1.example/php
<?php include 'Des.class.php';
$str = "aabcdefqrssdfsdfsdfsdfsdfasreguiowefisdfsdfsdfhldfsnasdhfuit";
$Des = new Des('12345678');
$encode = $Des->encode($str);
echo "<br>Des加密结果：<br>";
echo $encode;
$decode = $Des->decode($encode);
echo "<br>Des解密结果：<br>";
echo $decode;
$TripleDes = new TripleDes('12345678','abcdefgh');
$encode = $TripleDes->encode($str);
echo "<br>3Des加密结果：<br>";
echo $encode;
$decode = $TripleDes->decode($encode);
echo "<br>3Des解密结果：<br>";
echo $decode;
?>
2.tripledes.class.php
<?php
/**
* TripleDes 三次Des加密
* @author CuZn
* @last-modified 2013-4-18
*/
class TripleDes {
private $DesArr = array();
public function __construct($key1, $key2) {
$this->DesArr[] = new Des($key1);
$this->DesArr[] = new Des($key2);
}
public function encode($content) {
return $this->DesArr[0]->encode(
$this->DesArr[1]->decode(
$this->DesArr[0]->encode($content)
)
);
}
public function decode($content) {
return $this->DesArr[0]->decode(
$this->DesArr[1]->encode(
$this->DesArr[0]->decode($content)
)
);
}
}
?>
3.des.class.php
<?php
/**
* Des 主要操作类
* @author CuZn
* @last-modified 2013-4-18
*/
//加载分组密钥类和辅助函数
include 'DesKey.class.php';
include 'TripleDes.class.php';
include 'toolFunction.php';
class Des {
private $DesKey; //DesKey分组密钥对象
private $contentAdd = 'a'; //文字不足时的添加
private $permutationETable = array(//置换表E
32, 1, 2, 3, 4, 5,
4, 5, 6, 7, 8, 9,
8, 9, 10, 11, 12, 13,
12, 13, 14, 15, 16, 17,
16, 17, 18, 19, 20, 21,
20, 21, 22, 23, 24, 25,
24, 25, 26, 27, 28, 29,
28, 29, 30, 31, 32, 1
);
private $permutationPTable = array(//置换表P
16, 7, 20, 21, 29, 12, 28, 17,
1, 15, 23, 26, 5, 18, 31, 10,
2, 8, 24, 14, 32, 27, 3, 9,
19, 13, 30, 6, 22, 11, 4, 25
);
private $sBox = array(//S盒子
array(
14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7,
0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8,
4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0,
15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13
),
array(
15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10,
3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5,
0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15,
13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9
),
array(
10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8,
13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1,
13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7,
1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12
),
array(
7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15,
13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9,
10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4,
3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14
),
array(
2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9,
14, 11, 2, 12, 4, 7, 15, 1, 5, 0, 15, 10, 3, 9, 8, 6,
4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14,
11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3
),
array(
12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11,
10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8,
9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6,
4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13
),
array(
4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1,
13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6,
1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2,
6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12
),
array(
13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7,
1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2,
7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8,
2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11
)
);
public function __construct($key) {
$this->DesKey = new DesKey($key);
}
public function encode($content) {
return $this->authCode($content , 'encode' );
}
public function decode($content) {
return $this->authCode($content , 'decode');
}
/**
* 加密的启动函数
* @param string $type 加密类型
* @param type $content 加密内容
* @return type 加密结果
*/
public function authCode( $content , $type = 'encode') {
if ($type != 'encode') {
$type = 'decode';
}
$contentEncodeArr = array();
$contentArr = str_split($content, 8);
$encodeContent = '';
for ($index = 0; $index contentAdd, ( 8 - strlen($content)));
}
$contentBitArr = bytesToBitArr($content);
list($L, $R) = array_chunk($contentBitArr, 32);
$contentEncodeArr = $this->_run($L, $R, $type);
$byteArr = array_chunk($contentEncodeArr, 8);
for ($index1 = 0; $index1 DesKey->getSubKeyAt($round, $method); //子密钥
$FResult32Bit = $this->_F($subKey48Bit, $R); //轮函数结果
//异或
for ($index = 0; $index = 15) {
return array_merge($nextR, $nextL);
} else {
return $this->_run($nextL, $nextR, $method, ++$round);
}
}
/**
* Feitel架构中的轮函数
* @param type $subKey48Bit 48位的子密钥
* @param type $R 当前轮的右部分输入
* @return 32位结果
*/
public function _F($subKey48Bit, $R) {
$tmp48Bit = array();
//E表置换
for ($index = 0; $index permutationETable); $index++) {
$tmp48Bit[] = $R[$this->permutationETable[$index] - 1];
}
//与子密钥异或
for ($index = 0; $index sBox[$index][$selectPos];
if ($select >= 8) {
$tem32Bit[] = true;
} else {
$tem32Bit[] = false;
}
$select %= 8;
if ($select >= 4) {
$tem32Bit[] = true;
} else {
$tem32Bit[] = false;
}
$select %= 4;
if ($select >= 2) {
$tem32Bit[] = true;
} else {
$tem32Bit[] = false;
}
$select %=2;
if ($select >= 1) {
$tem32Bit[] = true;
} else {
$tem32Bit[] = false;
}
}
//置换P
$FResult32Bit = array();
for ($index = 0; $index permutationPTable); $index++) {
$FResult32Bit[] = $tem32Bit[$this->permutationPTable[$index] - 1];
}
return $FResult32Bit;
}
}
4.deskey.class.php
<?php
/**
* Des 生成加密分组密钥
* @author CuZn
* @last-modified 2013-4-18
*/
class DesKey {
private $key = '';
private $subKeyArr = array();
private $keyAdd = 'a';
private $CkeyArr = array();
private $dkeyArr = array();
private $leftShiftArr = array(1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1);
private $permutationTable = array(
14, 17, 11, 24, 1, 5, 3, 28,
15, 6, 21, 10, 23, 19, 13, 4,
26, 8, 16, 7, 27, 20, 13, 2,
41, 52, 31, 37, 47, 55, 30, 40,
51, 45, 33, 48, 44, 49, 39, 56,
34, 53, 46, 42, 50, 36, 29, 32
); //置换表
public function __construct($key) {
$this->_initKey($key);
$this->_generateSubKey();
}
/**
* 获取指定位置的子密钥
* @param type $index 位置
* @param type $method 决定是正序还是逆序
* @return type 48bit的子密钥
*/
public function getSubKeyAt($index, $method = 'encode') {
if ($method == 'encode') {
return $this->subKeyArr[$index];
} else {
return $this->subKeyArr[15 - $index];
}
}
/**
* 初始化64位的密钥
* @param type $key 字符密钥
*/
private function _initKey($key) {
$key = substr($key, 0, 8);
$keyLen = strlen($key);
//补全64位
if ($keyLen keyAdd, 8 - $keyLen);
}
$this->key = $key;
$bitArr = bytesToBitArr($this->key);
//初始化C0，左边取28位
for ($index = 0; $index CkeyArr[] = $bitArr[$index];
}
//初始化D0，右边取28位
for ($index = 32; $index DkeyArr[] = $bitArr[$index];
}
}
/**
* 16轮生成16个子密钥
* @param type $round 当前轮数
*/
private function _generateSubKey($round = 0) {
//左移
$tmp28BitC = array_shift($this->CkeyArr);
$tmp28BitD = array_shift($this->DkeyArr);
$this->CkeyArr[] = $tmp28BitC;
$this->DkeyArr[] = $tmp28BitD;
//是否继续左移
if ($this->leftShiftArr[$round] == 2) {
$tmp28BitC = array_shift($this->CkeyArr);
$tmp28BitD = array_shift($this->DkeyArr);
$this->CkeyArr[] = $tmp28BitC;
$this->DkeyArr[] = $tmp28BitD;
}
$tem56BitCDkey = array_merge($this->CkeyArr, $this->DkeyArr);
$tem48BitSubkey = array();
//置换&压缩
for ($index = 0; $index permutationTable); $index++) {
$tem48BitSubkey[] = $tem56BitCDkey[$this->permutationTable[$index] - 1];
}
$this->subKeyArr[] = $tem48BitSubkey;
if ($round _generateSubKey(++$round);
}
}
}
5.toolfunction.php
<?php
/**
* 将字节流转换成数组
* @param type $bytes
* @return boolean 数组
*/
function bytesToBitArr($bytes) {
$boolArr = array();
for ($i = 0; $i < strlen($bytes); $i++) {
$byte = substr($bytes, $i, 1);
for ($index = 0; $index < 8; $index++) {
if (((ord($byte) << $index) % 256) >= 128) {
$boolArr[] = true;
} else {
$boolArr[] = false;
}
}
}
return $boolArr;
}
/**
* 测试用
* @param type $bitArr
*/
function dumpBit($bitArr) {
for ($index = 0; $index ';
}
/**
* 测试用
* @param type $num
* @param type $str
*/
function testDesTime($num = 100, $str = '测试测试') {
$startPoint = microtimeFloat();
for ($index = 0; $index encode($str);
}
$endPoint = microtimeFloat();
$allTime = $endPoint - $startPoint;
return $allTime;
}
/**
* 测试用
* @param type $num
* @param type $str
*/
function testMd5Time($num = 100, $str = '测试测试') {
$startPoint = microtimeFloat();
for ($index = 0; $index
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