SphincsPlusPrivateKey
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Utilities;
using System;
namespace Org.BouncyCastle.Pqc.Asn1
{
public sealed class SphincsPlusPrivateKey : Asn1Encodable
{
private readonly int m_version;
private readonly byte[] m_skseed;
private readonly byte[] m_skprf;
private readonly SphincsPlusPublicKey m_publicKey;
public SphincsPlusPublicKey PublicKey => m_publicKey;
public int Version => m_version;
public static SphincsPlusPrivateKey GetInstance(object obj)
{
if (obj == null)
return null;
SphincsPlusPrivateKey sphincsPlusPrivateKey = obj as SphincsPlusPrivateKey;
if (sphincsPlusPrivateKey != null)
return sphincsPlusPrivateKey;
return new SphincsPlusPrivateKey(Asn1Sequence.GetInstance(obj));
}
public static SphincsPlusPrivateKey GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return GetInstance(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
public SphincsPlusPrivateKey(int version, byte[] skseed, byte[] skprf)
: this(version, skseed, skprf, null)
{
}
public SphincsPlusPrivateKey(int version, byte[] skseed, byte[] skprf, SphincsPlusPublicKey publicKey)
{
m_version = version;
m_skseed = skseed;
m_skprf = skprf;
m_publicKey = publicKey;
}
private SphincsPlusPrivateKey(Asn1Sequence seq)
{
m_version = DerInteger.GetInstance(seq[0]).IntValueExact;
if (m_version != 0)
throw new ArgumentException("unrecognized version");
m_skseed = Arrays.Clone(Asn1OctetString.GetInstance(seq[1]).GetOctets());
m_skprf = Arrays.Clone(Asn1OctetString.GetInstance(seq[2]).GetOctets());
if (seq.Count == 4)
m_publicKey = SphincsPlusPublicKey.GetInstance(seq[3]);
}
public byte[] GetSkprf()
{
return Arrays.Clone(m_skprf);
}
public byte[] GetSkseed()
{
return Arrays.Clone(m_skseed);
}
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(4);
asn1EncodableVector.Add(new DerInteger(m_version));
asn1EncodableVector.Add(new DerOctetString(m_skseed));
asn1EncodableVector.Add(new DerOctetString(m_skprf));
if (m_publicKey != null)
asn1EncodableVector.Add(new SphincsPlusPublicKey(m_publicKey.GetPkseed(), m_publicKey.GetPkroot()));
return new DerSequence(asn1EncodableVector);
}
}
}