1 files changed, 30 insertions, 0 deletions
diff --git a/libfec/avb_utils.h b/libfec/avb_utils.h
new file mode 100644
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+++ b/libfec/avb_utils.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <vector>
+
+struct fec_handle;
+
+// Checks if there is a valid AVB footer in the end of the image. If so, parses
+// the contents of vbmeta struct from the given AVB footer. Returns 0 on
+// success.
+int parse_vbmeta_from_footer(fec_handle *f, std::vector<uint8_t> *vbmeta);
+
+// Parses the AVB vbmeta for the information of hashtree and fec data.
+int parse_avb_image(fec_handle *f, const std::vector<uint8_t> &vbmeta);