添加一个 Incoming MAC 适配器

安全算法：

    /**
     * Calculates a secure MAC (message authentication code) from an array of strings and shared secret.
     * @param values – Parameters must first be sorted alphabetically by parameter name, then the                values of these sorted parameters passed to calculateSecureMac
     * @param secret - the shared secret
     * @return The calculated MAC
     */

    private String calculateSecureMAC (final String[]
      values, final String secret) throws
      NoSuchAlgorithmException
    {

      // concatenate param values
      final int size = values.length;
      String paramString = "";
      for(int i=0; i<size; i++)
      {

        paramString += values[i];
      }

      // get md5 hash from ascii value and secret
      final MessageDigest md = MessageDigest.getInstance("MD5");
      final byte[] hashBytes = md.digest((paramString + secret).getBytes());
      md.reset();

      // convert to hex
      String mac = "";
      String hexByte;
      for (int k=0; k<hashBytes.length; k++)
      {

        hexByte = Integer.toHexString(hashBytes[k] < 0 ? hashBytes[k] + 256 : hashBytes[k]);
        mac += (hexByte.length()==1) ? "0" + hexByte : hexByte;
      }

      return mac;
    }

安全算法：

/* Calculates a MAC (message authentication code) from an array of strings and a secret.
   Sort request parameters alphabetically by parameter name first, then pass values of sorted
   parameters and shared secret to calculateSecureMac */

function calculateSecureMac($params, $secret)
{

  // concatenate param values
  $data = implode('', $params);

  // get md5 of concatenated param values and secret
  $mac = md5($data . $secret);
  return $mac;
}

安全算法：

use Digest::MD5;

# Calculates a MAC (message authentication code) from an array of strings and a secret. Sort request      parameters alphabetically by parameter name first, then pass values of sorted parameters and shared      secret to calculateSecureMac

sub calculateSecureMac

{
  my @args = @_;
  $secret = pop(@args);

  # concatenate param values
  $data = join("", @args);

  # get md5 of concatenated param values and secret
  $ctx = Digest::MD5->new;
  $ctx->add($data . $secret);
  $mac = $ctx->hexdigest;
  return $mac;
}