Python实现的HMacMD5加密算法示例

#coding:utf-8
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
import hmac
import hashlib
####################设置Key值##############
ekey = 'laidefa'
###############输入数据############
to_enc = '{"name":"zhangsan"}'
enc_res = hmac.new(ekey, to_enc, hashlib.md5).hexdigest()
print enc_res

package tom;
import java.security.MessageDigest;
import javax.crypto.KeyGenerator;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
/**
* 基础加密组件
* @version 1.0
*/
public class Hmacmd5 {
  /**
   * MAC算法可选以下多种算法
   *
   * <pre>
   * HmacMD5
   * HmacSHA1
   * HmacSHA256
   * HmacSHA384
   * HmacSHA512
   * </pre>
   */
  public static final String KEY_MAC = "HmacMD5";
  /**
   * HMAC加密
   *
   * @param data
   * @param key
   * @return
   * @throws Exception
   */
  public static byte[] encryptHMAC(byte[] data, String key) throws Exception {
    SecretKey secretKey = new SecretKeySpec(key.getBytes(), KEY_MAC);
    Mac mac = Mac.getInstance(secretKey.getAlgorithm());
    mac.init(secretKey);
    return mac.doFinal(data);
  }
  /*byte数组转换为HexString*/
  public static String byteArrayToHexString(byte[] b) {
    StringBuffer sb = new StringBuffer(b.length * 2);
    for (int i = 0; i < b.length; i++) {
     int v = b[i] & 0xff;
     if (v < 16) {
      sb.append('0');
     }
     sb.append(Integer.toHexString(v));
    }
    return sb.toString();
   }
  public static void main(String[] args)throws Exception{
    String inputStr = "{\"name\":\"zhangsan\"}";
    byte[] inputData = inputStr.getBytes();
    String key = "laidefa";
    System.out.println(Hmacmd5.byteArrayToHexString(Hmacmd5.encryptHMAC(inputData, key)));
  }
}