public function __construct($key, $iv)
{
if ($key == null || strlen($key) != self::KEY_LEN) {
return;
}
if ($iv == null || strlen($iv) != self::IV_LEN) {
return;
}
$this->state = array();
for ($i = 0; $i < self::STATE_LEN; $i++) {
$this->state[$i] = 0;
}
$this->output = array();
for ($i = 0; $i < self::OUTPUT_LEN; $i++) {
$this->output[$i] = 0;
}
$this->outputPos = self::OUTPUT_LEN;
$this->keySetup(Binary::fromString($key, self::KEY_LEN));
$this->ivSetup(Binary::fromString($iv, self::IV_LEN));
}
public function readByte()
{
$s = $this->read(1);
return Binary::fromString($s, 1);
}
/**
* Adds the given debug string $msg, then the given binary string $bin as an
* hex string, to the debug data if debug mode is on.
* @param string $msg The 'normal' string to add to the debug data.
* @param string $bin The binary string to print in hexa.
*/
public static function printDebugHexa($msg, $bin)
{
if (self::$debug) {
self::$errordump .= self::makePrintable($msg . " :: " . Binary::fromString($bin)->asHexString()) . "\n";
}
}
/**
* Prints the header if debug mode is on.
*/
public function printHeader()
{
if (KeePassPHP::$debug) {
echo "<pre>", "cipher := ", $this->cipher == null ? "null" : CipherMcrypt::AES128, "\ncompression := ", $this->compression, "\nmasterSeed := ", Binary::fromString($this->masterSeed)->asHexString(), "\ntransformSeed := ", Binary::fromString($this->transformSeed)->asHexString(), "\nrounds := ", $this->rounds == null ? "null" : "0x" . $this->rounds->asHexString(), "\nencryptionIV := ", Binary::fromString($this->encryptionIV)->asHexString(), "\nstreamStartBytes := ", Binary::fromString($this->startBytes)->asHexString(), "</pre>";
}
}
