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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2014 Red Hat Inc.
*
* Author: Vivek Goyal <vgoyal@redhat.com>
*/
#ifndef SHA256_H
#define SHA256_H
#include <linux/types.h>
#include <crypto/sha.h>
/*
* Stand-alone implementation of the SHA256 algorithm. It is designed to
* have as little dependencies as possible so it can be used in the
* kexec_file purgatory. In other cases you should use the implementation in
* crypto/.
*
* For details see lib/sha256.c
*/
extern int sha256_init(struct sha256_state *sctx);
extern int sha256_update(struct sha256_state *sctx, const u8 *input,
unsigned int length);
extern int sha256_final(struct sha256_state *sctx, u8 *hash);
#endif /* SHA256_H */
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