1 | /* Copyright (c) (2012,2014-2019,2021,2022) Apple Inc. All rights reserved. |
2 | * |
3 | * corecrypto is licensed under Apple Inc.’s Internal Use License Agreement (which |
4 | * is contained in the License.txt file distributed with corecrypto) and only to |
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10 | * |
11 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
12 | * |
13 | * This file contains Original Code and/or Modifications of Original Code |
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15 | * Version 2.0 (the 'License'). You may not use this file except in |
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34 | */ |
35 | |
36 | #include <corecrypto/ccsha2.h> |
37 | #include "ccsha2_internal.h" |
38 | #include "cc_runtime_config.h" |
39 | #include "fipspost_trace.h" |
40 | |
41 | const struct ccdigest_info * |
42 | ccsha256_di(void) |
43 | { |
44 | FIPSPOST_TRACE_EVENT; |
45 | |
46 | #if CC_USE_ASM && CCSHA2_VNG_INTEL |
47 | #if defined(__x86_64__) |
48 | if (CC_HAS_AVX512_AND_IN_KERNEL()) { |
49 | return &ccsha256_vng_intel_SupplementalSSE3_di; |
50 | } |
51 | |
52 | if (CC_HAS_AVX2()) { |
53 | return &ccsha256_vng_intel_AVX2_di; |
54 | } |
55 | |
56 | if (CC_HAS_AVX1()) { |
57 | return &ccsha256_vng_intel_AVX1_di; |
58 | } |
59 | #endif |
60 | |
61 | return &ccsha256_vng_intel_SupplementalSSE3_di; |
62 | #elif CC_USE_ASM && CCSHA2_VNG_ARM |
63 | return &ccsha256_vng_arm_di; |
64 | #elif CCSHA256_ARMV6M_ASM |
65 | return &ccsha256_v6m_di; |
66 | #else |
67 | return &ccsha256_ltc_di; |
68 | #endif |
69 | } |
70 | |