| Server IP : 13.213.54.232 / Your IP : 216.73.216.72 Web Server : Apache/2.4.52 (Ubuntu) System : Linux ip-172-31-17-110 6.8.0-1029-aws #31~22.04.1-Ubuntu SMP Thu Apr 24 21:16:18 UTC 2025 x86_64 User : www-data ( 33) PHP Version : 7.1.33-67+ubuntu22.04.1+deb.sury.org+1 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /lib/modules/6.8.0-1029-aws/build/include/crypto/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Common values for the SM4 algorithm
* Copyright (C) 2018 ARM Limited or its affiliates.
* Copyright (c) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
*/
#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 sm4_ctx {
u32 rkey_enc[SM4_RKEY_WORDS];
u32 rkey_dec[SM4_RKEY_WORDS];
};
extern const u32 crypto_sm4_fk[];
extern const u32 crypto_sm4_ck[];
extern const u8 crypto_sm4_sbox[];
/**
* sm4_expandkey - Expands the SM4 key as described in GB/T 32907-2016
* @ctx: The location where the computed key will be stored.
* @in_key: The supplied key.
* @key_len: The length of the supplied key.
*
* Returns 0 on success. The function fails only if an invalid key size (or
* pointer) is supplied.
*/
int sm4_expandkey(struct sm4_ctx *ctx, const u8 *in_key,
unsigned int key_len);
/**
* sm4_crypt_block - Encrypt or decrypt a single SM4 block
* @rk: The rkey_enc for encrypt or rkey_dec for decrypt
* @out: Buffer to store output data
* @in: Buffer containing the input data
*/
void sm4_crypt_block(const u32 *rk, u8 *out, const u8 *in);
#endif