SubjectPublicKeyInfo
using System;
namespace Org.BouncyCastle.Asn1.X509
{
public class SubjectPublicKeyInfo : Asn1Encodable
{
private readonly AlgorithmIdentifier m_algorithm;
private readonly DerBitString m_publicKey;
public AlgorithmIdentifier Algorithm => m_algorithm;
[Obsolete("Use 'Algorithm' instead")]
public AlgorithmIdentifier AlgorithmID {
get {
return m_algorithm;
}
}
public DerBitString PublicKey => m_publicKey;
[Obsolete("Use 'PublicKey' instead")]
public DerBitString PublicKeyData {
get {
return m_publicKey;
}
}
public static SubjectPublicKeyInfo GetInstance(object obj)
{
if (obj == null)
return null;
SubjectPublicKeyInfo subjectPublicKeyInfo = obj as SubjectPublicKeyInfo;
if (subjectPublicKeyInfo != null)
return subjectPublicKeyInfo;
return new SubjectPublicKeyInfo(Asn1Sequence.GetInstance(obj));
}
public static SubjectPublicKeyInfo GetInstance(Asn1TaggedObject obj, bool explicitly)
{
return new SubjectPublicKeyInfo(Asn1Sequence.GetInstance(obj, explicitly));
}
public static SubjectPublicKeyInfo GetOptional(Asn1Encodable element)
{
if (element == null)
throw new ArgumentNullException("element");
SubjectPublicKeyInfo subjectPublicKeyInfo = element as SubjectPublicKeyInfo;
if (subjectPublicKeyInfo != null)
return subjectPublicKeyInfo;
Asn1Sequence optional = Asn1Sequence.GetOptional(element);
if (optional != null)
return new SubjectPublicKeyInfo(optional);
return null;
}
public static SubjectPublicKeyInfo GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SubjectPublicKeyInfo(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
}
public SubjectPublicKeyInfo(AlgorithmIdentifier algID, DerBitString publicKey)
{
m_algorithm = algID;
m_publicKey = publicKey;
}
public SubjectPublicKeyInfo(AlgorithmIdentifier algID, Asn1Encodable publicKey)
{
m_algorithm = algID;
m_publicKey = new DerBitString(publicKey);
}
public SubjectPublicKeyInfo(AlgorithmIdentifier algID, byte[] publicKey)
{
m_algorithm = algID;
m_publicKey = new DerBitString(publicKey);
}
private SubjectPublicKeyInfo(Asn1Sequence seq)
{
int count = seq.Count;
if (count != 2)
throw new ArgumentException("Bad sequence size: " + count.ToString(), "seq");
m_algorithm = AlgorithmIdentifier.GetInstance(seq[0]);
m_publicKey = DerBitString.GetInstance(seq[1]);
}
public Asn1Object ParsePublicKey()
{
return Asn1Object.FromMemoryStream(m_publicKey.GetOctetMemoryStream());
}
public override Asn1Object ToAsn1Object()
{
return new DerSequence(m_algorithm, m_publicKey);
}
}
}