include/crypto/cast6.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _CRYPTO_CAST6_H
   3 #define _CRYPTO_CAST6_H
   4
   5 #include <linux/types.h>
   6 #include <linux/crypto.h>
   7 #include <crypto/cast_common.h>
   8
   9 #define CAST6_BLOCK_SIZE 16
  10 #define CAST6_MIN_KEY_SIZE 16
  11 #define CAST6_MAX_KEY_SIZE 32
  12
  13 struct cast6_ctx {
  14         u32 Km[12][4];
  15         u8 Kr[12][4];
  16 };
  17
  18 int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key,
  19                    unsigned int keylen, u32 *flags);
  20 int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
  21
  22 void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
  23 void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
  24
  25 #endif