Based on the development of mobile communication, the future mobile communication systems are expected to provide higher quality of multimedia services for users than today’s sys...
An expectation of a signature system is that a signatory cannot dispute a signature. Aiming at this, the following questions arise: Can documents in electronic commerce on the Inte...
Email protocols were designed to be flexible and forgiving, designed in a day when Internet usage was a cooperative thing. A side effect of that is that they were not designed to ...
Digital signatures, like physical signatures, can verify that a specific user affixed their signature to a document and they can also verify that the document is the same as when ...