class Security{
public static function encrypt($input, $key) {
if (substr(PHP_VERSION, 0, 1) == '7') {
return self::opensslEncrypt($input,$key);
}else{
return self::mcryptEncrypt($input,$key);
}
}
public static function decrypt($input, $key) {
if (substr(PHP_VERSION, 0, 1) == '7') {
return self::opensslDecrypt($input,$key);
}else{
return self::mcryptDecrypt($input,$key);
}
}
/**
* [encrypt description]
* 使用mcrypt库进行加密
* @param [type] $input
* @param [type] $key
* @return [type]
*/
public static function mcryptEncrypt($input, $key) {
$size = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
$input = self::pkcs5Pad($input, $size);
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, '');
$iv = mcrypt_create_iv (mcrypt_enc_get_iv_size($td), MCRYPT_RAND);//MCRYPT_DEV_URANDOM
mcrypt_generic_init($td, $key, $iv);
$data = mcrypt_generic($td, $input);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
$data = base64_encode($data);
return $data;
}
/**
* [pkcs5Pad description]
* @param [type] $text
* @param [type] $blocksize
* @return [type]
*/
private static function pkcs5Pad($text, $blocksize) {
$pad = $blocksize - (strlen($text) % $blocksize);
return $text . str_repeat(chr($pad), $pad);
}
/**
* [decrypt description]
* 使用mcrypt库进行解密
* @param [type] $sStr
* @param [type] $sKey
* @return [type]
*/
public static function mcryptDecrypt($sStr, $sKey) {
$iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB), MCRYPT_RAND);//MCRYPT_DEV_URANDOM
$decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $sKey, base64_decode($sStr), MCRYPT_MODE_ECB, $iv);
$dec_s = strlen($decrypted);
$padding = ord($decrypted[$dec_s-1]);
$decrypted = substr($decrypted, 0, -$padding);
return $decrypted;
}
/**
* [opensslDecrypt description]
* 使用openssl库进行加密
* @param [type] $sStr
* @param [type] $sKey
* @return [type]
*/
public static function opensslEncrypt($sStr, $sKey, $method = 'AES-256-ECB'){
$str = openssl_encrypt($sStr,$method,$sKey);
return $str;
}
/**
* [opensslDecrypt description]
* 使用openssl库进行解密
* @param [type] $sStr
* @param [type] $sKey
* @return [type]
*/
public static function opensslDecrypt($sStr, $sKey, $method = 'AES-256-ECB'){
$str = openssl_decrypt($sStr,$method,$sKey);
return $str;
}
}
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。