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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Johannes Goetzfried270b0c62012-07-11 19:37:04 +02002#ifndef _CRYPTO_CAST5_H
3#define _CRYPTO_CAST5_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 Goetzfried270b0c62012-07-11 19:37:04 +02008
9#define CAST5_BLOCK_SIZE 8
10#define CAST5_MIN_KEY_SIZE 5
11#define CAST5_MAX_KEY_SIZE 16
12
13struct cast5_ctx {
14 u32 Km[16];
15 u8 Kr[16];
16 int rr; /* rr ? rounds = 12 : rounds = 16; (rfc 2144) */
17};
18
19int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
20
21void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
22void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
23
Johannes Goetzfried270b0c62012-07-11 19:37:04 +020024#endif