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/* Copyright 2016 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.
*/
#ifndef VBOOT_REFERENCE_FIRMWARE_BDB_SECRETS_H_
#define VBOOT_REFERENCE_FIRMWARE_BDB_SECRETS_H_
#define BDB_SECRET_SIZE 32
/*
* Secrets passed to SP-RW by SP-RO. How it's passed depends on chips.
* These are hash-extended by SP-RW.
*/
struct bdb_ro_secrets {
uint8_t nvm_wp[BDB_SECRET_SIZE];
uint8_t nvm_rw[BDB_SECRET_SIZE];
uint8_t bdb[BDB_SECRET_SIZE];
uint8_t boot_verified[BDB_SECRET_SIZE];
uint8_t boot_path[BDB_SECRET_SIZE];
};
/*
* Additional secrets SP-RW derives from RO secrets. This can be independently
* updated as more secrets are needed.
*/
struct bdb_rw_secrets {
uint8_t buc[BDB_SECRET_SIZE];
};
#endif
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