/**
* Stores the hash of the given password.
* @param string $pwd The string to hash.
*/
public function __construct($pwd)
{
$this->hash = HashHouse::hash($pwd);
}
/**
* Returns as a binary string the final AES key used for decrypting
* the database file, computed from the seeds and the master composite key.
* @return string
*/
private function transformKey()
{
$seed = $this->header->transformSeed;
$keyHash = $this->key->getHash();
/// does not yet support the case rounds >> 2**31
$rounds = $this->header->rounds->asInt();
$AESEncryptor = new CipherMcrypt(CipherMcrypt::AES128, 'ecb', $seed);
$AESEncryptor->load();
for ($i = 0; $i < $rounds; $i++) {
$keyHash = $AESEncryptor->encrypt($keyHash);
}
$AESEncryptor->unload();
$finalKey = HashHouse::hash($keyHash);
$aesKey = HashHouse::hash($this->header->masterSeed . $finalKey);
return $aesKey;
}
/**
* Starts the KeePassPHP application. Must be called before any other method
* of KeePassPHP. If $debug is true, debug and error data will be added in
* the static variable KeePassPHP::$errordump ; if $debug is false,
* KeePass::$errordump will be non empty only if an error occurs.
* Regardless of the value of $debug, the property KeePassPHP::$isError is
* set to true if an error occurs. This way, a client application can check
* if KeePassPHP detected an error, and retrieve some information from
* KeePassPHP::$errordump (this information will probably not be useful
* if $debug is false, though).
*
* @param boolean $debug True to enable debug mode, false otherwise.
*/
public static function init($debug = false)
{
if (self::$started) {
return;
}
self::$isError = false;
self::$debug = $debug;
self::$errordump = "";
HashHouse::setDefault(self::DEFAULT_HASH);
self::$iconmanager = new IconManager(self::DIR_KEEPASSPHP . self::DIR_DATA . self::DIR_ICONS, self::PREFIX_ICON, false, false);
self::$dbmanager = new FileManager(self::DIR_KEEPASSPHP . self::DIR_DATA . self::DIR_SECURE . self::DIR_KPHPDB, self::PREFIX_DATABASE, true, false);
self::$kdbxmanager = new UploadManager(self::DIR_KEEPASSPHP . self::DIR_DATA . self::DIR_SECURE . self::DIR_KDBX, self::PREFEXT_KDBX);
self::$keymanager = new UploadManager(self::DIR_KEEPASSPHP . self::DIR_DATA . self::DIR_SECURE . self::DIR_KEY, self::PREFEXT_KEY);
self::$started = true;
self::printDebug("KeePassPHP application started !");
}
