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Merge branch '1.0' into 2.0

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This commit is contained in:
terrafrost 2023-06-13 03:02:45 -05:00
commit cbbadea6d1
1 changed files with 21 additions and 7 deletions
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28
phpseclib/Net/SSH2.php
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@ -436,6 +436,13 @@ class SSH2
*/
var $hmac_create = false;
/**
* Client to Server HMAC Name
*
* @var string|false
*/
private $hmac_create_name;
/**
* Server to Client HMAC Object
*
@ -445,6 +452,13 @@ class SSH2
*/
var $hmac_check = false;
/**
* Server to Client HMAC Name
*
* @var string|false
*/
var $hmac_check_name;
/**
* Size of server to client HMAC
*
@ -2083,7 +2097,7 @@ class SSH2
$this->hmac_create = new Hash('md5-96');
$createKeyLength = 16;
}
$this->hmac_create->name = $mac_algorithm_out;
$this->hmac_create_name = $mac_algorithm_out;
$checkKeyLength = 0;
$this->hmac_size = 0;
@ -2113,7 +2127,7 @@ class SSH2
$checkKeyLength = 16;
$this->hmac_size = 12;
}
$this->hmac_check->name = $mac_algorithm_in;
$this->hmac_check_name = $mac_algorithm_in;
$key = $kexHash->hash($keyBytes . $this->exchange_hash . 'E' . $this->session_id);
while ($createKeyLength > strlen($key)) {
@ -3605,7 +3619,7 @@ class SSH2
// "implementations SHOULD check that the packet length is reasonable"
// PuTTY uses 0x9000 as the actual max packet size and so to shall we
if ($remaining_length < -$this->decrypt_block_size || $remaining_length > 0x9000 || $remaining_length % $this->decrypt_block_size != 0) {
if (!$this->bad_key_size_fix && $this->_bad_algorithm_candidate($this->decrypt->name) && !($this->bitmap & SSH2::MASK_LOGIN)) {
if (!$this->bad_key_size_fix && $this->_bad_algorithm_candidate($this->decryptName) && !($this->bitmap & SSH2::MASK_LOGIN)) {
$this->bad_key_size_fix = true;
$this->_reset_connection(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
return false;
@ -5010,13 +5024,13 @@ class SSH2
'kex' => $this->kex_algorithm,
'hostkey' => $this->signature_format,
'client_to_server' => array(
'crypt' => $this->encrypt->name,
'mac' => $this->hmac_create->name,
'crypt' => $this->encryptName,
'mac' => $this->hmac_create_name,
'comp' => $compression_map[$this->compress],
),
'server_to_client' => array(
'crypt' => $this->decrypt->name,
'mac' => $this->hmac_check->name,
'crypt' => $this->decryptName,
'mac' => $this->hmac_check_name,
'comp' => $compression_map[$this->decompress],
)
);