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scottbrady91scottbrady91
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Initial working version using Sodium.Core. Options TODO
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‎ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 15
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher", "src\ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher\ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.csproj", "{294FB442-6D65-445D-9639-B0D8103509AE}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.Tests", "test\ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.Tests\ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.Tests.csproj", "{DEB0A55A-EDE3-49C7-9D9A-2676CDCD7B9A}"
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‎src/ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher/ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netstandard2.0</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.Extensions.Identity.Core" Version="2.0.0" />
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<PackageReference Include="Scrypt.NET" Version="1.3.0" />
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</ItemGroup>
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</Project>

‎src/ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher/ScryptPasswordHasher.cs

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using System;
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using Microsoft.AspNetCore.Identity;
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using Scrypt;
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namespace ScottBrady91.AspNetCore.Identity
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{
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public class ScryptPasswordHasher<TUser> : IPasswordHasher<TUser> where TUser : class
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{
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public string HashPassword(TUser user, string password)
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{
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if (password == null) throw new ArgumentNullException(nameof(password));
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var encoder = new ScryptEncoder();
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return encoder.Encode(password);
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}
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public PasswordVerificationResult VerifyHashedPassword(TUser user, string hashedPassword, string providedPassword)
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{
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if (hashedPassword == null) throw new ArgumentNullException(nameof(hashedPassword));
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if (providedPassword == null) throw new ArgumentNullException(nameof(providedPassword));
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var encoder = new ScryptEncoder();
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var isValid = encoder.Compare(providedPassword, hashedPassword);
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return isValid ? PasswordVerificationResult.Success : PasswordVerificationResult.Failed;
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}
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}
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}

‎test/ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.Tests/ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.Tests.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netcoreapp2.0</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="FluentAssertions" Version="4.19.4" />
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<PackageReference Include="xunit" Version="2.3.0" />
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<PackageReference Include="xunit.runner.visualstudio" Version="2.3.0" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\src\ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher\ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.csproj" />
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</ItemGroup>
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</Project>

‎test/ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.Tests/ScryptPasswordHasherTests.cs

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using System;
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using FluentAssertions;
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using Microsoft.AspNetCore.Identity;
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using Scrypt;
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using Xunit;
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namespace ScottBrady91.AspNetCore.Identity.ScryptPasswordHasher.Tests
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{
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public class ScryptPasswordHasherTests
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{
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[Fact]
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public void HashPassword_WithDefaultSettings_ExpectVerifiableHash()
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{
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var password = Guid.NewGuid().ToString();
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var hasher = new ScryptPasswordHasher<string>();
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var hashedPassword = hasher.HashPassword("", password);
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var encoder = new ScryptEncoder();
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encoder.Compare(password, hashedPassword).Should().BeTrue();
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}
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[Fact]
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public void VerifyHashedPassword_WithDefaultSettings_ExpectSuccess()
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{
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var password = Guid.NewGuid().ToString();
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var encoder = new ScryptEncoder();
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var hashedPassword = encoder.Encode(password);
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var hasher = new ScryptPasswordHasher<string>();
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hasher.VerifyHashedPassword("", hashedPassword, password).Should().Be(PasswordVerificationResult.Success);
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}
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[Fact]
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public void VerifyHashedPassword_WhenSuppliedPasswordDoesNotMatch_ExpectFailure()
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{
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var password = Guid.NewGuid().ToString();
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var encoder = new ScryptEncoder();
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var hashedPassword = encoder.Encode(Guid.NewGuid().ToString());
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var hasher = new ScryptPasswordHasher<string>();
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hasher.VerifyHashedPassword("", hashedPassword, password).Should().Be(PasswordVerificationResult.Failed);
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}
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}
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}

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