linux/include/crypto/cast6.h
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   1#ifndef _CRYPTO_CAST6_H
   2#define _CRYPTO_CAST6_H
   3
   4#include <linux/types.h>
   5#include <linux/crypto.h>
   6
   7#define CAST6_BLOCK_SIZE 16
   8#define CAST6_MIN_KEY_SIZE 16
   9#define CAST6_MAX_KEY_SIZE 32
  10
  11struct cast6_ctx {
  12        u32 Km[12][4];
  13        u8 Kr[12][4];
  14};
  15
  16int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key,
  17                   unsigned int keylen, u32 *flags);
  18int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
  19
  20void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
  21void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
  22
  23extern const u32 cast6_s1[256];
  24extern const u32 cast6_s2[256];
  25extern const u32 cast6_s3[256];
  26extern const u32 cast6_s4[256];
  27
  28#endif
  29
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