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Add HashData polyfills
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‎apiCount.include.md‎

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**API count: 669**
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**API count: 693**

‎api_list.include.md‎

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* `ushort Clamp(ushort, ushort, ushort)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.math.clamp?view=net-10.0)
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#### MD5
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* `byte[] HashData(byte[])` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-byte()))
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* `int HashData(ReadOnlySpan<byte>, Span<byte>)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-readonlyspan((system-byte))-system-span((system-byte))))
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* `byte[] HashData(ReadOnlySpan<byte>)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-readonlyspan((system-byte))))
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* `int HashData(Stream, Span<byte>)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-io-stream-system-span((system-byte))))
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* `byte[] HashData(Stream)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-io-stream))
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* `ValueTask<byte[]> HashDataAsync(Stream, CancellationToken)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdataasync?view=net-10.0#system-security-cryptography-md5-hashdataasync(system-io-stream-system-threading-cancellationtoken))
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* `ValueTask<int> HashDataAsync(Stream, Memory<byte>, CancellationToken)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdataasync?view=net-10.0#system-security-cryptography-md5-hashdataasync(system-io-stream-system-memory((system-byte))-system-threading-cancellationtoken))
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* `bool TryHashData(ReadOnlySpan<byte>, Span<byte>, int)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.tryhashdata?view=net-10.0)
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#### MemberInfo
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* `NullabilityState GetNullability()`
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* `bool TryParse(string?, IFormatProvider?, sbyte)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.sbyte.tryparse?view=net-10.0#system-sbyte-tryparse(system-string-system-iformatprovider-system-sbyte@))
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#### SHA1
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* `byte[] HashData(byte[])` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha1.hashdata?view=net-10.0#system-security-cryptography-sha1-hashdata(system-byte()))
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* `int HashData(ReadOnlySpan<byte>, Span<byte>)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha1.hashdata?view=net-10.0#system-security-cryptography-sha1-hashdata(system-readonlyspan((system-byte))-system-span((system-byte))))
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* `byte[] HashData(ReadOnlySpan<byte>)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha1.hashdata?view=net-10.0#system-security-cryptography-sha1-hashdata(system-readonlyspan((system-byte))))
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* `int HashData(Stream, Span<byte>)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha1.hashdata?view=net-10.0#system-security-cryptography-sha1-hashdata(system-io-stream-system-span((system-byte))))
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* `byte[] HashData(Stream)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha1.hashdata?view=net-10.0#system-security-cryptography-sha1-hashdata(system-io-stream))
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* `ValueTask<byte[]> HashDataAsync(Stream, CancellationToken)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha1.hashdataasync?view=net-10.0#system-security-cryptography-sha1-hashdataasync(system-io-stream-system-threading-cancellationtoken))
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* `ValueTask<int> HashDataAsync(Stream, Memory<byte>, CancellationToken)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha1.hashdataasync?view=net-10.0#system-security-cryptography-sha1-hashdataasync(system-io-stream-system-memory((system-byte))-system-threading-cancellationtoken))
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* `bool TryHashData(ReadOnlySpan<byte>, Span<byte>, int)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha1.tryhashdata?view=net-10.0)
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#### SHA256
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* `byte[] HashData(byte[])` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha256.hashdata?view=net-10.0#system-security-cryptography-sha256-hashdata(system-byte()))
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* `bool TryHashData(ReadOnlySpan<byte>, Span<byte>, int)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha256.tryhashdata?view=net-10.0)
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#### SHA384
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* `byte[] HashData(byte[])` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha384.hashdata?view=net-10.0#system-security-cryptography-sha384-hashdata(system-byte()))
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* `int HashData(ReadOnlySpan<byte>, Span<byte>)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha384.hashdata?view=net-10.0#system-security-cryptography-sha384-hashdata(system-readonlyspan((system-byte))-system-span((system-byte))))
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* `byte[] HashData(ReadOnlySpan<byte>)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha384.hashdata?view=net-10.0#system-security-cryptography-sha384-hashdata(system-readonlyspan((system-byte))))
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* `int HashData(Stream, Span<byte>)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha384.hashdata?view=net-10.0#system-security-cryptography-sha384-hashdata(system-io-stream-system-span((system-byte))))
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* `byte[] HashData(Stream)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha384.hashdata?view=net-10.0#system-security-cryptography-sha384-hashdata(system-io-stream))
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* `ValueTask<byte[]> HashDataAsync(Stream, CancellationToken)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha384.hashdataasync?view=net-10.0#system-security-cryptography-sha384-hashdataasync(system-io-stream-system-threading-cancellationtoken))
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* `ValueTask<int> HashDataAsync(Stream, Memory<byte>, CancellationToken)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha384.hashdataasync?view=net-10.0#system-security-cryptography-sha384-hashdataasync(system-io-stream-system-memory((system-byte))-system-threading-cancellationtoken))
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* `bool TryHashData(ReadOnlySpan<byte>, Span<byte>, int)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha384.tryhashdata?view=net-10.0)
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#### SHA512
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* `byte[] HashData(byte[])` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.sha512.hashdata?view=net-10.0#system-security-cryptography-sha512-hashdata(system-byte()))

‎src/Consume/Consume.cs‎

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SHA512.HashDataAsync(source: null!, destination: memory);
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SHA512.HashDataAsync(source: null!, destination: memory, cancellationToken: CancellationToken.None);
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#endif
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#endif
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}
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void SHA1Usage()
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{
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SHA1.HashData(source: (byte[]) null!);
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SHA1.HashData(source: (Stream) null!);
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#if FeatureValueTask
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SHA1.HashDataAsync(source: null!, cancellationToken: CancellationToken.None);
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#endif
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#if FeatureMemory
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Span<byte> span = default;
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ReadOnlySpan<byte> readOnlySpan = default;
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Memory<byte> memory = default;
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SHA1.HashData(source: (Stream) null!, destination: span);
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SHA1.HashData(source: readOnlySpan);
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SHA1.HashData(source: readOnlySpan, destination: span);
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SHA1.TryHashData(source: readOnlySpan, destination: span, bytesWritten: out _);
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#if FeatureValueTask
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SHA1.HashDataAsync(source: null!, destination: memory);
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SHA1.HashDataAsync(source: null!, destination: memory, cancellationToken: CancellationToken.None);
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#endif
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#endif
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}
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void SHA384Usage()
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{
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SHA384.HashData(source: (byte[]) null!);
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SHA384.HashData(source: (Stream) null!);
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#if FeatureValueTask
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SHA384.HashDataAsync(source: null!, cancellationToken: CancellationToken.None);
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#endif
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#if FeatureMemory
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Span<byte> span = default;
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ReadOnlySpan<byte> readOnlySpan = default;
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Memory<byte> memory = default;
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SHA384.HashData(source: (Stream) null!, destination: span);
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SHA384.HashData(source: readOnlySpan);
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SHA384.HashData(source: readOnlySpan, destination: span);
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SHA384.TryHashData(source: readOnlySpan, destination: span, bytesWritten: out _);
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#if FeatureValueTask
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SHA384.HashDataAsync(source: null!, destination: memory);
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SHA384.HashDataAsync(source: null!, destination: memory, cancellationToken: CancellationToken.None);
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#endif
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#endif
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}
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void MD5Usage()
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{
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MD5.HashData(source: (byte[]) null!);
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MD5.HashData(source: (Stream) null!);
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#if FeatureValueTask
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MD5.HashDataAsync(source: null!, cancellationToken: CancellationToken.None);
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#endif
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#if FeatureMemory
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Span<byte> span = default;
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ReadOnlySpan<byte> readOnlySpan = default;
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Memory<byte> memory = default;
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MD5.HashData(source: (Stream) null!, destination: span);
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MD5.HashData(source: readOnlySpan);
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MD5.HashData(source: readOnlySpan, destination: span);
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MD5.TryHashData(source: readOnlySpan, destination: span, bytesWritten: out _);
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#if FeatureValueTask
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MD5.HashDataAsync(source: null!, destination: memory);
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MD5.HashDataAsync(source: null!, destination: memory, cancellationToken: CancellationToken.None);
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#endif
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#endif
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}
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‎src/Polyfill/MD5Polyfill.cs‎

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#if !NET7_0_OR_GREATER
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namespace Polyfills;
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using System.Threading.Tasks;
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using System.Threading;
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using System;
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using System.IO;
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using System.Security.Cryptography;
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using System.Diagnostics;
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using System.Diagnostics.CodeAnalysis;
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[ExcludeFromCodeCoverage]
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[DebuggerNonUserCode]
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#if PolyUseEmbeddedAttribute
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[global::Microsoft.CodeAnalysis.EmbeddedAttribute]
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#endif
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#if PolyPublic
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public
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#endif
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static class MD5Polyfill
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{
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extension(MD5)
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{
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#if !NET
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/// <summary>
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/// Computes the hash of data using the MD5 algorithm.
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/// </summary>
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//Link: https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-byte())
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public static byte[] HashData(byte[] source)
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{
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using var hasher = MD5.Create();
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return hasher.ComputeHash(source);
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}
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#endif
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/// <summary>
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/// Computes the hash of a stream using the MD5 algorithm.
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/// </summary>
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//Link: https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-io-stream)
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public static byte[] HashData(Stream source)
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{
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using var hasher = MD5.Create();
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return hasher.ComputeHash(source);
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}
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#if FeatureValueTask
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/// <summary>
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/// Asynchronously computes the hash of a stream using the MD5 algorithm.
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/// </summary>
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//Link: https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdataasync?view=net-10.0#system-security-cryptography-md5-hashdataasync(system-io-stream-system-threading-cancellationtoken)
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public static ValueTask<byte[]> HashDataAsync(Stream source, CancellationToken cancellationToken = default)
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{
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cancellationToken.ThrowIfCancellationRequested();
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using var hasher = MD5.Create();
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return new(hasher.ComputeHash(source));
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}
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#endif
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#if FeatureMemory
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/// <summary>
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/// Computes the hash of a stream using the MD5 algorithm.
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/// </summary>
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//Link: https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-io-stream-system-span((system-byte)))
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public static int HashData(Stream source, Span<byte> destination)
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{
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var hash = HashData(source);
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hash.CopyTo(destination);
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return hash.Length;
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}
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#if !NET
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/// <summary>
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/// Computes the hash of data using the MD5 algorithm.
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/// </summary>
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//Link: https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-readonlyspan((system-byte)))
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public static byte[] HashData(ReadOnlySpan<byte> source)
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{
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using var hasher = MD5.Create();
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return hasher.ComputeHash(source.ToArray());
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}
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#endif
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#if FeatureValueTask
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/// <summary>
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/// Asynchronously computes the hash of a stream using the MD5 algorithm.
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/// </summary>
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//Link: https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdataasync?view=net-10.0#system-security-cryptography-md5-hashdataasync(system-io-stream-system-memory((system-byte))-system-threading-cancellationtoken)
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public static ValueTask<int> HashDataAsync(Stream source, Memory<byte> destination, CancellationToken cancellationToken = default)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var hash = HashData(source);
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hash.CopyTo(destination);
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return new(hash.Length);
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}
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#endif
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#if !NET
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/// <summary>
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/// Computes the hash of data using the MD5 algorithm.
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/// </summary>
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//Link: https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.hashdata?view=net-10.0#system-security-cryptography-md5-hashdata(system-readonlyspan((system-byte))-system-span((system-byte)))
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public static int HashData(ReadOnlySpan<byte> source, Span<byte> destination)
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{
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var hash = HashData(source);
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hash.CopyTo(destination);
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return hash.Length;
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}
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/// <summary>
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/// Attempts to compute the hash of data using the MD5 algorithm.
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/// </summary>
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//Link: https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.md5.tryhashdata?view=net-10.0
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public static bool TryHashData(ReadOnlySpan<byte> source, Span<byte> destination, out int bytesWritten)
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{
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using var hasher = MD5.Create();
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var hash = hasher.ComputeHash(source.ToArray());
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if (destination.Length < hash.Length)
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{
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bytesWritten = 0;
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return false;
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}
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hash.CopyTo(destination);
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bytesWritten = hash.Length;
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return true;
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}
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#endif
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#endif
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}
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}
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#endif

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