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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Johannes Goetzfried2b49b902012-07-11 19:38:12 +02002#ifndef _CRYPTO_CAST6_H
3#define _CRYPTO_CAST6_H
4
5#include <linux/types.h>
6#include <linux/crypto.h>
Jussi Kivilinna044ab522012-11-13 11:43:14 +02007#include <crypto/cast_common.h>
Johannes Goetzfried2b49b902012-07-11 19:38:12 +02008
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,
19 unsigned int keylen, u32 *flags);
20int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
21
22void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
23void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
24
Johannes Goetzfried2b49b902012-07-11 19:38:12 +020025#endif