using System;
using Org.BouncyCastle.Asn1.Cmp;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Utilities;

namespace Org.BouncyCastle.Asn1.Crmf;

public class PKMacValue : Asn1Encodable
{
	private readonly AlgorithmIdentifier algID;

	private readonly DerBitString macValue;

	public virtual AlgorithmIdentifier AlgID => algID;

	public virtual DerBitString MacValue => macValue;

	private PKMacValue(Asn1Sequence seq)
	{
		algID = AlgorithmIdentifier.GetInstance(seq[0]);
		macValue = DerBitString.GetInstance(seq[1]);
	}

	public static PKMacValue GetInstance(object obj)
	{
		if (obj is PKMacValue)
		{
			return (PKMacValue)obj;
		}
		if (obj is Asn1Sequence)
		{
			return new PKMacValue((Asn1Sequence)obj);
		}
		throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
	}

	public static PKMacValue GetInstance(Asn1TaggedObject obj, bool isExplicit)
	{
		return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit));
	}

	public PKMacValue(PbmParameter pbmParams, DerBitString macValue)
		: this(new AlgorithmIdentifier(CmpObjectIdentifiers.passwordBasedMac, pbmParams), macValue)
	{
	}

	public PKMacValue(AlgorithmIdentifier algID, DerBitString macValue)
	{
		this.algID = algID;
		this.macValue = macValue;
	}

	public override Asn1Object ToAsn1Object()
	{
		return new DerSequence(algID, macValue);
	}
}