60 lines
1.2 KiB
PHP
60 lines
1.2 KiB
PHP
<?php
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namespace app\common\yun\util;
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class DesUtil
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{
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/**
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* 密钥向量
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* @var string
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*/
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private $des3key;
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/**
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* 混淆向量
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* @var string|null
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*/
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private $iv;
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/**
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* 构造，传递⼆个已经进⾏base64_encode的KEY与IV
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*
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* @param string $des3key
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* @param string $iv
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*/
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function __construct($des3key, $iv = null)
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{
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$this->des3key = $des3key;
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$this->iv = $iv;
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}
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/**
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* 加密
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* @param <type> $value
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* @return <type>
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*/
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public function encrypt($value)
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{
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$iv = substr($this->des3key, 0, 8);
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$ret = openssl_encrypt($value, 'DES-EDE3-CBC', $this->des3key, 0, $iv);
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if (false === $ret) {
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return openssl_error_string();
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}
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return $ret;
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}
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/**
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* 解密
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* @param <type> $value
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* @return <type>
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*/
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public function decrypt($value)
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{
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$iv = substr($this->des3key, 0, 8);
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$ret = openssl_decrypt($value, 'DES-EDE3-CBC', $this->des3key, 0, $iv);
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if (false === $ret) {
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return openssl_error_string();
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}
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return $ret;
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}
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}
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