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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef ASM_X86_TWOFISH_H
   3 #define ASM_X86_TWOFISH_H
   4
   5 #include <linux/crypto.h>
   6 #include <crypto/twofish.h>
   7 #include <crypto/lrw.h>
   8 #include <crypto/b128ops.h>
   9
  10 struct twofish_lrw_ctx {
  11         struct lrw_table_ctx lrw_table;
  12         struct twofish_ctx twofish_ctx;
  13 };
  14
  15 struct twofish_xts_ctx {
  16         struct twofish_ctx tweak_ctx;
  17         struct twofish_ctx crypt_ctx;
  18 };
  19
  20 /* regular block cipher functions from twofish_x86_64 module */
  21 asmlinkage void twofish_enc_blk(struct twofish_ctx *ctx, u8 *dst,
  22                                 const u8 *src);
  23 asmlinkage void twofish_dec_blk(struct twofish_ctx *ctx, u8 *dst,
  24                                 const u8 *src);
  25
  26 /* 3-way parallel cipher functions */
  27 asmlinkage void __twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst,
  28                                        const u8 *src, bool xor);
  29 asmlinkage void twofish_dec_blk_3way(struct twofish_ctx *ctx, u8 *dst,
  30                                      const u8 *src);
  31
  32 /* helpers from twofish_x86_64-3way module */
  33 extern void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src);
  34 extern void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src,
  35                                 le128 *iv);
  36 extern void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src,
  37                                      le128 *iv);
  38
  39 extern int lrw_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
  40                               unsigned int keylen);
  41
  42 extern void lrw_twofish_exit_tfm(struct crypto_tfm *tfm);
  43
  44 extern int xts_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
  45                               unsigned int keylen);
  46
  47 #endif /* ASM_X86_TWOFISH_H */