init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/X509/ObjectDigestInfo.cs

@@ -0,0 +1,86 @@
+using System;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.X509;
+
+public class ObjectDigestInfo : Asn1Encodable
+{
+	public const int PublicKey = 0;
+
+	public const int PublicKeyCert = 1;
+
+	public const int OtherObjectDigest = 2;
+
+	internal readonly DerEnumerated digestedObjectType;
+
+	internal readonly DerObjectIdentifier otherObjectTypeID;
+
+	internal readonly AlgorithmIdentifier digestAlgorithm;
+
+	internal readonly DerBitString objectDigest;
+
+	public DerEnumerated DigestedObjectType => digestedObjectType;
+
+	public DerObjectIdentifier OtherObjectTypeID => otherObjectTypeID;
+
+	public AlgorithmIdentifier DigestAlgorithm => digestAlgorithm;
+
+	public DerBitString ObjectDigest => objectDigest;
+
+	public static ObjectDigestInfo GetInstance(object obj)
+	{
+		if (obj == null || obj is ObjectDigestInfo)
+		{
+			return (ObjectDigestInfo)obj;
+		}
+		if (obj is Asn1Sequence)
+		{
+			return new ObjectDigestInfo((Asn1Sequence)obj);
+		}
+		throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
+	}
+
+	public static ObjectDigestInfo GetInstance(Asn1TaggedObject obj, bool isExplicit)
+	{
+		return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit));
+	}
+
+	public ObjectDigestInfo(int digestedObjectType, string otherObjectTypeID, AlgorithmIdentifier digestAlgorithm, byte[] objectDigest)
+	{
+		this.digestedObjectType = new DerEnumerated(digestedObjectType);
+		if (digestedObjectType == 2)
+		{
+			this.otherObjectTypeID = new DerObjectIdentifier(otherObjectTypeID);
+		}
+		this.digestAlgorithm = digestAlgorithm;
+		this.objectDigest = new DerBitString(objectDigest);
+	}
+
+	private ObjectDigestInfo(Asn1Sequence seq)
+	{
+		if (seq.Count > 4 || seq.Count < 3)
+		{
+			throw new ArgumentException("Bad sequence size: " + seq.Count);
+		}
+		digestedObjectType = DerEnumerated.GetInstance(seq[0]);
+		int num = 0;
+		if (seq.Count == 4)
+		{
+			otherObjectTypeID = DerObjectIdentifier.GetInstance(seq[1]);
+			num++;
+		}
+		digestAlgorithm = AlgorithmIdentifier.GetInstance(seq[1 + num]);
+		objectDigest = DerBitString.GetInstance(seq[2 + num]);
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(digestedObjectType);
+		if (otherObjectTypeID != null)
+		{
+			asn1EncodableVector.Add(otherObjectTypeID);
+		}
+		asn1EncodableVector.Add(digestAlgorithm, objectDigest);
+		return new DerSequence(asn1EncodableVector);
+	}
+}