SphincsPlusPrivateKey
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Utilities;
using System;
namespace Org.BouncyCastle.Pqc.Asn1
{
[Obsolete("Use SLH-DSA instead")]
public sealed class SphincsPlusPrivateKey : Asn1Encodable
{
private readonly DerInteger m_version;
private readonly Asn1OctetString m_skseed;
private readonly Asn1OctetString m_skprf;
private readonly SphincsPlusPublicKey m_publicKey;
public SphincsPlusPublicKey PublicKey => m_publicKey;
public int Version => m_version.IntValueExact;
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 new SphincsPlusPrivateKey(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
public static SphincsPlusPrivateKey GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SphincsPlusPrivateKey(Asn1Sequence.GetTagged(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 = new DerInteger(version);
m_skseed = DerOctetString.FromContents(skseed);
m_skprf = DerOctetString.FromContents(skprf);
m_publicKey = publicKey;
}
private SphincsPlusPrivateKey(Asn1Sequence seq)
{
int count = seq.Count;
int sequencePosition = 0;
if (count < 3 || count > 4)
throw new ArgumentException("Bad sequence size: " + count.ToString(), "seq");
m_version = DerInteger.GetInstance(seq[sequencePosition++]);
m_skseed = Asn1OctetString.GetInstance(seq[sequencePosition++]);
m_skprf = Asn1OctetString.GetInstance(seq[sequencePosition++]);
m_publicKey = Asn1Utilities.ReadOptional(seq, ref sequencePosition, SphincsPlusPublicKey.GetOptional);
if (sequencePosition != count)
throw new ArgumentException("Unexpected elements in sequence", "seq");
if (!m_version.HasValue(0))
throw new Exception("unrecognized version");
}
public byte[] GetSkprf()
{
return Arrays.Clone(m_skprf.GetOctets());
}
public byte[] GetSkseed()
{
return Arrays.Clone(m_skseed.GetOctets());
}
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(4);
asn1EncodableVector.Add(m_version, m_skseed, m_skprf);
asn1EncodableVector.AddOptional(m_publicKey);
return new DerSequence(asn1EncodableVector);
}
}
}