PHP7.1后,mcrypt_decrypt加解密废弃了,以前项目使用的是mcrypt加密的,现在换成openssl,不能得到相同的密文,大侠帮忙看一下,哪个地方配置错了。
$str = 'oJrPejuwDI0yQnz1PVPEpqoRHWQ8';
$key = base64_decode('TMCKn1LCSPeWo9m79qQ73IF/unFhdMxw1');
$Encr = new AesCryptUtil();
$en1 = $Encr::mcryptEncrypt($str,$key);
$en2 = $Encr::opensslEncrypt($str,$key);
$den1= $Encr::mcryptDecrypt($en1,$key);
$den2= $Encr::opensslDecrypt($en2,$key);
echo "加密前数据:".$str."\r\n";
echo "Encrypt加密后数据:".$en1."\r\n";
echo "Decrypt解密的数据:".$den1."\r\n";
echo "openssl加密后数据:".$en2."\r\n";
echo "openssl解密的数据:".$den2."\r\n";
class AesCryptUtil{
private static $key = 'VE1DS24xTENTUGVXbzltNzlxUTczSUYvdW5GaGRNeHc=';
/**
* [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-128-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-128-ECB'){
$str = openssl_decrypt($sStr,$method,$sKey);
return $str;
}
}
运行后的结果如下:
加密前数据:oJrPejuwDI0yQnz1PVPEpqoRHWQ8Encrypt加密后数据:r0d668uEQfHeeNjfH6bsu8c/sMWeoD9GB8vLLuDQv3k=Decrypt解密的数据:oJrPejuwDI0yQnz1PVPEpqoRHWQ8openssl加密后数据:kcRSH49Gi5plcNrIqR53N6ZX5llo07V0EgllUaRnAKo=openssl解密的数据:oJrPejuwDI0yQnz1PVPEpqoRHWQ8
运行后两种方法加密的结果不一样,但是各自都能解密。由于接口已经固定,所有现在需要使用openssl 加密的密文和mcrypt加密后的一致,所以只能调整openssl的加密了
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