tests/x509sign-verify.c

   1 /*
   2  * Copyright (C) 2004-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos, Simon Josefsson
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * GnuTLS is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * GnuTLS is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with GnuTLS; if not, write to the Free Software Foundation,
  20  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 /* Parts copied from GnuTLS example programs. */
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <sys/types.h>
  33 #include <netinet/in.h>
  34 #include <sys/socket.h>
  35 #ifndef _WIN32
  36 # include <arpa/inet.h>
  37 #endif
  38 #include <unistd.h>
  39 #include <gnutls/gnutls.h>
  40 #include <gnutls/x509.h>
  41 #include <gnutls/abstract.h>
  42
  43 #include "utils.h"
  44
  45 static void tls_log_func(int level, const char *str)
  46 {
  47         fprintf(stderr, "<%d> %s", level, str);
  48 }
  49
  50 /* sha1 hash of "hello" string */
  51 const gnutls_datum_t hash_data = {
  52         (void *)
  53             "\xaa\xf4\xc6\x1d\xdc\xc5\xe8\xa2\xda\xbe"
  54             "\xde\x0f\x3b\x48\x2c\xd9\xae\xa9\x43\x4d",
  55         20
  56 };
  57
  58 const gnutls_datum_t invalid_hash_data = {
  59         (void *)
  60             "\xaa\xf4\xc6\x1d\xdc\xca\xe8\xa2\xda\xbe"
  61             "\xde\x0f\x3b\x48\x2c\xb9\xae\xa9\x43\x4d",
  62         20
  63 };
  64
  65 const gnutls_datum_t raw_data = {
  66         (void *) "hello",
  67         5
  68 };
  69
  70 static char pem1_cert[] =
  71     "-----BEGIN CERTIFICATE-----\n"
  72     "MIICHjCCAYmgAwIBAgIERiYdNzALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
  73     "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTI3WhcNMDgwNDE3MTMyOTI3WjAdMRsw\n"
  74     "GQYDVQQDExJHbnVUTFMgdGVzdCBjbGllbnQwgZwwCwYJKoZIhvcNAQEBA4GMADCB\n"
  75     "iAKBgLtmQ/Xyxde2jMzF3/WIO7HJS2oOoa0gUEAIgKFPXKPQ+GzP5jz37AR2ExeL\n"
  76     "ZIkiW8DdU3w77XwEu4C5KL6Om8aOoKUSy/VXHqLnu7czSZ/ju0quak1o/8kR4jKN\n"
  77     "zj2AC41179gAgY8oBAOgIo1hBAf6tjd9IQdJ0glhaZiQo1ipAgMBAAGjdjB0MAwG\n"
  78     "A1UdEwEB/wQCMAAwEwYDVR0lBAwwCgYIKwYBBQUHAwIwDwYDVR0PAQH/BAUDAweg\n"
  79     "ADAdBgNVHQ4EFgQUTLkKm/odNON+3svSBxX+odrLaJEwHwYDVR0jBBgwFoAU6Twc\n"
  80     "+62SbuYGpFYsouHAUyfI8pUwCwYJKoZIhvcNAQEFA4GBALujmBJVZnvaTXr9cFRJ\n"
  81     "jpfc/3X7sLUsMvumcDE01ls/cG5mIatmiyEU9qI3jbgUf82z23ON/acwJf875D3/\n"
  82     "U7jyOsBJ44SEQITbin2yUeJMIm1tievvdNXBDfW95AM507ShzP12sfiJkJfjjdhy\n"
  83     "dc8Siq5JojruiMizAf0pA7in\n" "-----END CERTIFICATE-----\n";
  84
  85 static char pem1_key[] =
  86     "-----BEGIN RSA PRIVATE KEY-----\n"
  87     "MIICXAIBAAKBgQC7ZkP18sXXtozMxd/1iDuxyUtqDqGtIFBACIChT1yj0Phsz+Y8\n"
  88     "9+wEdhMXi2SJIlvA3VN8O+18BLuAuSi+jpvGjqClEsv1Vx6i57u3M0mf47tKrmpN\n"
  89     "aP/JEeIyjc49gAuNde/YAIGPKAQDoCKNYQQH+rY3fSEHSdIJYWmYkKNYqQIDAQAB\n"
  90     "AoGADpmARG5CQxS+AesNkGmpauepiCz1JBF/JwnyiX6vEzUh0Ypd39SZztwrDxvF\n"
  91     "PJjQaKVljml1zkJpIDVsqvHdyVdse8M+Qn6hw4x2p5rogdvhhIL1mdWo7jWeVJTF\n"
  92     "RKB7zLdMPs3ySdtcIQaF9nUAQ2KJEvldkO3m/bRJFEp54k0CQQDYy+RlTmwRD6hy\n"
  93     "7UtMjR0H3CSZJeQ8svMCxHLmOluG9H1UKk55ZBYfRTsXniqUkJBZ5wuV1L+pR9EK\n"
  94     "ca89a+1VAkEA3UmBelwEv2u9cAU1QjKjmwju1JgXbrjEohK+3B5y0ESEXPAwNQT9\n"
  95     "TrDM1m9AyxYTWLxX93dI5QwNFJtmbtjeBQJARSCWXhsoaDRG8QZrCSjBxfzTCqZD\n"
  96     "ZXtl807ymCipgJm60LiAt0JLr4LiucAsMZz6+j+quQbSakbFCACB8SLV1QJBAKZQ\n"
  97     "YKf+EPNtnmta/rRKKvySsi3GQZZN+Dt3q0r094XgeTsAqrqujVNfPhTMeP4qEVBX\n"
  98     "/iVX2cmMTSh3w3z8MaECQEp0XJWDVKOwcTW6Ajp9SowtmiZ3YDYo1LF9igb4iaLv\n"
  99     "sWZGfbnU3ryjvkb6YuFjgtzbZDZHWQCo8/cOtOBmPdk=\n"
 100     "-----END RSA PRIVATE KEY-----\n";
 101
 102 static char pem2_cert[] =
 103     "-----BEGIN CERTIFICATE-----\n"
 104     "MIIDbzCCAtqgAwIBAgIERiYdRTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
 105     "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTQxWhcNMDgwNDE3MTMyOTQxWjA3MRsw\n"
 106     "GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n"
 107     "Lm9yZzCCAbQwggEpBgcqhkjOOAQBMIIBHAKBgLmE9VqBvhoNxYpzjwybL5u2DkvD\n"
 108     "dBp/ZK2d8yjFoEe8m1dW8ZfVfjcD6fJM9OOLfzCjXS+7oaI3wuo1jx+xX6aiXwHx\n"
 109     "IzYr5E8vLd2d1TqmOa96UXzSJY6XdM8exXtLdkOBBx8GFLhuWBLhkOI3b9Ib7GjF\n"
 110     "WOLmMOBqXixjeOwHAhSfVoxIZC/+jap6bZbbBF0W7wilcQKBgGIGfuRcdgi3Rhpd\n"
 111     "15fUKiH7HzHJ0vT6Odgn0Zv8J12nCqca/FPBL0PCN8iFfz1Mq12BMvsdXh5UERYg\n"
 112     "xoBa2YybQ/Dda6D0w/KKnDnSHHsP7/ook4/SoSLr3OCKi60oDs/vCYXpNr2LelDV\n"
 113     "e/clDWxgEcTvcJDP1hvru47GPjqXA4GEAAKBgA+Kh1fy0cLcrN9Liw+Luin34QPk\n"
 114     "VfqymAfW/RKxgLz1urRQ1H+gDkPnn8l4EV/l5Awsa2qkNdy9VOVgNpox0YpZbmsc\n"
 115     "ur0uuut8h+/ayN2h66SD5out+vqOW9c3yDI+lsI+9EPafZECD7e8+O+P90EAXpbf\n"
 116     "DwiW3Oqy6QaCr9Ivo4GTMIGQMAwGA1UdEwEB/wQCMAAwGgYDVR0RBBMwEYIPdGVz\n"
 117     "dC5nbnV0bHMub3JnMBMGA1UdJQQMMAoGCCsGAQUFBwMBMA8GA1UdDwEB/wQFAwMH\n"
 118     "gAAwHQYDVR0OBBYEFL/su87Y6HtwVuzz0SuS1tSZClvzMB8GA1UdIwQYMBaAFOk8\n"
 119     "HPutkm7mBqRWLKLhwFMnyPKVMAsGCSqGSIb3DQEBBQOBgQBCsrnfD1xzh8/Eih1f\n"
 120     "x+M0lPoX1Re5L2ElHI6DJpHYOBPwf9glwxnet2+avzgUQDUFwUSxOhodpyeaACXD\n"
 121     "o0gGVpcH8sOBTQ+aTdM37hGkPxoXjtIkR/LgG5nP2H2JRd5TkW8l13JdM4MJFB4W\n"
 122     "QcDzQ8REwidsfh9uKAluk1c/KQ==\n" "-----END CERTIFICATE-----\n";
 123
 124 static char pem2_key[] =
 125     "-----BEGIN DSA PRIVATE KEY-----\n"
 126     "MIIBugIBAAKBgQC5hPVagb4aDcWKc48Mmy+btg5Lw3Qaf2StnfMoxaBHvJtXVvGX\n"
 127     "1X43A+nyTPTji38wo10vu6GiN8LqNY8fsV+mol8B8SM2K+RPLy3dndU6pjmvelF8\n"
 128     "0iWOl3TPHsV7S3ZDgQcfBhS4blgS4ZDiN2/SG+xoxVji5jDgal4sY3jsBwIVAJ9W\n"
 129     "jEhkL/6NqnptltsEXRbvCKVxAoGAYgZ+5Fx2CLdGGl3Xl9QqIfsfMcnS9Po52CfR\n"
 130     "m/wnXacKpxr8U8EvQ8I3yIV/PUyrXYEy+x1eHlQRFiDGgFrZjJtD8N1roPTD8oqc\n"
 131     "OdIcew/v+iiTj9KhIuvc4IqLrSgOz+8Jhek2vYt6UNV79yUNbGARxO9wkM/WG+u7\n"
 132     "jsY+OpcCgYAPiodX8tHC3KzfS4sPi7op9+ED5FX6spgH1v0SsYC89bq0UNR/oA5D\n"
 133     "55/JeBFf5eQMLGtqpDXcvVTlYDaaMdGKWW5rHLq9LrrrfIfv2sjdoeukg+aLrfr6\n"
 134     "jlvXN8gyPpbCPvRD2n2RAg+3vPjvj/dBAF6W3w8IltzqsukGgq/SLwIUS5/r/2ya\n"
 135     "AoNBXjeBjgCGMei2m8E=\n" "-----END DSA PRIVATE KEY-----\n";
 136
 137 const gnutls_datum_t cert_dat[] = {
 138         {(void *) pem1_cert, sizeof(pem1_cert)}
 139         ,
 140         {(void *) pem2_cert, sizeof(pem2_cert)}
 141 };
 142
 143 const gnutls_datum_t key_dat[] = {
 144         {(void *) pem1_key, sizeof(pem1_key)}
 145         ,
 146         {(void *) pem2_key, sizeof(pem2_key)}
 147 };
 148
 149 void doit(void)
 150 {
 151         gnutls_x509_privkey_t key;
 152         gnutls_x509_crt_t crt;
 153         gnutls_pubkey_t pubkey;
 154         gnutls_privkey_t privkey;
 155         gnutls_digest_algorithm_t hash_algo;
 156         gnutls_sign_algorithm_t sign_algo;
 157         gnutls_datum_t signature;
 158         gnutls_datum_t signature2;
 159         int ret;
 160         size_t i;
 161
 162         global_init();
 163
 164         gnutls_global_set_log_function(tls_log_func);
 165         if (debug)
 166                 gnutls_global_set_log_level(6);
 167
 168         for (i = 0; i < sizeof(key_dat) / sizeof(key_dat[0]); i++) {
 169                 if (debug)
 170                         success("loop %d\n", (int) i);
 171
 172                 ret = gnutls_x509_privkey_init(&key);
 173                 if (ret < 0)
 174                         fail("gnutls_x509_privkey_init\n");
 175
 176                 ret =
 177                     gnutls_x509_privkey_import(key, &key_dat[i],
 178                                                GNUTLS_X509_FMT_PEM);
 179                 if (ret < 0)
 180                         fail("gnutls_x509_privkey_import\n");
 181
 182                 ret = gnutls_pubkey_init(&pubkey);
 183                 if (ret < 0)
 184                         fail("gnutls_privkey_init\n");
 185
 186                 ret = gnutls_privkey_init(&privkey);
 187                 if (ret < 0)
 188                         fail("gnutls_pubkey_init\n");
 189
 190                 ret = gnutls_privkey_import_x509(privkey, key, 0);
 191                 if (ret < 0)
 192                         fail("gnutls_privkey_import_x509\n");
 193
 194                 ret = gnutls_privkey_sign_hash(privkey, GNUTLS_DIG_SHA1, 0,
 195                                                &hash_data, &signature2);
 196                 if (ret < 0)
 197                         fail("gnutls_privkey_sign_hash\n");
 198
 199                 ret = gnutls_privkey_sign_data(privkey, GNUTLS_DIG_SHA1, 0,
 200                                                &raw_data, &signature);
 201                 if (ret < 0)
 202                         fail("gnutls_x509_privkey_sign_hash\n");
 203
 204                 ret = gnutls_x509_crt_init(&crt);
 205                 if (ret < 0)
 206                         fail("gnutls_x509_crt_init\n");
 207
 208                 ret =
 209                     gnutls_x509_crt_import(crt, &cert_dat[i],
 210                                            GNUTLS_X509_FMT_PEM);
 211                 if (ret < 0)
 212                         fail("gnutls_x509_crt_import\n");
 213
 214                 ret = gnutls_pubkey_import_x509(pubkey, crt, 0);
 215                 if (ret < 0)
 216                         fail("gnutls_x509_pubkey_import\n");
 217
 218                 ret =
 219                     gnutls_pubkey_get_verify_algorithm(pubkey, &signature,
 220                                                        &hash_algo);
 221                 if (ret < 0 || hash_algo != GNUTLS_DIG_SHA1)
 222                         fail("gnutls_x509_crt_get_verify_algorithm\n");
 223
 224                 ret =
 225                     gnutls_pubkey_verify_hash(pubkey, 0, &hash_data,
 226                                               &signature);
 227                 if (ret < 0)
 228                         fail("gnutls_x509_pubkey_verify_hash\n");
 229
 230                 ret =
 231                     gnutls_pubkey_get_verify_algorithm(pubkey, &signature2,
 232                                                        &hash_algo);
 233                 if (ret < 0 || hash_algo != GNUTLS_DIG_SHA1)
 234                         fail("gnutls_x509_crt_get_verify_algorithm (hashed data)\n");
 235
 236                 ret =
 237                     gnutls_pubkey_verify_hash(pubkey, 0, &hash_data,
 238                                               &signature2);
 239                 if (ret < 0)
 240                         fail("gnutls_x509_pubkey_verify_hash-1 (hashed data)\n");
 241
 242                 /* should fail */
 243                 ret =
 244                     gnutls_pubkey_verify_hash(pubkey, 0,
 245                                               &invalid_hash_data,
 246                                               &signature2);
 247                 if (ret != GNUTLS_E_PK_SIG_VERIFY_FAILED)
 248                         fail("gnutls_x509_pubkey_verify_hash-2 (hashed data)\n");
 249
 250                 sign_algo =
 251                     gnutls_pk_to_sign(gnutls_pubkey_get_pk_algorithm
 252                                       (pubkey, NULL), GNUTLS_DIG_SHA1);
 253
 254                 ret =
 255                     gnutls_pubkey_verify_hash2(pubkey, sign_algo, 0,
 256                                                &hash_data, &signature2);
 257                 if (ret < 0)
 258                         fail("gnutls_x509_pubkey_verify_hash2-1 (hashed data)\n");
 259
 260                 /* should fail */
 261                 ret =
 262                     gnutls_pubkey_verify_hash2(pubkey, sign_algo, 0,
 263                                                &invalid_hash_data,
 264                                                &signature2);
 265                 if (ret != GNUTLS_E_PK_SIG_VERIFY_FAILED)
 266                         fail("gnutls_x509_pubkey_verify_hash2-2 (hashed data)\n");
 267
 268                 /* test the raw interface */
 269                 gnutls_free(signature.data);
 270                 signature.data = NULL;
 271
 272                 if (gnutls_pubkey_get_pk_algorithm(pubkey, NULL) ==
 273                     GNUTLS_PK_RSA) {
 274                         ret =
 275                             gnutls_privkey_sign_hash(privkey,
 276                                                      GNUTLS_DIG_SHA1,
 277                                                      GNUTLS_PRIVKEY_SIGN_FLAG_TLS1_RSA,
 278                                                      &hash_data,
 279                                                      &signature);
 280                         if (ret < 0)
 281                                 fail("gnutls_privkey_sign_hash: %s\n",
 282                                      gnutls_strerror(ret));
 283
 284                         sign_algo =
 285                             gnutls_pk_to_sign
 286                             (gnutls_pubkey_get_pk_algorithm(pubkey, NULL),
 287                              GNUTLS_DIG_SHA1);
 288
 289                         ret =
 290                             gnutls_pubkey_verify_hash2(pubkey, sign_algo,
 291                                                        GNUTLS_PUBKEY_VERIFY_FLAG_TLS1_RSA,
 292                                                        &hash_data,
 293                                                        &signature);
 294                         if (ret < 0)
 295                                 fail("gnutls_pubkey_verify_hash-3 (raw hashed data)\n");
 296                 }
 297                 gnutls_free(signature.data);
 298                 gnutls_free(signature2.data);
 299                 gnutls_x509_privkey_deinit(key);
 300                 gnutls_x509_crt_deinit(crt);
 301                 gnutls_privkey_deinit(privkey);
 302                 gnutls_pubkey_deinit(pubkey);
 303         }
 304
 305         gnutls_global_deinit();
 306 }