Files
OpenCellular/include/sha256.h
Bill Richardson 104f811e67 cleanup: fix all the header guards
This unifies all the EC header files to use __CROS_EC_FILENAME_H
as the include guard. Well, except for test/ util/ and extra/
which use __TEST_ __UTIL_ and __EXTRA_ prefixes respectively.

BUG=chromium:496895
BRANCH=none
TEST=make buildall -j

Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Change-Id: Iea71b3a08bdec94a11239de810a2b2e152b15029
Reviewed-on: https://chromium-review.googlesource.com/278121
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2015-06-18 19:07:00 +00:00

30 lines
747 B
C

/* Copyright (c) 2012 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.
*/
/* SHA-256 functions */
#ifndef __CROS_EC_SHA256_H
#define __CROS_EC_SHA256_H
#include "common.h"
#define SHA256_DIGEST_SIZE 32
#define SHA256_BLOCK_SIZE 64
/* SHA256 context */
struct sha256_ctx {
uint32_t h[8];
uint32_t tot_len;
uint32_t len;
uint8_t block[2 * SHA256_BLOCK_SIZE];
uint8_t buf[SHA256_DIGEST_SIZE]; /* Used to store the final digest. */
};
void SHA256_init(struct sha256_ctx *ctx);
void SHA256_update(struct sha256_ctx *ctx, const uint8_t *data, uint32_t len);
uint8_t *SHA256_final(struct sha256_ctx *ctx);
#endif /* __CROS_EC_SHA256_H */