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#ifndef _CRYPTO_TWOFISH_H

#define _CRYPTO_TWOFISH_H

#include <linux/types.h>

#define TF_MIN_KEY_SIZE 16

#define TF_MAX_KEY_SIZE 32

#define TF_BLOCK_SIZE 16

struct crypto_tfm;

/* Structure for an expanded Twofish key.  s contains the key-dependent

 * S-boxes composed with the MDS matrix; w contains the eight "whitening"

 * subkeys, K[0] through K[7].  k holds the remaining, "round" subkeys.  Note

 * that k[i] corresponds to what the Twofish paper calls K[i+8]. */

struct twofish_ctx {

        u32 s[4][256], w[8], k[32];

};

int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len);

#endif