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/*
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* Copyright (C) 2017 Red Hat, Inc.
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*
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* Author: Nikos Mavrogiannopoulos
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*
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* This file is part of GnuTLS.
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*
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* GnuTLS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuTLS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>
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*/
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/* This tests the gnutls_privkey_import_ext4() APIs */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#ifndef _WIN32
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# include <netinet/in.h>
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# include <sys/socket.h>
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# include <arpa/inet.h>
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#endif
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#include <unistd.h>
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#include <gnutls/gnutls.h>
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#include <gnutls/x509.h>
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#include <gnutls/abstract.h>
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#include "common-key-tests.h"
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#include "utils.h"
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static void tls_log_func(int level, const char *str)
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{
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fprintf(stderr, "<%d> %s", level, str);
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}
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/* sha1 hash of "hello" string */
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const gnutls_datum_t sha1_hash_data = {
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(void *)
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"\xaa\xf4\xc6\x1d\xdc\xc5\xe8\xa2\xda\xbe"
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"\xde\x0f\x3b\x48\x2c\xd9\xae\xa9\x43\x4d",
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20
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};
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const gnutls_datum_t sha256_hash_data = {
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(void *)
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"\x2c\xf2\x4d\xba\x5f\xb0\xa3\x0e\x26\xe8\x3b\x2a\xc5\xb9\xe2\x9e"
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"\x1b\x16\x1e\x5c\x1f\xa7\x42\x5e\x73\x04\x33\x62\x93\x8b\x98\x24",
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32
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};
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const gnutls_datum_t raw_data = {
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(void *) "hello",
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5
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};
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struct key_cb_data {
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gnutls_privkey_t rkey; /* the real thing */
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unsigned pk;
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unsigned sig;
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unsigned bits;
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};
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static int key_cb_info_func(gnutls_privkey_t key, unsigned int flags, void *userdata)
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{
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struct key_cb_data *p = userdata;
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if (flags & GNUTLS_PRIVKEY_INFO_PK_ALGO)
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return p->pk;
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else if (flags & GNUTLS_PRIVKEY_INFO_PK_ALGO_BITS)
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return p->bits;
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else if (flags & GNUTLS_PRIVKEY_INFO_HAVE_SIGN_ALGO) {
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unsigned sig = GNUTLS_FLAGS_TO_SIGN_ALGO(flags);
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if (sig == p->sig)
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return 1;
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return 0;
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}
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return -1;
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}
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static
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int key_cb_sign_data_func (gnutls_privkey_t key, gnutls_sign_algorithm_t sig,
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void* userdata, unsigned int flags, const gnutls_datum_t *data,
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gnutls_datum_t *signature)
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{
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struct key_cb_data *p = userdata;
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if (debug)
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fprintf(stderr, "signing data with: %s\n", gnutls_sign_get_name(sig));
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return gnutls_privkey_sign_data2(p->rkey, sig, 0, data, signature);
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}
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static
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int key_cb_sign_hash_func (gnutls_privkey_t key, gnutls_sign_algorithm_t sig,
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void* userdata, unsigned int flags, const gnutls_datum_t *data,
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gnutls_datum_t *signature)
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{
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struct key_cb_data *p = userdata;
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if (sig == GNUTLS_SIGN_RSA_RAW) {
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if (debug)
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fprintf(stderr, "signing digestinfo with: raw RSA\n");
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return gnutls_privkey_sign_hash(p->rkey, 0, GNUTLS_PRIVKEY_SIGN_FLAG_TLS1_RSA, data, signature);
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} else {
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if (debug)
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fprintf(stderr, "signing hash with: %s\n", gnutls_sign_get_name(sig));
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return gnutls_privkey_sign_hash2(p->rkey, sig, 0, data, signature);
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}
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}
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static void key_cb_deinit_func(gnutls_privkey_t key, void* userdata)
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{
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struct key_cb_data *p = userdata;
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gnutls_privkey_deinit(p->rkey);
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free(userdata);
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}
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static gnutls_privkey_t load_virt_privkey(const gnutls_datum_t *txtkey, gnutls_pk_algorithm_t pk,
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gnutls_sign_algorithm_t sig)
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{
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gnutls_privkey_t privkey;
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struct key_cb_data *userdata;
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int ret;
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userdata = calloc(1, sizeof(struct key_cb_data));
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if (userdata == NULL) {
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fail("memory error\n");
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}
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ret = gnutls_privkey_init(&privkey);
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if (ret < 0)
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fail("gnutls_privkey_init\n");
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ret = gnutls_privkey_init(&userdata->rkey);
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if (ret < 0)
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fail("gnutls_privkey_init\n");
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ret =
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gnutls_privkey_import_x509_raw(userdata->rkey, txtkey, GNUTLS_X509_FMT_PEM, NULL, 0);
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if (ret < 0)
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fail("gnutls_privkey_import\n");
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gnutls_privkey_get_pk_algorithm(userdata->rkey, &userdata->bits);
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userdata->pk = pk;
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userdata->sig = sig;
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ret = gnutls_privkey_import_ext4(privkey, userdata,
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key_cb_sign_data_func,
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key_cb_sign_hash_func,
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NULL,
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key_cb_deinit_func, key_cb_info_func,
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GNUTLS_PRIVKEY_IMPORT_AUTO_RELEASE);
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if (ret < 0)
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fail("gnutls_privkey_import_ext4\n");
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return privkey;
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}
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#define tests common_key_tests
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#define testfail(fmt, ...) \
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fail("%s: "fmt, tests[i].name, ##__VA_ARGS__)
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void doit(void)
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{
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gnutls_pubkey_t pubkey;
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gnutls_privkey_t privkey;
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gnutls_sign_algorithm_t sign_algo;
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gnutls_datum_t signature;
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gnutls_datum_t signature2;
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int ret;
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size_t i;
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const gnutls_datum_t *hash_data;
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global_init();
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gnutls_global_set_log_function(tls_log_func);
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if (debug)
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gnutls_global_set_log_level(6);
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for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
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if (debug)
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success("loop %d: %s\n", (int) i, tests[i].name);
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if (tests[i].digest == GNUTLS_DIG_SHA1) {
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hash_data = &sha1_hash_data;
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} else {
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hash_data = &sha256_hash_data;
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}
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privkey = load_virt_privkey(&tests[i].key, tests[i].pk, tests[i].sigalgo);
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ret = gnutls_pubkey_init(&pubkey);
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if (ret < 0)
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testfail("gnutls_privkey_init\n");
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ret = gnutls_privkey_sign_data2(privkey, tests[i].sigalgo, tests[i].sign_flags,
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&raw_data, &signature);
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if (ret < 0)
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testfail("gnutls_x509_privkey_sign_hash\n");
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ret = gnutls_pubkey_import_x509_raw(pubkey, &tests[i].cert, GNUTLS_X509_FMT_PEM, 0);
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if (ret < 0)
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testfail("gnutls_x509_pubkey_import\n");
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ret =
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gnutls_pubkey_verify_data2(pubkey, tests[i].sigalgo, GNUTLS_VERIFY_ALLOW_SIGN_WITH_SHA1, &raw_data,
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&signature);
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if (ret < 0)
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testfail("gnutls_pubkey_verify_data2\n");
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gnutls_free(signature.data);
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if (!tests[i].data_only) {
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ret = gnutls_privkey_sign_hash(privkey, tests[i].digest, tests[i].sign_flags,
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hash_data, &signature2);
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if (ret < 0)
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testfail("gnutls_privkey_sign_hash\n");
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ret =
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gnutls_pubkey_verify_hash2(pubkey, tests[i].sigalgo, GNUTLS_VERIFY_ALLOW_SIGN_WITH_SHA1, hash_data,
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&signature2);
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if (ret < 0)
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testfail("gnutls_pubkey_verify_hash2-1 (hashed data)\n");
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gnutls_free(signature2.data);
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}
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if (gnutls_pubkey_get_pk_algorithm(pubkey, NULL) ==
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GNUTLS_PK_RSA) {
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ret =
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gnutls_privkey_sign_hash(privkey,
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tests[i].digest,
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GNUTLS_PRIVKEY_SIGN_FLAG_TLS1_RSA,
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hash_data,
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&signature);
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if (ret < 0)
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testfail("gnutls_privkey_sign_hash: %s\n",
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gnutls_strerror(ret));
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sign_algo =
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gnutls_pk_to_sign
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(gnutls_pubkey_get_pk_algorithm(pubkey, NULL),
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tests[i].digest);
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ret =
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gnutls_pubkey_verify_hash2(pubkey, sign_algo,
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GNUTLS_PUBKEY_VERIFY_FLAG_TLS1_RSA,
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hash_data,
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&signature);
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if (ret < 0)
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testfail("gnutls_pubkey_verify_hash-3 (raw hashed data)\n");
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gnutls_free(signature.data);
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Packit Service |
4684c1 |
/* test the legacy API */
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|
Packit Service |
4684c1 |
ret =
|
|
Packit Service |
4684c1 |
gnutls_privkey_sign_raw_data(privkey, 0,
|
|
Packit Service |
4684c1 |
hash_data,
|
|
Packit Service |
4684c1 |
&signature);
|
|
Packit Service |
4684c1 |
if (ret < 0)
|
|
Packit Service |
4684c1 |
testfail("gnutls_privkey_sign_raw_data: %s\n",
|
|
Packit Service |
4684c1 |
gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret =
|
|
Packit Service |
4684c1 |
gnutls_pubkey_verify_hash2(pubkey, sign_algo,
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|
Packit Service |
4684c1 |
GNUTLS_PUBKEY_VERIFY_FLAG_TLS1_RSA,
|
|
Packit Service |
4684c1 |
hash_data,
|
|
Packit Service |
4684c1 |
&signature);
|
|
Packit Service |
4684c1 |
if (ret < 0)
|
|
Packit Service |
4684c1 |
testfail("gnutls_pubkey_verify_hash-4 (legacy raw hashed data)\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
gnutls_free(signature.data);
|
|
Packit Service |
4684c1 |
gnutls_free(signature2.data);
|
|
Packit Service |
4684c1 |
gnutls_privkey_deinit(privkey);
|
|
Packit Service |
4684c1 |
gnutls_pubkey_deinit(pubkey);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
}
|