init commit

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

@@ -0,0 +1,59 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.X509;
+
+public class AttributeCertificate : Asn1Encodable
+{
+	private readonly AttributeCertificateInfo acinfo;
+
+	private readonly AlgorithmIdentifier signatureAlgorithm;
+
+	private readonly DerBitString signatureValue;
+
+	public AttributeCertificateInfo ACInfo => acinfo;
+
+	public AlgorithmIdentifier SignatureAlgorithm => signatureAlgorithm;
+
+	public DerBitString SignatureValue => signatureValue;
+
+	public static AttributeCertificate GetInstance(object obj)
+	{
+		if (obj is AttributeCertificate)
+		{
+			return (AttributeCertificate)obj;
+		}
+		if (obj != null)
+		{
+			return new AttributeCertificate(Asn1Sequence.GetInstance(obj));
+		}
+		return null;
+	}
+
+	public AttributeCertificate(AttributeCertificateInfo acinfo, AlgorithmIdentifier signatureAlgorithm, DerBitString signatureValue)
+	{
+		this.acinfo = acinfo;
+		this.signatureAlgorithm = signatureAlgorithm;
+		this.signatureValue = signatureValue;
+	}
+
+	private AttributeCertificate(Asn1Sequence seq)
+	{
+		if (seq.Count != 3)
+		{
+			throw new ArgumentException("Bad sequence size: " + seq.Count);
+		}
+		acinfo = AttributeCertificateInfo.GetInstance(seq[0]);
+		signatureAlgorithm = AlgorithmIdentifier.GetInstance(seq[1]);
+		signatureValue = DerBitString.GetInstance(seq[2]);
+	}
+
+	public byte[] GetSignatureOctets()
+	{
+		return signatureValue.GetOctets();
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		return new DerSequence(acinfo, signatureAlgorithm, signatureValue);
+	}
+}