/* SPDX-License-Identifier: GPL-2.0 */#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 twofish_ctx *ctx, const u8 *key,		     unsigned int key_len);int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len); #endif