use default cipher

Author: taylorotwell

src/Illuminate/Foundation/Console/EnvironmentDecryptCommand.php

@@ -78,7 +78,7 @@ public function handle()
             return Command::FAILURE;
         }
 
-        $cipher = $this->option('cipher') ?: 'aes-128-cbc';
+        $cipher = $this->option('cipher') ?: 'AES-256-CBC';
 
         $key = $this->parseKey($key);
 

src/Illuminate/Foundation/Console/EnvironmentEncryptCommand.php

@@ -67,7 +67,7 @@ public function __construct(Filesystem $files)
      */
     public function handle()
     {
-        $cipher = $this->option('cipher') ?: 'aes-128-cbc';
+        $cipher = $this->option('cipher') ?: 'AES-256-CBC';
 
         $key = $this->option('key');