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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASM_X86_TWOFISH_H
#define ASM_X86_TWOFISH_H
#include <linux/crypto.h>
#include <crypto/twofish.h>
#include <crypto/lrw.h>
#include <crypto/b128ops.h>
struct twofish_lrw_ctx {
struct lrw_table_ctx lrw_table;
struct twofish_ctx twofish_ctx;
};
struct twofish_xts_ctx {
struct twofish_ctx tweak_ctx;
struct twofish_ctx crypt_ctx;
};
/* regular block cipher functions from twofish_x86_64 module */
asmlinkage void twofish_enc_blk(struct twofish_ctx *ctx, u8 *dst,
const u8 *src);
asmlinkage void twofish_dec_blk(struct twofish_ctx *ctx, u8 *dst,
const u8 *src);
/* 3-way parallel cipher functions */
asmlinkage void __twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst,
const u8 *src, bool xor);
asmlinkage void twofish_dec_blk_3way(struct twofish_ctx *ctx, u8 *dst,
const u8 *src);
/* helpers from twofish_x86_64-3way module */
extern void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src);
extern void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src,
le128 *iv);
extern void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src,
le128 *iv);
extern int lrw_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen);
extern void lrw_twofish_exit_tfm(struct crypto_tfm *tfm);
extern int xts_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen);
#endif /* ASM_X86_TWOFISH_H */
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