JAVA、PHP、C#、Object-C 通用的DES加密解密

package com.example.aric.test;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
import javax.crypto.spec.IvParameterSpec;
import android.util.Base64;

public class DES {
public final static String DES_KEY_STRING = "ABSujsuu";
public static String encrypt(String message, String key) throws Exception {
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);
return encodeBase64(cipher.doFinal(message.getBytes("UTF-8")));
}

public static String decrypt(String message, String key) throws Exception {

byte[] bytesrc = decodeBase64(message);//convertHexString(message);
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);
return new String(retByte);
}

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();

}

public static String encodeBase64(byte[] b) {

return Base64.encodeToString(b, Base64.DEFAULT);

}

public static byte[] decodeBase64(String base64String) {

return Base64.decode(base64String, Base64.DEFAULT);

}

}

class JoDES {

private static $_instance = NULL;

/**

* @return JoDES

*/

public static function share() {

if (is_null(self::$_instance)) {

self::$_instance = new JoDES();

}

return self::$_instance;

}

/**

* 加密

* @param string $str 要处理的字符串

* @param string $key 加密Key，为8个字节长度

* @return string

*/

public function encode($str, $key) {

$size = mcrypt_get_block_size(MCRYPT_DES, MCRYPT_MODE_CBC);

$str = $this->pkcs5Pad($str, $size);

$aaa = mcrypt_cbc(MCRYPT_DES, $key, $str, MCRYPT_ENCRYPT, $key);

$ret = base64_encode($aaa);

return $ret;

}

/**

* 解密

* @param string $str 要处理的字符串

* @param string $key 解密Key，为8个字节长度

* @return string

*/

public function decode($str, $key) {

$strBin = base64_decode($str);

$str = mcrypt_cbc(MCRYPT_DES, $key, $strBin, MCRYPT_DECRYPT, $key);

$str = $this->pkcs5Unpad($str);

return $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);
}

}

public class MyDes
{
/// <summary>
/// DES加密方法
/// </summary>
/// <param name="strPlain">明文</param>
/// <param name="strDESKey">密钥</param>
/// <param name="strDESIV">向量</param>
/// <returns>密文</returns>

public static string Encode(string source, string _DESKey)
{
StringBuilder sb = new StringBuilder();
using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
{
byte[] key = ASCIIEncoding.ASCII.GetBytes(_DESKey);
byte[] iv = ASCIIEncoding.ASCII.GetBytes(_DESKey);
byte[] dataByteArray = Encoding.UTF8.GetBytes(source);
des.Mode = System.Security.Cryptography.CipherMode.CBC;
des.Key = key;
des.IV = iv;
string encrypt = "";
using (MemoryStream ms = new MemoryStream())
using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write))

{
cs.Write(dataByteArray, 0, dataByteArray.Length);
cs.FlushFinalBlock();
encrypt = Convert.ToBase64String(ms.ToArray());

}
return encrypt;
}
}

/// <summary>
/// 进行DES解密。
/// </summary>
/// <param name="pToDecrypt">要解密的base64串</param>
/// <param name="sKey">密钥，且必须为8位。</param>
/// <returns>已解密的字符串。</returns>

public static string Decode(string source, string sKey)
{
byte[] inputByteArray = System.Convert.FromBase64String(source);//Encoding.UTF8.GetBytes(source);
using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
{

des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write))

{

cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
cs.Close();

}

string str = Encoding.UTF8.GetString(ms.ToArray());
ms.Close();
return str;
}
}
}

/***  JoDes.h ***/

#import <Foundation/Foundation.h>
#import <CommonCrypto/CommonDigest.h>
#import <CommonCrypto/CommonCryptor.h>

@interface JoDes : NSObject

+ (NSString *) encode:(NSString *)str key:(NSString *)key;
+ (NSString *) decode:(NSString *)str key:(NSString *)key;

@end

/***  JoDes.m ***/
//  XLEncrytHelper.m
//  NewHoldGold
//  Created by Mr.Liao on 2016-01-22.
//  Copyright (c) 2016年 Nomanland. All rights reserved.

#import "JoDes.h"
@interface JoDes()

+ (NSString *) encodeBase64WithString:(NSString *)strData;
+ (NSString *) encodeBase64WithData:(NSData *)objData;
+ (NSData *) decodeBase64WithString:(NSString *)strBase64;
+ (NSString *)doCipher:(NSString *)sTextIn key:(NSString *)sKey

context:(CCOperation)encryptOrDecrypt;

@end

@implementation JoDes

+ (NSString *) encode:(NSString *)str key:(NSString *)key
{
// doCipher 不能编汉字，所以要进行 url encode
NSMutableString* str1 = [JoDes urlEncode:str];
NSMutableString* encode = [NSMutableString stringWithString:[JoDes doCipher:str1 key:key context:kCCEncrypt]];
[JoDes formatSpecialCharacters:encode];
return encode;

}

+ (NSString *) decode:(NSString *)str key:(NSString *)key
{
NSMutableString *str1 = [NSMutableString stringWithString:str];
[JoDes reformatSpecialCharacters:str1];
NSString *rt = [JoDes doCipher:str1 key:key context:kCCDecrypt];
return rt;
}

+ (NSMutableString *)urlEncode:(NSString*)str

{
NSMutableString* encodeStr = [NSMutableString stringWithString:[str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
[encodeStr replaceOccurrencesOfString:@"+" withString:@"%2B" options:NSWidthInsensitiveSearch range:NSMakeRange(0, [encodeStr length])];
[encodeStr replaceOccurrencesOfString:@"/" withString:@"%2F" options:NSWidthInsensitiveSearch range:NSMakeRange(0, [encodeStr length])];
return encodeStr;

}

+ (void)formatSpecialCharacters:(NSMutableString *)str

{
[str replaceOccurrencesOfString:@"+" withString:@"$$" options:NSWidthInsensitiveSearch range:NSMakeRange(0, [str length])];
[str replaceOccurrencesOfString:@"/" withString:@"@@" options:NSWidthInsensitiveSearch range:NSMakeRange(0, [str length])];

}

+ (void)reformatSpecialCharacters:(NSMutableString *)str

{
[str replaceOccurrencesOfString:@"$$" withString:@"+" options:NSWidthInsensitiveSearch range:NSMakeRange(0, [str length])];
[str replaceOccurrencesOfString:@"@@" withString:@"/" options:NSWidthInsensitiveSearch range:NSMakeRange(0, [str length])];

}

+ (NSString *)encodeBase64WithString:(NSString *)strData {
return [JoDes encodeBase64WithData:[strData dataUsingEncoding:NSUTF8StringEncoding]];
}

+ (NSString *)encodeBase64WithData:(NSData *)objData {

NSString *encoding = nil;

unsigned char *encodingBytes = NULL;

@try {

static char encodingTable[64] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

static NSUInteger paddingTable[] = {0,2,1};

NSUInteger dataLength = [objData length];
NSUInteger encodedBlocks = (dataLength * 8) / 24;
NSUInteger padding = paddingTable[dataLength % 3];
if( padding > 0 ) encodedBlocks++;
NSUInteger encodedLength = encodedBlocks * 4;

encodingBytes = malloc(encodedLength);
if( encodingBytes != NULL ) {
NSUInteger rawBytesToProcess = dataLength;
NSUInteger rawBaseIndex = 0;
NSUInteger encodingBaseIndex = 0;
unsigned char *rawBytes = (unsigned char *)[objData bytes];
unsigned char rawByte1, rawByte2, rawByte3;
while( rawBytesToProcess >= 3 ) {
rawByte1 = rawBytes[rawBaseIndex];
rawByte2 = rawBytes[rawBaseIndex+1];
rawByte3 = rawBytes[rawBaseIndex+2];
encodingBytes[encodingBaseIndex] = encodingTable[((rawByte1 >> 2) & 0x3F)];
encodingBytes[encodingBaseIndex+1] = encodingTable[((rawByte1 << 4) & 0x30) | ((rawByte2 >> 4) & 0x0F) ];
encodingBytes[encodingBaseIndex+2] = encodingTable[((rawByte2 << 2) & 0x3C) | ((rawByte3 >> 6) & 0x03) ];
encodingBytes[encodingBaseIndex+3] = encodingTable[(rawByte3 & 0x3F)];

rawBaseIndex += 3;
encodingBaseIndex += 4;
rawBytesToProcess -= 3;

}

rawByte2 = 0;

switch (dataLength-rawBaseIndex) {

case 2:

rawByte2 = rawBytes[rawBaseIndex+1];

case 1:

rawByte1 = rawBytes[rawBaseIndex];
encodingBytes[encodingBaseIndex] = encodingTable[((rawByte1 >> 2) & 0x3F)];
encodingBytes[encodingBaseIndex+1] = encodingTable[((rawByte1 << 4) & 0x30) | ((rawByte2 >> 4) & 0x0F) ];
encodingBytes[encodingBaseIndex+2] = encodingTable[((rawByte2 << 2) & 0x3C) ];
// we can skip rawByte3 since we have a partial block it would always be 0

break;

}

// compute location from where to begin inserting padding, it may overwrite some bytes from the partial block encoding

// if their value was 0 (cases 1-2).

encodingBaseIndex = encodedLength - padding;

while( padding-- > 0 ) {

encodingBytes[encodingBaseIndex++] = '=';

}

encoding = [[NSString alloc] initWithBytes:encodingBytes length:encodedLength encoding:NSASCIIStringEncoding];

}

}

@catch (NSException *exception) {

encoding = nil;

NSLog(@"WARNING: error occured while tring to encode base 32 data: %@", exception);

}

@finally {

if( encodingBytes != NULL ) {

free( encodingBytes );

}

}

return encoding;

}

+ (NSData *)decodeBase64WithString:(NSString *)strBase64 {

NSData *data = nil;
unsigned char *decodedBytes = NULL;

@try {

#define __ 255

static char decodingTable[256] = {

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0x00 - 0x0F

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0x10 - 0x1F

__,__,__,__, __,__,__,__, __,__,__,62, __,__,__,63,  // 0x20 - 0x2F

52,53,54,55, 56,57,58,59, 60,61,__,__, __, 0,__,__,  // 0x30 - 0x3F

__, 0, 1, 2,  3, 4, 5, 6,  7, 8, 9,10, 11,12,13,14,  // 0x40 - 0x4F

15,16,17,18, 19,20,21,22, 23,24,25,__, __,__,__,__,  // 0x50 - 0x5F

__,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,  // 0x60 - 0x6F

41,42,43,44, 45,46,47,48, 49,50,51,__, __,__,__,__,  // 0x70 - 0x7F

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0x80 - 0x8F

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0x90 - 0x9F

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0xA0 - 0xAF

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0xB0 - 0xBF

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0xC0 - 0xCF

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0xD0 - 0xDF

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0xE0 - 0xEF

__,__,__,__, __,__,__,__, __,__,__,__, __,__,__,__,  // 0xF0 - 0xFF

};

strBase64 = [strBase64 stringByReplacingOccurrencesOfString:@"=" withString:@""];
NSData *encodedData = [strBase64 dataUsingEncoding:NSASCIIStringEncoding];
unsigned char *encodedBytes = (unsigned char *)[encodedData bytes];

NSUInteger encodedLength = [encodedData length];
NSUInteger encodedBlocks = (encodedLength+3) >> 2;
NSUInteger expectedDataLength = encodedBlocks * 3;

unsigned char decodingBlock[4];

decodedBytes = malloc(expectedDataLength);

if( decodedBytes != NULL ) {

NSUInteger i = 0;

NSUInteger j = 0;

NSUInteger k = 0;

unsigned char c;

while( i < encodedLength ) {

c = decodingTable[encodedBytes[i]];

i++;

if( c != __ ) {

decodingBlock[j] = c;

j++;

if( j == 4 ) {

decodedBytes[k] = (decodingBlock[0] << 2) | (decodingBlock[1] >> 4);

decodedBytes[k+1] = (decodingBlock[1] << 4) | (decodingBlock[2] >> 2);

decodedBytes[k+2] = (decodingBlock[2] << 6) | (decodingBlock[3]);

j = 0;

k += 3;

}

}

}

// Process left over bytes, if any

if( j == 3 ) {

decodedBytes[k] = (decodingBlock[0] << 2) | (decodingBlock[1] >> 4);

decodedBytes[k+1] = (decodingBlock[1] << 4) | (decodingBlock[2] >> 2);

k += 2;

} else if( j == 2 ) {

decodedBytes[k] = (decodingBlock[0] << 2) | (decodingBlock[1] >> 4);

k += 1;

}

data = [[NSData alloc] initWithBytes:decodedBytes length:k];

}

}

@catch (NSException *exception) {

data = nil;

NSLog(@"WARNING: error occured while decoding base 32 string: %@", exception);

}

@finally {

if( decodedBytes != NULL ) {

free( decodedBytes );

}

}

return data;

}

+ (NSString *)doCipher:(NSString *)sTextIn key:(NSString *)sKey

context:(CCOperation)encryptOrDecrypt {

NSStringEncoding EnC = NSUTF8StringEncoding;

NSMutableData *dTextIn;

if (encryptOrDecrypt == kCCDecrypt) {

dTextIn = [[JoDes decodeBase64WithString:sTextIn] mutableCopy];

}

else{

dTextIn = [[sTextIn dataUsingEncoding: EnC] mutableCopy];

}

NSMutableData * dKey = [[sKey dataUsingEncoding:EnC] mutableCopy];

[dKey setLength:kCCBlockSizeDES];

uint8_t *bufferPtr1 = NULL;

size_t bufferPtrSize1 = 0;

size_t movedBytes1 = 0;

//uint8_t iv[kCCBlockSizeDES];

//memset((void *) iv, 0x0, (size_t) sizeof(iv));

//    Byte iv[] = {0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF};

bufferPtrSize1 = ([sTextIn length] + kCCKeySizeDES) & ~(kCCKeySizeDES -1);

bufferPtr1 = malloc(bufferPtrSize1 * sizeof(uint8_t));

memset((void *)bufferPtr1, 0x00, bufferPtrSize1);

CCCrypt(encryptOrDecrypt, // CCOperation op

kCCAlgorithmDES, // CCAlgorithm alg

kCCOptionPKCS7Padding, // CCOptions options

[dKey bytes], // const void *key

[dKey length], // size_t keyLength //

[dKey bytes], // const void *iv

[dTextIn bytes], // const void *dataIn

[dTextIn length],  // size_t dataInLength

(void *)bufferPtr1, // void *dataOut

bufferPtrSize1,     // size_t dataOutAvailable

&movedBytes1);

//[dTextIn release];

//[dKey release];

NSString * sResult;

if (encryptOrDecrypt == kCCDecrypt){

sResult = [[NSString alloc] initWithData:[NSData dataWithBytes:bufferPtr1 length:movedBytes1] encoding:EnC];

free(bufferPtr1);

}

else {

NSData *dResult = [NSData dataWithBytes:bufferPtr1 length:movedBytes1];

free(bufferPtr1);

sResult = [JoDes encodeBase64WithData:dResult];

}

return sResult;

}

@end