deon/openpgp-php
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Encryption support

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Stephen Paul Weber
2013-01-26 17:01:26 -05:00
parent a56799955f
commit 7d776fd605
4 changed files with 127 additions and 6 deletions
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44
lib/openpgp.php
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@@ -113,6 +113,13 @@ class OpenPGP {
class OpenPGP_S2K {
public $type, $hash_algorithm, $salt, $count;
function __construct($salt='BADSALT', $hash_algorithm=10, $count=65536, $type=3) {
$this->type = $type;
$this->hash_algorithm = $hash_algorithm;
$this->salt = $salt;
$this->count = $count;
}
static function parse(&$input) {
$s2k = new OpenPGP_S2k();
switch($s2k->type = ord($input{0})) {
@@ -570,6 +577,13 @@ class OpenPGP_Packet {
class OpenPGP_AsymmetricSessionKeyPacket extends OpenPGP_Packet {
public $version, $keyid, $key_algorithm, $encrypted_data;
function __construct($key_algorithm='', $keyid='', $encrypted_data='', $version=3) {
$this->version = $version;
$this->keyid = substr($keyid, -16);
$this->key_algorithm = $key_algorithm;
$this->encrypted_data = $encrypted_data;
}
function read() {
switch($this->version = ord($this->read_byte())) {
case 3:
@@ -1230,6 +1244,13 @@ class OpenPGP_SignaturePacket_EmbeddedSignaturePacket extends OpenPGP_SignatureP
class OpenPGP_SymmetricSessionKeyPacket extends OpenPGP_Packet {
public $version, $symmetric_algorithm, $s2k, $encrypted_data;
function __construct($s2k=NULL, $encrypted_data='', $symmetric_algorithm=9, $version=3) {
$this->version = $version;
$this->symmetric_algorithm = $symmetric_algorithm;
$this->s2k = $s2k;
$this->encrypted_data = $encrypted_data;
}
function read() {
$this->version = ord($this->read_byte());
$this->symmetric_algorithm = ord($this->read_byte());
@@ -1775,6 +1796,10 @@ class OpenPGP_UserAttributePacket extends OpenPGP_Packet {
class OpenPGP_IntegrityProtectedDataPacket extends OpenPGP_EncryptedDataPacket {
public $version;
function __construct($data='', $version=1) {
$this->data = $data;
}
function read() {
$this->version = ord($this->read_byte());
$this->data = $this->input;
@@ -1791,7 +1816,24 @@ class OpenPGP_IntegrityProtectedDataPacket extends OpenPGP_EncryptedDataPacket {
* @see http://tools.ietf.org/html/rfc4880#section-5.14
*/
class OpenPGP_ModificationDetectionCodePacket extends OpenPGP_Packet {
// TODO
function __construct($sha1='') {
$this->data = $sha1;
}
function read() {
$this->data = $this->input;
if(strlen($this->input) != 20) throw new Exception("Bad ModificationDetectionCodePacket");
}
function header_and_body() {
$body = $this->body(); // Get body first, we will need it's length
if(strlen($body) != 20) throw new Exception("Bad ModificationDetectionCodePacket");
return array('header' => "\xD3\x14", 'body' => $body);
}
function body() {
return $this->data;
}
}
/**