Signing configurations for tokens of JWT API.

SigningConfigurations.cs

public class SigningConfigurations
{
    public SecurityKey Key { get; }
    public SigningCredentials SigningCredentials { get; }

    public SigningConfigurations()
    {
        using(var provider = new RSACryptoServiceProvider(2048))
        {
            Key = new RsaSecurityKey(provider.ExportParameters(true));
        }

        SigningCredentials = new SigningCredentials(Key, SecurityAlgorithms.RsaSha256Signature);
    }
}