54 lines
1.2 KiB
C#
54 lines
1.2 KiB
C#
using System;
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using Org.BouncyCastle.Math;
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using Org.BouncyCastle.Utilities;
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namespace Org.BouncyCastle.Asn1.Pkcs;
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public class PbeParameter : Asn1Encodable
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{
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private readonly Asn1OctetString salt;
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private readonly DerInteger iterationCount;
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public BigInteger IterationCount => iterationCount.Value;
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public static PbeParameter GetInstance(object obj)
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{
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if (obj is PbeParameter || obj == null)
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{
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return (PbeParameter)obj;
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}
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if (obj is Asn1Sequence)
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{
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return new PbeParameter((Asn1Sequence)obj);
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}
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throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
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}
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private PbeParameter(Asn1Sequence seq)
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{
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if (seq.Count != 2)
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{
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throw new ArgumentException("Wrong number of elements in sequence", "seq");
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}
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salt = Asn1OctetString.GetInstance(seq[0]);
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iterationCount = DerInteger.GetInstance(seq[1]);
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}
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public PbeParameter(byte[] salt, int iterationCount)
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{
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this.salt = new DerOctetString(salt);
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this.iterationCount = new DerInteger(iterationCount);
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}
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public byte[] GetSalt()
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{
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return salt.GetOctets();
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}
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public override Asn1Object ToAsn1Object()
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{
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return new DerSequence(salt, iterationCount);
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}
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}
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