diff --git a/Ext4Crypt.h b/Ext4Crypt.h
index 2dcc197..89cfbab 100644
--- a/Ext4Crypt.h
+++ b/Ext4Crypt.h
@@ -28,9 +28,8 @@
 bool e4crypt_init_user0();
 bool e4crypt_vold_create_user_key(userid_t user_id, int serial, bool ephemeral);
 bool e4crypt_destroy_user_key(userid_t user_id);
-bool e4crypt_add_user_key_auth(userid_t user_id, int serial, const char* token,
-                               const char* secret);
-bool e4crypt_fixate_newest_user_key_auth(userid_t user_id);
+bool e4crypt_change_user_key(userid_t user_id, int serial, const char* token,
+                             const char* old_secret, const char* new_secret);
 
 bool e4crypt_unlock_user_key(userid_t user_id, int serial, const char* token, const char* secret);
 bool e4crypt_lock_user_key(userid_t user_id);