#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 |