include/crypto/cast5.h

   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
  12 struct cast5_ctx {
  13         u32 Km[16];
  14         u8 Kr[16];
  15         int rr; /* rr ? rounds = 12 : rounds = 16; (rfc 2144) */
  16 };
  17
  18 int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
  19
  20 void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
  21 void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
  22
  23 #endif