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<?php
namespace Tarantool\Client\Request;
use Tarantool\Client\IProto;
class AuthenticateRequest implements Request
{
private $salt;
private $username;
private $password;
public function __construct($salt, $username, $password = null)
$this->salt = $salt;
$this->username = $username;
$this->password = $password;
}
public function getType()
return self::TYPE_AUTHENTICATE;
public function getBody()
if (null === $this->password) {
return [
IProto::TUPLE => [],
IProto::USER_NAME => $this->username,
];
$hash1 = sha1($this->password, true);
$hash2 = sha1($hash1, true);
$scramble = sha1($this->salt.$hash2, true);
$scramble = self::strxor($hash1, $scramble);
IProto::TUPLE => ['chap-sha1', $scramble],
private static function strxor($rhs, $lhs)
$result = '';
for ($i = 0; $i < 20; $i++) {
$result .= $rhs[$i] ^ $lhs[$i];
return $result;
tarantool-php /
client
