E-Lock offers PKI based digital signature software development kit (SDK), which can be integrated with any third party applications for online digital signing and encryption solution. It can be integrated easily into existing IT infrastructure that is in place without disturbing the existing workflow. SuperSigner SDK allows, the user to sign the documents locally on their machine and then upload it to the server or sign the files that are already present on the server.

The data signed is maintained in PKCS#7 format (as per industry standards). Apart from signing and verification SuperSigner SDK also supports multiple signatures, third party time stamping, PKI based encryption-decryption and embedded digital signature in the PDF and PDF/A files in Adobe compatible format, which can be verified through Adobe Reader.It is an ideal digital signature solution for a client-server environment where there is requirement for digital signature integration in third party application.