Enigma: Always use detached signatures (#5624)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Enigma: Always use detached signatures (#5624)
 - Fix autocomplete popup closing with click outside the input, don't handle Tab key as Enter (#5606)
 - Fix jsdeps.json synchronization on update, warn about missing requirements of install-jsdeps.sh (#5598)
 - Fix missing thread expand icon on search result in widescreen mode (#5613)

plugins/enigma/lib/enigma_engine.php

@@ -164,11 +164,7 @@ class enigma_engine
         case self::SIGN_MODE_MIME:
             $pgp_mode = Crypt_GPG::SIGN_MODE_DETACHED;
             break;
-/*
-        case self::SIGN_MODE_SEPARATE:
-            $pgp_mode = Crypt_GPG::SIGN_MODE_NORMAL;
-            break;
-*/
+
         default:
             if ($mime->isMultipart()) {
                 $pgp_mode = Crypt_GPG::SIGN_MODE_DETACHED;

plugins/enigma/lib/enigma_ui.php

@@ -1079,7 +1079,7 @@ class enigma_ui
         }
         else if (!$savedraft && $sign_enable) {
             $engine = $this->enigma->load_engine();
-            $status = $engine->sign_message($p['message']);
+            $status = $engine->sign_message($p['message'], enigma_engine::SIGN_MODE_MIME);
             $mode   = 'sign';
         }