//JAVA代码
//DES解密
public static String DecryptDoNet(String message, String key)
throws Exception {
byte[] bytesrc = Base64.decode(message.getBytes(), Base64.DEFAULT);
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);
}
//DES加密
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[] encryptbyte = cipher.doFinal(message.getBytes());
return new String(Base64.encode(encryptbyte, Base64.DEFAULT));
}
C#代码
//密钥
public static string sKey = "12345678";
// 对字符串进行DES加密
public string Encrypt(string sourceString)
{
byte[] btKey = Encoding.UTF8.GetBytes(sKey);
byte[] btIV = btKey;
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
using (MemoryStream ms = new MemoryStream())
{
byte[] inData = Encoding.UTF8.GetBytes(sourceString);
try
{
using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(btKey, btIV), CryptoStreamMode.Write))
{
cs.Write(inData, 0, inData.Length);
cs.FlushFinalBlock();
}
return Convert.ToBase64String(ms.ToArray());
}
catch
{
throw;
}
}
}
public static string DesDecrypt(string pToDecrypt)
{
byte[] inputByteArray = Convert.FromBase64String(pToDecrypt);
using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
{
des.Key = Encoding.UTF8.GetBytes(sKey);
des.IV = des.Key;
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;
}
}
PHP代码
加密
$key = '12345678';
echo openssl_encrypt ("ok","DES-CBC",$key,0,$key);
解密
echo openssl_decrypt("9ZnckU9As7A=","DES-CBC",$key,0,$key);
Object C代码
#import "ViewController.h"
#import
#import "DESEncryptFile.h"
#import
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
- (IBAction)DESbtnPress:(id)sender
{
NSLog(@"%@",[ViewController decode:@"+IbNQxUaIRg=" key:@"12345678"]);
NSLog(@"%s",encryptText("中国"));
}
static const char* encryptWithKeyAndType(const char *text,CCOperation encryptOperation,char *key)
{
NSString *textString=[[NSString alloc]initWithCString:text encoding:NSUTF8StringEncoding];
// NSLog(@"[[item.url description] UTF8String=%@",textString);
const void *dataIn;
size_t dataInLength;
if (encryptOperation == kCCDecrypt)//传递过来的是decrypt 解码
{
//解码 base64
NSData *decryptData = [ViewController decodeBase64WithString:textString];//转成utf-8并decode
dataInLength = [decryptData length];
dataIn = [decryptData bytes];
}
else //encrypt
{
NSData* encryptData = [textString dataUsingEncoding:NSUTF8StringEncoding];
dataInLength = [encryptData length];
dataIn = (const void *)[encryptData bytes];
}
CCCryptorStatus ccStatus;
uint8_t *dataOut = NULL; //可以理解位type/typedef 的缩写（有效的维护了代码，比如：一个人用int，一个人用long。最好用typedef来定义）
size_t dataOutAvailable = 0; //size_t 是操作符sizeof返回的结果类型
size_t dataOutMoved = 0;
dataOutAvailable = (dataInLength + kCCBlockSizeDES) & ~(kCCBlockSizeDES - 1);
dataOut = malloc( dataOutAvailable * sizeof(uint8_t));
memset((void *)dataOut, 00, dataOutAvailable);//将已开辟内存空间buffer的首 1 个字节的值设为值 0
//NSString *initIv = @"12345678";
const void *vkey = key;
const void *iv = (const void *) key; //[initIv UTF8String];
//CCCrypt函数 加密/解密
ccStatus = CCCrypt(encryptOperation,// 加密/解密
kCCAlgorithmDES,// 加密根据哪个标准（des，3des，aes。。。。）
kCCOptionPKCS7Padding,// 选项分组密码算法(des:对每块分组加一次密 3DES：对每块分组加三个不同的密)
vkey, //密钥 加密和解密的密钥必须一致
kCCKeySizeDES,// DES 密钥的大小（kCCKeySizeDES=8）
iv, // 可选的初始矢量
dataIn, // 数据的存储单元
dataInLength,// 数据的大小
(void *)dataOut,// 用于返回数据
dataOutAvailable,
&dataOutMoved);
NSString *result = nil;
if (encryptOperation == kCCDecrypt)//encryptOperation==1 解码
{
//得到解密出来的data数据，改变为utf-8的字符串
result = [[NSString alloc] initWithData:[NSData dataWithBytes:(const void *)dataOut length:(NSUInteger)dataOutMoved] encoding:NSUTF8StringEncoding];
}
else //encryptOperation==0 （加密过程中，把加好密的数据转成base64的）
{
//编码 base64
NSData *data = [NSData dataWithBytes:(const void *)dataOut length:(NSUInteger)dataOutMoved];
result = [ViewController base64Encoding:data];
}
return [result UTF8String];
}
static const char* encryptText(const char* text)
{
return encryptWithKeyAndType(text, kCCEncrypt, "12345678");
}
+ (NSString *) decode:(NSString *)str key:(NSString *)key
{
NSMutableString *str1 = [NSMutableString stringWithString:str];
[ViewController reformatSpecialCharacters:str1];
NSString *rt = [ViewController doCipher:str1 key:key context:kCCDecrypt];
return rt;
}
+ (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 *)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 = [[ViewController 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 = [ViewController encodeBase64WithData:dResult];
}
return sResult;
}
static Byte iv[] = {1,2,3,4,5,6,7,8};
//DES解密
+(NSString *) DecryptUseDES:(NSString *)plainText key:(NSString *)key
{
NSString *ciphertext = nil;
const char *textBytes = [plainText UTF8String];
NSUInteger dataLength = [plainText length];
unsigned char buffer[1024];
memset(buffer, 0, sizeof(char));
size_t numBytesEncrypted = 0;
CCCryptorStatus cryptStatus = CCCrypt(kCCDecrypt, kCCAlgorithmDES,
kCCOptionECBMode|kCCOptionPKCS7Padding, //kCCOptionECBMode kCCOptionPKCS7Padding
[key UTF8String], kCCKeySizeDES,
iv,
textBytes, dataLength,
buffer, 1024,
&numBytesEncrypted);
if (cryptStatus == kCCSuccess) {
}
return ciphertext;
}
static const char encodingTable[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+(NSString *)base64Encoding:(NSData*) text
{
if (text.length == 0)
return @"";
char *characters = malloc(text.length*3/2);
if (characters == NULL)
return @"";
int end = text.length - 3;
int index = 0;
int charCount = 0;
int n = 0;
while (index <= end) {
int d = (((int)(((char *)[text bytes])[index]) & 0x0ff) << 16)
| (((int)(((char *)[text bytes])[index + 1]) & 0x0ff) << 8)
| ((int)(((char *)[text bytes])[index + 2]) & 0x0ff);
characters[charCount++] = encodingTable[(d >> 18) & 63];
characters[charCount++] = encodingTable[(d >> 12) & 63];
characters[charCount++] = encodingTable[(d >> 6) & 63];
characters[charCount++] = encodingTable[d & 63];
index += 3;
if(n++ >= 14)
{
n = 0;
characters[charCount++] = ' ';
}
}
if(index == text.length - 2)
{
int d = (((int)(((char *)[text bytes])[index]) & 0x0ff) << 16)
| (((int)(((char *)[text bytes])[index + 1]) & 255) << 8);
characters[charCount++] = encodingTable[(d >> 18) & 63];
characters[charCount++] = encodingTable[(d >> 12) & 63];
characters[charCount++] = encodingTable[(d >> 6) & 63];
characters[charCount++] = '=';
}
else if(index == text.length - 1)
{
int d = ((int)(((char *)[text bytes])[index]) & 0x0ff) << 16;
characters[charCount++] = encodingTable[(d >> 18) & 63];
characters[charCount++] = encodingTable[(d >> 12) & 63];
characters[charCount++] = '=';
characters[charCount++] = '=';
}
NSString * rtnStr = [[NSString alloc] initWithBytesNoCopy:characters length:charCount encoding:NSUTF8StringEncoding freeWhenDone:YES];
return rtnStr;
}
@end
Object C源码下载：Object C的DES加解密算法源码
Python代码
#encoding=utf8
#pip install pyDes
import base64
from pyDes import *
Des_Key = "12345678"
Des_IV = bytes(Des_Key,encoding = "utf8")
def DesEncrypt(source):
k = des(Des_Key, CBC, Des_IV, pad = None, padmode = PAD_PKCS5)
tmpStr = k.encrypt(source)
tmpStr = base64.b64encode(tmpStr)
return str(tmpStr,"utf8")
def DesDecrypt(source):
k = des(Des_Key, CBC, Des_IV, pad = None, padmode = PAD_PKCS5)
source = base64.b64decode(source)
tmpStr = k.decrypt(source)
return str(tmpStr,"utf8")
print("123加密后是：",DesEncrypt("123"))
print("6u1n1q7jQ5A=解密后是：",DesDecrypt("6u1n1q7jQ5A="))
ok
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