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using System;
using System.Text;
namespace Org.BouncyCastle.Bcpg
{
/// <summary>
/// Represents revocation key OpenPGP signature sub packet.
/// </summary>
public class RevocationKey
: SignatureSubpacket
{
// 1 octet of class,
// 1 octet of public-key algorithm ID,
// 20 octets of fingerprint
public RevocationKey(
bool isCritical,
bool isLongLength,
byte[] data)
: base(SignatureSubpacketTag.RevocationKey, isCritical, isLongLength, data)
{
}
public RevocationKey(
bool isCritical,
RevocationKeyTag signatureClass,
PublicKeyAlgorithmTag keyAlgorithm,
byte[] fingerprint)
: base(SignatureSubpacketTag.RevocationKey, isCritical, false,
CreateData(signatureClass, keyAlgorithm, fingerprint))
{
}
private static byte[] CreateData(
RevocationKeyTag signatureClass,
PublicKeyAlgorithmTag keyAlgorithm,
byte[] fingerprint)
{
byte[] data = new byte[2 + fingerprint.Length];
data[0] = (byte)signatureClass;
data[1] = (byte)keyAlgorithm;
Array.Copy(fingerprint, 0, data, 2, fingerprint.Length);
return data;
}
public virtual RevocationKeyTag SignatureClass
{
get { return (RevocationKeyTag)this.GetData()[0]; }
}
public virtual PublicKeyAlgorithmTag Algorithm
{
get { return (PublicKeyAlgorithmTag)this.GetData()[1]; }
}
public virtual byte[] GetFingerprint()
{
byte[] data = this.GetData();
byte[] fingerprint = new byte[data.Length - 2];
Array.Copy(data, 2, fingerprint, 0, fingerprint.Length);
return fingerprint;
}
}
}
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