77 lines
1.8 KiB
C#
77 lines
1.8 KiB
C#
using System.IO;
|
|
|
|
namespace Org.BouncyCastle.Bcpg
|
|
{
|
|
/// <remarks>Basic type for a PGP Signature sub-packet.</remarks>
|
|
public class SignatureSubpacket
|
|
{
|
|
private readonly SignatureSubpacketTag type;
|
|
private readonly bool critical;
|
|
|
|
internal readonly byte[] data;
|
|
|
|
protected internal SignatureSubpacket(
|
|
SignatureSubpacketTag type,
|
|
bool critical,
|
|
byte[] data)
|
|
{
|
|
this.type = type;
|
|
this.critical = critical;
|
|
this.data = data;
|
|
}
|
|
|
|
public SignatureSubpacketTag SubpacketType
|
|
{
|
|
get { return type; }
|
|
}
|
|
|
|
public bool IsCritical()
|
|
{
|
|
return critical;
|
|
}
|
|
|
|
/// <summary>Return the generic data making up the packet.</summary>
|
|
public byte[] GetData()
|
|
{
|
|
return (byte[]) data.Clone();
|
|
}
|
|
|
|
public void Encode(
|
|
Stream os)
|
|
{
|
|
int bodyLen = data.Length + 1;
|
|
|
|
if (bodyLen < 192)
|
|
{
|
|
os.WriteByte((byte)bodyLen);
|
|
}
|
|
else if (bodyLen <= 8383)
|
|
{
|
|
bodyLen -= 192;
|
|
|
|
os.WriteByte((byte)(((bodyLen >> 8) & 0xff) + 192));
|
|
os.WriteByte((byte)bodyLen);
|
|
}
|
|
else
|
|
{
|
|
os.WriteByte(0xff);
|
|
os.WriteByte((byte)(bodyLen >> 24));
|
|
os.WriteByte((byte)(bodyLen >> 16));
|
|
os.WriteByte((byte)(bodyLen >> 8));
|
|
os.WriteByte((byte)bodyLen);
|
|
}
|
|
|
|
if (critical)
|
|
{
|
|
os.WriteByte((byte)(0x80 | (int) type));
|
|
}
|
|
else
|
|
{
|
|
os.WriteByte((byte) type);
|
|
}
|
|
|
|
os.Write(data, 0, data.Length);
|
|
}
|
|
}
|
|
}
|