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Java 和Node JS 通过 AES 加密解密出相同的结果

1 year ago 0

JAVA:


package g.g;

import java.security.MessageDigest;

import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;

public class AesECB {
	public static final String DEFAULT_CODING = "utf-8";  
	  
    /** 
     * 解密 
     * @author lmiky 
     * @date 2014-2-25 
     * @param encrypted 
     * @param seed 
     * @return 
     * @throws Exception 
     */  
    private static String decrypt(String encrypted, String seed) throws Exception {  
        byte[] keyb = seed.getBytes(DEFAULT_CODING);  
        MessageDigest md = MessageDigest.getInstance("MD5");  
        byte[] thedigest = md.digest(keyb);  
        SecretKeySpec skey = new SecretKeySpec(thedigest, "AES");  
        Cipher dcipher = Cipher.getInstance("AES");  
        dcipher.init(Cipher.DECRYPT_MODE, skey);  
  
        byte[] clearbyte = dcipher.doFinal(toByte(encrypted));  
        return new String(clearbyte);  
    }  
  
    /** 
     * 加密 
     * @author lmiky 
     * @date 2014-2-25 
     * @param content 
     * @param key 
     * @return 
     * @throws Exception 
     */  
    public static String encrypt(String content, String key) throws Exception {  
        byte[] input = content.getBytes(DEFAULT_CODING);  
          
        MessageDigest md = MessageDigest.getInstance("MD5");  
        byte[] thedigest = md.digest(key.getBytes(DEFAULT_CODING));  
        SecretKeySpec skc = new SecretKeySpec(thedigest, "AES");  
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");  
        cipher.init(Cipher.ENCRYPT_MODE, skc);  
          
        byte[] cipherText = new byte[cipher.getOutputSize(input.length)];  
        int ctLength = cipher.update(input, 0, input.length, cipherText, 0);  
        ctLength += cipher.doFinal(cipherText, ctLength);  
              
        return parseByte2HexStr(cipherText);  
    }  
      
    /** 
     * 字符串转字节数组 
     * @author lmiky 
     * @date 2014-2-25 
     * @param hexString 
     * @return 
     */  
    private static byte[] toByte(String hexString) {  
        int len = hexString.length() / 2;  
        byte[] result = new byte[len];  
        for (int i = 0; i < len; i++) {  
            result[i] = Integer.valueOf(hexString.substring(2 * i, 2 * i + 2), 16).byteValue();  
        }  
        return result;  
    }  
      
    /** 
     * 字节转16进制数组 
     * @author lmiky 
     * @date 2014-2-25 
     * @param buf 
     * @return 
     */  
    private static String parseByte2HexStr(byte buf[]) {  
        StringBuffer sb = new StringBuffer();  
        for (int i = 0; i < buf.length; i++) {  
            String hex = Integer.toHexString(buf[i] & 0xFF);  
            if (hex.length() == 1) {  
                hex = '0' + hex;  
            }  
            sb.append(hex);  
        }  
        return sb.toString();  
    }  
      
    public static void main(String[] args) throws Exception {  
        System.out.println(AesECB.encrypt("fsadfsdafsdafsdafsadfsadfsadf", "1eVRiqy7b9Uv7ZMM"));  
        System.out.println(AesECB.decrypt("b123e2d9199598c0e3f1999dc9e723387b68e29d2b3a0d59fc7d5946c750c6b4", "1eVRiqy7b9Uv7ZMM"));  
    }
}

Node JS:

var crypto = require('crypto');
exports.aes_algorithm = "aes-128-ecb";
exports.aes_secrect = "1eVRiqy7b9Uv7ZMM";

exports.encrypt = function (text) {
    var cipher = crypto.createCipher(this.aes_algorithm, this.aes_secrect)
    var crypted = cipher.update(text, 'utf8', 'hex')
    crypted += cipher.final('hex');
    return crypted;
};

exports.decrypt = function (text) {
    var decipher = crypto.createDecipher(this.aes_algorithm, this.aes_secrect)
    var dec = decipher.update(text, 'hex', 'utf8')
    dec += decipher.final('utf8');
    return dec;
};

//var hw = this.encrypt("fsadfsdafsdafsdafsadfsadfsadf");
//console.log(hw);
//console.log(this.decrypt(hw));

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