As traditional oblivious transfer protocols are treated as cryptographic primitives in most cases, they are usually executed without the consideration of possible attacks, e.g., impersonation, replaying, and man-in-the-middle attacks. Therefore, when these protocols are applied in certain applications, such as mental poker game playing and fairly contracts signing, some extra mechanisms must be...

Accurate and reliable time is necessary for financial and legal transactions, transportation, distribution systems, and many other applications. Time synchronization protocols such as NTP (the Network Time Protocol) have kept clocks of such applications synchronized to each other for many years. Nowadays there are many commercial GPS based NTP time server products at the market but they almost ...

ABSTRACTThe current international business transaction activity is not difficult, with the advancement of technology, world provides ample opportunities and for community to make connections between them.. International transactions are private law studies, where in wider each party make, agree execute clauses they make. However, it can be said that order carry out such activities, parties must...

the internet has transformed the manner of conducting commercial transactions and has created regulatory gaps. these regulatory gaps may impact the effective development of electronic commerce. attempts are being made to regulate electronic contracts both at the national and international level. the present research analyses these attempts, in particular the electronic transaction legislation o...