The World Wide Web is evolving from a platform for infor- mation access into a platform for interactive services. The interaction of the services is provided by forms. Some of these services, such as bank- ing and e-commerce, require secure, non-repu

Signcryption is a new paradigm in public key cryptography that simultaneously fulfils both the functions of digital signature and public key encryption in a logically single step, and with a cost significantly lower than that required by the traditio

SIGNCRYPTION SCHEME BASED ON SCHNORR DIGITAL SIGNATURE

ON A NEW APPROACH OF INSERTION OF CONFIDENTIAL DIGITAL SIGNATURE INTO IMAGES