php des和 java des

来源：互联网发布：沈宏非的淘宝店编辑：程序博客网时间：2024/06/07 14:57

package com.smh.action.wxweb;

import java.io.UnsupportedEncodingException;
import java.security.SecureRandom;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
import javax.crypto.spec.IvParameterSpec;

import org.apache.commons.codec.binary.Base64;

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class Des {

public static void main(String[] args) throws Exception {
String key = "abcd1324";
String value = "浮1云2村：夺%三:肋且&脸jul ";//浮1云2村：夺%三:肋且&脸Jul脸ew脸。扔//剑胆琴心且脸脸炒顶替顶替且剑胆琴心擤受制于人烛脸擤入秘要
System.out.println("加密内容："+value);
System.out.println("密钥："+key);
// System.out.println(encryptBASE64("浮云村村"));

String a=encrypt(value, key).toUpperCase();

System.out.println("加密后的数据为:"+a);
//c# 密码
String ckey="262AF5ED25DCCA09BB2D9B20AB50A34A6540533145D33B0C61A2A7325218525E3D1F1418BE4697BE655E9690A523A6888755E62244417F150C1608D6C4B9F0DF25C8AA73759BC361291C43491E40BD03D8DD3777D5EB745BB99598FCFBA690575F06A42EB2B6EA32254185A771006E32E2D15" +
"2122028CF8517248D487E489A9734FD7F6CA04B4D54";
if (a.equals(ckey)) {
System.out.println("与C#相同 ok");
}else {
System.out.println("与C#不同 err");
}
//String aa = "399A01EFFDCBF95DB8CEB846F7B8E48869248979D49D10D670E5C0B5449D463CE992A9130CA882ECC0A58A37D84A31A728E6D038C4A91EA8929CBC128DEBAAFED3257FBA52E9DCACE1A9E851F3D0C4FBBF5394F6985EC9CA271C976AFCDB930F3A88155C09C0735007BE9B7409F4712884DB4BC1B2AF63ECDFBBB579FDD4D42539E6CE2A394498D16BD2F4EB391395370E47B06F6305BA43D4972BD8853B176A88486F93436C9B0781CA993D0FC5C06677E49EF9E97AE767DA26C5F3487FCBC4B4B788E68D71DB056AAE8D85DC75C3C3DAA48A4C6DA0674ACA4CDEF8A105C259ABE78CD19FDDED06B763102116EFFF1C";
//String b=java.net.URLDecoder.decode(decrypt(aa,key), "utf-8") ;
String b = decrypt(a,key);
if (b.equals(value)) {

System.out.println("===========加密成功===============");
}else {

System.out.println("============加密失败====================");
}
System.out.println("解密后的数据:"+b);

}

/**
* DES加密
* @parameter message：需要加密的消息
* @parameter key：秘钥
* @return 加密后的字符串
*/
public static String encrypt(String message, String key)
throws Exception {
//对字符串进行URL编码
String jiami=java.net.URLEncoder.encode(message, "utf-8").toLowerCase();//url编码转为小写
jiami=encryptBASE64(jiami);//base64编码的字符串
Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
DESKeySpec desKeySpec = new DESKeySpec(key.getBytes("UTF-8"));
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey secretKey = keyFactory.generateSecret(desKeySpec);
IvParameterSpec iv = new IvParameterSpec(key.getBytes("UTF-8"));
cipher.init(Cipher.ENCRYPT_MODE, secretKey, iv);
byte[] bs=cipher.doFinal(jiami.getBytes("UTF-8"));//经过des加密后的字节数组
return toHexString(bs);// 经过des加密后的字节数组每个字节转换为16进制
}
/**
* DES解密
* @parameter message：需要解密的消息
* @parameter key：秘钥
* @return 解密后的字符串
*/
public static String decrypt(String message,String key) throws Exception {
byte[] bytesrc =convertHexString(message); //把字符串转为字节数组
Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
DESKeySpec desKeySpec = new DESKeySpec(key.getBytes("UTF-8"));
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey secretKey = keyFactory.generateSecret(desKeySpec);
IvParameterSpec iv = new IvParameterSpec(key.getBytes("UTF-8"));
cipher.init(Cipher.DECRYPT_MODE, secretKey, iv);
byte[] retByte = cipher.doFinal(bytesrc);//得到des解密的字节数组
String ret = new String(retByte,"UTF-8"); //把des解密的字节数组转为string
//先以base64进行解密，然后用URL进行解码
ret = java.net.URLDecoder.decode(decryptBASE64(ret).toLowerCase(),"utf-8");
return ret;
}

public static byte[] convertHexString(String ss)
{
byte digest[] = new byte[ss.length() / 2];
for(int i = 0; i < digest.length; i++)
{
String byteString = ss.substring(2 * i, 2 * i + 2);
int byteValue = Integer.parseInt(byteString, 16);
digest[i] = (byte)byteValue;
}
return digest;
}

public static String toHexString(byte b[]) {
StringBuffer hexString = new StringBuffer();
for (int i = 0; i < b.length; i++) {
String plainText = Integer.toHexString(0xff & b[i]);
if (plainText.length() < 2)
plainText = "0" + plainText;
hexString.append(plainText);
}
return hexString.toString();
}
/**
* 以base64对字符串加密
* @param s
* @return
*/
public static String encryptBASE64(String s) {
String ret = "";
byte[] b=s.getBytes();
try {
ret = new String(Base64.encodeBase64(b), "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return ret;
}
/**
* 以base64对字符串解密
* @param s
* @return
*/
public static String decryptBASE64(String s) {
byte[] ret = {};
try {
ret = Base64.decodeBase64(s.getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
try {
return new String(ret,"UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
return "";
}
}

}

php：

class DES_JAVA{
var $key;
var $iv; //偏移量

function DES_NET( $key, $iv=0 ) {
//key长度8例如:1234abcd
$this->key = $key;
if( $iv == 0 ) {
$this->iv = $key; //默认以$key 作为 iv
} else {
$this->iv = $iv; //mcrypt_create_iv ( mcrypt_get_block_size (MCRYPT_DES, MCRYPT_MODE_CBC), MCRYPT_DEV_RANDOM );
}
}

function encrypt($str) {
//加密，返回大写十六进制字符串
//$str =strtolower(urlencode($str));
$str =urlencode($str);
$str=base64_encode($str);
$size = mcrypt_get_block_size ( MCRYPT_DES, MCRYPT_MODE_CBC );
$str = $this->pkcs5Pad ( $str, $size );
return strtoupper( bin2hex( mcrypt_cbc(MCRYPT_DES, $this->key, $str, MCRYPT_ENCRYPT, $this->iv ) ) );
}

function decrypt($str) {
//解密
//$strBin = $this->hex2bin( strtolower( $str ) );
$strBin = $this->hex2bin($str);
$str = mcrypt_cbc( MCRYPT_DES, $this->key, $strBin, MCRYPT_DECRYPT, $this->iv );
$str = $this->pkcs5Unpad( $str );
//$str=strtolower(base64_decode($str));
$str=base64_decode($str);
return urldecode($str);
}

function hex2bin($hexData) {
$binData = "";
for($i = 0; $i < strlen ( $hexData ); $i += 2) {
$binData .= chr ( hexdec ( substr ( $hexData, $i, 2 ) ) );
}
return $binData;
}

function pkcs5Pad($text, $blocksize) {
$pad = $blocksize - (strlen ( $text ) % $blocksize);
return $text . str_repeat ( chr ( $pad ), $pad );
}

function pkcs5Unpad($text) {
$pad = ord ( $text {strlen ( $text ) - 1} );
if ($pad > strlen ( $text ))
return false;
if (strspn ( $text, chr ( $pad ), strlen ( $text ) - $pad ) != $pad)
return false;
return substr ( $text, 0, - 1 * $pad );
}

}

0 0