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Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/asn1/ess/ESSCertIDv2.cs

@@ -0,0 +1,145 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Nist;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Utilities;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Ess
+{
+    public class EssCertIDv2
+        : Asn1Encodable
+    {
+        private readonly AlgorithmIdentifier hashAlgorithm;
+        private readonly byte[]              certHash;
+        private readonly IssuerSerial        issuerSerial;
+
+        private static readonly AlgorithmIdentifier DefaultAlgID = new AlgorithmIdentifier(
+            NistObjectIdentifiers.IdSha256);
+
+        public static EssCertIDv2 GetInstance(object obj)
+        {
+            if (obj == null)
+                return null;
+            EssCertIDv2 existing = obj as EssCertIDv2;
+            if (existing != null)
+                return existing;
+            return new EssCertIDv2(Asn1Sequence.GetInstance(obj));
+        }
+
+        private EssCertIDv2(
+            Asn1Sequence seq)
+        {
+            if (seq.Count > 3)
+                throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");
+
+            int count = 0;
+
+            if (seq[0] is Asn1OctetString)
+            {
+                // Default value
+                this.hashAlgorithm = DefaultAlgID;
+            }
+            else
+            {
+                this.hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[count++].ToAsn1Object());
+            }
+
+            this.certHash = Asn1OctetString.GetInstance(seq[count++].ToAsn1Object()).GetOctets();
+
+            if (seq.Count > count)
+            {
+                this.issuerSerial = IssuerSerial.GetInstance(
+                    Asn1Sequence.GetInstance(seq[count].ToAsn1Object()));
+            }
+        }
+
+        public EssCertIDv2(byte[] certHash)
+            : this(null, certHash, null)
+        {
+        }
+
+        public EssCertIDv2(
+            AlgorithmIdentifier	algId,
+            byte[]				certHash)
+            : this(algId, certHash, null)
+        {
+        }
+
+        public EssCertIDv2(
+            byte[]              certHash,
+            IssuerSerial        issuerSerial)
+            : this(null, certHash, issuerSerial)
+        {
+        }
+
+        public EssCertIDv2(
+            AlgorithmIdentifier	algId,
+            byte[]				certHash,
+            IssuerSerial		issuerSerial)
+        {
+            if (algId == null)
+            {
+                // Default value
+                this.hashAlgorithm = DefaultAlgID;
+            }
+            else
+            {
+                this.hashAlgorithm = algId;
+            }
+
+            this.certHash = certHash;
+            this.issuerSerial = issuerSerial;
+        }
+
+        public AlgorithmIdentifier HashAlgorithm
+        {
+            get { return this.hashAlgorithm; }
+        }
+
+        public byte[] GetCertHash()
+        {
+            return Arrays.Clone(certHash);
+        }
+
+        public IssuerSerial IssuerSerial
+        {
+            get { return issuerSerial; }
+        }
+
+        /**
+         * <pre>
+         * EssCertIDv2 ::=  SEQUENCE {
+         *     hashAlgorithm     AlgorithmIdentifier
+         *              DEFAULT {algorithm id-sha256},
+         *     certHash          Hash,
+         *     issuerSerial      IssuerSerial OPTIONAL
+         * }
+         *
+         * Hash ::= OCTET STRING
+         *
+         * IssuerSerial ::= SEQUENCE {
+         *     issuer         GeneralNames,
+         *     serialNumber   CertificateSerialNumber
+         * }
+         * </pre>
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            Asn1EncodableVector v = new Asn1EncodableVector();
+
+            if (!hashAlgorithm.Equals(DefaultAlgID))
+            {
+                v.Add(hashAlgorithm);
+            }
+
+            v.Add(new DerOctetString(certHash).ToAsn1Object());
+            v.AddOptional(issuerSerial);
+            return new DerSequence(v);
+        }
+
+    }
+}
+#pragma warning restore
+#endif