diff --git a/inc/mod/auth.php b/inc/mod/auth.php
index 2a264f18..f6176b97 100644
--- a/inc/mod/auth.php
+++ b/inc/mod/auth.php
@@ -8,212 +8,230 @@ defined('TINYBOARD') or exit;
 
 // create a hash/salt pair for validate logins
 function mkhash($username, $password, $salt = false) {
-	global $config;
-	
-	if (!$salt) {
-		// create some sort of salt for the hash
-		$salt = substr(base64_encode(sha1(rand() . time(), true) . $config['cookies']['salt']), 0, 15);
-		
-		$generated_salt = true;
-	}
-	
-	// generate hash (method is not important as long as it's strong)
-	$hash = substr(
-		base64_encode(
-			md5(
-				$username . $config['cookies']['salt'] . sha1(
-					$username . $password . $salt . (
-						$config['mod']['lock_ip'] ? $_SERVER['REMOTE_ADDR'] : ''
-					), true
-				) . sha1($config['password_crypt_version']) // Log out users being logged in with older password encryption schema
-				, true
-			)
-		), 0, 20
-	);
-	
-	if (isset($generated_salt))
-		return array($hash, $salt);
-	else
-		return $hash;
+        global $config;
+
+        if (!$salt) {
+                // create some sort of salt for the hash
+                $salt = substr(base64_encode(sha1(rand() . time(), true) . $config['cookies']['salt']), 0, 15);
+
+                $generated_salt = true;
+        }
+
+        // generate hash (method is not important as long as it's strong)
+        $hash = substr(
+                base64_encode(
+                        md5(
+                                $username . $config['cookies']['salt'] . sha1(
+                                        $username . $password . $salt . (
+                                                $config['mod']['lock_ip'] ? $_SERVER['REMOTE_ADDR'] : ''
+                                        ), true
+                                ) . sha1($config['password_crypt_version']) // Log out users being logged in with older password encryption schema
+                                , true
+                        )
+                ), 0, 20
+        );
+
+        if (isset($generated_salt))
+                return array($hash, $salt);
+        else
+                return $hash;
+}
+
+function crypt_password_ancient($password) {
+        $salt = generate_salt();
+        $password = hash('sha256', $salt . sha1($password));
+        return array($salt, $password);
 }
 
 function crypt_password_old($password) {
-	$salt = generate_salt();
-	$password = hash('sha256', $salt . sha1($password));
-	return array($salt, $password);
+        global $config;
+        // `salt` database field is reused as a version value. We don't want it to be 0.
+        $version = $config['password_crypt_version'] ? $config['password_crypt_version'] : 1;
+        $new_salt = generate_salt();
+        $password = crypt($password, $config['password_crypt'] . $new_salt . "$");
+        return array($version, $password);
 }
 
 function crypt_password($password) {
-	global $config;
-	// `salt` database field is reused as a version value. We don't want it to be 0.
-	$version = $config['password_crypt_version'] ? $config['password_crypt_version'] : 1;
-	$new_salt = generate_salt();
-	$password = crypt($password, $config['password_crypt'] . $new_salt . "$");
-	return array($version, $password);
+        global $config;
+        // `salt` database field is reused as a version value. We don't want it to be 0.
+        $version = $config['password_crypt_version'] ? $config['password_crypt_version'] : 2;
+        $options = [
+          'cost' => 12,
+        ];
+        $password = password_hash($passsword, PASSWORD_BCRYPT, $options),
+        return array($version, $password);
 }
 
+
 function test_password($password, $salt, $test) {
-	global $config;
-
-	// Version = 0 denotes an old password hashing schema. In the same column, the
-	// password hash was kept previously
-	$version = (strlen($salt) <= 8) ? (int) $salt : 0;
-
-	if ($version == 0) {
-		$comp = hash('sha256', $salt . sha1($test));
-	}
-	else {
-		$comp = crypt($test, $password);
-	}
-	return array($version, hash_equals($password, $comp));
+        global $config;
+
+        // Version = 0 denotes an old password hashing schema. In the same column, the
+        // password hash was kept previously
+        $version = (strlen($salt) <= 8) ? (int) $salt : 0;
+
+        if ($version == 0) {
+                $comp = hash('sha256', $salt . sha1($test));
+        }
+        elseif ($version == 1) {
+                $comp = crypt($test, $password);
+        }
+        else {
+                $options = [
+                  'cost' => 12,
+                ];
+                $comp = password_hash($test, PASSWORD_BCRYPT, $options),
+        }
+        return array($version, hash_equals($password, $comp));
 }
 
 function generate_salt() {
-	// 128 bits of entropy
-	if (function_exists('random_bytes')) {
-		return strtr(base64_encode(random_bytes(16)), '+', '.');
-	} else {
-		return strtr(base64_encode(mcrypt_create_iv(16, MCRYPT_DEV_URANDOM)), '+', '.');
-	}
+        // 128 bits of entropy
+        if (function_exists('random_bytes')) {
+                return strtr(base64_encode(random_bytes(16)), '+', '.');
+        } else {
+                return strtr(base64_encode(mcrypt_create_iv(16, MCRYPT_DEV_URANDOM)), '+', '.');
+        }
 }
 
 function login($username, $password) {
-	global $mod, $config;
-	
-	$query = prepare("SELECT `id`, `type`, `boards`, `password`, `version` FROM ``mods`` WHERE BINARY `username` = :username");
-	$query->bindValue(':username', $username);
-	$query->execute() or error(db_error($query));
-	
-	if ($user = $query->fetch(PDO::FETCH_ASSOC)) {
-		list($version, $ok) = test_password($user['password'], $user['version'], $password);
-
-		if ($ok) {
-			if ($config['password_crypt_version'] > $version) {
-				// It's time to upgrade the password hashing method!
-				list ($user['version'], $user['password']) = crypt_password($password);
-				$query = prepare("UPDATE ``mods`` SET `password` = :password, `version` = :version WHERE `id` = :id");
-				$query->bindValue(':password', $user['password']);
-				$query->bindValue(':version', $user['version']);
-				$query->bindValue(':id', $user['id']);
-				$query->execute() or error(db_error($query));
-			}
-
-			return $mod = array(
-				'id' => $user['id'],
-				'type' => $user['type'],
-				'username' => $username,
-				'hash' => mkhash($username, $user['password']),
-				'boards' => explode(',', $user['boards'])
-			);
-		}
-	}
-	
-	return false;
+        global $mod, $config;
+
+        $query = prepare("SELECT `id`, `type`, `boards`, `password`, `version` FROM ``mods`` WHERE BINARY `username` = :username");
+        $query->bindValue(':username', $username);
+        $query->execute() or error(db_error($query));
+
+        if ($user = $query->fetch(PDO::FETCH_ASSOC)) {
+                list($version, $ok) = test_password($user['password'], $user['version'], $password);
+
+                if ($ok) {
+                        if ($config['password_crypt_version'] > $version) {
+                                // It's time to upgrade the password hashing method!
+                                list ($user['version'], $user['password']) = crypt_password($password);
+                                $query = prepare("UPDATE ``mods`` SET `password` = :password, `version` = :version WHERE `id` = :id");
+                                $query->bindValue(':password', $user['password']);
+                                $query->bindValue(':version', $user['version']);
+                                $query->bindValue(':id', $user['id']);
+                                $query->execute() or error(db_error($query));
+                        }
+                        $options = [
+                          'cost' => 12,
+                        ];
+                        return $mod = array(
+                                'id' => $user['id'],
+                                'type' => $user['type'],
+                                'username' => $username,
+                                'hash' =>  password_hash($user['password'], PASSWORD_BCRYPT, $options),
+                                'boards' => explode(',', $user['boards'])
+                        );
+                }
+        }
+
+        return false;
 }
 
 function setCookies() {
-	global $mod, $config;
-	if (!$mod)
-		error('setCookies() was called for a non-moderator!');
-	
-	setcookie($config['cookies']['mod'],
-			$mod['username'] . // username
-			':' . 
-			$mod['hash'][0] . // password
-			':' .
-			$mod['hash'][1], // salt
-		time() + $config['cookies']['expire'], $config['cookies']['jail'] ? $config['cookies']['path'] : '/', null, !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off', $config['cookies']['httponly']);
+        global $mod, $config;
+        if (!$mod)
+                error('setCookies() was called for a non-moderator!');
+
+        setcookie($config['cookies']['mod'],
+                        $mod['username'] . // username
+                        ':' . 
+                        $mod['hash'][0] , // password
+                time() + $config['cookies']['expire'], $config['cookies']['jail'] ? $config['cookies']['path'] : '/', null, !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off', $config['cookies']['httponly']);
 }
 
 function destroyCookies() {
-	global $config;
-	// Delete the cookies
-	setcookie($config['cookies']['mod'], 'deleted', time() - $config['cookies']['expire'], $config['cookies']['jail']?$config['cookies']['path'] : '/', null, !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off', true);
+        global $config;
+        // Delete the cookies
+        setcookie($config['cookies']['mod'], 'deleted', time() - $config['cookies']['expire'], $config['cookies']['jail']?$config['cookies']['path'] : '/', null, !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off', true);
 }
 
 function modLog($action, $_board=null) {
-	global $mod, $board, $config;
-	$query = prepare("INSERT INTO ``modlogs`` VALUES (:id, :ip, :board, :time, :text)");
-	$query->bindValue(':id', (isset($mod['id']) ? $mod['id'] : -1), PDO::PARAM_INT);
-	$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
-	$query->bindValue(':time', time(), PDO::PARAM_INT);
-	$query->bindValue(':text', $action);
-	if (isset($_board))
-		$query->bindValue(':board', $_board);
-	elseif (isset($board))
-		$query->bindValue(':board', $board['uri']);
-	else
-		$query->bindValue(':board', null, PDO::PARAM_NULL);
-	$query->execute() or error(db_error($query));
-	
-	if ($config['syslog'])
-		_syslog(LOG_INFO, '[mod/' . $mod['username'] . ']: ' . $action);
+        global $mod, $board, $config;
+        $query = prepare("INSERT INTO ``modlogs`` VALUES (:id, :ip, :board, :time, :text)");
+        $query->bindValue(':id', (isset($mod['id']) ? $mod['id'] : -1), PDO::PARAM_INT);
+        $query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
+        $query->bindValue(':time', time(), PDO::PARAM_INT);
+        $query->bindValue(':text', $action);
+        if (isset($_board))
+                $query->bindValue(':board', $_board);
+        elseif (isset($board))
+                $query->bindValue(':board', $board['uri']);
+        else
+                $query->bindValue(':board', null, PDO::PARAM_NULL);
+        $query->execute() or error(db_error($query));
+
+        if ($config['syslog'])
+                _syslog(LOG_INFO, '[mod/' . $mod['username'] . ']: ' . $action);
 }
 
 function create_pm_header() {
-	global $mod, $config;
-	
-	if ($config['cache']['enabled'] && ($header = cache::get('pm_unread_' . $mod['id'])) != false) {
-		if ($header === true)
-			return false;
-	
-		return $header;
-	}
-	
-	$query = prepare("SELECT `id` FROM ``pms`` WHERE `to` = :id AND `unread` = 1");
-	$query->bindValue(':id', $mod['id'], PDO::PARAM_INT);
-	$query->execute() or error(db_error($query));
-	
-	if ($pm = $query->fetch(PDO::FETCH_ASSOC))
-		$header = array('id' => $pm['id'], 'waiting' => $query->rowCount() - 1);
-	else
-		$header = true;
-	
-	if ($config['cache']['enabled'])
-		cache::set('pm_unread_' . $mod['id'], $header);
-	
-	if ($header === true)
-		return false;
-	
-	return $header;
+        global $mod, $config;
+
+        if ($config['cache']['enabled'] && ($header = cache::get('pm_unread_' . $mod['id'])) != false) {
+                if ($header === true)
+                        return false;
+
+                return $header;
+        }
+
+        $query = prepare("SELECT `id` FROM ``pms`` WHERE `to` = :id AND `unread` = 1");
+        $query->bindValue(':id', $mod['id'], PDO::PARAM_INT);
+        $query->execute() or error(db_error($query));
+
+        if ($pm = $query->fetch(PDO::FETCH_ASSOC))
+                $header = array('id' => $pm['id'], 'waiting' => $query->rowCount() - 1);
+        else
+                $header = true;
+
+        if ($config['cache']['enabled'])
+                cache::set('pm_unread_' . $mod['id'], $header);
+
+        if ($header === true)
+                return false;
+
+        return $header;
 }
 
 function make_secure_link_token($uri) {
-	global $mod, $config;
-	return substr(sha1($config['cookies']['salt'] . '-' . $uri . '-' . $mod['id']), 0, 8);
+        global $mod, $config;
+        return substr(sha1($config['cookies']['salt'] . '-' . $uri . '-' . $mod['id']), 0, 8);
 }
 
 function check_login($prompt = false) {
-	global $config, $mod;
-	// Validate session
-	if (isset($_COOKIE[$config['cookies']['mod']])) {
-		// Should be username:hash:salt
-		$cookie = explode(':', $_COOKIE[$config['cookies']['mod']]);
-		if (count($cookie) != 3) {
-			// Malformed cookies
-			destroyCookies();
-			if ($prompt) mod_login();
-			exit;
-		}
-		
-		$query = prepare("SELECT `id`, `type`, `boards`, `password` FROM ``mods`` WHERE `username` = :username");
-		$query->bindValue(':username', $cookie[0]);
-		$query->execute() or error(db_error($query));
-		$user = $query->fetch(PDO::FETCH_ASSOC);
-		
-		// validate password hash
-		if ($cookie[1] !== mkhash($cookie[0], $user['password'], $cookie[2])) {
-			// Malformed cookies
-			destroyCookies();
-			if ($prompt) mod_login();
-			exit;
-		}
-		
-		$mod = array(
-			'id' => $user['id'],
-			'type' => $user['type'],
-			'username' => $cookie[0],
-			'boards' => explode(',', $user['boards'])
-		);
-	}
+        global $config, $mod;
+        // Validate session
+        if (isset($_COOKIE[$config['cookies']['mod']])) {
+                // Should be username:hash:salt
+                $cookie = explode(':', $_COOKIE[$config['cookies']['mod']]);
+                if (count($cookie) != 3) {
+                        // Malformed cookies
+                        destroyCookies();
+                        if ($prompt) mod_login();
+                        exit;
+                }
+
+                $query = prepare("SELECT `id`, `type`, `boards`, `password` FROM ``mods`` WHERE `username` = :username");
+                $query->bindValue(':username', $cookie[0]);
+                $query->execute() or error(db_error($query));
+                $user = $query->fetch(PDO::FETCH_ASSOC);
+
+                // validate password hash
+                if (!password_verify($user['password'], $cookie[1])) {
+                        // Malformed cookies
+                        destroyCookies();
+                        if ($prompt) mod_login();
+                        exit;
+                }
+
+                $mod = array(
+                        'id' => $user['id'],
+                        'type' => $user['type'],
+                        'username' => $cookie[0],
+                        'boards' => explode(',', $user['boards'])
+                );
+        }
 }