using System;

namespace Org.BouncyCastle.Asn1.Misc;

public class IdeaCbcPar : Asn1Encodable
{
	internal Asn1OctetString iv;

	public static IdeaCbcPar GetInstance(object o)
	{
		if (o is IdeaCbcPar)
		{
			return (IdeaCbcPar)o;
		}
		if (o is Asn1Sequence)
		{
			return new IdeaCbcPar((Asn1Sequence)o);
		}
		throw new ArgumentException("unknown object in IDEACBCPar factory");
	}

	public IdeaCbcPar(byte[] iv)
	{
		this.iv = new DerOctetString(iv);
	}

	private IdeaCbcPar(Asn1Sequence seq)
	{
		if (seq.Count == 1)
		{
			iv = (Asn1OctetString)seq[0];
		}
	}

	public byte[] GetIV()
	{
		if (iv != null)
		{
			return iv.GetOctets();
		}
		return null;
	}

	public override Asn1Object ToAsn1Object()
	{
		Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector();
		if (iv != null)
		{
			asn1EncodableVector.Add(iv);
		}
		return new DerSequence(asn1EncodableVector);
	}
}