1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2023 Stormshield 5 * Copyright (c) 2023 Semihalf 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification. 13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 15 * redistribution must be conditioned upon including a substantially 16 * similar Disclaimer requirement for further binary redistribution. 17 * 18 * NO WARRANTY 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 22 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 23 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 24 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 27 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29 * THE POSSIBILITY OF SUCH DAMAGES. 30 */ 31 32 #include <sys/param.h> 33 34 #include <machine/elf.h> 35 #include <machine/md_var.h> 36 37 #include <crypto/openssl/ossl.h> 38 #include <crypto/openssl/ossl_cipher.h> 39 #include <crypto/openssl/arm_arch.h> 40 41 ossl_cipher_setkey_t AES_set_encrypt_key; 42 ossl_cipher_setkey_t AES_set_decrypt_key; 43 44 ossl_cipher_setkey_t ossl_aes_gcm_setkey; 45 46 unsigned int OPENSSL_armcap_P; 47 48 void 49 ossl_cpuid(struct ossl_softc *sc) 50 { 51 if (elf_hwcap & HWCAP_NEON) { 52 OPENSSL_armcap_P |= ARMV7_NEON; 53 54 sc->has_aes = true; 55 ossl_cipher_aes_cbc.set_encrypt_key = AES_set_encrypt_key; 56 ossl_cipher_aes_cbc.set_decrypt_key = AES_set_decrypt_key; 57 58 sc->has_aes_gcm = true; 59 ossl_cipher_aes_gcm.set_encrypt_key = ossl_aes_gcm_setkey; 60 ossl_cipher_aes_gcm.set_decrypt_key = ossl_aes_gcm_setkey; 61 } 62 } 63