Electronic evidence and non-repudiation protocol
YE Cheng-qing · Journal of China Institute of Communications · 2000
Non-repudiation is one of the most important premises to achieve elec t ronic trade on computer networks,which is based on electronic evidence This pa pe r discusses types of non-repudiation evidence,elements of non-repudiation evi d ence and validity of non-repudiation evidence We propose a fair non-repudiati o n protocol to solve repudiation problem both in sender side and in receiver side By using two simple ideas,a conditional signature and a non-repudiation serv er ,our protocol can achieve non-repudiation service in an efficient and practica l manner