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Handle XZ CheckType SHA-256

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This commit is contained in:
ms264556
2025-03-07 14:46:07 +13:00
parent bbeb46b37f
commit 3a7fbdfa52
2 changed files with 7 additions and 5 deletions
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7
src/SharpCompress/Compressors/Xz/XZHeader.cs
View File

@@ -1,3 +1,4 @@
using System;
using System.IO;
using System.Linq;
using System.Text;
@@ -11,7 +12,11 @@ public class XZHeader
private readonly byte[] MagicHeader = { 0xFD, 0x37, 0x7A, 0x58, 0x5a, 0x00 };
public CheckType BlockCheckType { get; private set; }
public int BlockCheckSize => ((((int)BlockCheckType) + 2) / 3) * 4;
public int BlockCheckSize =>
BlockCheckType == CheckType.NONE ? 0 :
BlockCheckType == CheckType.CRC32 ? 4 :
BlockCheckType == CheckType.CRC64 ? 8 :
BlockCheckType == CheckType.SHA256 ? 32 : throw new ArgumentOutOfRangeException();
public XZHeader(BinaryReader reader) => _reader = reader;

5
src/SharpCompress/Compressors/Xz/XZStream.cs
View File

@@ -25,13 +25,10 @@ public sealed class XZStream : XZReadOnlyStream
switch (Header.BlockCheckType)
{
case CheckType.NONE:
break;
case CheckType.CRC32:
break;
case CheckType.CRC64:
break;
case CheckType.SHA256:
throw new NotImplementedException();
break;
default:
throw new NotSupportedException("Check Type unknown to this version of decoder.");
}