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104f811e67
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>
37 lines
833 B
C
37 lines
833 B
C
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* SHA-1 functions */
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#ifndef __CROS_EC_SHA1_H
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#define __CROS_EC_SHA1_H
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#include "common.h"
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#ifdef HOST_TOOLS_BUILD
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#include <string.h>
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#define DIV_ROUND_UP(x, y) (((x) + ((y) - 1)) / (y))
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#else
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#include "util.h"
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#endif
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#define SHA1_DIGEST_SIZE 20
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#define SHA1_BLOCK_SIZE 64
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/* SHA-1 context */
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struct sha1_ctx {
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uint32_t count;
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uint32_t state[5];
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union {
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uint8_t b[SHA1_BLOCK_SIZE];
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uint32_t w[DIV_ROUND_UP(SHA1_BLOCK_SIZE, sizeof(uint32_t))];
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} buf;
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};
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void sha1_init(struct sha1_ctx *ctx);
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void sha1_update(struct sha1_ctx *ctx, const uint8_t *data, uint32_t len);
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uint8_t *sha1_final(struct sha1_ctx *ctx);
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#endif /* __CROS_EC_SHA1_H */
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