本篇文章给大家带来的内容是关于php中des加解密的代码示例，有一定的参考价值，有需要的朋友可以参考一下，希望对你有所帮助。
test.php测试文件
<?php
require_once('Des.php');
$des = new Des();
$data['a'] = 'a';
$data['b'] = 'b';
$conf = ['appkey'=>'AbcdefghijklmnopqrstuvwX','secretcode'=>'Abcdefgh'];
$encode = $des->encode($data, $conf);
print_r($encode);
echo "<br>";
$decode = $des->decode($encode,$conf);
print_r($decode);
?>Des.php
<?php
require_once('TripleDES.php');
class Des {
public static function encode($data, $configKey) {
$tripleDes = new TripleDES();
if (is_array($data)) {
$data = json_encode($data);
}
return $tripleDes->encode($data, $configKey["appkey"], $configKey["secretcode"]);
}
public static function decode($data, $configKey) {
$tripleDes = new TripleDES();
return $tripleDes->decode($data, $configKey["appkey"], $configKey["secretcode"]);
}
public static function encodeArr($data, $configKey) {
$data = json_encode($data);
return self::encode($data, $configKey);
}
public static function decodeArr($data, $configKey) {
$res = self::decode($data, $configKey);
return json_decode($res,true);
}
}TripleDES.php
<?php
class TripleDES {
public static function genIvParameter() {
return mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_TRIPLEDES, MCRYPT_MODE_CBC), MCRYPT_RAND);
}
private static function pkcs5Pad($text, $blocksize) {
$pad = $blocksize - (strlen($text) % $blocksize); // in php, strlen returns the bytes of $text
return $text . str_repeat(chr($pad), $pad);
}
private static function pkcs5Unpad($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 * $pad);
}
public static function encryptText($plain_text, $key, $iv) {
$padded = TripleDES::pkcs5Pad($plain_text, mcrypt_get_block_size(MCRYPT_TRIPLEDES, MCRYPT_MODE_CBC));
return mcrypt_encrypt(MCRYPT_TRIPLEDES, $key, $padded, MCRYPT_MODE_CBC, $iv);
}
public static function decryptText($cipher_text, $key, $iv) {
if(function_exists('mcrypt_decrypt')){
$plain_text = mcrypt_decrypt(MCRYPT_TRIPLEDES, $key, $cipher_text, MCRYPT_MODE_CBC, $iv);
}else{
$plain_text = openssl_decrypt($cipher_text, 'DES-EDE3-CBC',$key, OPENSSL_NO_PADDING,$iv);
}
return TripleDES::pkcs5Unpad($plain_text);
}
public static function decode($cipher_text, $key, $iv) {
$cipher_text = base64_decode($cipher_text);
$cipher_text = TripleDES::decryptText($cipher_text, $key, $iv);
return $cipher_text;
}
public static function encode($cipher_text, $key, $iv) {
$cipher_text = TripleDES::encryptText($cipher_text, $key, $iv);
return base64_encode($cipher_text);
}
}【推荐课程：PHP视频教程】
