44 lines
1.1 KiB
PHP
44 lines
1.1 KiB
PHP
<?php
|
|
|
|
class AES
|
|
{
|
|
|
|
public $cipher = 'aes-128-cbc';
|
|
|
|
/**
|
|
* 使用对称密钥进行加密
|
|
* @param $plainText
|
|
* @param $secret
|
|
* @param $iv
|
|
* @return string
|
|
*/
|
|
function encrypt($plainText, $secret, $iv = null)
|
|
{
|
|
$plainText = json_encode($plainText);
|
|
if (!empty($iv)) {
|
|
$encryptedData = openssl_encrypt($plainText, $this->cipher, $secret, OPENSSL_RAW_DATA, $iv);
|
|
} else {
|
|
$encryptedData = openssl_encrypt($plainText, $this->cipher, $secret);
|
|
}
|
|
return base64_encode($encryptedData);
|
|
}
|
|
|
|
/**
|
|
* 使用对称秘钥解密
|
|
* @param $plainText
|
|
* @param $secret
|
|
* @param $iv
|
|
* @return false|string
|
|
*/
|
|
function decrypt($plainText, $secret, $iv = null) {
|
|
$plainText = base64_decode($plainText);
|
|
if (!empty($iv)) {
|
|
$data = openssl_decrypt($plainText, $this->cipher, $secret, OPENSSL_RAW_DATA, $iv);
|
|
$data = json_decode($data, true);
|
|
return $data;
|
|
}
|
|
return openssl_decrypt($plainText, $this->cipher, $secret);
|
|
}
|
|
|
|
|
|
} |