blob: f6b307a58554ea1f1d064c826eb946beddd592be [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
#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 twofish_ctx *ctx, const u8 *key,
unsigned int key_len);
int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len);