| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _CRYPTO_TWOFISH_H |
| #define _CRYPTO_TWOFISH_H |
| #define TF_MIN_KEY_SIZE 16 |
| #define TF_MAX_KEY_SIZE 32 |
| /* 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]. */ |
| u32 s[4][256], w[8], k[32]; |
| int __twofish_setkey(struct twofish_ctx *ctx, const u8 *key, |
| int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len); |