xref: /kernel/linux/linux-6.6/fs/smb/common/md4.h (revision 62306a36)
1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Common values for ARC4 Cipher Algorithm
4 */
5
6#ifndef _CIFS_MD4_H
7#define _CIFS_MD4_H
8
9#include <linux/types.h>
10
11#define MD4_DIGEST_SIZE		16
12#define MD4_HMAC_BLOCK_SIZE	64
13#define MD4_BLOCK_WORDS		16
14#define MD4_HASH_WORDS		4
15
16struct md4_ctx {
17	u32 hash[MD4_HASH_WORDS];
18	u32 block[MD4_BLOCK_WORDS];
19	u64 byte_count;
20};
21
22
23int cifs_md4_init(struct md4_ctx *mctx);
24int cifs_md4_update(struct md4_ctx *mctx, const u8 *data, unsigned int len);
25int cifs_md4_final(struct md4_ctx *mctx, u8 *out);
26
27#endif /* _CIFS_MD4_H */
28