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-rw-r--r--program/include/rcmail.php5
1 files changed, 5 insertions, 0 deletions
diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index 65bac3813..23637157f 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -882,6 +882,8 @@ class rcmail
*/
public function encrypt($clear, $key = 'des_key', $base64 = true)
{
+ if (!$clear)
+ return '';
/*-
* Add a single canary byte to the end of the clear text, which
* will help find out how much of padding will need to be removed
@@ -930,6 +932,9 @@ class rcmail
*/
public function decrypt($cipher, $key = 'des_key', $base64 = true)
{
+ if (!$cipher)
+ return '';
+
$cipher = $base64 ? base64_decode($cipher) : $cipher;
if (function_exists('mcrypt_module_open') &&