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In the accelerated implementation of the SM4 algorithm using the Crypto Extension instructions, there are some functions that can be reused in the upcoming accelerated implementation of the GCM/CCM mode, and the CBC/CFB encryption is reused in the optimized implementation of SVESM4. Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
16 lines
553 B
C
16 lines
553 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* SM4 common functions for Crypto Extensions
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* Copyright (C) 2022 Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
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*/
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void sm4_ce_expand_key(const u8 *key, u32 *rkey_enc, u32 *rkey_dec,
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const u32 *fk, const u32 *ck);
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void sm4_ce_crypt_block(const u32 *rkey, u8 *dst, const u8 *src);
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void sm4_ce_cbc_enc(const u32 *rkey_enc, u8 *dst, const u8 *src,
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u8 *iv, unsigned int nblocks);
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void sm4_ce_cfb_enc(const u32 *rkey_enc, u8 *dst, const u8 *src,
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u8 *iv, unsigned int nblocks);
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