %s (%d)\n", gnutls_pk_algorithm_get_name(algorithm), gnutls_strerror(ret), ret);
}
ret = gnutls_x509_privkey_verify_params(pkey);
if (ret < 0) {
fail("gnutls_x509_privkey_generate after cpy (%s): %s (%d)\n", gnutls_pk_algorithm_get_name(algorithm), gnutls_strerror(ret), ret);
}
FIPS_PUSH_CONTEXT();
sign_verify_data(algorithm, pkey);
if (is_approved_pk_algo(algorithm)) {
FIPS_POP_CONTEXT(APPROVED);
} else {
FIPS_POP_CONTEXT(NOT_APPROVED);
}
FIPS_PUSH_CONTEXT();
sign_verify_data(algorithm, dst);
if (is_approved_pk_algo(algorithm)) {
FIPS_POP_CONTEXT(APPROVED);
} else {
FIPS_POP_CONTEXT(NOT_APPROVED);
}
gnutls_x509_privkey_deinit(pkey);
gnutls_x509_privkey_deinit(dst);
success("Generated key with %s-%d\n", gnutls_pk_algorithm_get_name(algorithm), gnutls_sec_param_to_pk_bits(algorithm,sec_param[i]));
}
}
gnutls_fips140_context_deinit(fips_context);
gnutls_global_deinit();
}
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