init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/Pkcs/CertificationRequestInfo.cs

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+using System;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Pkcs;
+
+public class CertificationRequestInfo : Asn1Encodable
+{
+	internal DerInteger version = new DerInteger(0);
+
+	internal X509Name subject;
+
+	internal SubjectPublicKeyInfo subjectPKInfo;
+
+	internal Asn1Set attributes;
+
+	public DerInteger Version => version;
+
+	public X509Name Subject => subject;
+
+	public SubjectPublicKeyInfo SubjectPublicKeyInfo => subjectPKInfo;
+
+	public Asn1Set Attributes => attributes;
+
+	public static CertificationRequestInfo GetInstance(object obj)
+	{
+		if (obj is CertificationRequestInfo)
+		{
+			return (CertificationRequestInfo)obj;
+		}
+		if (obj != null)
+		{
+			return new CertificationRequestInfo(Asn1Sequence.GetInstance(obj));
+		}
+		return null;
+	}
+
+	public CertificationRequestInfo(X509Name subject, SubjectPublicKeyInfo pkInfo, Asn1Set attributes)
+	{
+		this.subject = subject;
+		subjectPKInfo = pkInfo;
+		this.attributes = attributes;
+		ValidateAttributes(attributes);
+		if (subject == null || version == null || subjectPKInfo == null)
+		{
+			throw new ArgumentException("Not all mandatory fields set in CertificationRequestInfo generator.");
+		}
+	}
+
+	private CertificationRequestInfo(Asn1Sequence seq)
+	{
+		version = (DerInteger)seq[0];
+		subject = X509Name.GetInstance(seq[1]);
+		subjectPKInfo = SubjectPublicKeyInfo.GetInstance(seq[2]);
+		if (seq.Count > 3)
+		{
+			DerTaggedObject obj = (DerTaggedObject)seq[3];
+			attributes = Asn1Set.GetInstance(obj, explicitly: false);
+		}
+		ValidateAttributes(attributes);
+		if (subject == null || version == null || subjectPKInfo == null)
+		{
+			throw new ArgumentException("Not all mandatory fields set in CertificationRequestInfo generator.");
+		}
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(version, subject, subjectPKInfo);
+		if (attributes != null)
+		{
+			asn1EncodableVector.Add(new DerTaggedObject(explicitly: false, 0, attributes));
+		}
+		return new DerSequence(asn1EncodableVector);
+	}
+
+	private static void ValidateAttributes(Asn1Set attributes)
+	{
+		if (attributes == null)
+		{
+			return;
+		}
+		foreach (Asn1Encodable attribute in attributes)
+		{
+			Asn1Object obj = attribute.ToAsn1Object();
+			AttributePkcs instance = AttributePkcs.GetInstance(obj);
+			if (instance.AttrType.Equals(PkcsObjectIdentifiers.Pkcs9AtChallengePassword) && instance.AttrValues.Count != 1)
+			{
+				throw new ArgumentException("challengePassword attribute must have one value");
+			}
+		}
+	}
+}