init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/Cms/AuthEnvelopedData.cs

@@ -0,0 +1,112 @@
+using System;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.Cms;
+
+public class AuthEnvelopedData : Asn1Encodable
+{
+	private DerInteger version;
+
+	private OriginatorInfo originatorInfo;
+
+	private Asn1Set recipientInfos;
+
+	private EncryptedContentInfo authEncryptedContentInfo;
+
+	private Asn1Set authAttrs;
+
+	private Asn1OctetString mac;
+
+	private Asn1Set unauthAttrs;
+
+	public DerInteger Version => version;
+
+	public OriginatorInfo OriginatorInfo => originatorInfo;
+
+	public Asn1Set RecipientInfos => recipientInfos;
+
+	public EncryptedContentInfo AuthEncryptedContentInfo => authEncryptedContentInfo;
+
+	public Asn1Set AuthAttrs => authAttrs;
+
+	public Asn1OctetString Mac => mac;
+
+	public Asn1Set UnauthAttrs => unauthAttrs;
+
+	public AuthEnvelopedData(OriginatorInfo originatorInfo, Asn1Set recipientInfos, EncryptedContentInfo authEncryptedContentInfo, Asn1Set authAttrs, Asn1OctetString mac, Asn1Set unauthAttrs)
+	{
+		version = new DerInteger(0);
+		this.originatorInfo = originatorInfo;
+		this.recipientInfos = recipientInfos;
+		this.authEncryptedContentInfo = authEncryptedContentInfo;
+		this.authAttrs = authAttrs;
+		this.mac = mac;
+		this.unauthAttrs = unauthAttrs;
+	}
+
+	private AuthEnvelopedData(Asn1Sequence seq)
+	{
+		int num = 0;
+		Asn1Object asn1Object = seq[num++].ToAsn1Object();
+		version = (DerInteger)asn1Object;
+		asn1Object = seq[num++].ToAsn1Object();
+		if (asn1Object is Asn1TaggedObject)
+		{
+			originatorInfo = OriginatorInfo.GetInstance((Asn1TaggedObject)asn1Object, explicitly: false);
+			asn1Object = seq[num++].ToAsn1Object();
+		}
+		recipientInfos = Asn1Set.GetInstance(asn1Object);
+		asn1Object = seq[num++].ToAsn1Object();
+		authEncryptedContentInfo = EncryptedContentInfo.GetInstance(asn1Object);
+		asn1Object = seq[num++].ToAsn1Object();
+		if (asn1Object is Asn1TaggedObject)
+		{
+			authAttrs = Asn1Set.GetInstance((Asn1TaggedObject)asn1Object, explicitly: false);
+			asn1Object = seq[num++].ToAsn1Object();
+		}
+		mac = Asn1OctetString.GetInstance(asn1Object);
+		if (seq.Count > num)
+		{
+			asn1Object = seq[num++].ToAsn1Object();
+			unauthAttrs = Asn1Set.GetInstance((Asn1TaggedObject)asn1Object, explicitly: false);
+		}
+	}
+
+	public static AuthEnvelopedData GetInstance(Asn1TaggedObject obj, bool isExplicit)
+	{
+		return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit));
+	}
+
+	public static AuthEnvelopedData GetInstance(object obj)
+	{
+		if (obj == null || obj is AuthEnvelopedData)
+		{
+			return (AuthEnvelopedData)obj;
+		}
+		if (obj is Asn1Sequence)
+		{
+			return new AuthEnvelopedData((Asn1Sequence)obj);
+		}
+		throw new ArgumentException("Invalid AuthEnvelopedData: " + Platform.GetTypeName(obj));
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(version);
+		if (originatorInfo != null)
+		{
+			asn1EncodableVector.Add(new DerTaggedObject(explicitly: false, 0, originatorInfo));
+		}
+		asn1EncodableVector.Add(recipientInfos, authEncryptedContentInfo);
+		if (authAttrs != null)
+		{
+			asn1EncodableVector.Add(new DerTaggedObject(explicitly: false, 1, authAttrs));
+		}
+		asn1EncodableVector.Add(mac);
+		if (unauthAttrs != null)
+		{
+			asn1EncodableVector.Add(new DerTaggedObject(explicitly: false, 2, unauthAttrs));
+		}
+		return new BerSequence(asn1EncodableVector);
+	}
+}