예제 #1
0
/**
 * sha384_vector - SHA384 hash for data vector
 * @num_elem: Number of elements in the data vector
 * @addr: Pointers to the data areas
 * @len: Lengths of the data blocks
 * @mac: Buffer for the hash
 * Returns: 0 on success, -1 of failure
 */
int sha384_vector(size_t num_elem, const u8 *addr[], const size_t *len,
		  u8 *mac)
{
	struct sha384_state ctx;
	size_t i;

	sha384_init(&ctx);
	for (i = 0; i < num_elem; i++)
		if (sha384_process(&ctx, addr[i], len[i]))
			return -1;
	if (sha384_done(&ctx, mac))
		return -1;
	return 0;
}
예제 #2
0
/**
  Self-test the hash
  @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
*/
int  sha384_test(void)
{
 #ifndef LTC_TEST
    return CRYPT_NOP;
 #else
  static const struct {
      const char *msg;
      unsigned char hash[48];
  } tests[] = {
    { "abc",
      { 0xcb, 0x00, 0x75, 0x3f, 0x45, 0xa3, 0x5e, 0x8b,
        0xb5, 0xa0, 0x3d, 0x69, 0x9a, 0xc6, 0x50, 0x07,
        0x27, 0x2c, 0x32, 0xab, 0x0e, 0xde, 0xd1, 0x63,
        0x1a, 0x8b, 0x60, 0x5a, 0x43, 0xff, 0x5b, 0xed,
        0x80, 0x86, 0x07, 0x2b, 0xa1, 0xe7, 0xcc, 0x23,
        0x58, 0xba, 0xec, 0xa1, 0x34, 0xc8, 0x25, 0xa7 }
    },
    { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
      { 0x09, 0x33, 0x0c, 0x33, 0xf7, 0x11, 0x47, 0xe8,
        0x3d, 0x19, 0x2f, 0xc7, 0x82, 0xcd, 0x1b, 0x47,
        0x53, 0x11, 0x1b, 0x17, 0x3b, 0x3b, 0x05, 0xd2,
        0x2f, 0xa0, 0x80, 0x86, 0xe3, 0xb0, 0xf7, 0x12,
        0xfc, 0xc7, 0xc7, 0x1a, 0x55, 0x7e, 0x2d, 0xb9,
        0x66, 0xc3, 0xe9, 0xfa, 0x91, 0x74, 0x60, 0x39 }
    },
  };

  int i;
  unsigned char tmp[48];
  hash_state md;

  for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) {
      sha384_init(&md);
      sha384_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg));
      sha384_done(&md, tmp);
      if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "SHA384", i)) {
         return CRYPT_FAIL_TESTVECTOR;
      }
  }
  return CRYPT_OK;
 #endif
}