Documentation added

diff --git a/include/dfrn.php b/include/dfrn.php
index acd16dc618b3f2b67cbffff0c80f4738022dac1e..4002bb4268de07a2dca041789dfac033ff557666 100644 (file)
--- a/include/dfrn.php
+++ b/include/dfrn.php
@@ -864,10 +864,26 @@ class dfrn {
                return $entry;
        }
 
+       /**
+        * @brief encrypts data via AES
+        *
+        * @param string $data The data that is to be encrypted
+        * @param string $key The AES key
+        *
+        * @return string encrypted data
+        */
        private static function aes_encrypt($data, $key) {
                return openssl_encrypt($data, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
        }
 
+       /**
+        * @brief decrypts data via AES
+        *
+        * @param string $encrypted The encrypted data
+        * @param string $key The AES key
+        *
+        * @return string decrypted data
+        */
        public static function aes_decrypt($encrypted, $key) {
                return openssl_decrypt($encrypted, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
        }