fsverity_init: refactor into library + binary
This is needed to import some of the functionality into first stage
init.
Bug: 199914227
Test: build
Change-Id: I0a78f62b1957404d7fe78c79151a1620834ea3a1
diff --git a/fsverity_init/include/fsverity_init.h b/fsverity_init/include/fsverity_init.h
new file mode 100644
index 0000000..c3bc93b
--- /dev/null
+++ b/fsverity_init/include/fsverity_init.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <mini_keyctl_utils.h>
+
+bool LoadKeyFromStdin(key_serial_t keyring_id, const char* keyname);
+void LoadKeyFromFile(key_serial_t keyring_id, const char* keyname, const std::string& path);
+void LoadKeyFromVerifiedPartitions(key_serial_t keyring_id);