using System;

using System.Text;

​

using Org.BouncyCastle.Utilities.IO.Pem;

using System.IO;

using System.Text.Encodings;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Test();

    }

​

    public static void Test()

    {

        var pk = @"-----BEGIN PRIVATE KEY-----

MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQC6sPt63CI/Cs6H

ElK7Jt+l4rrikA0f0rCDw+uaiM3JfQY2JnSOgq5/k5m1f/9osoQmpqM9HFDGiBw3

b4n67Ol4CXTB8085xv47iup+huKRqRv5TJRr1ckMHLIE1S8mHXVCNYyb+lwa86MT

xlK1bZtgqS5+f3aDsXbEBIw7ZHwXssUAIoYjGtw8d0zejHj63/2aWIg+9BhZhrfZ

jl/pm8L1oxx2/ZmDbfqIzeo+12FlM+wy7qcHfXp+SpL8g53E5U2j1GEyQifmJyjt

VowBubViVTvlf6jRDTHn4IlMitR3+8qKGqg/UU8ttnQrYQl9hyLL9Ida3+aRISwm

/BlKjJm1AgMBAAECggEAMhuKg+FNt8n4wLwkRGMcp/OA4Yp0W1Q7WEJfnCyXvzq1

ThdoNU/R8h/1o4dlT/6KBa24JpDRBVhG6oIfcJ/h0fwHwH7DhuhoGCci5S7i5OGU

xobNV1wcCAozpaRqcTp63Hhu8vZxfjJiVM5oKJXwnDMMbZtcfeBF1jq6QL6pp9o4

JRN/sKebW2NxRcfn3lqU49YtL4cXp9noNyisb5cF9DnWU8UpWoFarHmUXJhAKfX4

cTzPDRTivcfbfllPcdAgVJllJ4AGeoA7WsJqq3hLcjIxJCxFpS7DgzyvZP34VEXB

Ee7HGiOWnp0iwsu/CPgtLuf43gHOuuJtMjgjupKGCQKBgQDiWhxlLkc5wbQlIyJw

xgnQ9LAU2+m5+Wk80KkbD8eG9bU7tf/7eQu/EZg/74X4lUx8J3LWJ+sP1BkLC73k

pmS4nQ7tLngQAE7bYpkHdK2B6wvbq+jW+u1zKsm2DQ3GLfLSbjD2rEQwtlwDAHp/

TNkaeQGuYrqtUw9M8cIq2mIiBwKBgQDTJP7tlFiCkDPv22pMk3VYTVwO0y/8w7K2

qQ+Y2eUnBjC6zbBhAdDaP9CBNSQ5P1rBaWUqhp7ZHi2NycG1lK9MKPKLURxZ71pM

gj6HwSLN37NHRkncuwTeaFNNICYmnpdI+V1SjesU1CbBnx6EETJwqJDgCvBiAw1b

7IaK/yrHYwKBgHb0uHuMSK5X2F60CkOOMFZ6YZd0w26TXvUxC85HCqsosihBS9hT

ExNFIehn7tZnUBzndniJ3gUhiE+/yfpCYCiNkeygQUTXhJnTRW0fqpfeeQrnW6Sv

lt6xm/RrA9QlDbn9YwogGm4nSE/jjn0cW/SHp5SIGmdAgYgEffCbeHs9AoGBALnA

J0FtKzyZjgdqWSbK5wXq8JzeL65Hn9ZP/reyoYTmTkJYp91/knQehdjVnmt6j+Xt

SaHS0rYhdWPyZabQCjOPJmlnzvBTwHXkcwxM3ciODxMaA+ra4Jqk3vvP16BMDr2V

GwOAdJpbVUkrKdZ3po8zzFg9Z2JiWwNOnsJzXvgPAoGATRtz6qJCWP9cufiCe47j

if89yORugCRSlpovLW9batFOQDW4UkS/Jv9mbG1fXOYYkWkkl0dVBB09B6x7IFab

j/rxXnZQ/ceuLnqdrNNcvcpqLTpwrZMPqeysWbSBtSxT1ueVfptuWHpyYxQJ0OFg

0gIDrHeqnYFXosMaTcOU0q8=

-----END PRIVATE KEY-----";

        using (var reader = new StringReader(pk) )

        {

            var pemReader = new PemReader(reader);

            var pemObject = pemReader.ReadPemObject();

            if ( pemObject == null) {

                Console.WriteLine("No PEM");

            }

            else {

                // Process the pemObject as needed

                Console.WriteLine(pemObject.Type);

            }

        }

    }

}

​

​

​