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
   9 struct twofish_lrw_ctx {
  10         struct lrw_table_ctx lrw_table;
  11         struct twofish_ctx twofish_ctx;
  12 };
  13
  14 struct 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 */
  20 asmlinkage void twofish_enc_blk(struct twofish_ctx *ctx, u8 *dst,
  21                                 const u8 *src);
  22 asmlinkage void twofish_dec_blk(struct twofish_ctx *ctx, u8 *dst,
  23                                 const u8 *src);
  24
  25 /* 3-way parallel cipher functions */
  26 asmlinkage void __twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst,
  27                                        const u8 *src, bool xor);
  28 asmlinkage void twofish_dec_blk_3way(struct twofish_ctx *ctx, u8 *dst,
  29                                      const u8 *src);
  30
  31 /* helpers from twofish_x86_64-3way module */
  32 extern void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src);
  33 extern void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src,
  34                                 le128 *iv);
  35 extern void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src,
  36                                      le128 *iv);
  37
  38 extern int lrw_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
  39                               unsigned int keylen);
  40
  41 extern void lrw_twofish_exit_tfm(struct crypto_tfm *tfm);
  42
  43 extern int xts_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
  44                               unsigned int keylen);
  45
  46 #endif /* ASM_X86_TWOFISH_H */