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/* Copyright 2020 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 __CROS_EC_SHA256_CHIP_H
#define __CROS_EC_SHA256_CHIP_H
#include "common.h"
#define NPCX_SHA256_HANDLE_SIZE 212
struct sha256_ctx {
/* the context handle required for SHA256 API */
uint8_t handle[NPCX_SHA256_HANDLE_SIZE];
/*
* This is used to buffer:
* 1. the result (digest) of the SHA256 computation.
* 2. the 1st block input data (the key padding) for hmac_SHA256_step.
*/
uint8_t buf[SHA256_BLOCK_SIZE];
} __aligned(4);
void SHA256_abort(struct sha256_ctx *ctx);
#endif /* __CROS_EC_SHA256_CHIP_H */
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