release/src/router/dropbear/libtomcrypt/testprof/rsa_test.c

   1 #include <tomcrypt_test.h>
   2
   3 #ifdef MRSA
   4
   5 #define RSA_MSGSIZE 78
   6
   7 /* These are test keys [see file test.key] that I use to test my import/export against */
   8 static const unsigned char openssl_private_rsa[] = {
   9    0x30, 0x82, 0x02, 0x5e, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde, 0x64, 0x8a,
  10    0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7, 0xa1, 0xb7,
  11    0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96, 0x65, 0xe5,
  12    0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60, 0x12, 0x8a,
  13    0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b, 0xbf, 0x12,
  14    0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68, 0x7c, 0x61,
  15    0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4, 0xe2, 0x76,
  16    0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a, 0x60, 0x3f,
  17    0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01, 0x00, 0x01,
  18    0x02, 0x81, 0x81, 0x00, 0xc8, 0x62, 0xb9, 0xea, 0xde, 0x44, 0x53, 0x1d, 0x56, 0x97, 0xd9, 0x97,
  19    0x9e, 0x1a, 0xcf, 0x30, 0x1e, 0x0a, 0x88, 0x45, 0x86, 0x29, 0x30, 0xa3, 0x4d, 0x9f, 0x61, 0x65,
  20    0x73, 0xe0, 0xd6, 0x87, 0x8f, 0xb6, 0xf3, 0x06, 0xa3, 0x82, 0xdc, 0x7c, 0xac, 0xfe, 0x9b, 0x28,
  21    0x9a, 0xae, 0xfd, 0xfb, 0xfe, 0x2f, 0x0e, 0xd8, 0x97, 0x04, 0xe3, 0xbb, 0x1f, 0xd1, 0xec, 0x0d,
  22    0xba, 0xa3, 0x49, 0x7f, 0x47, 0xac, 0x8a, 0x44, 0x04, 0x7e, 0x86, 0xb7, 0x39, 0x42, 0x3f, 0xad,
  23    0x1e, 0xb7, 0x0e, 0xa5, 0x51, 0xf4, 0x40, 0x63, 0x1e, 0xfd, 0xbd, 0xea, 0x9f, 0x41, 0x9f, 0xa8,
  24    0x90, 0x1d, 0x6f, 0x0a, 0x5a, 0x95, 0x13, 0x11, 0x0d, 0x80, 0xaf, 0x5f, 0x64, 0x98, 0x8a, 0x2c,
  25    0x78, 0x68, 0x65, 0xb0, 0x2b, 0x8b, 0xa2, 0x53, 0x87, 0xca, 0xf1, 0x64, 0x04, 0xab, 0xf2, 0x7b,
  26    0xdb, 0x83, 0xc8, 0x81, 0x02, 0x41, 0x00, 0xf7, 0xbe, 0x5e, 0x23, 0xc3, 0x32, 0x3f, 0xbf, 0x8b,
  27    0x8e, 0x3a, 0xee, 0xfc, 0xfc, 0xcb, 0xe5, 0xf7, 0xf1, 0x0b, 0xbc, 0x42, 0x82, 0xae, 0xd5, 0x7a,
  28    0x3e, 0xca, 0xf7, 0xd5, 0x69, 0x3f, 0x64, 0x25, 0xa2, 0x1f, 0xb7, 0x75, 0x75, 0x05, 0x92, 0x42,
  29    0xeb, 0xb8, 0xf1, 0xf3, 0x0a, 0x05, 0xe3, 0x94, 0xd1, 0x55, 0x78, 0x35, 0xa0, 0x36, 0xa0, 0x9b,
  30    0x7c, 0x92, 0x84, 0x6c, 0xdd, 0xdc, 0x4d, 0x02, 0x41, 0x00, 0xd6, 0x86, 0x0e, 0x85, 0x42, 0x0b,
  31    0x04, 0x08, 0x84, 0x21, 0x60, 0xf0, 0x0e, 0x0d, 0x88, 0xfd, 0x1e, 0x36, 0x10, 0x65, 0x4f, 0x1e,
  32    0x53, 0xb4, 0x08, 0x72, 0x80, 0x5c, 0x3f, 0x59, 0x66, 0x17, 0xe6, 0x98, 0xf2, 0xe9, 0x6c, 0x7a,
  33    0x06, 0x4c, 0xac, 0x76, 0x3d, 0xed, 0x8c, 0xa1, 0xce, 0xad, 0x1b, 0xbd, 0xb4, 0x7d, 0x28, 0xbc,
  34    0xe3, 0x0e, 0x38, 0x8d, 0x99, 0xd8, 0x05, 0xb5, 0xa3, 0x71, 0x02, 0x40, 0x6d, 0xeb, 0xc3, 0x2d,
  35    0x2e, 0xf0, 0x5e, 0xa4, 0x88, 0x31, 0x05, 0x29, 0x00, 0x8a, 0xd1, 0x95, 0x29, 0x9b, 0x83, 0xcf,
  36    0x75, 0xdb, 0x31, 0xe3, 0x7a, 0x27, 0xde, 0x3a, 0x74, 0x30, 0x0c, 0x76, 0x4c, 0xd4, 0x50, 0x2a,
  37    0x40, 0x2d, 0x39, 0xd9, 0x99, 0x63, 0xa9, 0x5d, 0x80, 0xae, 0x53, 0xca, 0x94, 0x3f, 0x05, 0x23,
  38    0x1e, 0xf8, 0x05, 0x04, 0xe1, 0xb8, 0x35, 0xf2, 0x17, 0xb3, 0xa0, 0x89, 0x02, 0x41, 0x00, 0xab,
  39    0x90, 0x88, 0xfa, 0x60, 0x08, 0x29, 0x50, 0x9a, 0x43, 0x8b, 0xa0, 0x50, 0xcc, 0xd8, 0x5a, 0xfe,
  40    0x97, 0x64, 0x63, 0x71, 0x74, 0x22, 0xa3, 0x20, 0x02, 0x5a, 0xcf, 0xeb, 0xc6, 0x16, 0x95, 0x54,
  41    0xd1, 0xcb, 0xab, 0x8d, 0x1a, 0xc6, 0x00, 0xfa, 0x08, 0x92, 0x9c, 0x71, 0xd5, 0x52, 0x52, 0x35,
  42    0x96, 0x71, 0x4b, 0x8b, 0x92, 0x0c, 0xd0, 0xe9, 0xbf, 0xad, 0x63, 0x0b, 0xa5, 0xe9, 0xb1, 0x02,
  43    0x41, 0x00, 0xdc, 0xcc, 0x27, 0xc8, 0xe4, 0xdc, 0x62, 0x48, 0xd5, 0x9b, 0xaf, 0xf5, 0xab, 0x60,
  44    0xf6, 0x21, 0xfd, 0x53, 0xe2, 0xb7, 0x5d, 0x09, 0xc9, 0x1a, 0xa1, 0x04, 0xa9, 0xfc, 0x61, 0x2c,
  45    0x5d, 0x04, 0x58, 0x3a, 0x5a, 0x39, 0xf1, 0x4a, 0x21, 0x56, 0x67, 0xfd, 0xcc, 0x20, 0xa3, 0x8f,
  46    0x78, 0x18, 0x5a, 0x79, 0x3d, 0x2e, 0x8e, 0x7e, 0x86, 0x0a, 0xe6, 0xa8, 0x33, 0xc1, 0x04, 0x17,
  47    0x4a, 0x9f,  };
  48
  49
  50 /*** openssl public RSA key in DER format */
  51 static const unsigned char openssl_public_rsa[] = {
  52    0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01,
  53    0x05, 0x00, 0x03, 0x81, 0x8d, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde,
  54    0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7,
  55    0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96,
  56    0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60,
  57    0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b,
  58    0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68,
  59    0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4,
  60    0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a,
  61    0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01,
  62    0x00, 0x01,  };
  63
  64 /* same key but with extra headers stripped */
  65 static const unsigned char openssl_public_rsa_stripped[] = {
  66    0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde,
  67    0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7,
  68    0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96,
  69    0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60,
  70    0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b,
  71    0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68,
  72    0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4,
  73    0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a,
  74    0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01,
  75    0x00, 0x01,  };
  76
  77 static int rsa_compat_test(void)
  78 {
  79    rsa_key key;
  80    unsigned char buf[1024];
  81    unsigned long len;
  82
  83    /* try reading the key */
  84    DO(rsa_import(openssl_private_rsa, sizeof(openssl_private_rsa), &key));
  85
  86    /* now try to export private/public and compare */
  87    len = sizeof(buf);
  88    DO(rsa_export(buf, &len, PK_PRIVATE, &key));
  89    if (len != sizeof(openssl_private_rsa) || memcmp(buf, openssl_private_rsa, len)) {
  90       fprintf(stderr, "RSA private export failed to match OpenSSL output, %lu, %lu\n", len, (unsigned long)sizeof(openssl_private_rsa));
  91       return 1;
  92    }
  93
  94    len = sizeof(buf);
  95    DO(rsa_export(buf, &len, PK_PUBLIC, &key));
  96    if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
  97       fprintf(stderr, "RSA(private) public export failed to match OpenSSL output\n");
  98       return 1;
  99    }
 100    rsa_free(&key);
 101
 102    /* try reading the public key */
 103    DO(rsa_import(openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), &key));
 104    len = sizeof(buf);
 105    DO(rsa_export(buf, &len, PK_PUBLIC, &key));
 106    if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
 107       fprintf(stderr, "RSA(public) stripped public import failed to match OpenSSL output\n");
 108       return 1;
 109    }
 110    rsa_free(&key);
 111
 112    /* try reading the public key */
 113    DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &key));
 114    len = sizeof(buf);
 115    DO(rsa_export(buf, &len, PK_PUBLIC, &key));
 116    if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
 117       fprintf(stderr, "RSA(public) SSL public import failed to match OpenSSL output\n");
 118       return 1;
 119    }
 120    rsa_free(&key);
 121
 122    return 0;
 123 }
 124
 125 int rsa_test(void)
 126 {
 127    unsigned char in[1024], out[1024], tmp[1024];
 128    rsa_key       key, privKey, pubKey;
 129    int           hash_idx, prng_idx, stat, stat2;
 130    unsigned long rsa_msgsize, len, len2, cnt;
 131    static unsigned char lparam[] = { 0x01, 0x02, 0x03, 0x04 };
 132
 133    if (rsa_compat_test() != 0) {
 134       return 1;
 135    }
 136
 137    hash_idx = find_hash("sha1");
 138    prng_idx = find_prng("yarrow");
 139    if (hash_idx == -1 || prng_idx == -1) {
 140       fprintf(stderr, "rsa_test requires SHA1 and yarrow");
 141       return 1;
 142    }
 143
 144    /* make 10 random key */
 145    for (cnt = 0; cnt < 10; cnt++) {
 146       DO(rsa_make_key(&yarrow_prng, prng_idx, 1024/8, 65537, &key));
 147       if (mp_count_bits(key.N) != 1024) {
 148          fprintf(stderr, "rsa_1024 key modulus has %d bits\n", mp_count_bits(key.N));
 149
 150 len = mp_unsigned_bin_size(key.N);
 151 mp_to_unsigned_bin(key.N, tmp);
 152  fprintf(stderr, "N == \n");
 153 for (cnt = 0; cnt < len; ) {
 154    fprintf(stderr, "%02x ", tmp[cnt]);
 155    if (!(++cnt & 15)) fprintf(stderr, "\n");
 156 }
 157
 158 len = mp_unsigned_bin_size(key.p);
 159 mp_to_unsigned_bin(key.p, tmp);
 160  fprintf(stderr, "p == \n");
 161 for (cnt = 0; cnt < len; ) {
 162    fprintf(stderr, "%02x ", tmp[cnt]);
 163    if (!(++cnt & 15)) fprintf(stderr, "\n");
 164 }
 165
 166 len = mp_unsigned_bin_size(key.q);
 167 mp_to_unsigned_bin(key.q, tmp);
 168  fprintf(stderr, "\nq == \n");
 169 for (cnt = 0; cnt < len; ) {
 170    fprintf(stderr, "%02x ", tmp[cnt]);
 171    if (!(++cnt & 15)) fprintf(stderr, "\n");
 172 }
 173  fprintf(stderr, "\n");
 174
 175
 176          return 1;
 177       }
 178       if (cnt != 9) {
 179          rsa_free(&key);
 180       }
 181    }
 182
 183    /* encrypt the key (without lparam) */
 184    for (cnt = 0; cnt < 4; cnt++) {
 185    for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) {
 186       /* make a random key/msg */
 187       yarrow_read(in, rsa_msgsize, &yarrow_prng);
 188
 189       len  = sizeof(out);
 190       len2 = rsa_msgsize;
 191
 192       DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, hash_idx, &key));
 193       /* change a byte */
 194       out[8] ^= 1;
 195       DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat2, &key));
 196       /* change a byte back */
 197       out[8] ^= 1;
 198       if (len2 != rsa_msgsize) {
 199          fprintf(stderr, "\nrsa_decrypt_key mismatch len %lu (first decrypt)", len2);
 200          return 1;
 201       }
 202
 203       len2 = rsa_msgsize;
 204       DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat, &key));
 205       if (!(stat == 1 && stat2 == 0)) {
 206          fprintf(stderr, "rsa_decrypt_key failed");
 207          return 1;
 208       }
 209       if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
 210          unsigned long x;
 211          fprintf(stderr, "\nrsa_decrypt_key mismatch, len %lu (second decrypt)\n", len2);
 212          fprintf(stderr, "Original contents: \n");
 213          for (x = 0; x < rsa_msgsize; ) {
 214              fprintf(stderr, "%02x ", in[x]);
 215              if (!(++x % 16)) {
 216                 fprintf(stderr, "\n");
 217              }
 218          }
 219          fprintf(stderr, "\n");
 220          fprintf(stderr, "Output contents: \n");
 221          for (x = 0; x < rsa_msgsize; ) {
 222              fprintf(stderr, "%02x ", out[x]);
 223              if (!(++x % 16)) {
 224                 fprintf(stderr, "\n");
 225              }
 226          }
 227          fprintf(stderr, "\n");
 228          return 1;
 229       }
 230    }
 231    }
 232
 233    /* encrypt the key (with lparam) */
 234    for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) {
 235       len  = sizeof(out);
 236       len2 = rsa_msgsize;
 237       DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, lparam, sizeof(lparam), &yarrow_prng, prng_idx, hash_idx, &key));
 238       /* change a byte */
 239       out[8] ^= 1;
 240       DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat2, &key));
 241       if (len2 != rsa_msgsize) {
 242          fprintf(stderr, "\nrsa_decrypt_key mismatch len %lu (first decrypt)", len2);
 243          return 1;
 244       }
 245       /* change a byte back */
 246       out[8] ^= 1;
 247
 248       len2 = rsa_msgsize;
 249       DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat, &key));
 250       if (!(stat == 1 && stat2 == 0)) {
 251          fprintf(stderr, "rsa_decrypt_key failed");
 252          return 1;
 253       }
 254       if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
 255          fprintf(stderr, "rsa_decrypt_key mismatch len %lu", len2);
 256          return 1;
 257       }
 258    }
 259
 260    /* encrypt the key PKCS #1 v1.5 (payload from 1 to 117 bytes) */
 261    for (rsa_msgsize = 1; rsa_msgsize <= 117; rsa_msgsize++) {
 262       len  = sizeof(out);
 263       len2 = rsa_msgsize;
 264       DO(rsa_encrypt_key_ex(in, rsa_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, 0, LTC_PKCS_1_V1_5, &key));
 265
 266       len2 = rsa_msgsize;
 267       DO(rsa_decrypt_key_ex(out, len, tmp, &len2, NULL, 0, 0, LTC_PKCS_1_V1_5, &stat, &key));
 268       if (!(stat == 1 && stat2 == 0)) {
 269          fprintf(stderr, "rsa_decrypt_key_ex failed, %d, %d", stat, stat2);
 270          return 1;
 271       }
 272       if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
 273          fprintf(stderr, "rsa_decrypt_key_ex mismatch len %lu", len2);
 274          return 1;
 275       }
 276    }
 277
 278    /* sign a message (unsalted, lower cholestorol and Atkins approved) now */
 279    len = sizeof(out);
 280    DO(rsa_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 0, &key));
 281
 282 /* export key and import as both private and public */
 283    len2 = sizeof(tmp);
 284    DO(rsa_export(tmp, &len2, PK_PRIVATE, &key));
 285    DO(rsa_import(tmp, len2, &privKey));
 286    len2 = sizeof(tmp);
 287    DO(rsa_export(tmp, &len2, PK_PUBLIC, &key));
 288    DO(rsa_import(tmp, len2, &pubKey));
 289
 290    /* verify with original */
 291    DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &key));
 292    /* change a byte */
 293    in[0] ^= 1;
 294    DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &key));
 295
 296    if (!(stat == 1 && stat2 == 0)) {
 297       fprintf(stderr, "rsa_verify_hash (unsalted, origKey) failed, %d, %d", stat, stat2);
 298       rsa_free(&key);
 299       rsa_free(&pubKey);
 300       rsa_free(&privKey);
 301       return 1;
 302    }
 303
 304    /* verify with privKey */
 305    /* change a byte */
 306    in[0] ^= 1;
 307    DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &privKey));
 308    /* change a byte */
 309    in[0] ^= 1;
 310    DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &privKey));
 311
 312    if (!(stat == 1 && stat2 == 0)) {
 313       fprintf(stderr, "rsa_verify_hash (unsalted, privKey) failed, %d, %d", stat, stat2);
 314       rsa_free(&key);
 315       rsa_free(&pubKey);
 316       rsa_free(&privKey);
 317       return 1;
 318    }
 319
 320    /* verify with pubKey */
 321    /* change a byte */
 322    in[0] ^= 1;
 323    DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &pubKey));
 324    /* change a byte */
 325    in[0] ^= 1;
 326    DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &pubKey));
 327
 328    if (!(stat == 1 && stat2 == 0)) {
 329       fprintf(stderr, "rsa_verify_hash (unsalted, pubkey) failed, %d, %d", stat, stat2);
 330       rsa_free(&key);
 331       rsa_free(&pubKey);
 332       rsa_free(&privKey);
 333       return 1;
 334    }
 335
 336    /* sign a message (salted) now (use privKey to make, pubKey to verify) */
 337    len = sizeof(out);
 338    DO(rsa_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 8, &privKey));
 339    DO(rsa_verify_hash(out, len, in, 20, hash_idx, 8, &stat, &pubKey));
 340    /* change a byte */
 341    in[0] ^= 1;
 342    DO(rsa_verify_hash(out, len, in, 20, hash_idx, 8, &stat2, &pubKey));
 343
 344    if (!(stat == 1 && stat2 == 0)) {
 345       fprintf(stderr, "rsa_verify_hash (salted) failed, %d, %d", stat, stat2);
 346       rsa_free(&key);
 347       rsa_free(&pubKey);
 348       rsa_free(&privKey);
 349       return 1;
 350    }
 351
 352    /* sign a message with PKCS #1 v1.5 */
 353    len = sizeof(out);
 354    DO(rsa_sign_hash_ex(in, 20, out, &len, LTC_PKCS_1_V1_5, &yarrow_prng, prng_idx, hash_idx, 8, &privKey));
 355    DO(rsa_verify_hash_ex(out, len, in, 20, LTC_PKCS_1_V1_5, hash_idx, 8, &stat, &pubKey));
 356    /* change a byte */
 357    in[0] ^= 1;
 358    DO(rsa_verify_hash_ex(out, len, in, 20, LTC_PKCS_1_V1_5, hash_idx, 8, &stat2, &pubKey));
 359
 360    if (!(stat == 1 && stat2 == 0)) {
 361       fprintf(stderr, "rsa_verify_hash_ex failed, %d, %d", stat, stat2);
 362       rsa_free(&key);
 363       rsa_free(&pubKey);
 364       rsa_free(&privKey);
 365       return 1;
 366    }
 367
 368    /* free the key and return */
 369    rsa_free(&key);
 370    rsa_free(&pubKey);
 371    rsa_free(&privKey);
 372    return 0;
 373 }
 374
 375 #else
 376
 377 int rsa_test(void)
 378 {
 379    fprintf(stderr, "NOP");
 380    return 0;
 381 }
 382
 383 #endif
 384
 385 /* $Source: /cvs/libtom/libtomcrypt/testprof/rsa_test.c,v $ */
 386 /* $Revision: 1.18 $ */
 387 /* $Date: 2006/11/21 00:10:18 $ */