/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
* Common values for the SM4 algorithm
|
* Copyright (C) 2018 ARM Limited or its affiliates.
|
*/
|
|
#ifndef _CRYPTO_SM4_H
|
#define _CRYPTO_SM4_H
|
|
#include <linux/types.h>
|
#include <linux/crypto.h>
|
|
#define SM4_KEY_SIZE 16
|
#define SM4_BLOCK_SIZE 16
|
#define SM4_RKEY_WORDS 32
|
|
struct crypto_sm4_ctx {
|
u32 rkey_enc[SM4_RKEY_WORDS];
|
u32 rkey_dec[SM4_RKEY_WORDS];
|
};
|
|
int crypto_sm4_set_key(struct crypto_tfm *tfm, const u8 *in_key,
|
unsigned int key_len);
|
int crypto_sm4_expand_key(struct crypto_sm4_ctx *ctx, const u8 *in_key,
|
unsigned int key_len);
|
|
void crypto_sm4_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);
|
void crypto_sm4_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);
|
|
#endif
|
