mirror of
https://github.com/openssl/openssl.git
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604e884bb8
From providers/{common,default}/ to providers/implementations/
Except for common code, which remains in providers/common/ciphers/.
However, we do move providers/common/include/internal/ciphers/*.h
to providers/common/include/prov/, and adjust all source including
any of those header files.
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10088)
84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
/*
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* Copyright 2001-2019 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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* AES-NI 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_aesni_ofb128 cipher_hw_generic_ofb128
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#define cipher_hw_aesni_cfb128 cipher_hw_generic_cfb128
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#define cipher_hw_aesni_cfb8 cipher_hw_generic_cfb8
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#define cipher_hw_aesni_cfb1 cipher_hw_generic_cfb1
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#define cipher_hw_aesni_ctr cipher_hw_generic_ctr
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static int cipher_hw_aesni_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 = aesni_set_decrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f) aesni_decrypt;
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dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
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(cbc128_f) aesni_cbc_encrypt : NULL;
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} else {
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ret = aesni_set_encrypt_key(key, keylen * 8, ks);
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dat->block = (block128_f) aesni_encrypt;
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if (dat->mode == EVP_CIPH_CBC_MODE)
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dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
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else if (dat->mode == EVP_CIPH_CTR_MODE)
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dat->stream.ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
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else
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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_AES_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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static int cipher_hw_aesni_cbc(PROV_CIPHER_CTX *ctx, unsigned char *out,
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const unsigned char *in, size_t len)
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{
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const AES_KEY *ks = ctx->ks;
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aesni_cbc_encrypt(in, out, len, ks, ctx->iv, ctx->enc);
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return 1;
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}
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static int cipher_hw_aesni_ecb(PROV_CIPHER_CTX *ctx, unsigned char *out,
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const unsigned char *in, size_t len)
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{
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if (len < ctx->blocksize)
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return 1;
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aesni_ecb_encrypt(in, out, len, ctx->ks, ctx->enc);
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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 aesni_##mode = { \
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cipher_hw_aesni_initkey, \
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cipher_hw_aesni_##mode \
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};
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#define PROV_CIPHER_HW_select(mode) \
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if (AESNI_CAPABLE) \
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return &aesni_##mode;
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