PHP、JAVA、C#、Object-C 通用的DES加密
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2024-01-26 08:46:47
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PHP：
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; $i strlen($text))
return false;
if (strspn($text, chr($pad), strlen($text) - $pad) != $pad)
return false;
return substr($text, 0, - 1 * $pad);
}
}
C#
public class MyDes
{
///
/// DES加密方法
///
/// 明文
/// 密钥
/// 向量
/// 密文
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;
}
}
///
/// 进行DES解密。
///
/// 要解密的base64串
/// 密钥，且必须为8位。
/// 已解密的字符串。
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;
}
}
}
Object-C
/*** JoDes.h ***/ #import#import #import @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 梁鑫磊 on 13-12-27. // Copyright (c) 2013年 zsgjs. 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) & 0x0F) ]; encodingBytes[encodingBaseIndex+2] = encodingTable[((rawByte2 > 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) & 0x0F) ]; encodingBytes[encodingBaseIndex+2] = encodingTable[((rawByte2 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 > 4); decodedBytes[k+1] = (decodingBlock[1] > 2); decodedBytes[k+2] = (decodingBlock[2] > 4); decodedBytes[k+1] = (decodingBlock[1] > 2); k += 2; } else if( j == 2 ) { decodedBytes[k] = (decodingBlock[0] > 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
JAVA
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
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