You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.3 KiB
60 lines
1.3 KiB
using System;
|
|
using System.Collections;
|
|
|
|
using Org.BouncyCastle.Math;
|
|
using Org.BouncyCastle.Utilities;
|
|
|
|
namespace Org.BouncyCastle.Asn1.Pkcs
|
|
{
|
|
public class PbeParameter
|
|
: Asn1Encodable
|
|
{
|
|
private readonly Asn1OctetString salt;
|
|
private readonly DerInteger iterationCount;
|
|
|
|
public static PbeParameter GetInstance(object obj)
|
|
{
|
|
if (obj is PbeParameter || obj == null)
|
|
{
|
|
return (PbeParameter) obj;
|
|
}
|
|
|
|
if (obj is Asn1Sequence)
|
|
{
|
|
return new PbeParameter((Asn1Sequence) obj);
|
|
}
|
|
|
|
throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
|
|
}
|
|
|
|
private PbeParameter(Asn1Sequence seq)
|
|
{
|
|
if (seq.Count != 2)
|
|
throw new ArgumentException("Wrong number of elements in sequence", "seq");
|
|
|
|
salt = Asn1OctetString.GetInstance(seq[0]);
|
|
iterationCount = DerInteger.GetInstance(seq[1]);
|
|
}
|
|
|
|
public PbeParameter(byte[] salt, int iterationCount)
|
|
{
|
|
this.salt = new DerOctetString(salt);
|
|
this.iterationCount = new DerInteger(iterationCount);
|
|
}
|
|
|
|
public byte[] GetSalt()
|
|
{
|
|
return salt.GetOctets();
|
|
}
|
|
|
|
public BigInteger IterationCount
|
|
{
|
|
get { return iterationCount.Value; }
|
|
}
|
|
|
|
public override Asn1Object ToAsn1Object()
|
|
{
|
|
return new DerSequence(salt, iterationCount);
|
|
}
|
|
}
|
|
}
|
|
|