1#ifndef ASM_X86_TWOFISH_H
2#define ASM_X86_TWOFISH_H
3
4#include <linux/crypto.h>
5#include <crypto/twofish.h>
6#include <crypto/lrw.h>
7#include <crypto/b128ops.h>
8
9struct twofish_lrw_ctx {
10	struct lrw_table_ctx lrw_table;
11	struct twofish_ctx twofish_ctx;
12};
13
14struct twofish_xts_ctx {
15	struct twofish_ctx tweak_ctx;
16	struct twofish_ctx crypt_ctx;
17};
18
19/* regular block cipher functions from twofish_x86_64 module */
20asmlinkage void twofish_enc_blk(struct twofish_ctx *ctx, u8 *dst,
21				const u8 *src);
22asmlinkage void twofish_dec_blk(struct twofish_ctx *ctx, u8 *dst,
23				const u8 *src);
24
25/* 3-way parallel cipher functions */
26asmlinkage void __twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst,
27				       const u8 *src, bool xor);
28asmlinkage void twofish_dec_blk_3way(struct twofish_ctx *ctx, u8 *dst,
29				     const u8 *src);
30
31/* helpers from twofish_x86_64-3way module */
32extern void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src);
33extern void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src,
34				le128 *iv);
35extern void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src,
36				     le128 *iv);
37
38extern int lrw_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
39			      unsigned int keylen);
40
41extern void lrw_twofish_exit_tfm(struct crypto_tfm *tfm);
42
43extern int xts_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
44			      unsigned int keylen);
45
46#endif /* ASM_X86_TWOFISH_H */
47