iTextSharp.text.pdf.PdfEncryption.PdfEncryption C# (CSharp) Метод

        public PdfEncryption(PdfEncryption enc)
            : this()
        {
            if (enc.key != null)
            key = (byte[]) enc.key.Clone();
            keySize = enc.keySize;
            mkey = (byte[])enc.mkey.Clone();
            ownerKey = (byte[])enc.ownerKey.Clone();
            userKey = (byte[])enc.userKey.Clone();
            permissions = enc.permissions;
            if (enc.documentID != null)
            documentID = (byte[])enc.documentID.Clone();
            revision = enc.revision;
            keyLength = enc.keyLength;
            encryptMetadata = enc.encryptMetadata;
            embeddedFilesOnly = enc.embeddedFilesOnly;
            publicKeyHandler = enc.publicKeyHandler;
        }