Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _CRYPTO_TWOFISH_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _CRYPTO_TWOFISH_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define TF_MIN_KEY_SIZE 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define TF_MAX_KEY_SIZE 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define TF_BLOCK_SIZE 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) struct crypto_tfm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /* Structure for an expanded Twofish key.  s contains the key-dependent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * S-boxes composed with the MDS matrix; w contains the eight "whitening"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  * subkeys, K[0] through K[7].	k holds the remaining, "round" subkeys.  Note
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * that k[i] corresponds to what the Twofish paper calls K[i+8]. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct twofish_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	u32 s[4][256], w[8], k[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) int __twofish_setkey(struct twofish_ctx *ctx, const u8 *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		     unsigned int key_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #endif