init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/Ocsp/Signature.cs

@@ -0,0 +1,83 @@
+using System;
+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.Ocsp;
+
+public class Signature : Asn1Encodable
+{
+	internal AlgorithmIdentifier signatureAlgorithm;
+
+	internal DerBitString signatureValue;
+
+	internal Asn1Sequence certs;
+
+	public AlgorithmIdentifier SignatureAlgorithm => signatureAlgorithm;
+
+	public DerBitString SignatureValue => signatureValue;
+
+	public Asn1Sequence Certs => certs;
+
+	public static Signature GetInstance(Asn1TaggedObject obj, bool explicitly)
+	{
+		return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
+	}
+
+	public static Signature GetInstance(object obj)
+	{
+		if (obj == null || obj is Signature)
+		{
+			return (Signature)obj;
+		}
+		if (obj is Asn1Sequence)
+		{
+			return new Signature((Asn1Sequence)obj);
+		}
+		throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
+	}
+
+	public Signature(AlgorithmIdentifier signatureAlgorithm, DerBitString signatureValue)
+		: this(signatureAlgorithm, signatureValue, null)
+	{
+	}
+
+	public Signature(AlgorithmIdentifier signatureAlgorithm, DerBitString signatureValue, Asn1Sequence certs)
+	{
+		if (signatureAlgorithm == null)
+		{
+			throw new ArgumentException("signatureAlgorithm");
+		}
+		if (signatureValue == null)
+		{
+			throw new ArgumentException("signatureValue");
+		}
+		this.signatureAlgorithm = signatureAlgorithm;
+		this.signatureValue = signatureValue;
+		this.certs = certs;
+	}
+
+	private Signature(Asn1Sequence seq)
+	{
+		signatureAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]);
+		signatureValue = (DerBitString)seq[1];
+		if (seq.Count == 3)
+		{
+			certs = Asn1Sequence.GetInstance((Asn1TaggedObject)seq[2], explicitly: true);
+		}
+	}
+
+	public byte[] GetSignatureOctets()
+	{
+		return signatureValue.GetOctets();
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(signatureAlgorithm, signatureValue);
+		if (certs != null)
+		{
+			asn1EncodableVector.Add(new DerTaggedObject(explicitly: true, 0, certs));
+		}
+		return new DerSequence(asn1EncodableVector);
+	}
+}