Cregit: Linux 5.6: cast6.h

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Johannes Goetzfried	117	93.60%	1	25.00%
Kees Cook	4	3.20%	1	25.00%
Jussi Kivilinna	3	2.40%	1	25.00%
Greg Kroah-Hartman	1	0.80%	1	25.00%
Total	125		4

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CRYPTO_CAST6_H
#define _CRYPTO_CAST6_H

#include <linux/types.h>
#include <linux/crypto.h>
#include <crypto/cast_common.h>

#define CAST6_BLOCK_SIZE 16
#define CAST6_MIN_KEY_SIZE 16
#define CAST6_MAX_KEY_SIZE 32

struct cast6_ctx {
	u32 Km[12][4];
	u8 Kr[12][4];
};

int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key, unsigned int keylen);
int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);

void __cast6_encrypt(const void *ctx, u8 *dst, const u8 *src);
void __cast6_decrypt(const void *ctx, u8 *dst, const u8 *src);

#endif