25 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _CRYPTO_CAST6_H3#define _CRYPTO_CAST6_H4 5#include <linux/types.h>6#include <linux/crypto.h>7#include <crypto/cast_common.h>8 9#define CAST6_BLOCK_SIZE 1610#define CAST6_MIN_KEY_SIZE 1611#define CAST6_MAX_KEY_SIZE 3212 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#endif25