/// <summary>
/// Converts the JWKs to a list of <see cref="RSACryptoServiceProvider"/>.
/// The JWKs are being downloaded directly from the link provided in
/// the OIDC Discovery Document.
/// </summary>
/// <returns>List of RSACryptoServiceProviders</returns>
private static List <RSACryptoServiceProvider> GetRSACryptoServiceProvider()
{
JsonWebKeyIndex jsonWebKeyIndex = WebClientUtility.GetJsonWebKeyIndex();
List <RSACryptoServiceProvider> providers = new List <RSACryptoServiceProvider>();
jsonWebKeyIndex.Keys.ForEach(jsonWebToken =>
{
RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
provider.ImportParameters(new RSAParameters
{
Exponent = ConversionUtility.Base64UrlDecode(jsonWebToken.Exponent),
Modulus = ConversionUtility.Base64UrlDecode(jsonWebToken.Modulus)
});
providers.Add(provider);
});
return(providers);
}