/* * ccsha256_di.c * corecrypto * * Created on 09/18/2012 * * Copyright (c) 2012,2014,2015 Apple Inc. All rights reserved. * * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #include <corecrypto/ccsha2.h> #include "ccsha2_internal.h" #include <corecrypto/cc_runtime_config.h> #include "corecrypto/fipspost_trace.h" const struct ccdigest_info * ccsha256_di(void) { FIPSPOST_TRACE_EVENT; #if CCSHA2_VNG_INTEL #if defined (__x86_64__) if (CC_HAS_AVX512_AND_IN_KERNEL()) { return &ccsha256_vng_intel_SupplementalSSE3_di; } else #if CC_ACCELERATECRYPTO { return &ccsha256_vng_intel_di; // use AccelerateCrypto } #else { return CC_HAS_AVX2() ? &ccsha256_vng_intel_AVX2_di : ((CC_HAS_AVX1() ? &ccsha256_vng_intel_AVX1_di : &ccsha256_vng_intel_SupplementalSSE3_di)); } #endif #else return &ccsha256_vng_intel_SupplementalSSE3_di; #endif #elif CCSHA2_VNG_ARM return &ccsha256_vng_arm_di; #elif CCSHA256_ARMV6M_ASM return &ccsha256_v6m_di; #else return &ccsha256_ltc_di; #endif }