Digital signatures are frequently used in data transfer to prevent impersonation, repudiation and message tampering. Currently used classical digital signature schemes rely on public key encryption ...

Digital Email Certificates are guarantee that the message contents are exactly the same as what was sent by the sender of the email. If any middle-man tries to access one or more packets of email and ...

Firstly, you need your signature in digital form, preferably using a tablet PC with pen input. If you don’t have such a device to hand, sign on a white sheet of paper and take a photo of your ...