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
25

source code of linux/include/crypto/cast6.h