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/*
* 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 <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#ifndef _WIN32
# include <netinet/in.h>
# include <sys/socket.h>
# include <arpa/inet.h>
#endif
#include <unistd.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include <gnutls/abstract.h>
#include "common-key-tests.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 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 tests common_key_tests
#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].pk == GNUTLS_PK_RSA_PSS)
continue;
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();
}
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