openssl/providers/implementations/ciphers/cipher_sm4_hw_rv64i.inc
Jerry Shih 3645eb0be2 Update for Zvkb extension.
c8ddeb7e64/doc/vector/riscv-crypto-vector-zvkb.adoc
Create `RISCV_HAS_ZVKB()` macro.
Use zvkb for SM4 instead of zvbb.
Use zvkb for ghash instead of zvbb.
We could just use the zvbb's subset `zvkb` for flexibility.

Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com>

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21923)
2023-10-26 15:55:50 +01:00

53 lines
2.0 KiB
C++

/*
* Copyright 2023 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
*/
/*-
* RV64 ZVKSED support for AES modes ecb, cbc, ofb, cfb, ctr.
* This file is included by cipher_sm4_hw.c
*/
#define cipher_hw_rv64i_zvksed_sm4_cbc ossl_cipher_hw_generic_cbc
#define cipher_hw_rv64i_zvksed_sm4_ecb ossl_cipher_hw_generic_ecb
#define cipher_hw_rv64i_zvksed_sm4_ofb128 ossl_cipher_hw_generic_ofb128
#define cipher_hw_rv64i_zvksed_sm4_cfb128 ossl_cipher_hw_generic_cfb128
#define cipher_hw_rv64i_zvksed_sm4_ctr ossl_cipher_hw_generic_ctr
static int cipher_hw_rv64i_zvksed_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;
ctx->ks = ks;
if (ctx->enc
|| (ctx->mode != EVP_CIPH_ECB_MODE
&& ctx->mode != EVP_CIPH_CBC_MODE)) {
rv64i_zvksed_sm4_set_encrypt_key(key, ks);
ctx->block = (block128_f) rv64i_zvksed_sm4_encrypt;
ctx->stream.cbc = NULL;
} else {
rv64i_zvksed_sm4_set_decrypt_key(key, ks);
ctx->block = (block128_f) rv64i_zvksed_sm4_decrypt;
ctx->stream.cbc = NULL;
}
return 1;
}
#define PROV_CIPHER_HW_declare(mode) \
static const PROV_CIPHER_HW rv64i_zvksed_sm4_##mode = { \
cipher_hw_rv64i_zvksed_sm4_initkey, \
cipher_hw_rv64i_zvksed_sm4_##mode, \
cipher_hw_sm4_copyctx \
};
#define PROV_CIPHER_HW_select(mode) \
if (RISCV_HAS_ZVKB_AND_ZVKSED() && riscv_vlen() >= 128) \
return &rv64i_zvksed_sm4_##mode;