/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Common values for ARC4 Cipher Algorithm
 */

#ifndef _CIFS_MD4_H
#define _CIFS_MD4_H

#include <linux/types.h>

#define MD4_DIGEST_SIZE         16
#define MD4_HMAC_BLOCK_SIZE     64
#define MD4_BLOCK_WORDS         16
#define MD4_HASH_WORDS          4

struct md4_ctx {
        u32 hash[MD4_HASH_WORDS];
        u32 block[MD4_BLOCK_WORDS];
        u64 byte_count;
};


int cifs_md4_init(struct md4_ctx *mctx);
int cifs_md4_update(struct md4_ctx *mctx, const u8 *data, unsigned int len);
int cifs_md4_final(struct md4_ctx *mctx, u8 *out);

#endif /* _CIFS_MD4_H */