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e655cc70df
OpenSSL itself keeps only a single copy of this header. Do the same in sys/crypto/openssl to avoid the extra maintenance burden. This requires adjusting the include paths for generated asm files. No functional change intended. Reported by: jrtc27 Reviewed by: jhb MFC after: 3 months Differential Revision: https://reviews.freebsd.org/D42866
82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 The FreeBSD Foundation
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*
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* This software was developed by Mitchell Horne <mhorne@FreeBSD.org>
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* under sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <machine/elf.h>
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#include <machine/md_var.h>
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#include <crypto/openssl/ossl.h>
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#include <crypto/openssl/ossl_cipher.h>
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#include <crypto/openssl/arm_arch.h>
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/*
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* Feature bits defined in arm_arch.h
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*/
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unsigned int OPENSSL_armcap_P;
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ossl_cipher_setkey_t aes_v8_set_encrypt_key;
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ossl_cipher_setkey_t aes_v8_set_decrypt_key;
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ossl_cipher_setkey_t vpaes_set_encrypt_key;
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ossl_cipher_setkey_t vpaes_set_decrypt_key;
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void
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ossl_cpuid(struct ossl_softc *sc)
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{
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/* SHA features */
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if ((elf_hwcap & HWCAP_SHA1) != 0)
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OPENSSL_armcap_P |= ARMV8_SHA1;
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if ((elf_hwcap & HWCAP_SHA2) != 0)
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OPENSSL_armcap_P |= ARMV8_SHA256;
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if ((elf_hwcap & HWCAP_SHA512) != 0)
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OPENSSL_armcap_P |= ARMV8_SHA512;
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/* AES features */
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if ((elf_hwcap & HWCAP_AES) != 0)
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OPENSSL_armcap_P |= ARMV8_AES;
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if ((elf_hwcap & HWCAP_PMULL) != 0)
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OPENSSL_armcap_P |= ARMV8_PMULL;
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if ((OPENSSL_armcap_P & ARMV8_AES) == 0 &&
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(OPENSSL_armcap_P & ARMV7_NEON) == 0) {
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sc->has_aes = false;
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return;
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}
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sc->has_aes = true;
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if (OPENSSL_armcap_P & ARMV8_AES) {
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ossl_cipher_aes_cbc.set_encrypt_key = aes_v8_set_encrypt_key;
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ossl_cipher_aes_cbc.set_decrypt_key = aes_v8_set_decrypt_key;
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} else {
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ossl_cipher_aes_cbc.set_encrypt_key = vpaes_set_encrypt_key;
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ossl_cipher_aes_cbc.set_decrypt_key = vpaes_set_decrypt_key;
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}
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}
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