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[securemail] Upgrade Composer dependencies to fix PHP8 issue

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- Upgrading phpseclib/phpseclib (2.0.4 => 2.0.34)
- Upgrading singpolyma/openpgp-php (0.3.0 => 0.5.0)
This commit is contained in:
Hypolite Petovan 2021-11-16 15:36:33 -05:00
parent fb77e3c5ea
commit 0c7fd9a34d
65 changed files with 5407 additions and 3230 deletions
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78
securemail/vendor/singpolyma/openpgp-php/lib/openpgp_crypt_symmetric.php vendored
View file

@ -1,15 +1,15 @@
<?php
use phpseclib\Crypt\TripleDES as Crypt_TripleDES;
use phpseclib\Crypt\AES as Crypt_AES;
use phpseclib\Crypt\Blowfish as Crypt_Blowfish;
use phpseclib\Crypt\TripleDES as Crypt_TripleDES;
use phpseclib\Crypt\Twofish as Crypt_Twofish;
use phpseclib\Crypt\Random;
define('CRYPT_DES_MODE_CFB', Crypt_TripleDES::MODE_CFB);
define('CRYPT_AES_MODE_CFB', Crypt_AES::MODE_CFB);
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) {
@ -40,7 +40,7 @@ class OpenPGP_Crypt_Symmetric {
$esk = pack('n', OpenPGP::bitlength($esk)) . $esk;
array_unshift($encrypted, new OpenPGP_AsymmetricSessionKeyPacket($pass->algorithm, $pass->fingerprint(), $esk));
} else if(is_string($pass)) {
$s2k = new OpenPGP_S2K(Random::string(10));
$s2k = new OpenPGP_S2K(Random::string(8));
$cipher->setKey($s2k->make_key($pass, $key_bytes));
$esk = $cipher->encrypt(chr($symmetric_algorithm) . $key);
array_unshift($encrypted, new OpenPGP_SymmetricSessionKeyPacket($s2k, $esk, $symmetric_algorithm));
@ -62,7 +62,7 @@ class OpenPGP_Crypt_Symmetric {
$padAmount = $key_block_bytes - (strlen($p->encrypted_data) % $key_block_bytes);
$data = substr($cipher->decrypt($p->encrypted_data . str_repeat("\0", $padAmount)), 0, strlen($p->encrypted_data));
$decrypted = self::decryptPacket($epacket, ord($data{0}), substr($data, 1));
$decrypted = self::decryptPacket($epacket, ord($data[0]), substr($data, 1));
} else {
list($cipher, $key_bytes, $key_block_bytes) = self::getCipher($p->symmetric_algorithm);
$decrypted = self::decryptPacket($epacket, $p->symmetric_algorithm, $p->s2k->make_key($pass, $key_bytes));
@ -75,6 +75,31 @@ class OpenPGP_Crypt_Symmetric {
return NULL; /* If we get here, we failed */
}
public static function encryptSecretKey($pass, $packet, $symmetric_algorithm=9) {
$packet = clone $packet; // Do not mutate original
$packet->s2k_useage = 254;
$packet->symmetric_algorithm = $symmetric_algorithm;
list($cipher, $key_bytes, $key_block_bytes) = self::getCipher($packet->symmetric_algorithm);
if(!$cipher) throw new Exception("Unsupported cipher");
$material = '';
foreach(OpenPGP_SecretKeyPacket::$secret_key_fields[$packet->algorithm] as $field) {
$f = $packet->key[$field];
$material .= pack('n', OpenPGP::bitlength($f)) . $f;
unset($packet->key[$field]);
}
$material .= hash('sha1', $material, true);
$iv = Random::string($key_block_bytes);
if(!$packet->s2k) $packet->s2k = new OpenPGP_S2K(Random::string(8));
$cipher->setKey($packet->s2k->make_key($pass, $key_bytes));
$cipher->setIV($iv);
$packet->encrypted_data = $iv . $cipher->encrypt($material);
return $packet;
}
public static function decryptSecretKey($pass, $packet) {
$packet = clone $packet; // Do not mutate orinigal
@ -97,6 +122,7 @@ class OpenPGP_Crypt_Symmetric {
if($chk != $mkChk) return NULL;
}
$packet->s2k = NULL;
$packet->s2k_useage = 0;
$packet->symmetric_algorithm = 0;
$packet->encrypted_data = NULL;
@ -146,29 +172,45 @@ class OpenPGP_Crypt_Symmetric {
public static function getCipher($algo) {
$cipher = NULL;
switch($algo) {
case NULL:
case 0:
throw new Exception("Data is already unencrypted");
case 2:
$cipher = new Crypt_TripleDES(CRYPT_DES_MODE_CFB);
$key_bytes = 24;
$key_block_bytes = 8;
$cipher = new Crypt_TripleDES(Crypt_TripleDES::MODE_CFB);
$key_bytes = 24;
$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");
}
break;
case 4:
$cipher = new Crypt_Blowfish(Crypt_Blowfish::MODE_CFB);
$key_bytes = 16;
$key_block_bytes = 8;
break;
case 7:
$cipher = new Crypt_AES(CRYPT_AES_MODE_CFB);
$cipher->setKeyLength(128);
$cipher = new Crypt_AES(Crypt_AES::MODE_CFB);
$cipher->setKeyLength(128);
break;
case 8:
$cipher = new Crypt_AES(CRYPT_AES_MODE_CFB);
$cipher->setKeyLength(192);
$cipher = new Crypt_AES(Crypt_AES::MODE_CFB);
$cipher->setKeyLength(192);
break;
case 9:
$cipher = new Crypt_AES(CRYPT_AES_MODE_CFB);
$cipher = new Crypt_AES(Crypt_AES::MODE_CFB);
$cipher->setKeyLength(256);
break;
case 10:
$cipher = new Crypt_Twofish(Crypt_Twofish::MODE_CFB);
if(method_exists($cipher, 'setKeyLength')) {
$cipher->setKeyLength(256);
} else {
$cipher = NULL;
}
break;
}
if(!$cipher) return array(NULL, NULL, NULL); // Unsupported cipher
@ -187,7 +229,7 @@ class OpenPGP_Crypt_Symmetric {
public static function checksum($s) {
$mkChk = 0;
for($i = 0; $i < strlen($s); $i++) {
$mkChk = ($mkChk + ord($s{$i})) % 65536;
$mkChk = ($mkChk + ord($s[$i])) % 65536;
}
return $mkChk;
}