// <copyright file="Program.cs" company="ООО &quot;КРИПТО-ПРО&quot;">
// © ООО "КРИПТО-ПРО". Все права защищены.
// </copyright>

namespace PrintCertExtensions
{
    using System;
    using System.Security.Cryptography.X509Certificates;

    public static class Program
    {
        private const string Base64 = @"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";

        public static void Main(string[] args)
        {
            _ = args;

            using var cert = new X509Certificate2(Convert.FromBase64String(Base64));

            foreach (var ext in cert.Extensions)
            {
                Console.WriteLine($"OID: {ext.Oid.Value}");
                Console.WriteLine($"Имя: {ext.Oid.FriendlyName}");
                Console.WriteLine("Значение:");
                Console.WriteLine(ext.Format(multiLine: true));
                Console.WriteLine("-----------------");
            }
        }
    }
}