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Added benchmarks for AsymmetricAdapter signatures
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benchmark/Microsoft.IdentityModel.Benchmarks/AsymmetricAdapterSignatures.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| // Copyright (c) Microsoft Corporation. All rights reserved. | ||
| // Licensed under the MIT License. | ||
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| #if NET6_0_OR_GREATER | ||
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| using System; | ||
| using System.Buffers; | ||
| using System.Security.Cryptography; | ||
| using System.Text; | ||
| using BenchmarkDotNet.Attributes; | ||
| using Microsoft.IdentityModel.JsonWebTokens; | ||
| using Microsoft.IdentityModel.Tokens; | ||
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| namespace Microsoft.IdentityModel.Benchmarks | ||
| { | ||
| // dotnet run -c release -f net8.0 --filter Microsoft.IdentityModel.Benchmarks.AsymmetricAdapterSignatures.* | ||
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| [Config(typeof(BenchmarkConfig))] | ||
| [HideColumns("Type", "Job", "WarmupCount", "LaunchCount")] | ||
| [MemoryDiagnoser] | ||
| public class AsymmetricAdapterSignatures | ||
| { | ||
| private byte[] _bytesToSign; | ||
| private byte[] _signatureBuffer; | ||
| private AsymmetricAdapter _rsaAsymmetricAdapter; | ||
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| [GlobalSetup] | ||
| public void Setup() | ||
| { | ||
| SecurityTokenDescriptor securityTokenDescriptor = new () | ||
| { | ||
| SigningCredentials = BenchmarkUtils.SigningCredentialsRsaSha256, | ||
| Claims = BenchmarkUtils.Claims, | ||
| TokenType = JwtHeaderParameterNames.Jwk | ||
| }; | ||
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| _bytesToSign = Encoding.UTF8.GetBytes((new JsonWebTokenHandler()).CreateToken(securityTokenDescriptor)); | ||
| _rsaAsymmetricAdapter = new AsymmetricAdapter( | ||
| BenchmarkUtils.SigningCredentialsRsaSha256.Key, | ||
| SecurityAlgorithms.RsaSha256, | ||
| SHA256.Create(), | ||
| SupportedAlgorithms.GetHashAlgorithmName(SecurityAlgorithms.RsaSha256), | ||
| true ); | ||
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| _signatureBuffer = new byte[256]; | ||
| } | ||
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| /// <summary> | ||
| /// In this case, dotnet creates a buffer to hold the signature. | ||
| /// ArrayPool is not used, because the buffer is created by the framework and not the user. | ||
| /// The buffer is not returned to the pool, and must be garbage collected. | ||
| /// </summary> | ||
| [Benchmark] | ||
| public void SignDotnetCreatingBufferRSA() | ||
| { | ||
| _rsaAsymmetricAdapter.Sign(_bytesToSign); | ||
| } | ||
|
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| /// <summary> | ||
| /// In this case, the user obatins a buffer to hold the signature frm the array pool. | ||
| /// A new api available in .NET 5.0+ is used to provide the buffer to place the signature. | ||
| /// The size of the bytes written is returned in the out parameter, size. | ||
| /// </summary> | ||
| [Benchmark] | ||
| public void SignSpanWithArrayPoolRSA() | ||
| { | ||
| byte[] signature = ArrayPool<byte>.Shared.Rent(256); | ||
| _rsaAsymmetricAdapter.SignUsingSpan(_bytesToSign, signature.AsSpan(), out int size); | ||
| ArrayPool<byte>.Shared.Return(signature); | ||
| } | ||
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| /// <summary> | ||
| /// In this case, the user has created a SINGLE global buffer to hold the signature. | ||
| /// This is not a recommended approach, because the buffer will be reused and signatures will get mixed up. | ||
| /// Is used to illustrate that using the array pool is cheap. | ||
| /// Uses a new api available in .NET 5.0 + to provide the buffer to place the signature. | ||
| /// The size of the bytes written is returned in the out parameter, size. | ||
| /// </summary> | ||
| [Benchmark] | ||
| public void SignSpanWithFixedBufferRSA() | ||
| { | ||
| _rsaAsymmetricAdapter.SignUsingSpan(_bytesToSign, _signatureBuffer, out int size); | ||
| } | ||
| } | ||
| } | ||
| #endif |
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