linux/include/crypto/cast5.h
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   1#ifndef _CRYPTO_CAST5_H
   2#define _CRYPTO_CAST5_H
   3
   4#include <linux/types.h>
   5#include <linux/crypto.h>
   6#include <crypto/cast_common.h>
   7
   8#define CAST5_BLOCK_SIZE 8
   9#define CAST5_MIN_KEY_SIZE 5
  10#define CAST5_MAX_KEY_SIZE 16
  11
  12struct cast5_ctx {
  13        u32 Km[16];
  14        u8 Kr[16];
  15        int rr; /* rr ? rounds = 12 : rounds = 16; (rfc 2144) */
  16};
  17
  18int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
  19
  20void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
  21void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
  22
  23#endif
  24
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