arch/x86/include/asm/serpent.h

   1 #ifndef ASM_X86_SERPENT_H
   2 #define ASM_X86_SERPENT_H
   3
   4 #include <linux/crypto.h>
   5 #include <crypto/serpent.h>
   6
   7 #ifdef CONFIG_X86_32
   8
   9 #define SERPENT_PARALLEL_BLOCKS 4
  10
  11 asmlinkage void __serpent_enc_blk_4way(struct serpent_ctx *ctx, u8 *dst,
  12                                        const u8 *src, bool xor);
  13 asmlinkage void serpent_dec_blk_4way(struct serpent_ctx *ctx, u8 *dst,
  14                                      const u8 *src);
  15
  16 static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst,
  17                                         const u8 *src)
  18 {
  19         __serpent_enc_blk_4way(ctx, dst, src, false);
  20 }
  21
  22 static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst,
  23                                             const u8 *src)
  24 {
  25         __serpent_enc_blk_4way(ctx, dst, src, true);
  26 }
  27
  28 static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst,
  29                                         const u8 *src)
  30 {
  31         serpent_dec_blk_4way(ctx, dst, src);
  32 }
  33
  34 #else
  35
  36 #define SERPENT_PARALLEL_BLOCKS 8
  37
  38 asmlinkage void __serpent_enc_blk_8way(struct serpent_ctx *ctx, u8 *dst,
  39                                        const u8 *src, bool xor);
  40 asmlinkage void serpent_dec_blk_8way(struct serpent_ctx *ctx, u8 *dst,
  41                                      const u8 *src);
  42
  43 static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst,
  44                                    const u8 *src)
  45 {
  46         __serpent_enc_blk_8way(ctx, dst, src, false);
  47 }
  48
  49 static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst,
  50                                        const u8 *src)
  51 {
  52         __serpent_enc_blk_8way(ctx, dst, src, true);
  53 }
  54
  55 static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst,
  56                                    const u8 *src)
  57 {
  58         serpent_dec_blk_8way(ctx, dst, src);
  59 }
  60
  61 #endif
  62
  63 #endif