openssl/providers/default/ciphers/cipher_sm4_hw.c
Shane Lontis 105dde2528 Add sm4 ciphers to default provider
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9935)
2019-09-19 15:38:51 +10:00

44 lines
1.6 KiB
C

/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "cipher_sm4.h"
static int cipher_hw_sm4_initkey(PROV_CIPHER_CTX *ctx,
const unsigned char *key, size_t keylen)
{
PROV_SM4_CTX *sctx = (PROV_SM4_CTX *)ctx;
SM4_KEY *ks = &sctx->ks.ks;
SM4_set_key(key, ks);
ctx->ks = ks;
if (ctx->enc
|| (ctx->mode != EVP_CIPH_ECB_MODE
&& ctx->mode != EVP_CIPH_CBC_MODE))
ctx->block = (block128_f)SM4_encrypt;
else
ctx->block = (block128_f)SM4_decrypt;
return 1;
}
# define PROV_CIPHER_HW_sm4_mode(mode) \
static const PROV_CIPHER_HW sm4_##mode = { \
cipher_hw_sm4_initkey, \
cipher_hw_chunked_##mode \
}; \
const PROV_CIPHER_HW *PROV_CIPHER_HW_sm4_##mode(size_t keybits) \
{ \
return &sm4_##mode; \
}
PROV_CIPHER_HW_sm4_mode(cbc)
PROV_CIPHER_HW_sm4_mode(ecb)
PROV_CIPHER_HW_sm4_mode(ofb128)
PROV_CIPHER_HW_sm4_mode(cfb128)
PROV_CIPHER_HW_sm4_mode(ctr)