using System;

using System.IO;

using YamlDotNet.Core;

using YamlDotNet.Serialization;

public class Program

{

    public static void Main()

    {

        // Deserialization

        var deserializer = new Deserializer();

        deserializer.RegisterTagMapping("tag:yaml.org,2002:binary", typeof(byte[]));

        deserializer.RegisterTypeConverter(new ByteArrayConverter());

        var bytes = deserializer.Deserialize<byte[]>(new StringReader("!!binary AQID"));

        bytes.Dump();

        // Serialization

        var serializer = new Serializer();

        serializer.RegisterTypeConverter(new ByteArrayConverter());

        serializer.Serialize(Console.Out, new

        {

            binary = new byte[] { 1, 2, 3 }

        });

    }

    public class ByteArrayConverter : IYamlTypeConverter

    {

        public bool Accepts(Type type)

        {

            return type == typeof(byte[]);

        }

​

        public object ReadYaml(IParser parser, Type type)

        {

            var scalar = (YamlDotNet.Core.Events.Scalar)parser.Current;

            var bytes = Convert.FromBase64String(scalar.Value);

            parser.MoveNext();

            return bytes;

        }

​

        public void WriteYaml(IEmitter emitter, object value, Type type)

        {

            var bytes = (byte[])value;

            emitter.Emit(new YamlDotNet.Core.Events.Scalar(

                null,

                "tag:yaml.org,2002:binary",

                Convert.ToBase64String(bytes),

                ScalarStyle.Plain,

                false,

                false

            ));

        }

    }

​

}