1 | /* |
2 | * ccsha256_di.c |
3 | * corecrypto |
4 | * |
5 | * Created on 09/18/2012 |
6 | * |
7 | * Copyright (c) 2012,2014,2015 Apple Inc. All rights reserved. |
8 | * |
9 | * |
10 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
11 | * |
12 | * This file contains Original Code and/or Modifications of Original Code |
13 | * as defined in and that are subject to the Apple Public Source License |
14 | * Version 2.0 (the 'License'). You may not use this file except in |
15 | * compliance with the License. The rights granted to you under the License |
16 | * may not be used to create, or enable the creation or redistribution of, |
17 | * unlawful or unlicensed copies of an Apple operating system, or to |
18 | * circumvent, violate, or enable the circumvention or violation of, any |
19 | * terms of an Apple operating system software license agreement. |
20 | * |
21 | * Please obtain a copy of the License at |
22 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
23 | * |
24 | * The Original Code and all software distributed under the License are |
25 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
26 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
27 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
28 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
29 | * Please see the License for the specific language governing rights and |
30 | * limitations under the License. |
31 | * |
32 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
33 | */ |
34 | |
35 | #include <corecrypto/ccsha2.h> |
36 | #include "ccsha2_internal.h" |
37 | #include <corecrypto/cc_runtime_config.h> |
38 | |
39 | #include "corecrypto/fipspost_trace.h" |
40 | |
41 | const struct ccdigest_info *ccsha256_di(void) |
42 | { |
43 | FIPSPOST_TRACE_EVENT; |
44 | |
45 | #if CCSHA2_VNG_INTEL |
46 | #if defined (__x86_64__) |
47 | if (CC_HAS_AVX512_AND_IN_KERNEL()) |
48 | return &ccsha256_vng_intel_SupplementalSSE3_di; |
49 | else |
50 | return ( (CC_HAS_AVX2() ? &ccsha256_vng_intel_AVX2_di : |
51 | ( (CC_HAS_AVX1() ? &ccsha256_vng_intel_AVX1_di : |
52 | &ccsha256_vng_intel_SupplementalSSE3_di ) ) ) ) ; |
53 | #else |
54 | return &ccsha256_vng_intel_SupplementalSSE3_di; |
55 | #endif |
56 | #elif CCSHA2_VNG_ARMV7NEON |
57 | return &ccsha256_vng_armv7neon_di; |
58 | #elif CCSHA256_ARMV6M_ASM |
59 | return &ccsha256_v6m_di; |
60 | #else |
61 | return &ccsha256_ltc_di; |
62 | #endif |
63 | } |
64 | |