Dispute of transactions is a common problem that could jeopardise business. Hence non-repudiation services are essential in business transactions which provide evidence to enable ...
The evolution of web services has facilitated the integration of business processes scattered across different geographical locations of the world. Along with the benefits that we...
We propose the concept of fine-grained forward-secure signature schemes. Such signature schemes not only provide non-repudiation w.r.t. past time periods the way ordinary forward-...
Abstract. Chameleon signatures are based on well established hashand-sign paradigm, where a chameleon hash function is used to compute the cryptographic message digest. Chameleon s...
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...