18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef _CRYPTO_CAST6_H 38c2ecf20Sopenharmony_ci#define _CRYPTO_CAST6_H 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#include <linux/types.h> 68c2ecf20Sopenharmony_ci#include <linux/crypto.h> 78c2ecf20Sopenharmony_ci#include <crypto/cast_common.h> 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#define CAST6_BLOCK_SIZE 16 108c2ecf20Sopenharmony_ci#define CAST6_MIN_KEY_SIZE 16 118c2ecf20Sopenharmony_ci#define CAST6_MAX_KEY_SIZE 32 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_cistruct cast6_ctx { 148c2ecf20Sopenharmony_ci u32 Km[12][4]; 158c2ecf20Sopenharmony_ci u8 Kr[12][4]; 168c2ecf20Sopenharmony_ci}; 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ciint __cast6_setkey(struct cast6_ctx *ctx, const u8 *key, unsigned int keylen); 198c2ecf20Sopenharmony_ciint cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_civoid __cast6_encrypt(const void *ctx, u8 *dst, const u8 *src); 228c2ecf20Sopenharmony_civoid __cast6_decrypt(const void *ctx, u8 *dst, const u8 *src); 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci#endif 25