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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 key import for gnutls_x509_privkey_t 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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#include <unistd.h>
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#include <gnutls/gnutls.h>
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#include <gnutls/abstract.h>
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#include <gnutls/x509.h>
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#include <assert.h>
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#include "cert-common.h"
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#include "utils.h"
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#define testfail(fmt, ...) \
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fail("%s: "fmt, name, ##__VA_ARGS__)
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const gnutls_datum_t raw_data = {
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(void *) "hello there",
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11
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};
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static int sign_verify_data(gnutls_x509_privkey_t pkey, gnutls_sign_algorithm_t algo)
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{
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int ret;
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gnutls_privkey_t privkey;
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gnutls_pubkey_t pubkey = NULL;
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gnutls_datum_t signature;
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/* sign arbitrary data */
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assert(gnutls_privkey_init(&privkey) >= 0);
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ret = gnutls_privkey_import_x509(privkey, pkey, 0);
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if (ret < 0)
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fail("gnutls_privkey_import_x509\n");
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ret = gnutls_privkey_sign_data2(privkey, algo, 0,
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&raw_data, &signature);
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if (ret < 0) {
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ret = -1;
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goto cleanup;
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}
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/* verify data */
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assert(gnutls_pubkey_init(&pubkey) >= 0);
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ret = gnutls_pubkey_import_privkey(pubkey, privkey, 0, 0);
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if (ret < 0)
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fail("gnutls_pubkey_import_privkey\n");
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ret = gnutls_pubkey_verify_data2(pubkey, algo,
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GNUTLS_VERIFY_ALLOW_BROKEN, &raw_data, &signature);
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if (ret < 0) {
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ret = -1;
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goto cleanup;
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}
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ret = 0;
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cleanup:
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if (pubkey)
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gnutls_pubkey_deinit(pubkey);
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gnutls_privkey_deinit(privkey);
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gnutls_free(signature.data);
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return ret;
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}
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static void load_privkey(const char *name, const gnutls_datum_t *txtkey, gnutls_pk_algorithm_t pk,
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gnutls_sign_algorithm_t sig, int exp_key_err)
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{
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gnutls_x509_privkey_t tmp;
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int ret;
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ret = gnutls_x509_privkey_init(&tmp);
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if (ret < 0)
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testfail("gnutls_privkey_init\n");
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ret = gnutls_x509_privkey_import(tmp, txtkey, GNUTLS_X509_FMT_PEM);
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if (ret < 0) {
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if (exp_key_err) {
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testfail("did not fail in key import, although expected\n");
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}
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testfail("gnutls_privkey_import: %s\n", gnutls_strerror(ret));
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}
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if (gnutls_x509_privkey_get_pk_algorithm(tmp) != (int)pk) {
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testfail("pk algorithm doesn't match!\n");
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}
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ret = gnutls_x509_privkey_verify_params(tmp);
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if (ret < 0)
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testfail("gnutls_privkey_verify_params: %s\n", gnutls_strerror(ret));
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sign_verify_data(tmp, sig);
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gnutls_x509_privkey_deinit(tmp);
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return;
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}
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static void load_privkey_in_der(const char *name, const gnutls_datum_t *txtkey, gnutls_pk_algorithm_t pk,
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gnutls_sign_algorithm_t sig, int exp_key_err)
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{
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gnutls_x509_privkey_t tmp;
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gnutls_datum_t der;
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int ret;
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ret = gnutls_x509_privkey_init(&tmp);
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if (ret < 0)
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testfail("gnutls_privkey_init\n");
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ret = gnutls_pem_base64_decode2(NULL, txtkey, &der;;
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if (ret < 0 || der.size == 0) {
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testfail("could not convert key to DER form: %s\n", gnutls_strerror(ret));
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}
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ret = gnutls_x509_privkey_import(tmp, &der, GNUTLS_X509_FMT_DER);
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gnutls_free(der.data);
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if (ret < 0) {
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if (exp_key_err) {
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testfail("did not fail in key import, although expected\n");
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}
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testfail("gnutls_privkey_import: %s\n", gnutls_strerror(ret));
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}
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if (gnutls_x509_privkey_get_pk_algorithm(tmp) != (int)pk) {
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testfail("pk algorithm doesn't match!\n");
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}
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ret = gnutls_x509_privkey_verify_params(tmp);
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if (ret < 0)
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testfail("gnutls_privkey_verify_params: %s\n", gnutls_strerror(ret));
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sign_verify_data(tmp, sig);
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gnutls_x509_privkey_deinit(tmp);
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return;
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}
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typedef struct test_st {
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const char *name;
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gnutls_pk_algorithm_t pk;
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gnutls_sign_algorithm_t sig;
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const gnutls_datum_t *key;
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int exp_key_err;
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} test_st;
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static const test_st tests[] = {
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{.name = "ecc key",
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.pk = GNUTLS_PK_ECDSA,
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.sig = GNUTLS_SIGN_ECDSA_SHA256,
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.key = &server_ca3_ecc_key,
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},
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{.name = "rsa-sign key",
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.pk = GNUTLS_PK_RSA,
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.sig = GNUTLS_SIGN_RSA_SHA384,
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.key = &server_ca3_key,
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},
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{.name = "rsa-pss-sign key (PKCS#8)",
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.pk = GNUTLS_PK_RSA_PSS,
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.sig = GNUTLS_SIGN_RSA_PSS_SHA256,
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.key = &server_ca3_rsa_pss2_key,
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},
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{.name = "dsa key",
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.pk = GNUTLS_PK_DSA,
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.sig = GNUTLS_SIGN_DSA_SHA1,
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.key = &dsa_key,
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},
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{.name = "ed25519 key (PKCS#8)",
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.pk = GNUTLS_PK_EDDSA_ED25519,
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.sig = GNUTLS_SIGN_EDDSA_ED25519,
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.key = &server_ca3_eddsa_key,
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}
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};
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void doit(void)
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{
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unsigned int i;
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for (i=0;i
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success("checking: %s\n", tests[i].name);
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load_privkey(tests[i].name, tests[i].key, tests[i].pk,
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tests[i].sig, tests[i].exp_key_err);
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success("checking: %s in der form\n", tests[i].name);
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load_privkey_in_der(tests[i].name, tests[i].key, tests[i].pk,
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tests[i].sig, tests[i].exp_key_err);
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}
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gnutls_global_deinit();
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}
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