Org.BouncyCastle.Asn1.DerObjectIdentifier.FromOctetString C# (CSharp) Method

        internal static DerObjectIdentifier FromOctetString(byte[] enc)
        {
            int hashCode = Arrays.GetHashCode(enc);
            int first = hashCode & 1023;

            lock (cache)
            {
                DerObjectIdentifier entry = cache[first];
                if (entry != null && Arrays.AreEqual(enc, entry.GetBody()))
                {
                    return entry;
                }

                return cache[first] = new DerObjectIdentifier(enc);
            }
        }
    }

        internal static Asn1Object CreatePrimitiveDerObject(
            int tagNo,
            DefiniteLengthInputStream defIn,
            byte[][]                    tmpBuffers)
        {
            switch (tagNo)
            {
            case Asn1Tags.Boolean:
                return(DerBoolean.FromOctetString(GetBuffer(defIn, tmpBuffers)));

            case Asn1Tags.Enumerated:
                return(DerEnumerated.FromOctetString(GetBuffer(defIn, tmpBuffers)));

            case Asn1Tags.ObjectIdentifier:
                return(DerObjectIdentifier.FromOctetString(GetBuffer(defIn, tmpBuffers)));
            }

            byte[] bytes = defIn.ToArray();

            switch (tagNo)
            {
            case Asn1Tags.BitString:
                return(DerBitString.FromAsn1Octets(bytes));

            case Asn1Tags.BmpString:
                return(new DerBmpString(bytes));

            case Asn1Tags.GeneralizedTime:
                return(new DerGeneralizedTime(bytes));

            case Asn1Tags.GeneralString:
                return(new DerGeneralString(bytes));

            case Asn1Tags.IA5String:
                return(new DerIA5String(bytes));

            case Asn1Tags.Integer:
                return(new DerInteger(bytes));

            case Asn1Tags.Null:
                return(DerNull.Instance);      // actual content is ignored (enforce 0 length?)

            case Asn1Tags.NumericString:
                return(new DerNumericString(bytes));

            case Asn1Tags.OctetString:
                return(new DerOctetString(bytes));

            case Asn1Tags.PrintableString:
                return(new DerPrintableString(bytes));

            case Asn1Tags.T61String:
                return(new DerT61String(bytes));

            case Asn1Tags.UniversalString:
                return(new DerUniversalString(bytes));

            case Asn1Tags.UtcTime:
                return(new DerUtcTime(bytes));

            case Asn1Tags.Utf8String:
                return(new DerUtf8String(bytes));

            case Asn1Tags.VisibleString:
                return(new DerVisibleString(bytes));

            default:
                throw new IOException("unknown tag " + tagNo + " encountered");
            }
        }