netcore/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Arm64/Sha256.PlatformNotSupported.cs

   1 // Licensed to the .NET Foundation under one or more agreements.
   2 // The .NET Foundation licenses this file to you under the MIT license.
   3 // See the LICENSE file in the project root for more information.
   4
   5 #nullable enable
   6 using System.Runtime.CompilerServices;
   7 using System.Runtime.Intrinsics;
   8
   9 namespace System.Runtime.Intrinsics.Arm.Arm64
  10 {
  11     /// <summary>
  12     /// This class provides access to the Arm64 SHA256 Crypto intrinsics
  13     ///
  14     /// Arm64 CPU indicate support for this feature by setting
  15     /// ID_AA64ISAR0_EL1.SHA2 is 1 or better
  16     /// </summary>
  17     [CLSCompliant(false)]
  18     public static class Sha256
  19     {
  20         public static bool IsSupported { get { return false; } }
  21
  22         /// <summary>
  23         /// Performs SHA256 hash update (part 1).
  24         /// vsha256hq_u32 (uint32x4_t hash_abcd, uint32x4_t hash_efgh, uint32x4_t wk)
  25         /// </summary>
  26         public static Vector128<uint> HashLower(Vector128<uint> hash_abcd, Vector128<uint> hash_efgh, Vector128<uint> wk) { throw new PlatformNotSupportedException(); }
  27
  28         /// <summary>
  29         /// Performs SHA256 hash update (part 2).
  30         /// vsha256h2q_u32 (uint32x4_t hash_efgh, uint32x4_t hash_abcd, uint32x4_t wk)
  31         /// </summary>
  32         public static Vector128<uint> HashUpper(Vector128<uint> hash_efgh, Vector128<uint> hash_abcd, Vector128<uint> wk) { throw new PlatformNotSupportedException(); }
  33
  34         /// <summary>
  35         /// Performs SHA256 schedule update 0
  36         /// vsha256su0q_u32 (uint32x4_t w0_3, uint32x4_t w4_7)
  37         /// </summary>
  38         public static Vector128<uint> SchedulePart1(Vector128<uint> w0_3, Vector128<uint> w4_7) { throw new PlatformNotSupportedException(); }
  39
  40         /// <summary>
  41         /// Performs SHA256 schedule update 1
  42         /// vsha256su1q_u32 (uint32x4_t w0_3, uint32x4_t w8_11, uint32x4_t w12_15)
  43         /// </summary>
  44         public static Vector128<uint> SchedulePart2(Vector128<uint> w0_3, Vector128<uint> w8_11, Vector128<uint> w12_15) { throw new PlatformNotSupportedException(); }
  45     }
  46 }