C++ (Cpp) GNUNET_CRYPTO_crc32_n示例

示例#1

文件： crypto_hash.c 项目： schanzen/gnunet-mirror

/**
 * Convert a hashcode into a key.
 *
 * @param hc hash code that serves to generate the key
 * @param skey set to a valid session key
 * @param iv set to a valid initialization vector
 */
void
GNUNET_CRYPTO_hash_to_aes_key (const struct GNUNET_HashCode * hc,
                               struct GNUNET_CRYPTO_AesSessionKey *skey,
                               struct GNUNET_CRYPTO_AesInitializationVector *iv)
{
    GNUNET_assert (sizeof (struct GNUNET_HashCode) >=
                   GNUNET_CRYPTO_AES_KEY_LENGTH +
                   sizeof (struct GNUNET_CRYPTO_AesInitializationVector));
    memcpy (skey, hc, GNUNET_CRYPTO_AES_KEY_LENGTH);
    skey->crc32 =
        htonl (GNUNET_CRYPTO_crc32_n (skey, GNUNET_CRYPTO_AES_KEY_LENGTH));
    memcpy (iv, &((char *) hc)[GNUNET_CRYPTO_AES_KEY_LENGTH],
            sizeof (struct GNUNET_CRYPTO_AesInitializationVector));
}

示例#2

文件： test_crypto_crc.c 项目： muggenhor/GNUnet

int
main (int argc, char *argv[])
{
  char buf[1024];
  int i;

  GNUNET_log_setup ("test-crypto-crc", "WARNING", NULL);
  for (i = 0; i < 1024; i++)
    buf[i] = (char) i;
  for (i = 0; i < 1024; i++)
    if (expected[i] != GNUNET_CRYPTO_crc32_n (&buf[i], 1024 - i))
      return 1;
  return 0;
}