This article explains how to search for encrypted electronic signatures in QR code electronic signatures. This topic contains example of using standard encryption, serialization, class definition and search for embedded objects in QR-codes with GroupDocs.Signature API.... This article explains how to search for encrypted electronic signatures in QR code electronic signatures. This topic contains example of using standard encryption, serialization, class definition and search for embedded objects in QR-codes with GroupDocs.Signature API.