[mirror_ubuntu-jammy-kernel.git] / include / linux / sha256.h

/*
 *  Copyright (C) 2014 Red Hat Inc.
 *
 *  Author: Vivek Goyal <vgoyal@redhat.com>
 *
 * This source code is licensed under the GNU General Public License,
 * Version 2.  See the file COPYING for more details.
 */

#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 */
Commit	Line	Data
daeba064 VG	1	/*
	2	* Copyright (C) 2014 Red Hat Inc.
	3	*
	4	* Author: Vivek Goyal <vgoyal@redhat.com>
	5	*
	6	* This source code is licensed under the GNU General Public License,
	7	* Version 2. See the file COPYING for more details.
	8	*/
	9
	10	#ifndef SHA256_H
	11	#define SHA256_H
	12
daeba064 VG	13	#include <linux/types.h>
	14	#include <crypto/sha.h>
	15
df6f2801 PR	16	/*
	17	* Stand-alone implementation of the SHA256 algorithm. It is designed to
	18	* have as little dependencies as possible so it can be used in the
	19	* kexec_file purgatory. In other cases you should use the implementation in
	20	* crypto/.
	21	*
	22	* For details see lib/sha256.c
	23	*/
	24
daeba064 VG	25	extern int sha256_init(struct sha256_state *sctx);
daeba064 VG	26	extern int sha256_update(struct sha256_state sctx, const u8 input,
df6f2801	27	unsigned int length);
daeba064 VG	28	extern int sha256_final(struct sha256_state sctx, u8 hash);
	29
	30	#endif /* SHA256_H */