test/rsa_test.c

   1 /*
   2  * Copyright 1999-2019 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 /* test vectors from p1ovect1.txt */
  11
  12 #include <stdio.h>
  13 #include <string.h>
  14
  15 #include "internal/nelem.h"
  16
  17 #include <openssl/crypto.h>
  18 #include <openssl/err.h>
  19 #include <openssl/rand.h>
  20 #include <openssl/bn.h>
  21
  22 #include "testutil.h"
  23
  24 #ifdef OPENSSL_NO_RSA
  25 int setup_tests(void)
  26 {
  27     /* No tests */
  28     return 1;
  29 }
  30 #else
  31 # include <openssl/rsa.h>
  32
  33 # define SetKey \
  34     RSA_set0_key(key,                                           \
  35                  BN_bin2bn(n, sizeof(n)-1, NULL),               \
  36                  BN_bin2bn(e, sizeof(e)-1, NULL),               \
  37                  BN_bin2bn(d, sizeof(d)-1, NULL));              \
  38     RSA_set0_factors(key,                                       \
  39                      BN_bin2bn(p, sizeof(p)-1, NULL),           \
  40                      BN_bin2bn(q, sizeof(q)-1, NULL));          \
  41     RSA_set0_crt_params(key,                                    \
  42                         BN_bin2bn(dmp1, sizeof(dmp1)-1, NULL),  \
  43                         BN_bin2bn(dmq1, sizeof(dmq1)-1, NULL),  \
  44                         BN_bin2bn(iqmp, sizeof(iqmp)-1, NULL)); \
  45     memcpy(c, ctext_ex, sizeof(ctext_ex) - 1);                  \
  46     return sizeof(ctext_ex) - 1;
  47
  48 static int key1(RSA *key, unsigned char *c)
  49 {
  50     static unsigned char n[] =
  51         "\x00\xAA\x36\xAB\xCE\x88\xAC\xFD\xFF\x55\x52\x3C\x7F\xC4\x52\x3F"
  52         "\x90\xEF\xA0\x0D\xF3\x77\x4A\x25\x9F\x2E\x62\xB4\xC5\xD9\x9C\xB5"
  53         "\xAD\xB3\x00\xA0\x28\x5E\x53\x01\x93\x0E\x0C\x70\xFB\x68\x76\x93"
  54         "\x9C\xE6\x16\xCE\x62\x4A\x11\xE0\x08\x6D\x34\x1E\xBC\xAC\xA0\xA1"
  55         "\xF5";
  56
  57     static unsigned char e[] = "\x11";
  58
  59     static unsigned char d[] =
  60         "\x0A\x03\x37\x48\x62\x64\x87\x69\x5F\x5F\x30\xBC\x38\xB9\x8B\x44"
  61         "\xC2\xCD\x2D\xFF\x43\x40\x98\xCD\x20\xD8\xA1\x38\xD0\x90\xBF\x64"
  62         "\x79\x7C\x3F\xA7\xA2\xCD\xCB\x3C\xD1\xE0\xBD\xBA\x26\x54\xB4\xF9"
  63         "\xDF\x8E\x8A\xE5\x9D\x73\x3D\x9F\x33\xB3\x01\x62\x4A\xFD\x1D\x51";
  64
  65     static unsigned char p[] =
  66         "\x00\xD8\x40\xB4\x16\x66\xB4\x2E\x92\xEA\x0D\xA3\xB4\x32\x04\xB5"
  67         "\xCF\xCE\x33\x52\x52\x4D\x04\x16\xA5\xA4\x41\xE7\x00\xAF\x46\x12"
  68         "\x0D";
  69
  70     static unsigned char q[] =
  71         "\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
  72         "\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5A\x0F\x20\x35\x02\x8B\x9D"
  73         "\x89";
  74
  75     static unsigned char dmp1[] =
  76         "\x59\x0B\x95\x72\xA2\xC2\xA9\xC4\x06\x05\x9D\xC2\xAB\x2F\x1D\xAF"
  77         "\xEB\x7E\x8B\x4F\x10\xA7\x54\x9E\x8E\xED\xF5\xB4\xFC\xE0\x9E\x05";
  78
  79     static unsigned char dmq1[] =
  80         "\x00\x8E\x3C\x05\x21\xFE\x15\xE0\xEA\x06\xA3\x6F\xF0\xF1\x0C\x99"
  81         "\x52\xC3\x5B\x7A\x75\x14\xFD\x32\x38\xB8\x0A\xAD\x52\x98\x62\x8D"
  82         "\x51";
  83
  84     static unsigned char iqmp[] =
  85         "\x36\x3F\xF7\x18\x9D\xA8\xE9\x0B\x1D\x34\x1F\x71\xD0\x9B\x76\xA8"
  86         "\xA9\x43\xE1\x1D\x10\xB2\x4D\x24\x9F\x2D\xEA\xFE\xF8\x0C\x18\x26";
  87
  88     static unsigned char ctext_ex[] =
  89         "\x1b\x8f\x05\xf9\xca\x1a\x79\x52\x6e\x53\xf3\xcc\x51\x4f\xdb\x89"
  90         "\x2b\xfb\x91\x93\x23\x1e\x78\xb9\x92\xe6\x8d\x50\xa4\x80\xcb\x52"
  91         "\x33\x89\x5c\x74\x95\x8d\x5d\x02\xab\x8c\x0f\xd0\x40\xeb\x58\x44"
  92         "\xb0\x05\xc3\x9e\xd8\x27\x4a\x9d\xbf\xa8\x06\x71\x40\x94\x39\xd2";
  93
  94     SetKey;
  95 }
  96
  97 static int key2(RSA *key, unsigned char *c)
  98 {
  99     static unsigned char n[] =
 100         "\x00\xA3\x07\x9A\x90\xDF\x0D\xFD\x72\xAC\x09\x0C\xCC\x2A\x78\xB8"
 101         "\x74\x13\x13\x3E\x40\x75\x9C\x98\xFA\xF8\x20\x4F\x35\x8A\x0B\x26"
 102         "\x3C\x67\x70\xE7\x83\xA9\x3B\x69\x71\xB7\x37\x79\xD2\x71\x7B\xE8"
 103         "\x34\x77\xCF";
 104
 105     static unsigned char e[] = "\x3";
 106
 107     static unsigned char d[] =
 108         "\x6C\xAF\xBC\x60\x94\xB3\xFE\x4C\x72\xB0\xB3\x32\xC6\xFB\x25\xA2"
 109         "\xB7\x62\x29\x80\x4E\x68\x65\xFC\xA4\x5A\x74\xDF\x0F\x8F\xB8\x41"
 110         "\x3B\x52\xC0\xD0\xE5\x3D\x9B\x59\x0F\xF1\x9B\xE7\x9F\x49\xDD\x21"
 111         "\xE5\xEB";
 112
 113     static unsigned char p[] =
 114         "\x00\xCF\x20\x35\x02\x8B\x9D\x86\x98\x40\xB4\x16\x66\xB4\x2E\x92"
 115         "\xEA\x0D\xA3\xB4\x32\x04\xB5\xCF\xCE\x91";
 116
 117     static unsigned char q[] =
 118         "\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
 119         "\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5F";
 120
 121     static unsigned char dmp1[] =
 122         "\x00\x8A\x15\x78\xAC\x5D\x13\xAF\x10\x2B\x22\xB9\x99\xCD\x74\x61"
 123         "\xF1\x5E\x6D\x22\xCC\x03\x23\xDF\xDF\x0B";
 124
 125     static unsigned char dmq1[] =
 126         "\x00\x86\x55\x21\x4A\xC5\x4D\x8D\x4E\xCD\x61\x77\xF1\xC7\x36\x90"
 127         "\xCE\x2A\x48\x2C\x8B\x05\x99\xCB\xE0\x3F";
 128
 129     static unsigned char iqmp[] =
 130         "\x00\x83\xEF\xEF\xB8\xA9\xA4\x0D\x1D\xB6\xED\x98\xAD\x84\xED\x13"
 131         "\x35\xDC\xC1\x08\xF3\x22\xD0\x57\xCF\x8D";
 132
 133     static unsigned char ctext_ex[] =
 134         "\x14\xbd\xdd\x28\xc9\x83\x35\x19\x23\x80\xe8\xe5\x49\xb1\x58\x2a"
 135         "\x8b\x40\xb4\x48\x6d\x03\xa6\xa5\x31\x1f\x1f\xd5\xf0\xa1\x80\xe4"
 136         "\x17\x53\x03\x29\xa9\x34\x90\x74\xb1\x52\x13\x54\x29\x08\x24\x52"
 137         "\x62\x51";
 138
 139     SetKey;
 140 }
 141
 142 static int key3(RSA *key, unsigned char *c)
 143 {
 144     static unsigned char n[] =
 145         "\x00\xBB\xF8\x2F\x09\x06\x82\xCE\x9C\x23\x38\xAC\x2B\x9D\xA8\x71"
 146         "\xF7\x36\x8D\x07\xEE\xD4\x10\x43\xA4\x40\xD6\xB6\xF0\x74\x54\xF5"
 147         "\x1F\xB8\xDF\xBA\xAF\x03\x5C\x02\xAB\x61\xEA\x48\xCE\xEB\x6F\xCD"
 148         "\x48\x76\xED\x52\x0D\x60\xE1\xEC\x46\x19\x71\x9D\x8A\x5B\x8B\x80"
 149         "\x7F\xAF\xB8\xE0\xA3\xDF\xC7\x37\x72\x3E\xE6\xB4\xB7\xD9\x3A\x25"
 150         "\x84\xEE\x6A\x64\x9D\x06\x09\x53\x74\x88\x34\xB2\x45\x45\x98\x39"
 151         "\x4E\xE0\xAA\xB1\x2D\x7B\x61\xA5\x1F\x52\x7A\x9A\x41\xF6\xC1\x68"
 152         "\x7F\xE2\x53\x72\x98\xCA\x2A\x8F\x59\x46\xF8\xE5\xFD\x09\x1D\xBD"
 153         "\xCB";
 154
 155     static unsigned char e[] = "\x11";
 156
 157     static unsigned char d[] =
 158         "\x00\xA5\xDA\xFC\x53\x41\xFA\xF2\x89\xC4\xB9\x88\xDB\x30\xC1\xCD"
 159         "\xF8\x3F\x31\x25\x1E\x06\x68\xB4\x27\x84\x81\x38\x01\x57\x96\x41"
 160         "\xB2\x94\x10\xB3\xC7\x99\x8D\x6B\xC4\x65\x74\x5E\x5C\x39\x26\x69"
 161         "\xD6\x87\x0D\xA2\xC0\x82\xA9\x39\xE3\x7F\xDC\xB8\x2E\xC9\x3E\xDA"
 162         "\xC9\x7F\xF3\xAD\x59\x50\xAC\xCF\xBC\x11\x1C\x76\xF1\xA9\x52\x94"
 163         "\x44\xE5\x6A\xAF\x68\xC5\x6C\x09\x2C\xD3\x8D\xC3\xBE\xF5\xD2\x0A"
 164         "\x93\x99\x26\xED\x4F\x74\xA1\x3E\xDD\xFB\xE1\xA1\xCE\xCC\x48\x94"
 165         "\xAF\x94\x28\xC2\xB7\xB8\x88\x3F\xE4\x46\x3A\x4B\xC8\x5B\x1C\xB3"
 166         "\xC1";
 167
 168     static unsigned char p[] =
 169         "\x00\xEE\xCF\xAE\x81\xB1\xB9\xB3\xC9\x08\x81\x0B\x10\xA1\xB5\x60"
 170         "\x01\x99\xEB\x9F\x44\xAE\xF4\xFD\xA4\x93\xB8\x1A\x9E\x3D\x84\xF6"
 171         "\x32\x12\x4E\xF0\x23\x6E\x5D\x1E\x3B\x7E\x28\xFA\xE7\xAA\x04\x0A"
 172         "\x2D\x5B\x25\x21\x76\x45\x9D\x1F\x39\x75\x41\xBA\x2A\x58\xFB\x65"
 173         "\x99";
 174
 175     static unsigned char q[] =
 176         "\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
 177         "\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5A\x0F\x20\x35\x02\x8B\x9D"
 178         "\x86\x98\x40\xB4\x16\x66\xB4\x2E\x92\xEA\x0D\xA3\xB4\x32\x04\xB5"
 179         "\xCF\xCE\x33\x52\x52\x4D\x04\x16\xA5\xA4\x41\xE7\x00\xAF\x46\x15"
 180         "\x03";
 181
 182     static unsigned char dmp1[] =
 183         "\x54\x49\x4C\xA6\x3E\xBA\x03\x37\xE4\xE2\x40\x23\xFC\xD6\x9A\x5A"
 184         "\xEB\x07\xDD\xDC\x01\x83\xA4\xD0\xAC\x9B\x54\xB0\x51\xF2\xB1\x3E"
 185         "\xD9\x49\x09\x75\xEA\xB7\x74\x14\xFF\x59\xC1\xF7\x69\x2E\x9A\x2E"
 186         "\x20\x2B\x38\xFC\x91\x0A\x47\x41\x74\xAD\xC9\x3C\x1F\x67\xC9\x81";
 187
 188     static unsigned char dmq1[] =
 189         "\x47\x1E\x02\x90\xFF\x0A\xF0\x75\x03\x51\xB7\xF8\x78\x86\x4C\xA9"
 190         "\x61\xAD\xBD\x3A\x8A\x7E\x99\x1C\x5C\x05\x56\xA9\x4C\x31\x46\xA7"
 191         "\xF9\x80\x3F\x8F\x6F\x8A\xE3\x42\xE9\x31\xFD\x8A\xE4\x7A\x22\x0D"
 192         "\x1B\x99\xA4\x95\x84\x98\x07\xFE\x39\xF9\x24\x5A\x98\x36\xDA\x3D";
 193
 194     static unsigned char iqmp[] =
 195         "\x00\xB0\x6C\x4F\xDA\xBB\x63\x01\x19\x8D\x26\x5B\xDB\xAE\x94\x23"
 196         "\xB3\x80\xF2\x71\xF7\x34\x53\x88\x50\x93\x07\x7F\xCD\x39\xE2\x11"
 197         "\x9F\xC9\x86\x32\x15\x4F\x58\x83\xB1\x67\xA9\x67\xBF\x40\x2B\x4E"
 198         "\x9E\x2E\x0F\x96\x56\xE6\x98\xEA\x36\x66\xED\xFB\x25\x79\x80\x39"
 199         "\xF7";
 200
 201     static unsigned char ctext_ex[] =
 202         "\xb8\x24\x6b\x56\xa6\xed\x58\x81\xae\xb5\x85\xd9\xa2\x5b\x2a\xd7"
 203         "\x90\xc4\x17\xe0\x80\x68\x1b\xf1\xac\x2b\xc3\xde\xb6\x9d\x8b\xce"
 204         "\xf0\xc4\x36\x6f\xec\x40\x0a\xf0\x52\xa7\x2e\x9b\x0e\xff\xb5\xb3"
 205         "\xf2\xf1\x92\xdb\xea\xca\x03\xc1\x27\x40\x05\x71\x13\xbf\x1f\x06"
 206         "\x69\xac\x22\xe9\xf3\xa7\x85\x2e\x3c\x15\xd9\x13\xca\xb0\xb8\x86"
 207         "\x3a\x95\xc9\x92\x94\xce\x86\x74\x21\x49\x54\x61\x03\x46\xf4\xd4"
 208         "\x74\xb2\x6f\x7c\x48\xb4\x2e\xe6\x8e\x1f\x57\x2a\x1f\xc4\x02\x6a"
 209         "\xc4\x56\xb4\xf5\x9f\x7b\x62\x1e\xa1\xb9\xd8\x8f\x64\x20\x2f\xb1";
 210
 211     SetKey;
 212 }
 213
 214 static int pad_unknown(void)
 215 {
 216     unsigned long l;
 217     while ((l = ERR_get_error()) != 0)
 218         if (ERR_GET_REASON(l) == RSA_R_UNKNOWN_PADDING_TYPE)
 219             return 1;
 220     return 0;
 221 }
 222
 223 static int rsa_setkey(RSA** key, unsigned char* ctext, int idx)
 224 {
 225     int clen = 0;
 226     *key = RSA_new();
 227     switch (idx) {
 228     case 0:
 229         clen = key1(*key, ctext);
 230         break;
 231     case 1:
 232         clen = key2(*key, ctext);
 233         break;
 234     case 2:
 235         clen = key3(*key, ctext);
 236         break;
 237     }
 238     return clen;
 239 }
 240
 241 static int test_rsa_pkcs1(int idx)
 242 {
 243     int ret = 0;
 244     RSA *key;
 245     unsigned char ptext[256];
 246     unsigned char ctext[256];
 247     static unsigned char ptext_ex[] = "\x54\x85\x9b\x34\x2c\x49\xea\x2a";
 248     unsigned char ctext_ex[256];
 249     int plen;
 250     int clen = 0;
 251     int num;
 252
 253     plen = sizeof(ptext_ex) - 1;
 254     clen = rsa_setkey(&key, ctext_ex, idx);
 255
 256     num = RSA_public_encrypt(plen, ptext_ex, ctext, key,
 257                              RSA_PKCS1_PADDING);
 258     if (!TEST_int_eq(num, clen))
 259         goto err;
 260
 261     num = RSA_private_decrypt(num, ctext, ptext, key, RSA_PKCS1_PADDING);
 262     if (!TEST_mem_eq(ptext, num, ptext_ex, plen))
 263         goto err;
 264
 265     ret = 1;
 266 err:
 267     RSA_free(key);
 268     return ret;
 269 }
 270
 271 static int test_rsa_sslv23(int idx)
 272 {
 273     int ret = 0;
 274     RSA *key;
 275     unsigned char ptext[256];
 276     unsigned char ctext[256];
 277     static unsigned char ptext_ex[] = "\x54\x85\x9b\x34\x2c\x49\xea\x2a";
 278     unsigned char ctext_ex[256];
 279     int plen;
 280     int clen = 0;
 281     int num;
 282
 283     plen = sizeof(ptext_ex) - 1;
 284     clen = rsa_setkey(&key, ctext_ex, idx);
 285
 286     num = RSA_public_encrypt(plen, ptext_ex, ctext, key,
 287                              RSA_SSLV23_PADDING);
 288     if (!TEST_int_eq(num, clen))
 289         goto err;
 290
 291     num = RSA_private_decrypt(num, ctext, ptext, key, RSA_SSLV23_PADDING);
 292     if (!TEST_mem_eq(ptext, num, ptext_ex, plen))
 293         goto err;
 294
 295     ret = 1;
 296 err:
 297     RSA_free(key);
 298     return ret;
 299 }
 300
 301 static int test_rsa_oaep(int idx)
 302 {
 303     int ret = 0;
 304     RSA *key;
 305     unsigned char ptext[256];
 306     unsigned char ctext[256];
 307     static unsigned char ptext_ex[] = "\x54\x85\x9b\x34\x2c\x49\xea\x2a";
 308     unsigned char ctext_ex[256];
 309     int plen;
 310     int clen = 0;
 311     int num;
 312     int n;
 313
 314     plen = sizeof(ptext_ex) - 1;
 315     clen = rsa_setkey(&key, ctext_ex, idx);
 316
 317     num = RSA_public_encrypt(plen, ptext_ex, ctext, key,
 318                              RSA_PKCS1_OAEP_PADDING);
 319     if (num == -1 && pad_unknown()) {
 320         TEST_info("Skipping: No OAEP support");
 321         ret = 1;
 322         goto err;
 323     }
 324     if (!TEST_int_eq(num, clen))
 325         goto err;
 326
 327     num = RSA_private_decrypt(num, ctext, ptext, key,
 328                               RSA_PKCS1_OAEP_PADDING);
 329     if (!TEST_mem_eq(ptext, num, ptext_ex, plen))
 330         goto err;
 331
 332     /* Different ciphertexts. Try decrypting ctext_ex */
 333     num = RSA_private_decrypt(clen, ctext_ex, ptext, key,
 334                               RSA_PKCS1_OAEP_PADDING);
 335     if (!TEST_mem_eq(ptext, num, ptext_ex, plen))
 336         goto err;
 337
 338     /* Try decrypting corrupted ciphertexts. */
 339     for (n = 0; n < clen; ++n) {
 340         ctext[n] ^= 1;
 341         num = RSA_private_decrypt(clen, ctext, ptext, key,
 342                                       RSA_PKCS1_OAEP_PADDING);
 343         if (!TEST_int_le(num, 0))
 344             goto err;
 345         ctext[n] ^= 1;
 346     }
 347
 348     /* Test truncated ciphertexts, as well as negative length. */
 349     for (n = -1; n < clen; ++n) {
 350         num = RSA_private_decrypt(n, ctext, ptext, key,
 351                                   RSA_PKCS1_OAEP_PADDING);
 352         if (!TEST_int_le(num, 0))
 353             goto err;
 354     }
 355
 356     ret = 1;
 357 err:
 358     RSA_free(key);
 359     return ret;
 360 }
 361
 362 static const struct {
 363     int bits;
 364     unsigned int r;
 365 } rsa_security_bits_cases[] = {
 366     /* NIST SP 800-56B rev 2 (draft) Appendix D Table 5 */
 367     { 2048,     112 },
 368     { 3072,     128 },
 369     { 4096,     152 },
 370     { 6144,     176 },
 371     { 8192,     200 },
 372     /* Older values */
 373     { 256,      40  },
 374     { 512,      56  },
 375     { 1024,     80  },
 376     /* Slightly different value to the 256 that NIST lists in their tables */
 377     { 15360,    264 },
 378     /* Some other values */
 379     { 8888,     208 },
 380     { 2468,     120 },
 381     { 13456,    248 }
 382 };
 383
 384 static int test_rsa_security_bit(int n)
 385 {
 386     static const unsigned char vals[8] = {
 387         0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40
 388     };
 389     RSA *key = RSA_new();
 390     const int bits = rsa_security_bits_cases[n].bits;
 391     const int result = rsa_security_bits_cases[n].r;
 392     const int bytes = (bits + 7) / 8;
 393     int r = 0;
 394     unsigned char num[2000];
 395
 396     if (!TEST_ptr(key) || !TEST_int_le(bytes, (int)sizeof(num)))
 397         goto err;
 398
 399     /*
 400      * It is necessary to set the RSA key in order to ask for the strength.
 401      * A BN of an appropriate size is created, in general it won't have the
 402      * properties necessary for RSA to function.  This is okay here since
 403      * the RSA key is never used.
 404      */
 405     memset(num, vals[bits % 8], bytes);
 406
 407     /*
 408      * The 'e' parameter is set to the same value as 'n'.  This saves having
 409      * an extra BN to hold a sensible value for 'e'.  This is safe since the
 410      * RSA key is not used.  The 'd' parameter can be NULL safely.
 411      */
 412     if (TEST_true(RSA_set0_key(key, BN_bin2bn(num, bytes, NULL),
 413                                BN_bin2bn(num, bytes, NULL), NULL))
 414             && TEST_uint_eq(RSA_security_bits(key), result))
 415         r = 1;
 416 err:
 417     RSA_free(key);
 418     return r;
 419 }
 420
 421 int setup_tests(void)
 422 {
 423     ADD_ALL_TESTS(test_rsa_pkcs1, 3);
 424     ADD_ALL_TESTS(test_rsa_sslv23, 3);
 425     ADD_ALL_TESTS(test_rsa_oaep, 3);
 426     ADD_ALL_TESTS(test_rsa_security_bit, OSSL_NELEM(rsa_security_bits_cases));
 427     return 1;
 428 }
 429 #endif