openpgp-php/lib/openpgp_openssl_wrapper.php
Stephen Paul Weber 43497a15c0 Use OpenSSL for CAST5
Mcrypt is deprecated, so use OpenSSL when we can, mcrypt when we can't.
2018-07-25 14:08:00 -05:00

34 lines
825 B
PHP

<?php
if(function_exists('openssl_encrypt')) {
class OpenSSLWrapper {
public $cipher, $key, $iv, $key_size, $block_size;
function __construct($cipher) {
if($cipher != "CAST5-CFB") throw Exception("OpenSSLWrapper is only used for CAST5 right now");
$this->cipher = $cipher;
$this->key_size = 16;
$this->block_size = 8;
$this->iv = str_repeat("\0", 8);
}
function setKey($key) {
$this->key = $key;
}
function setIV($iv) {
$this->iv = $iv;
}
function encrypt($data) {
return openssl_encrypt($data, $this->cipher, $this->key, OPENSSL_RAW_DATA|OPENSSL_ZERO_PADDING, $this->iv);
}
function decrypt($data) {
return openssl_decrypt($data, $this->cipher, $this->key, OPENSSL_RAW_DATA|OPENSSL_ZERO_PADDING, $this->iv);
}
}
}