mirror of
https://github.com/openssl/openssl.git
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60 lines
2.3 KiB
C++
60 lines
2.3 KiB
C++
/*
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* Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*-
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* RISC-V 64 ZKND ZKNE support for AES modes ecb, cbc, ofb, cfb, ctr.
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* This file is included by cipher_aes_hw.c
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*/
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#define cipher_hw_rv64i_zknd_zkne_cbc ossl_cipher_hw_generic_cbc
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#define cipher_hw_rv64i_zknd_zkne_ecb ossl_cipher_hw_generic_ecb
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#define cipher_hw_rv64i_zknd_zkne_ofb128 ossl_cipher_hw_generic_ofb128
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#define cipher_hw_rv64i_zknd_zkne_cfb128 ossl_cipher_hw_generic_cfb128
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#define cipher_hw_rv64i_zknd_zkne_cfb8 ossl_cipher_hw_generic_cfb8
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#define cipher_hw_rv64i_zknd_zkne_cfb1 ossl_cipher_hw_generic_cfb1
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#define cipher_hw_rv64i_zknd_zkne_ctr ossl_cipher_hw_generic_ctr
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static int cipher_hw_rv64i_zknd_zkne_initkey(PROV_CIPHER_CTX *dat,
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const unsigned char *key, size_t keylen)
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{
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int ret;
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PROV_AES_CTX *adat = (PROV_AES_CTX *)dat;
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AES_KEY *ks = &adat->ks.ks;
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dat->ks = ks;
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if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
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&& !dat->enc) {
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ret = rv64i_zknd_set_decrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f) rv64i_zknd_decrypt;
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dat->stream.cbc = NULL;
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} else {
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ret = rv64i_zkne_set_encrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f) rv64i_zkne_encrypt;
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dat->stream.cbc = NULL;
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}
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if (ret < 0) {
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ERR_raise(ERR_LIB_PROV, PROV_R_KEY_SETUP_FAILED);
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return 0;
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}
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return 1;
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}
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#define PROV_CIPHER_HW_declare(mode) \
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static const PROV_CIPHER_HW rv64i_zknd_zkne_##mode = { \
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cipher_hw_rv64i_zknd_zkne_initkey, \
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cipher_hw_rv64i_zknd_zkne_##mode, \
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cipher_hw_aes_copyctx \
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};
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#define PROV_CIPHER_HW_select(mode) \
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if (RISCV_HAS_ZKND_AND_ZKNE()) \
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return &rv64i_zknd_zkne_##mode;
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