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/* Copyright 2019 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* GBB accessor functions.
*/
#ifndef VBOOT_REFERENCE_2GBB_H_
#define VBOOT_REFERENCE_2GBB_H_
#include "2common.h"
struct vb2_packed_key;
struct vb2_workbuf;
/**
* Read the root key from the GBB, and store it onto the given workbuf.
*
* @param ctx Vboot context.
* @param keyp Returns a pointer to the key. The caller may discard
* workbuf state if it wants to free the key.
* @param size If pointer is non-NULL, returns the total size of key,
* including data.
* @param wb Workbuf for data storage.
* @return VB2_SUCCESS, or error code on error.
*/
vb2_error_t vb2_gbb_read_root_key(struct vb2_context *ctx,
struct vb2_packed_key **keyp, uint32_t *size,
struct vb2_workbuf *wb);
/**
* Read the recovery key from the GBB, and store it onto the given workbuf.
*
* @param ctx Vboot context.
* @param keyp Returns a pointer to the key. The caller may discard
* workbuf state if it wants to free the key.
* @param size If pointer is non-NULL, returns the total size of key,
* including data.
* @param wb Workbuf for data storage.
* @return VB2_SUCCESS, or error code on error.
*/
vb2_error_t vb2_gbb_read_recovery_key(struct vb2_context *ctx,
struct vb2_packed_key **keyp,
uint32_t *size, struct vb2_workbuf *wb);
#endif /* VBOOT_REFERENCE_2GBB_H_ */
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