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Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/asn1/cmp/CmpCertificate.cs

@@ -0,0 +1,116 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using System.IO;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Utilities;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cmp
+{
+    public class CmpCertificate
+        : Asn1Encodable, IAsn1Choice
+    {
+        public static CmpCertificate GetInstance(object obj)
+        {
+            // TODO[cmp] Review this whole metho
+
+            if (obj == null)
+                return null;
+
+            if (obj is CmpCertificate cmpCertificate)
+                return cmpCertificate;
+
+            if (obj is byte[] bs)
+            {
+                try
+                {
+                    obj = Asn1Object.FromByteArray(bs);
+                }
+                catch (IOException)
+                {
+                    throw new ArgumentException("Invalid encoding in CmpCertificate");
+                }
+            }
+
+            if (obj is Asn1Sequence)
+                return new CmpCertificate(X509CertificateStructure.GetInstance(obj));
+
+            if (obj is Asn1TaggedObject taggedObject)
+                return new CmpCertificate(taggedObject.TagNo, taggedObject.GetObject());
+
+            throw new ArgumentException("Invalid object: " + Org.BouncyCastle.Utilities.Platform.GetTypeName(obj), nameof(obj));
+        }
+
+        public static CmpCertificate GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
+        {
+            // TODO[cmp]
+            if (taggedObject == null)
+                return null;
+
+            if (!declaredExplicit)
+                throw new ArgumentException("tag must be explicit");
+
+            // TODO[cmp]
+            return GetInstance(taggedObject.GetObject());
+        }
+
+        private readonly X509CertificateStructure m_x509v3PKCert;
+
+        private readonly int m_otherTagValue;
+        private readonly Asn1Encodable m_otherCert;
+
+        /**
+         * Note: the addition of other certificates is a BC extension. If you use this constructor they
+         * will be added with an explicit tag value of type.
+         *
+         * @param type      the type of the certificate (used as a tag value).
+         * @param otherCert the object representing the certificate
+         */
+        public CmpCertificate(int type, Asn1Encodable otherCert)
+        {
+            m_otherTagValue = type;
+            m_otherCert = otherCert;
+        }
+
+        public CmpCertificate(X509CertificateStructure x509v3PKCert)
+        {
+            if (x509v3PKCert.Version != 3)
+                throw new ArgumentException("only version 3 certificates allowed", nameof(x509v3PKCert));
+
+            m_x509v3PKCert = x509v3PKCert;
+        }
+
+        public virtual bool IsX509v3PKCert => m_x509v3PKCert != null;
+
+        public virtual X509CertificateStructure X509v3PKCert => m_x509v3PKCert;
+
+        public virtual int OtherCertTag => m_otherTagValue;
+
+        public virtual Asn1Encodable OtherCert => m_otherCert;
+
+        /**
+         * <pre>
+         * CMPCertificate ::= CHOICE {
+         *            x509v3PKCert        Certificate
+         *            x509v2AttrCert      [1] AttributeCertificate
+         *  }
+         * </pre>
+         * Note: the addition of attribute certificates is a BC extension.
+         *
+         * @return a basic ASN.1 object representation.
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            if (m_otherCert != null)
+            {
+                // explicit following CMP conventions
+                return new DerTaggedObject(true, m_otherTagValue, m_otherCert);
+            }
+
+            return m_x509v3PKCert.ToAsn1Object();
+        }
+    }
+}
+#pragma warning restore
+#endif