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using System;
using System.Text;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Bcpg
{
/// <summary>
/// Represents revocation reason OpenPGP signature sub packet.
/// </summary>
public class RevocationReason
: SignatureSubpacket
{
public RevocationReason(bool isCritical, bool isLongLength, byte[] data)
: base(SignatureSubpacketTag.RevocationReason, isCritical, isLongLength, data)
{
}
public RevocationReason(
bool isCritical,
RevocationReasonTag reason,
string description)
: base(SignatureSubpacketTag.RevocationReason, isCritical, false, CreateData(reason, description))
{
}
private static byte[] CreateData(
RevocationReasonTag reason,
string description)
{
byte[] descriptionBytes = Strings.ToUtf8ByteArray(description);
byte[] data = new byte[1 + descriptionBytes.Length];
data[0] = (byte)reason;
Array.Copy(descriptionBytes, 0, data, 1, descriptionBytes.Length);
return data;
}
public virtual RevocationReasonTag GetRevocationReason()
{
return (RevocationReasonTag)GetData()[0];
}
public virtual string GetRevocationDescription()
{
byte[] data = GetData();
if (data.Length == 1)
{
return string.Empty;
}
byte[] description = new byte[data.Length - 1];
Array.Copy(data, 1, description, 0, description.Length);
return Strings.FromUtf8ByteArray(description);
}
}
}
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