/* Copyright (c) (2012,2014-2019,2021,2022) Apple Inc. All rights reserved.
*
* corecrypto is licensed under Apple Inc.’s Internal Use License Agreement (which
* is contained in the License.txt file distributed with corecrypto) and only to
* people who accept that license. IMPORTANT: Any license rights granted to you by
* Apple Inc. (if any) are limited to internal use within your organization only on
* devices and computers you own or control, for the sole purpose of verifying the
* security characteristics and correct functioning of the Apple Software. You may
* not, directly or indirectly, redistribute the Apple Software or any portions thereof.
*
* @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 "cc_runtime_config.h"
#include "fipspost_trace.h"
const struct ccdigest_info *
ccsha256_di(void)
{
FIPSPOST_TRACE_EVENT;
#if CC_USE_ASM && CCSHA2_VNG_INTEL
#if defined(__x86_64__)
if (CC_HAS_AVX512_AND_IN_KERNEL()) {
return &ccsha256_vng_intel_SupplementalSSE3_di;
}
if (CC_HAS_AVX2()) {
return &ccsha256_vng_intel_AVX2_di;
}
if (CC_HAS_AVX1()) {
return &ccsha256_vng_intel_AVX1_di;
}
#endif
return &ccsha256_vng_intel_SupplementalSSE3_di;
#elif CC_USE_ASM && CCSHA2_VNG_ARM
return &ccsha256_vng_arm_di;
#elif CCSHA256_ARMV6M_ASM
return &ccsha256_v6m_di;
#else
return &ccsha256_ltc_di;
#endif
}