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 #include <arpa/inet.h>
  36 #include <unistd.h>
  37 #include <gnutls/gnutls.h>
  38 #include <gnutls/x509.h>
  39 #include <gnutls/abstract.h>
  40
  41 #include "utils.h"
  42
  43 static void
  44 tls_log_func (int level, const char *str)
  45 {
  46   fprintf (stderr, "<%d> %s", level, str);
  47 }
  48
  49 /* sha1 hash of "hello" string */
  50 const gnutls_datum_t hash_data = {
  51   (void *)
  52     "\xaa\xf4\xc6\x1d\xdc\xc5\xe8\xa2\xda\xbe"
  53     "\xde\x0f\x3b\x48\x2c\xd9\xae\xa9\x43\x4d",
  54   20
  55 };
  56
  57 const gnutls_datum_t invalid_hash_data = {
  58   (void *)
  59     "\xaa\xf4\xc6\x1d\xdc\xca\xe8\xa2\xda\xbe"
  60     "\xde\x0f\x3b\x48\x2c\xb9\xae\xa9\x43\x4d",
  61   20
  62 };
  63
  64 const gnutls_datum_t raw_data = {
  65   (void *) "hello",
  66   5
  67 };
  68
  69 static char pem1_cert[] =
  70   "-----BEGIN CERTIFICATE-----\n"
  71   "MIICHjCCAYmgAwIBAgIERiYdNzALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
  72   "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTI3WhcNMDgwNDE3MTMyOTI3WjAdMRsw\n"
  73   "GQYDVQQDExJHbnVUTFMgdGVzdCBjbGllbnQwgZwwCwYJKoZIhvcNAQEBA4GMADCB\n"
  74   "iAKBgLtmQ/Xyxde2jMzF3/WIO7HJS2oOoa0gUEAIgKFPXKPQ+GzP5jz37AR2ExeL\n"
  75   "ZIkiW8DdU3w77XwEu4C5KL6Om8aOoKUSy/VXHqLnu7czSZ/ju0quak1o/8kR4jKN\n"
  76   "zj2AC41179gAgY8oBAOgIo1hBAf6tjd9IQdJ0glhaZiQo1ipAgMBAAGjdjB0MAwG\n"
  77   "A1UdEwEB/wQCMAAwEwYDVR0lBAwwCgYIKwYBBQUHAwIwDwYDVR0PAQH/BAUDAweg\n"
  78   "ADAdBgNVHQ4EFgQUTLkKm/odNON+3svSBxX+odrLaJEwHwYDVR0jBBgwFoAU6Twc\n"
  79   "+62SbuYGpFYsouHAUyfI8pUwCwYJKoZIhvcNAQEFA4GBALujmBJVZnvaTXr9cFRJ\n"
  80   "jpfc/3X7sLUsMvumcDE01ls/cG5mIatmiyEU9qI3jbgUf82z23ON/acwJf875D3/\n"
  81   "U7jyOsBJ44SEQITbin2yUeJMIm1tievvdNXBDfW95AM507ShzP12sfiJkJfjjdhy\n"
  82   "dc8Siq5JojruiMizAf0pA7in\n" "-----END CERTIFICATE-----\n";
  83
  84 static char pem1_key[] =
  85   "-----BEGIN RSA PRIVATE KEY-----\n"
  86   "MIICXAIBAAKBgQC7ZkP18sXXtozMxd/1iDuxyUtqDqGtIFBACIChT1yj0Phsz+Y8\n"
  87   "9+wEdhMXi2SJIlvA3VN8O+18BLuAuSi+jpvGjqClEsv1Vx6i57u3M0mf47tKrmpN\n"
  88   "aP/JEeIyjc49gAuNde/YAIGPKAQDoCKNYQQH+rY3fSEHSdIJYWmYkKNYqQIDAQAB\n"
  89   "AoGADpmARG5CQxS+AesNkGmpauepiCz1JBF/JwnyiX6vEzUh0Ypd39SZztwrDxvF\n"
  90   "PJjQaKVljml1zkJpIDVsqvHdyVdse8M+Qn6hw4x2p5rogdvhhIL1mdWo7jWeVJTF\n"
  91   "RKB7zLdMPs3ySdtcIQaF9nUAQ2KJEvldkO3m/bRJFEp54k0CQQDYy+RlTmwRD6hy\n"
  92   "7UtMjR0H3CSZJeQ8svMCxHLmOluG9H1UKk55ZBYfRTsXniqUkJBZ5wuV1L+pR9EK\n"
  93   "ca89a+1VAkEA3UmBelwEv2u9cAU1QjKjmwju1JgXbrjEohK+3B5y0ESEXPAwNQT9\n"
  94   "TrDM1m9AyxYTWLxX93dI5QwNFJtmbtjeBQJARSCWXhsoaDRG8QZrCSjBxfzTCqZD\n"
  95   "ZXtl807ymCipgJm60LiAt0JLr4LiucAsMZz6+j+quQbSakbFCACB8SLV1QJBAKZQ\n"
  96   "YKf+EPNtnmta/rRKKvySsi3GQZZN+Dt3q0r094XgeTsAqrqujVNfPhTMeP4qEVBX\n"
  97   "/iVX2cmMTSh3w3z8MaECQEp0XJWDVKOwcTW6Ajp9SowtmiZ3YDYo1LF9igb4iaLv\n"
  98   "sWZGfbnU3ryjvkb6YuFjgtzbZDZHWQCo8/cOtOBmPdk=\n"
  99   "-----END RSA PRIVATE KEY-----\n";
 100
 101 static char pem2_cert[] =
 102   "-----BEGIN CERTIFICATE-----\n"
 103   "MIIDbzCCAtqgAwIBAgIERiYdRTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
 104   "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTQxWhcNMDgwNDE3MTMyOTQxWjA3MRsw\n"
 105   "GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n"
 106   "Lm9yZzCCAbQwggEpBgcqhkjOOAQBMIIBHAKBgLmE9VqBvhoNxYpzjwybL5u2DkvD\n"
 107   "dBp/ZK2d8yjFoEe8m1dW8ZfVfjcD6fJM9OOLfzCjXS+7oaI3wuo1jx+xX6aiXwHx\n"
 108   "IzYr5E8vLd2d1TqmOa96UXzSJY6XdM8exXtLdkOBBx8GFLhuWBLhkOI3b9Ib7GjF\n"
 109   "WOLmMOBqXixjeOwHAhSfVoxIZC/+jap6bZbbBF0W7wilcQKBgGIGfuRcdgi3Rhpd\n"
 110   "15fUKiH7HzHJ0vT6Odgn0Zv8J12nCqca/FPBL0PCN8iFfz1Mq12BMvsdXh5UERYg\n"
 111   "xoBa2YybQ/Dda6D0w/KKnDnSHHsP7/ook4/SoSLr3OCKi60oDs/vCYXpNr2LelDV\n"
 112   "e/clDWxgEcTvcJDP1hvru47GPjqXA4GEAAKBgA+Kh1fy0cLcrN9Liw+Luin34QPk\n"
 113   "VfqymAfW/RKxgLz1urRQ1H+gDkPnn8l4EV/l5Awsa2qkNdy9VOVgNpox0YpZbmsc\n"
 114   "ur0uuut8h+/ayN2h66SD5out+vqOW9c3yDI+lsI+9EPafZECD7e8+O+P90EAXpbf\n"
 115   "DwiW3Oqy6QaCr9Ivo4GTMIGQMAwGA1UdEwEB/wQCMAAwGgYDVR0RBBMwEYIPdGVz\n"
 116   "dC5nbnV0bHMub3JnMBMGA1UdJQQMMAoGCCsGAQUFBwMBMA8GA1UdDwEB/wQFAwMH\n"
 117   "gAAwHQYDVR0OBBYEFL/su87Y6HtwVuzz0SuS1tSZClvzMB8GA1UdIwQYMBaAFOk8\n"
 118   "HPutkm7mBqRWLKLhwFMnyPKVMAsGCSqGSIb3DQEBBQOBgQBCsrnfD1xzh8/Eih1f\n"
 119   "x+M0lPoX1Re5L2ElHI6DJpHYOBPwf9glwxnet2+avzgUQDUFwUSxOhodpyeaACXD\n"
 120   "o0gGVpcH8sOBTQ+aTdM37hGkPxoXjtIkR/LgG5nP2H2JRd5TkW8l13JdM4MJFB4W\n"
 121   "QcDzQ8REwidsfh9uKAluk1c/KQ==\n" "-----END CERTIFICATE-----\n";
 122
 123 static char pem2_key[] =
 124   "-----BEGIN DSA PRIVATE KEY-----\n"
 125   "MIIBugIBAAKBgQC5hPVagb4aDcWKc48Mmy+btg5Lw3Qaf2StnfMoxaBHvJtXVvGX\n"
 126   "1X43A+nyTPTji38wo10vu6GiN8LqNY8fsV+mol8B8SM2K+RPLy3dndU6pjmvelF8\n"
 127   "0iWOl3TPHsV7S3ZDgQcfBhS4blgS4ZDiN2/SG+xoxVji5jDgal4sY3jsBwIVAJ9W\n"
 128   "jEhkL/6NqnptltsEXRbvCKVxAoGAYgZ+5Fx2CLdGGl3Xl9QqIfsfMcnS9Po52CfR\n"
 129   "m/wnXacKpxr8U8EvQ8I3yIV/PUyrXYEy+x1eHlQRFiDGgFrZjJtD8N1roPTD8oqc\n"
 130   "OdIcew/v+iiTj9KhIuvc4IqLrSgOz+8Jhek2vYt6UNV79yUNbGARxO9wkM/WG+u7\n"
 131   "jsY+OpcCgYAPiodX8tHC3KzfS4sPi7op9+ED5FX6spgH1v0SsYC89bq0UNR/oA5D\n"
 132   "55/JeBFf5eQMLGtqpDXcvVTlYDaaMdGKWW5rHLq9LrrrfIfv2sjdoeukg+aLrfr6\n"
 133   "jlvXN8gyPpbCPvRD2n2RAg+3vPjvj/dBAF6W3w8IltzqsukGgq/SLwIUS5/r/2ya\n"
 134   "AoNBXjeBjgCGMei2m8E=\n" "-----END DSA PRIVATE KEY-----\n";
 135
 136 const gnutls_datum_t cert_dat[] = {
 137   {(void*)pem1_cert, sizeof (pem1_cert)}
 138   ,
 139   {(void*)pem2_cert, sizeof (pem2_cert)}
 140 };
 141
 142 const gnutls_datum_t key_dat[] = {
 143   {(void*)pem1_key, sizeof (pem1_key)}
 144   ,
 145   {(void*)pem2_key, sizeof (pem2_key)}
 146 };
 147
 148 void
 149 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   gnutls_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     {
 170       if (debug)
 171         success ("loop %d\n", (int) i);
 172
 173       ret = gnutls_x509_privkey_init (&key);
 174       if (ret < 0)
 175         fail ("gnutls_x509_privkey_init\n");
 176
 177       ret =
 178         gnutls_x509_privkey_import (key, &key_dat[i], 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 = gnutls_x509_crt_import (crt, &cert_dat[i], GNUTLS_X509_FMT_PEM);
 209       if (ret < 0)
 210         fail ("gnutls_x509_crt_import\n");
 211
 212       ret =
 213         gnutls_pubkey_import_x509 (pubkey, crt, 0);
 214       if (ret < 0)
 215         fail ("gnutls_x509_pubkey_import\n");
 216
 217       ret =
 218         gnutls_pubkey_get_verify_algorithm (pubkey, &signature, &hash_algo);
 219       if (ret < 0 || hash_algo != GNUTLS_DIG_SHA1)
 220         fail ("gnutls_x509_crt_get_verify_algorithm\n");
 221
 222       ret = gnutls_pubkey_verify_hash (pubkey, 0, &hash_data, &signature);
 223       if (ret < 0)
 224         fail ("gnutls_x509_pubkey_verify_hash\n");
 225
 226       ret =
 227         gnutls_pubkey_get_verify_algorithm (pubkey, &signature2, &hash_algo);
 228       if (ret < 0 || hash_algo != GNUTLS_DIG_SHA1)
 229         fail ("gnutls_x509_crt_get_verify_algorithm (hashed data)\n");
 230
 231       ret = gnutls_pubkey_verify_hash (pubkey, 0, &hash_data, &signature2);
 232       if (ret < 0)
 233         fail ("gnutls_x509_pubkey_verify_hash-1 (hashed data)\n");
 234
 235       /* should fail */
 236       ret = gnutls_pubkey_verify_hash (pubkey, 0, &invalid_hash_data, &signature2);
 237       if (ret != GNUTLS_E_PK_SIG_VERIFY_FAILED)
 238         fail ("gnutls_x509_pubkey_verify_hash-2 (hashed data)\n");
 239
 240       sign_algo = gnutls_pk_to_sign(gnutls_pubkey_get_pk_algorithm(pubkey, NULL),
 241                                     GNUTLS_DIG_SHA1);
 242
 243       ret = gnutls_pubkey_verify_hash2 (pubkey, sign_algo, 0, &hash_data, &signature2);
 244       if (ret < 0)
 245         fail ("gnutls_x509_pubkey_verify_hash2-1 (hashed data)\n");
 246
 247       /* should fail */
 248       ret = gnutls_pubkey_verify_hash2 (pubkey, sign_algo, 0, &invalid_hash_data, &signature2);
 249       if (ret != GNUTLS_E_PK_SIG_VERIFY_FAILED)
 250         fail ("gnutls_x509_pubkey_verify_hash2-2 (hashed data)\n");
 251
 252
 253       gnutls_free(signature.data);
 254       gnutls_free(signature2.data);
 255       gnutls_x509_privkey_deinit (key);
 256       gnutls_x509_crt_deinit (crt);
 257       gnutls_privkey_deinit (privkey);
 258       gnutls_pubkey_deinit (pubkey);
 259     }
 260
 261   gnutls_global_deinit ();
 262 }