LXR linux/arch/x86/include/asm/crypto/twofish.h

   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