2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2020 The FreeBSD Foundation
6 * This software was developed by Mitchell Horne <mhorne@FreeBSD.org>
7 * under sponsorship from the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/types.h>
35 #include <machine/elf.h>
36 #include <machine/md_var.h>
38 #include <crypto/openssl/ossl.h>
39 #include <crypto/openssl/ossl_cipher.h>
40 #include <crypto/openssl/aarch64/arm_arch.h>
43 * Feature bits defined in arm_arch.h
45 unsigned int OPENSSL_armcap_P;
47 ossl_cipher_setkey_t aes_v8_set_encrypt_key;
48 ossl_cipher_setkey_t aes_v8_set_decrypt_key;
50 ossl_cipher_setkey_t vpaes_set_encrypt_key;
51 ossl_cipher_setkey_t vpaes_set_decrypt_key;
54 ossl_cpuid(struct ossl_softc *sc)
57 if ((elf_hwcap & HWCAP_SHA1) != 0)
58 OPENSSL_armcap_P |= ARMV8_SHA1;
59 if ((elf_hwcap & HWCAP_SHA2) != 0)
60 OPENSSL_armcap_P |= ARMV8_SHA256;
61 if ((elf_hwcap & HWCAP_SHA512) != 0)
62 OPENSSL_armcap_P |= ARMV8_SHA512;
65 if ((elf_hwcap & HWCAP_AES) != 0)
66 OPENSSL_armcap_P |= ARMV8_AES;
67 if ((elf_hwcap & HWCAP_PMULL) != 0)
68 OPENSSL_armcap_P |= ARMV8_PMULL;
70 if ((OPENSSL_armcap_P & ARMV8_AES) == 0 &&
71 (OPENSSL_armcap_P & ARMV7_NEON) == 0) {
76 if (OPENSSL_armcap_P & ARMV8_AES) {
77 ossl_cipher_aes_cbc.set_encrypt_key = aes_v8_set_encrypt_key;
78 ossl_cipher_aes_cbc.set_decrypt_key = aes_v8_set_decrypt_key;
80 ossl_cipher_aes_cbc.set_encrypt_key = vpaes_set_encrypt_key;
81 ossl_cipher_aes_cbc.set_decrypt_key = vpaes_set_decrypt_key;