NotationData
using System;
using System.IO;
using System.Text;
namespace Org.BouncyCastle.Bcpg.Sig
{
public class NotationData : SignatureSubpacket
{
public const int HeaderFlagLength = 4;
public const int HeaderNameLength = 2;
public const int HeaderValueLength = 2;
public bool IsHumanReadable => (base.Data[0] & 128) != 0;
public NotationData(bool critical, bool isLongLength, byte[] data)
: base(SignatureSubpacketTag.NotationData, critical, isLongLength, data)
{
}
public NotationData(bool critical, bool humanReadable, string notationName, string notationValue)
: base(SignatureSubpacketTag.NotationData, critical, false, CreateData(humanReadable, notationName, notationValue))
{
}
private static byte[] CreateData(bool humanReadable, string notationName, string notationValue)
{
MemoryStream memoryStream = new MemoryStream();
memoryStream.WriteByte((byte)(humanReadable ? 128 : 0));
memoryStream.WriteByte(0);
memoryStream.WriteByte(0);
memoryStream.WriteByte(0);
byte[] array = null;
byte[] bytes = Encoding.UTF8.GetBytes(notationName);
int num = System.Math.Min(bytes.Length, 255);
array = Encoding.UTF8.GetBytes(notationValue);
int num2 = System.Math.Min(array.Length, 255);
memoryStream.WriteByte((byte)(num >> 8));
memoryStream.WriteByte((byte)num);
memoryStream.WriteByte((byte)(num2 >> 8));
memoryStream.WriteByte((byte)num2);
memoryStream.Write(bytes, 0, num);
memoryStream.Write(array, 0, num2);
return memoryStream.ToArray();
}
public string GetNotationName()
{
byte[] data = base.Data;
int count = (data[4] << 8) + data[5];
int index = 8;
return Encoding.UTF8.GetString(data, index, count);
}
public string GetNotationValue()
{
byte[] data = base.Data;
int num = (data[4] << 8) + data[5];
int count = (data[6] << 8) + data[7];
int index = 8 + num;
return Encoding.UTF8.GetString(data, index, count);
}
public byte[] GetNotationValueBytes()
{
byte[] data = base.Data;
int num = (data[4] << 8) + data[5];
int num2 = (data[6] << 8) + data[7];
int sourceIndex = 8 + num;
byte[] array = new byte[num2];
Array.Copy(data, sourceIndex, array, 0, num2);
return array;
}
}
}