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path: root/tests/x509sign-verify.c
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/*
 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
 * Foundation, Inc.
 *
 * Author: Nikos Mavrogiannopoulos, Simon Josefsson
 *
 * 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
 */

/* Parts copied from GnuTLS example programs. */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include <gnutls/abstract.h>

#include "utils.h"

/* sha1 hash of "hello" string */
const gnutls_datum_t 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 invalid_hash_data = {
  (void *)
    "\xaa\xf4\xc6\x1d\xdc\xca\xe8\xa2\xda\xbe"
    "\xde\x0f\x3b\x48\x2c\xb9\xae\xa9\x43\x4d",
  20
};

const gnutls_datum_t raw_data = {
  (void *) "hello",
  5
};

static char pem1_cert[] =
  "-----BEGIN CERTIFICATE-----\n"
  "MIICHjCCAYmgAwIBAgIERiYdNzALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
  "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTI3WhcNMDgwNDE3MTMyOTI3WjAdMRsw\n"
  "GQYDVQQDExJHbnVUTFMgdGVzdCBjbGllbnQwgZwwCwYJKoZIhvcNAQEBA4GMADCB\n"
  "iAKBgLtmQ/Xyxde2jMzF3/WIO7HJS2oOoa0gUEAIgKFPXKPQ+GzP5jz37AR2ExeL\n"
  "ZIkiW8DdU3w77XwEu4C5KL6Om8aOoKUSy/VXHqLnu7czSZ/ju0quak1o/8kR4jKN\n"
  "zj2AC41179gAgY8oBAOgIo1hBAf6tjd9IQdJ0glhaZiQo1ipAgMBAAGjdjB0MAwG\n"
  "A1UdEwEB/wQCMAAwEwYDVR0lBAwwCgYIKwYBBQUHAwIwDwYDVR0PAQH/BAUDAweg\n"
  "ADAdBgNVHQ4EFgQUTLkKm/odNON+3svSBxX+odrLaJEwHwYDVR0jBBgwFoAU6Twc\n"
  "+62SbuYGpFYsouHAUyfI8pUwCwYJKoZIhvcNAQEFA4GBALujmBJVZnvaTXr9cFRJ\n"
  "jpfc/3X7sLUsMvumcDE01ls/cG5mIatmiyEU9qI3jbgUf82z23ON/acwJf875D3/\n"
  "U7jyOsBJ44SEQITbin2yUeJMIm1tievvdNXBDfW95AM507ShzP12sfiJkJfjjdhy\n"
  "dc8Siq5JojruiMizAf0pA7in\n" "-----END CERTIFICATE-----\n";

static char pem1_key[] =
  "-----BEGIN RSA PRIVATE KEY-----\n"
  "MIICXAIBAAKBgQC7ZkP18sXXtozMxd/1iDuxyUtqDqGtIFBACIChT1yj0Phsz+Y8\n"
  "9+wEdhMXi2SJIlvA3VN8O+18BLuAuSi+jpvGjqClEsv1Vx6i57u3M0mf47tKrmpN\n"
  "aP/JEeIyjc49gAuNde/YAIGPKAQDoCKNYQQH+rY3fSEHSdIJYWmYkKNYqQIDAQAB\n"
  "AoGADpmARG5CQxS+AesNkGmpauepiCz1JBF/JwnyiX6vEzUh0Ypd39SZztwrDxvF\n"
  "PJjQaKVljml1zkJpIDVsqvHdyVdse8M+Qn6hw4x2p5rogdvhhIL1mdWo7jWeVJTF\n"
  "RKB7zLdMPs3ySdtcIQaF9nUAQ2KJEvldkO3m/bRJFEp54k0CQQDYy+RlTmwRD6hy\n"
  "7UtMjR0H3CSZJeQ8svMCxHLmOluG9H1UKk55ZBYfRTsXniqUkJBZ5wuV1L+pR9EK\n"
  "ca89a+1VAkEA3UmBelwEv2u9cAU1QjKjmwju1JgXbrjEohK+3B5y0ESEXPAwNQT9\n"
  "TrDM1m9AyxYTWLxX93dI5QwNFJtmbtjeBQJARSCWXhsoaDRG8QZrCSjBxfzTCqZD\n"
  "ZXtl807ymCipgJm60LiAt0JLr4LiucAsMZz6+j+quQbSakbFCACB8SLV1QJBAKZQ\n"
  "YKf+EPNtnmta/rRKKvySsi3GQZZN+Dt3q0r094XgeTsAqrqujVNfPhTMeP4qEVBX\n"
  "/iVX2cmMTSh3w3z8MaECQEp0XJWDVKOwcTW6Ajp9SowtmiZ3YDYo1LF9igb4iaLv\n"
  "sWZGfbnU3ryjvkb6YuFjgtzbZDZHWQCo8/cOtOBmPdk=\n"
  "-----END RSA PRIVATE KEY-----\n";

static char pem2_cert[] =
  "-----BEGIN CERTIFICATE-----\n"
  "MIIDbzCCAtqgAwIBAgIERiYdRTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
  "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTQxWhcNMDgwNDE3MTMyOTQxWjA3MRsw\n"
  "GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n"
  "Lm9yZzCCAbQwggEpBgcqhkjOOAQBMIIBHAKBgLmE9VqBvhoNxYpzjwybL5u2DkvD\n"
  "dBp/ZK2d8yjFoEe8m1dW8ZfVfjcD6fJM9OOLfzCjXS+7oaI3wuo1jx+xX6aiXwHx\n"
  "IzYr5E8vLd2d1TqmOa96UXzSJY6XdM8exXtLdkOBBx8GFLhuWBLhkOI3b9Ib7GjF\n"
  "WOLmMOBqXixjeOwHAhSfVoxIZC/+jap6bZbbBF0W7wilcQKBgGIGfuRcdgi3Rhpd\n"
  "15fUKiH7HzHJ0vT6Odgn0Zv8J12nCqca/FPBL0PCN8iFfz1Mq12BMvsdXh5UERYg\n"
  "xoBa2YybQ/Dda6D0w/KKnDnSHHsP7/ook4/SoSLr3OCKi60oDs/vCYXpNr2LelDV\n"
  "e/clDWxgEcTvcJDP1hvru47GPjqXA4GEAAKBgA+Kh1fy0cLcrN9Liw+Luin34QPk\n"
  "VfqymAfW/RKxgLz1urRQ1H+gDkPnn8l4EV/l5Awsa2qkNdy9VOVgNpox0YpZbmsc\n"
  "ur0uuut8h+/ayN2h66SD5out+vqOW9c3yDI+lsI+9EPafZECD7e8+O+P90EAXpbf\n"
  "DwiW3Oqy6QaCr9Ivo4GTMIGQMAwGA1UdEwEB/wQCMAAwGgYDVR0RBBMwEYIPdGVz\n"
  "dC5nbnV0bHMub3JnMBMGA1UdJQQMMAoGCCsGAQUFBwMBMA8GA1UdDwEB/wQFAwMH\n"
  "gAAwHQYDVR0OBBYEFL/su87Y6HtwVuzz0SuS1tSZClvzMB8GA1UdIwQYMBaAFOk8\n"
  "HPutkm7mBqRWLKLhwFMnyPKVMAsGCSqGSIb3DQEBBQOBgQBCsrnfD1xzh8/Eih1f\n"
  "x+M0lPoX1Re5L2ElHI6DJpHYOBPwf9glwxnet2+avzgUQDUFwUSxOhodpyeaACXD\n"
  "o0gGVpcH8sOBTQ+aTdM37hGkPxoXjtIkR/LgG5nP2H2JRd5TkW8l13JdM4MJFB4W\n"
  "QcDzQ8REwidsfh9uKAluk1c/KQ==\n" "-----END CERTIFICATE-----\n";

static char pem2_key[] =
  "-----BEGIN DSA PRIVATE KEY-----\n"
  "MIIBugIBAAKBgQC5hPVagb4aDcWKc48Mmy+btg5Lw3Qaf2StnfMoxaBHvJtXVvGX\n"
  "1X43A+nyTPTji38wo10vu6GiN8LqNY8fsV+mol8B8SM2K+RPLy3dndU6pjmvelF8\n"
  "0iWOl3TPHsV7S3ZDgQcfBhS4blgS4ZDiN2/SG+xoxVji5jDgal4sY3jsBwIVAJ9W\n"
  "jEhkL/6NqnptltsEXRbvCKVxAoGAYgZ+5Fx2CLdGGl3Xl9QqIfsfMcnS9Po52CfR\n"
  "m/wnXacKpxr8U8EvQ8I3yIV/PUyrXYEy+x1eHlQRFiDGgFrZjJtD8N1roPTD8oqc\n"
  "OdIcew/v+iiTj9KhIuvc4IqLrSgOz+8Jhek2vYt6UNV79yUNbGARxO9wkM/WG+u7\n"
  "jsY+OpcCgYAPiodX8tHC3KzfS4sPi7op9+ED5FX6spgH1v0SsYC89bq0UNR/oA5D\n"
  "55/JeBFf5eQMLGtqpDXcvVTlYDaaMdGKWW5rHLq9LrrrfIfv2sjdoeukg+aLrfr6\n"
  "jlvXN8gyPpbCPvRD2n2RAg+3vPjvj/dBAF6W3w8IltzqsukGgq/SLwIUS5/r/2ya\n"
  "AoNBXjeBjgCGMei2m8E=\n" "-----END DSA PRIVATE KEY-----\n";

const gnutls_datum_t cert_dat[] = {
  {pem1_cert, sizeof (pem1_cert)}
  ,
  {pem2_cert, sizeof (pem2_cert)}
};

const gnutls_datum_t key_dat[] = {
  {pem1_key, sizeof (pem1_key)}
  ,
  {pem2_key, sizeof (pem2_key)}
};

void
doit (void)
{
  gnutls_x509_privkey_t key;
  gnutls_x509_crt_t crt;
  gnutls_pubkey_t pubkey;
  gnutls_privkey_t privkey;
  gnutls_digest_algorithm_t hash_algo;
  gnutls_datum_t signature;
  gnutls_datum_t signature2;
  int ret;
  size_t i;

  gnutls_global_init ();

  for (i = 0; i < sizeof (key_dat) / sizeof (key_dat[0]); i++)
    {
      if (debug)
        success ("loop %d\n", (int) i);

      ret = gnutls_x509_privkey_init (&key);
      if (ret < 0)
        fail ("gnutls_x509_privkey_init\n");

      ret =
        gnutls_x509_privkey_import (key, &key_dat[i], GNUTLS_X509_FMT_PEM);
      if (ret < 0)
        fail ("gnutls_x509_privkey_import\n");

      ret = gnutls_pubkey_init (&pubkey);
      if (ret < 0)
        fail ("gnutls_privkey_init\n");

      ret = gnutls_privkey_init (&privkey);
      if (ret < 0)
        fail ("gnutls_pubkey_init\n");

      ret = gnutls_privkey_import_x509 (privkey, key, 0);
      if (ret < 0)
        fail ("gnutls_privkey_import_x509\n");

      ret = gnutls_privkey_sign_hash (privkey, GNUTLS_DIG_SHA1, 0,
				      &hash_data, &signature2);
      if (ret < 0)
        fail ("gnutls_privkey_sign_hash\n");

      ret = gnutls_privkey_sign_data (privkey, GNUTLS_DIG_SHA1, 0,
				      &raw_data, &signature);
      if (ret < 0)
        fail ("gnutls_x509_privkey_sign_hash\n");

      ret = gnutls_x509_crt_init (&crt);
      if (ret < 0)
        fail ("gnutls_x509_crt_init\n");

      ret = gnutls_x509_crt_import (crt, &cert_dat[i], GNUTLS_X509_FMT_PEM);
      if (ret < 0)
        fail ("gnutls_x509_crt_import\n");

      ret =
        gnutls_pubkey_import_x509 (pubkey, crt, 0);
      if (ret < 0)
        fail ("gnutls_x509_pubkey_import\n");

      ret =
        gnutls_pubkey_get_verify_algorithm (pubkey, &signature, &hash_algo);
      if (ret < 0 || hash_algo != GNUTLS_DIG_SHA1)
        fail ("gnutls_x509_crt_get_verify_algorithm\n");

      ret = gnutls_pubkey_verify_hash (pubkey, 0, &hash_data, &signature);
      if (ret < 0)
        fail ("gnutls_x509_privkey_verify_hash\n");

      ret =
        gnutls_pubkey_get_verify_algorithm (pubkey, &signature2, &hash_algo);
      if (ret < 0 || hash_algo != GNUTLS_DIG_SHA1)
        fail ("gnutls_x509_crt_get_verify_algorithm (hashed data)\n");

      ret = gnutls_pubkey_verify_hash (pubkey, 0, &hash_data, &signature2);
      if (ret < 0)
        fail ("gnutls_x509_privkey_verify_hash (hashed data)\n");

      /* should fail */
      ret = gnutls_pubkey_verify_hash (pubkey, 0, &invalid_hash_data, &signature2);
      if (ret != GNUTLS_E_PK_SIG_VERIFY_FAILED)
        fail ("gnutls_x509_privkey_verify_hash (hashed data)\n");


      gnutls_free(signature.data);
      gnutls_free(signature2.data);
      gnutls_x509_privkey_deinit (key);
      gnutls_x509_crt_deinit (crt);
      gnutls_privkey_deinit (privkey);
      gnutls_pubkey_deinit (pubkey);
    }

  gnutls_global_deinit ();
}