init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/Ess/EssCertID.cs

@@ -0,0 +1,66 @@
+using System;
+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.Ess;
+
+public class EssCertID : Asn1Encodable
+{
+	private Asn1OctetString certHash;
+
+	private IssuerSerial issuerSerial;
+
+	public IssuerSerial IssuerSerial => issuerSerial;
+
+	public static EssCertID GetInstance(object o)
+	{
+		if (o == null || o is EssCertID)
+		{
+			return (EssCertID)o;
+		}
+		if (o is Asn1Sequence)
+		{
+			return new EssCertID((Asn1Sequence)o);
+		}
+		throw new ArgumentException("unknown object in 'EssCertID' factory : " + Platform.GetTypeName(o) + ".");
+	}
+
+	public EssCertID(Asn1Sequence seq)
+	{
+		if (seq.Count < 1 || seq.Count > 2)
+		{
+			throw new ArgumentException("Bad sequence size: " + seq.Count);
+		}
+		certHash = Asn1OctetString.GetInstance(seq[0]);
+		if (seq.Count > 1)
+		{
+			issuerSerial = IssuerSerial.GetInstance(seq[1]);
+		}
+	}
+
+	public EssCertID(byte[] hash)
+	{
+		certHash = new DerOctetString(hash);
+	}
+
+	public EssCertID(byte[] hash, IssuerSerial issuerSerial)
+	{
+		certHash = new DerOctetString(hash);
+		this.issuerSerial = issuerSerial;
+	}
+
+	public byte[] GetCertHash()
+	{
+		return certHash.GetOctets();
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(certHash);
+		if (issuerSerial != null)
+		{
+			asn1EncodableVector.Add(issuerSerial);
+		}
+		return new DerSequence(asn1EncodableVector);
+	}
+}