don't remember login if the encrypion app is enabled because the user

needs to log-in again in order to decrypt his private key with his password

core/templates/login.php

@@ -32,9 +32,10 @@
 			<?php p($l->t('Lost your password?')); ?>
 		</a>
 		<?php endif; ?>
-
+		<?php if ($_['encryption_enabled'] === false) : ?>
 		<input type="checkbox" name="remember_login" value="1" id="remember_login" checked />
 		<label for="remember_login"><?php p($l->t('remember')); ?></label>
+		<?php endif; ?>
 		<input type="hidden" name="timezone-offset" id="timezone-offset"/>
 		<input type="submit" id="submit" class="login primary" value="<?php p($l->t('Log in')); ?>"/>
 	</fieldset>

lib/base.php

@@ -760,6 +760,7 @@ class OC {
 			|| !isset($_COOKIE["oc_token"])
 			|| !isset($_COOKIE["oc_username"])
 			|| !$_COOKIE["oc_remember_login"]
+			|| OC_App::isEnabled('files_encryption')
 		) {
 			return false;
 		}

lib/util.php

@@ -467,6 +467,7 @@ class OC_Util {
 		}
 
 		$parameters['alt_login'] = OC_App::getAlternativeLogIns();
+		$parameters['encryption_enabled'] = OC_App::isEnabled('files_encryption');
 		OC_Template::printGuestPage("", "login", $parameters);
 	}