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kernel/linux-rt-4.4.41/arch/x86/include/asm/crypto/twofish.h 1.39 KB
5113f6f70   김현기   kernel add
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  #ifndef ASM_X86_TWOFISH_H
  #define ASM_X86_TWOFISH_H
  
  #include <linux/crypto.h>
  #include <crypto/twofish.h>
  #include <crypto/lrw.h>
  #include <crypto/b128ops.h>
  
  struct twofish_lrw_ctx {
  	struct lrw_table_ctx lrw_table;
  	struct twofish_ctx twofish_ctx;
  };
  
  struct twofish_xts_ctx {
  	struct twofish_ctx tweak_ctx;
  	struct twofish_ctx crypt_ctx;
  };
  
  /* regular block cipher functions from twofish_x86_64 module */
  asmlinkage void twofish_enc_blk(struct twofish_ctx *ctx, u8 *dst,
  				const u8 *src);
  asmlinkage void twofish_dec_blk(struct twofish_ctx *ctx, u8 *dst,
  				const u8 *src);
  
  /* 3-way parallel cipher functions */
  asmlinkage void __twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst,
  				       const u8 *src, bool xor);
  asmlinkage void twofish_dec_blk_3way(struct twofish_ctx *ctx, u8 *dst,
  				     const u8 *src);
  
  /* helpers from twofish_x86_64-3way module */
  extern void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src);
  extern void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src,
  				le128 *iv);
  extern void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src,
  				     le128 *iv);
  
  extern int lrw_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
  			      unsigned int keylen);
  
  extern void lrw_twofish_exit_tfm(struct crypto_tfm *tfm);
  
  extern int xts_twofish_setkey(struct crypto_tfm *tfm, const u8 *key,
  			      unsigned int keylen);
  
  #endif /* ASM_X86_TWOFISH_H */