From 50c9ea154c125f5ce1a2d0384470f4e71188d628 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Fri, 7 Nov 2014 16:57:41 +0200
Subject: Fix #3317 ... MCrypt sucks

---
 system/libraries/Encryption.php                 | 1 +
 tests/codeigniter/libraries/Encryption_test.php | 7 ++++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/system/libraries/Encryption.php b/system/libraries/Encryption.php
index fe8434c46..2a28714f5 100644
--- a/system/libraries/Encryption.php
+++ b/system/libraries/Encryption.php
@@ -212,6 +212,7 @@ class CI_Encryption {
 			log_message('debug', "Encryption: Auto-configured driver '".$this->_driver."'.");
 		}
 
+		empty($params['cipher']) && $params['cipher'] = $this->_cipher;
 		empty($params['key']) OR $this->_key = $params['key'];
 		$this->{'_'.$this->_driver.'_initialize'}($params);
 		return $this;
diff --git a/tests/codeigniter/libraries/Encryption_test.php b/tests/codeigniter/libraries/Encryption_test.php
index f457fe325..cbcae3133 100644
--- a/tests/codeigniter/libraries/Encryption_test.php
+++ b/tests/codeigniter/libraries/Encryption_test.php
@@ -155,15 +155,16 @@ class Encryption_test extends CI_TestCase {
 		);
 
 		$output = $this->encryption->__get_params($params);
-		unset($output['handle'], $params['raw_data']);
+		unset($output['handle'], $output['cipher'], $params['raw_data'], $params['cipher']);
 		$params['base64'] = FALSE;
 		$this->assertEquals($params, $output);
 
 		// HMAC disabled
 		unset($params['hmac_key'], $params['hmac_digest']);
 		$params['hmac'] = $params['raw_data'] = FALSE;
+		$params['cipher'] = 'aes-128';
 		$output = $this->encryption->__get_params($params);
-		unset($output['handle'], $params['hmac'], $params['raw_data']);
+		unset($output['handle'], $output['cipher'], $params['hmac'], $params['raw_data'], $params['cipher']);
 		$params['base64'] = TRUE;
 		$params['hmac_digest'] = $params['hmac_key'] = NULL;
 		$this->assertEquals($params, $output);
@@ -195,7 +196,7 @@ class Encryption_test extends CI_TestCase {
 		$this->assertEquals($message, $this->encryption->decrypt($this->encryption->encrypt($message)));
 
 		// Try DES in ECB mode, just for the sake of changing stuff
-		$this->encryption->initialize(array('cipher' => 'des', 'mode' => 'ecb'));
+		$this->encryption->initialize(array('cipher' => 'des', 'mode' => 'ecb', 'key' => substr($key, 0, 8)));
 		$this->assertEquals($message, $this->encryption->decrypt($this->encryption->encrypt($message)));
 	}
 
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