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PHP实现对称加密与解密

时间：2024-06-11 11:35:37

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PHP实现对称加密与解密

后端开发|php教程

php,解密,加密

后端开发-php教程方法一：YII自带的加密方法

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/*** 加密* @var string [要加密的值]*/$secretKey = "wwj";$data = $res[u_id];$encryptedData = Yii::$app->getSecurity()->encryptByPassword($data, $secretKey);

/*** 解密* @var [type] [加密前的值]*/$aid = $req->get(uid);$secretKey = "wwj";$uid = Yii::$app->getSecurity()->decryptByPassword($aid,$secretKey);

方法二：

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/** * 安全URL编码 * @param type $data * @return type */function encode($data) { return str_replace(array(+, /, =), array(-, \_, \), base64_encode(serialize($data)));}/*** 安全URL解码* @param type $string* @return type*/function decode($string) { $data = str_replace(array(-, \_), array(+, /), $string); $mod4 = strlen($data) % 4; ($mod4) && $data .= substr(====, $mod4); return unserialize(base64_decode($data));}

方法三：

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/*** 加密* @param [type] $code [description]* @return [type] [description]*/public static function encrypt($code){ return urlencode(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, md5("key"), $code, MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND))));}/** * 解密 * @param [type] $code [description] * @return [type] [description] */public static function decrypt($code){ return urldecode(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, md5("key"), base64_decode($code), MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND)));}

方法四：

/*** 简单对称加密* @param string $string [需要加密的字符串]* @param string $skey [加密的key]* @return [type] [加密后]*/function encode($string = \, $skey = cxphp){ $strArr = str_split(base64_encode($string)); $strCount = count($strArr); foreach (str_split($skey) as $key => $value) $key < $strCount && $strArr[$key].=$value; return str_replace(array(=, +, /), array(O0O0O, o000o, oo00o), join(\, $strArr));}

/*** 简单对称解密* @param string $string [加密后的值]* @param string $skey [加密的key]* @return [type] [加密前的字符串]*/function decode($string = \, $skey = cxphp){ $strArr = str_split(str_replace(array(O0O0O, o000o, oo00o), array(=, +, /), $string), 2); $strCount = count($strArr); foreach (str_split($skey) as $key => $value) $key <= $strCount && isset($strArr[$key]) && $strArr[$key][1] === $value && $strArr[$key] = $strArr[$key][0]; return base64_decode(join(\, $strArr));}