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Add parameterized CRC-32 and CRC-64 #124117

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Add parameterized CRC-32 and CRC-64 #124117

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d937834
Add parameterized CRC-32 and CRC-64. Currently, they are just done as
bartonjs Jan 13, 2026
f4b8a5e
Remove support for refIn!=refOut
bartonjs Feb 7, 2026
b2c2f00
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bartonjs Feb 9, 2026
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bartonjs Feb 11, 2026
bf27036
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bartonjs Feb 13, 2026
064e704
Merge remote-tracking branch 'dotnet/main' into parameterized_crc
bartonjs Feb 13, 2026
2138b2f
Fix xmldoc ordering
bartonjs Feb 13, 2026
5214bf2
Merge branch 'main' into parameterized_crc
bartonjs Feb 15, 2026
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48 changes: 47 additions & 1 deletion src/libraries/System.IO.Hashing/ref/System.IO.Hashing.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -26,37 +26,83 @@ public override void Reset() { }
public sealed partial class Crc32 : System.IO.Hashing.NonCryptographicHashAlgorithm
{
public Crc32() : base (default(int)) { }
public Crc32(System.IO.Hashing.Crc32ParameterSet parameterSet) : base (default(int)) { }
public System.IO.Hashing.Crc32ParameterSet ParameterSet { get { throw null; } }
public override void Append(System.ReadOnlySpan<byte> source) { }
public System.IO.Hashing.Crc32 Clone() { throw null; }
[System.CLSCompliantAttribute(false)]
public uint GetCurrentHashAsUInt32() { throw null; }
protected override void GetCurrentHashCore(System.Span<byte> destination) { }
protected override void GetHashAndResetCore(System.Span<byte> destination) { }
public static byte[] Hash(byte[] source) { throw null; }
public static byte[] Hash(System.IO.Hashing.Crc32ParameterSet parameterSet, byte[] source) { throw null; }
public static byte[] Hash(System.IO.Hashing.Crc32ParameterSet parameterSet, System.ReadOnlySpan<byte> source) { throw null; }
public static int Hash(System.IO.Hashing.Crc32ParameterSet parameterSet, System.ReadOnlySpan<byte> source, System.Span<byte> destination) { throw null; }
public static byte[] Hash(System.ReadOnlySpan<byte> source) { throw null; }
public static int Hash(System.ReadOnlySpan<byte> source, System.Span<byte> destination) { throw null; }
[System.CLSCompliantAttribute(false)]
public static uint HashToUInt32(System.IO.Hashing.Crc32ParameterSet parameterSet, System.ReadOnlySpan<byte> source) { throw null; }
[System.CLSCompliantAttribute(false)]
public static uint HashToUInt32(System.ReadOnlySpan<byte> source) { throw null; }
public override void Reset() { }
public static bool TryHash(System.IO.Hashing.Crc32ParameterSet parameterSet, System.ReadOnlySpan<byte> source, System.Span<byte> destination, out int bytesWritten) { throw null; }
public static bool TryHash(System.ReadOnlySpan<byte> source, System.Span<byte> destination, out int bytesWritten) { throw null; }
}
public partial class Crc32ParameterSet
{
internal Crc32ParameterSet() { }
public static System.IO.Hashing.Crc32ParameterSet Crc32 { get { throw null; } }
public static System.IO.Hashing.Crc32ParameterSet Crc32C { get { throw null; } }
[System.CLSCompliantAttribute(false)]
public uint FinalXorValue { get { throw null; } }
[System.CLSCompliantAttribute(false)]
public uint InitialValue { get { throw null; } }
[System.CLSCompliantAttribute(false)]
public uint Polynomial { get { throw null; } }
public bool ReflectValues { get { throw null; } }
[System.CLSCompliantAttribute(false)]
public static System.IO.Hashing.Crc32ParameterSet Create(uint polynomial, uint initialValue, uint finalXorValue, bool reflectValues) { throw null; }
}
public sealed partial class Crc64 : System.IO.Hashing.NonCryptographicHashAlgorithm
{
public Crc64() : base (default(int)) { }
public System.IO.Hashing.Crc64 Clone() { throw null; }
public Crc64(System.IO.Hashing.Crc64ParameterSet parameterSet) : base (default(int)) { }
public System.IO.Hashing.Crc64ParameterSet ParameterSet { get { throw null; } }
public override void Append(System.ReadOnlySpan<byte> source) { }
public System.IO.Hashing.Crc64 Clone() { throw null; }
[System.CLSCompliantAttribute(false)]
public ulong GetCurrentHashAsUInt64() { throw null; }
protected override void GetCurrentHashCore(System.Span<byte> destination) { }
protected override void GetHashAndResetCore(System.Span<byte> destination) { }
public static byte[] Hash(byte[] source) { throw null; }
public static byte[] Hash(System.IO.Hashing.Crc64ParameterSet parameterSet, byte[] source) { throw null; }
public static byte[] Hash(System.IO.Hashing.Crc64ParameterSet parameterSet, System.ReadOnlySpan<byte> source) { throw null; }
public static int Hash(System.IO.Hashing.Crc64ParameterSet parameterSet, System.ReadOnlySpan<byte> source, System.Span<byte> destination) { throw null; }
public static byte[] Hash(System.ReadOnlySpan<byte> source) { throw null; }
public static int Hash(System.ReadOnlySpan<byte> source, System.Span<byte> destination) { throw null; }
[System.CLSCompliantAttribute(false)]
public static ulong HashToUInt64(System.IO.Hashing.Crc64ParameterSet parameterSet, System.ReadOnlySpan<byte> source) { throw null; }
[System.CLSCompliantAttribute(false)]
public static ulong HashToUInt64(System.ReadOnlySpan<byte> source) { throw null; }
public override void Reset() { }
public static bool TryHash(System.IO.Hashing.Crc64ParameterSet parameterSet, System.ReadOnlySpan<byte> source, System.Span<byte> destination, out int bytesWritten) { throw null; }
public static bool TryHash(System.ReadOnlySpan<byte> source, System.Span<byte> destination, out int bytesWritten) { throw null; }
}
public partial class Crc64ParameterSet
{
internal Crc64ParameterSet() { }
public static System.IO.Hashing.Crc64ParameterSet Crc64 { get { throw null; } }
[System.CLSCompliantAttribute(false)]
public ulong FinalXorValue { get { throw null; } }
[System.CLSCompliantAttribute(false)]
public ulong InitialValue { get { throw null; } }
public static System.IO.Hashing.Crc64ParameterSet Nvme { get { throw null; } }
[System.CLSCompliantAttribute(false)]
public ulong Polynomial { get { throw null; } }
public bool ReflectValues { get { throw null; } }
[System.CLSCompliantAttribute(false)]
public static System.IO.Hashing.Crc64ParameterSet Create(ulong polynomial, ulong initialValue, ulong finalXorValue, bool reflectValues) { throw null; }
}
public abstract partial class NonCryptographicHashAlgorithm
{
protected NonCryptographicHashAlgorithm(int hashLengthInBytes) { }
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6 changes: 6 additions & 0 deletions src/libraries/System.IO.Hashing/src/System.IO.Hashing.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -16,8 +16,14 @@ System.IO.Hashing.XxHash32</PackageDescription>
<Compile Include="System\IO\Hashing\Adler32.cs" />
<Compile Include="System\IO\Hashing\Crc32.cs" />
<Compile Include="System\IO\Hashing\Crc32.Table.cs" />
<Compile Include="System\IO\Hashing\Crc32ParameterSet.cs" />
<Compile Include="System\IO\Hashing\Crc32ParameterSet.Table.cs" />
<Compile Include="System\IO\Hashing\Crc32ParameterSet.WellKnown.cs" />
<Compile Include="System\IO\Hashing\Crc64.cs" />
<Compile Include="System\IO\Hashing\Crc64.Table.cs" />
<Compile Include="System\IO\Hashing\Crc64ParameterSet.cs" />
<Compile Include="System\IO\Hashing\Crc64ParameterSet.Table.cs" />
<Compile Include="System\IO\Hashing\Crc64ParameterSet.WellKnown.cs" />
<Compile Include="System\IO\Hashing\NonCryptographicHashAlgorithm.cs" />
<Compile Include="System\IO\Hashing\XxHash128.cs" />
<Compile Include="System\IO\Hashing\XxHash3.cs" />
Expand Down
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