Ad-Sign Digital Signatures To Files in any format

Ad-Sign is a desktop tool designed to attach digital signatures to files in any format. The digital signature can be as per the standard specified by NPCI. The output signed file will contain the data and Digital Signature along with the Public Key Certificate of the Signer. The tool also performs verification of a digitally signed file received from NPCI. After verification, the tool allows extraction of the original data and saves it in the required location.