diff --git a/plugins/password-sha1.php b/plugins/password-sha1.php
new file mode 100644
index 00000000..c2e3eda7
--- /dev/null
+++ b/plugins/password-sha1.php
@@ -0,0 +1,38 @@
+<?php
+
+/** Store password's SHA1 to session
+* @author Jakub Vrana, http://www.vrana.cz/
+* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
+* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
+*/
+class AdminerPasswordSha1 {
+	/** @access protected */
+	var $login, $passwordSha1, $credentials;
+	
+	/**
+	* @param string
+	* @param string
+	* @param array returned by credentials()
+	*/
+	function AdminerPasswordSha1($login, $passwordSha1, $credentials) {
+		$this->login = $login;
+		$this->passwordSha1 = $passwordSha1;
+		$this->credentials = $credentials;
+		if (isset($_POST["password"])) {
+			$_POST["password"] = sha1($_POST["password"]);
+		}
+	}
+	
+	function login($login, $password) {
+		return ($login == $this->login && $password == $this->passwordSha1);
+	}
+	
+	function credentials() {
+		return $this->credentials;
+	}
+	
+	function permanentLogin() {
+		//! should save original $_POST["password"] and hash after load
+	}
+	
+}