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Use OpenSSL for CAST5

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Mcrypt is deprecated, so use OpenSSL when we can, mcrypt when we can't.
This commit is contained in:
Stephen Paul Weber
2018-07-25 13:38:41 -05:00
parent 5a6b605710
commit 43497a15c0
3 changed files with 70 additions and 4 deletions
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5
lib/openpgp_crypt_symmetric.php
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@@ -9,6 +9,7 @@ use phpseclib\Crypt\Random;
require_once dirname(__FILE__).'/openpgp.php';
@include_once dirname(__FILE__).'/openpgp_crypt_rsa.php';
@include_once dirname(__FILE__).'/openpgp_mcrypt_wrapper.php';
@include_once dirname(__FILE__).'/openpgp_openssl_wrapper.php';
class OpenPGP_Crypt_Symmetric {
public static function encrypt($passphrases_and_keys, $message, $symmetric_algorithm=9) {
@@ -154,7 +155,9 @@ class OpenPGP_Crypt_Symmetric {
$key_block_bytes = 8;
break;
case 3:
if(defined('MCRYPT_CAST_128')) {
if(class_exists('OpenSSLWrapper')) {
$cipher = new OpenSSLWrapper("CAST5-CFB");
} else if(defined('MCRYPT_CAST_128')) {
$cipher = new MCryptWrapper(MCRYPT_CAST_128);
} else {
throw new Exception("Unsupported cipher: you must have mcrypt installed to use CAST5");