PbeS2Parameters
using Org.BouncyCastle.Asn1.X509;
using System;
namespace Org.BouncyCastle.Asn1.Pkcs
{
public class PbeS2Parameters : Asn1Encodable
{
private readonly KeyDerivationFunc m_func;
private readonly EncryptionScheme m_scheme;
public KeyDerivationFunc KeyDerivationFunc => m_func;
public EncryptionScheme EncryptionScheme => m_scheme;
public static PbeS2Parameters GetInstance(object obj)
{
if (obj == null)
return null;
PbeS2Parameters pbeS2Parameters = obj as PbeS2Parameters;
if (pbeS2Parameters != null)
return pbeS2Parameters;
return new PbeS2Parameters(Asn1Sequence.GetInstance(obj));
}
public static PbeS2Parameters GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new PbeS2Parameters(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
public static PbeS2Parameters GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new PbeS2Parameters(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
}
private PbeS2Parameters(Asn1Sequence seq)
{
int count = seq.Count;
if (count != 2)
throw new ArgumentException("Bad sequence size: " + count.ToString(), "seq");
AlgorithmIdentifier instance = AlgorithmIdentifier.GetInstance(seq[0]);
m_func = new KeyDerivationFunc(instance.Algorithm, instance.Parameters);
m_scheme = EncryptionScheme.GetInstance(seq[1]);
}
public PbeS2Parameters(KeyDerivationFunc keyDevFunc, EncryptionScheme encScheme)
{
if (keyDevFunc == null)
throw new ArgumentNullException("keyDevFunc");
m_func = keyDevFunc;
if (encScheme == null)
throw new ArgumentNullException("encScheme");
m_scheme = encScheme;
}
public override Asn1Object ToAsn1Object()
{
return new DerSequence(m_func, m_scheme);
}
}
}