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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/crypto/sm4.h
1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Common values for the SM4 algorithm
5 * Copyright (C) 2018 ARM Limited or its affiliates.
11 #include <linux/types.h>
12 #include <linux/crypto.h>
14 #define SM4_KEY_SIZE 16
15 #define SM4_BLOCK_SIZE 16
16 #define SM4_RKEY_WORDS 32
18 struct crypto_sm4_ctx
{
19 u32 rkey_enc
[SM4_RKEY_WORDS
];
20 u32 rkey_dec
[SM4_RKEY_WORDS
];
23 int crypto_sm4_set_key(struct crypto_tfm
*tfm
, const u8
*in_key
,
24 unsigned int key_len
);
25 int crypto_sm4_expand_key(struct crypto_sm4_ctx
*ctx
, const u8
*in_key
,
26 unsigned int key_len
);
28 void crypto_sm4_encrypt(struct crypto_tfm
*tfm
, u8
*out
, const u8
*in
);
29 void crypto_sm4_decrypt(struct crypto_tfm
*tfm
, u8
*out
, const u8
*in
);