IdentityShroud/IdentityShroud.Core.Tests/Security/Jwt/RsaJwtSignerTests.cs

using System.Security.Cryptography;
using IdentityShroud.Core.Contracts;
using IdentityShroud.Core.Model;
using IdentityShroud.Core.Security;
using IdentityShroud.Core.Security.Keys;
using IdentityShroud.Core.Services;

namespace IdentityShroud.Core.Tests.Security.Jwt;

public class RsaJwtSignerTests
{
    [Fact]
    public void Test()
    {
        // ISecretProvider secretProvider = Substitute.For<ISecretProvider>();
        // RealmSigningKey privateKey = new()
        // {
        //     Id = default,
        //     KeyType = KeyType.RSA,
        //     Key = new EncryptedDek(KekId.NewId(), [1]),
        //     CreatedAt = default,
        //     RevokedAt = null,
        //     Priority = 0,
        //     PublicKeyParameters = null
        // };
        DecryptedSigningKey key = new();
        byte[] jwt = [];

        RsaJwtSigner provider = new();
        provider.CalculateSignature(JwtSigAlgName.RS256, key, jwt);
        //
        // new DekEncryptionService(secretProvider), privateKey,
        //     JwtSigAlgName.RS256);
    }

    [Theory]
    [InlineData(1024)]
    [InlineData(2048)]
    [InlineData(4096)]
    public void EstimateKeySizeTests(int keySizeBits)
    {
        using var rsa = RSA.Create();
        rsa.KeySize = keySizeBits;
        byte[] b = rsa.ExportPkcs8PrivateKey();
        int estimate = DecryptedSigningKey.EstimatePkcs8ExportSize(keySizeBits);
        Assert.True(b.Length < estimate - 100);
    }
}