1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * SM4 common functions for Crypto Extensions 4 * Copyright (C) 2022 Tianjia Zhang <tianjia.zhang@linux.alibaba.com> 5 */ 6 7 void sm4_ce_expand_key(const u8 *key, u32 *rkey_enc, u32 *rkey_dec, 8 const u32 *fk, const u32 *ck); 9 10 void sm4_ce_crypt_block(const u32 *rkey, u8 *dst, const u8 *src); 11 12 void sm4_ce_cbc_enc(const u32 *rkey_enc, u8 *dst, const u8 *src, 13 u8 *iv, unsigned int nblocks); 14 15 void sm4_ce_cfb_enc(const u32 *rkey_enc, u8 *dst, const u8 *src, 16 u8 *iv, unsigned int nblocks); 17