1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _CRYPTO_CAST6_H
 3#define _CRYPTO_CAST6_H
 4
 5#include <linux/types.h>
 6#include <linux/crypto.h>
 7#include <crypto/cast_common.h>
 8
 9#define CAST6_BLOCK_SIZE 16
10#define CAST6_MIN_KEY_SIZE 16
11#define CAST6_MAX_KEY_SIZE 32
12
13struct cast6_ctx {
14	u32 Km[12][4];
15	u8 Kr[12][4];
16};
17
18int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key, unsigned int keylen);
19int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
20
21void __cast6_encrypt(const void *ctx, u8 *dst, const u8 *src);
22void __cast6_decrypt(const void *ctx, u8 *dst, const u8 *src);
23
24#endif