mail_obscure - AES-256 is way too slow, simplify. Ideally a substitution cipher would be adequate for our requirements.

mod/message.php

@@ -25,7 +25,6 @@ function message_content(&$a) {
 		$cipher = 'aes256';
 
 
-
 	$tpl = get_markup_template('mail_head.tpl');
 	$header = replace_macros($tpl, array(
 		'$messages' => t('Messages'),
@@ -49,7 +48,6 @@ function message_content(&$a) {
 
 		// private_messages_list() can do other more complicated stuff, for now keep it simple
 
-
 		$r = private_messages_list(local_channel(), '', $a->pager['start'], $a->pager['itemspage']);
 
 		if(! $r) {