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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CRYPTO_CAST5_H
#define _CRYPTO_CAST5_H
#include <linux/types.h>
#include <linux/crypto.h>
#include <crypto/cast_common.h>
#define CAST5_BLOCK_SIZE 8
#define CAST5_MIN_KEY_SIZE 5
#define CAST5_MAX_KEY_SIZE 16
struct cast5_ctx {
u32 Km[16];
u8 Kr[16];
int rr; /* rr ? rounds = 12 : rounds = 16; (rfc 2144) */
};
int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
#endif
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