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/* Copyright (c) 2013 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.
*
* Access to portions of the GBB using the region API.
*/
#ifndef VBOOT_REFERENCE_GBB_ACCESS_H_
#define VBOOT_REFERENCE_GBB_ACCESS_H_
#include "vboot_api.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct vb2_context;
struct VbPublicKey;
/**
* Read the root key from the GBB
*
* @param ctx Vboot context
* @param keyp Returns a pointer to the key. The caller must call
* free() on the key when finished with it.
* @return VBERROR_... error, VBERROR_SUCCESS on success,
*/
VbError_t VbGbbReadRootKey(struct vb2_context *ctx,
struct VbPublicKey **keyp);
/**
* Read the recovery key from the GBB
*
* @param ctx Vboot context
* @param keyp Returns a pointer to the key. The caller must call
* free() on the key when finished with it.
* @return VBERROR_... error, VBERROR_SUCCESS on success,
*/
VbError_t VbGbbReadRecoveryKey(struct vb2_context *ctx,
struct VbPublicKey **keyp);
/**
* Read the hardware ID from the GBB
*
* @param ctx Vboot context
* @param hwid Place to put HWID, which will be null-terminated
* @param max_size Maximum size of HWID including terminated null
* character (suggest 256). If this size is too small
* then VBERROR_INVALID_PARAMETER is returned.
* @return VBERROR_... error, VBERROR_SUCCESS on success,
*/
VbError_t VbGbbReadHWID(struct vb2_context *ctx, char *hwid, uint32_t max_size);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
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