crypto/src/asn1/cms/ecc/MQVuserKeyingMaterial.cs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

using System;

using Org.BouncyCastle.Utilities;

namespace Org.BouncyCastle.Asn1.Cms.Ecc
{
	public class MQVuserKeyingMaterial
		: Asn1Encodable
	{
        public static MQVuserKeyingMaterial GetInstance(object obj)
        {
			if (obj == null)
				return null;
			if (obj is MQVuserKeyingMaterial mqvUserKeyingMaterial)
				return mqvUserKeyingMaterial;
            return new MQVuserKeyingMaterial(Asn1Sequence.GetInstance(obj));
        }

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

        private OriginatorPublicKey	ephemeralPublicKey;
		private Asn1OctetString		addedukm;

		public MQVuserKeyingMaterial(
			OriginatorPublicKey	ephemeralPublicKey,
			Asn1OctetString		addedukm)
		{
			// TODO Check ephemeralPublicKey not null

			this.ephemeralPublicKey = ephemeralPublicKey;
			this.addedukm = addedukm;
		}

		private MQVuserKeyingMaterial(
			Asn1Sequence seq)
		{
			// TODO Check seq has either 1 or 2 elements

			this.ephemeralPublicKey = OriginatorPublicKey.GetInstance(seq[0]);

			if (seq.Count > 1)
			{
				this.addedukm = Asn1OctetString.GetInstance(
					(Asn1TaggedObject)seq[1], true);
			}
		}

        public OriginatorPublicKey EphemeralPublicKey
		{
			get { return ephemeralPublicKey; }
		}

		public Asn1OctetString AddedUkm
		{
			get { return addedukm; }
		}

		/**
		* Produce an object suitable for an Asn1OutputStream.
		* <pre>
		* MQVuserKeyingMaterial ::= SEQUENCE {
		*   ephemeralPublicKey OriginatorPublicKey,
		*   addedukm [0] EXPLICIT UserKeyingMaterial OPTIONAL  }
		* </pre>
		*/
		public override Asn1Object ToAsn1Object()
		{
			Asn1EncodableVector v = new Asn1EncodableVector(ephemeralPublicKey);
            v.AddOptionalTagged(true, 0, addedukm);
			return new DerSequence(v);
		}
	}
}