1#ifndef _CRYPTO_TWOFISH_H 2#define _CRYPTO_TWOFISH_H 3 4#include <linux/types.h> 5 6#define TF_MIN_KEY_SIZE 16 7#define TF_MAX_KEY_SIZE 32 8#define TF_BLOCK_SIZE 16 9 10struct crypto_tfm; 11 12/* Structure for an expanded Twofish key. s contains the key-dependent 13 * S-boxes composed with the MDS matrix; w contains the eight "whitening" 14 * subkeys, K[0] through K[7]. k holds the remaining, "round" subkeys. Note 15 * that k[i] corresponds to what the Twofish paper calls K[i+8]. */ 16struct twofish_ctx { 17 u32 s[4][256], w[8], k[32]; 18}; 19 20int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len); 21 22#endif 23