Atomicity and anonymity are desirable properties for reliable and security e-Cash transaction and the guarantee of the participants’ interests. But there are conflicts between these two properties. In this paper, an ...Atomicity and anonymity are desirable properties for reliable and security e-Cash transaction and the guarantee of the participants’ interests. But there are conflicts between these two properties. In this paper, an atomic and anonymous e-Cash transaction protocol with off-line TTP (Trust Third Party) based on the extended CEMBS is presented. The novel protocol is analyzed for its atomicity and anonymity. The results of the analysis show that it not only provides atomicity and anonymity under unreliable communication and dishonest participants, but also features high efficiency and practicability. The new protocol also avoids transaction from an ambiguous state. Furthermore, it will be referenced often for the application of the atomic e-Cash transaction protocol.展开更多
信用卡从物理结构上划分,可以分为磁卡和 IC 卡两大类。作为信用卡的一种新型的业务载体,IC 卡有诸多的优点:安全、容量大、寿命长、可脱机处理等,IC 卡由此也成为未来信用卡发展的强劲趋势。但目前 IC 卡也有其缺憾之处,那就是 IC 卡...信用卡从物理结构上划分,可以分为磁卡和 IC 卡两大类。作为信用卡的一种新型的业务载体,IC 卡有诸多的优点:安全、容量大、寿命长、可脱机处理等,IC 卡由此也成为未来信用卡发展的强劲趋势。但目前 IC 卡也有其缺憾之处,那就是 IC 卡在金融应用方面尚未形成一个成熟的国际运作规范,它不象磁卡那样有一套完整的业务及技术标准。可见,要顺应历史发展方向,推行信用卡 IC 技术。展开更多
文摘Atomicity and anonymity are desirable properties for reliable and security e-Cash transaction and the guarantee of the participants’ interests. But there are conflicts between these two properties. In this paper, an atomic and anonymous e-Cash transaction protocol with off-line TTP (Trust Third Party) based on the extended CEMBS is presented. The novel protocol is analyzed for its atomicity and anonymity. The results of the analysis show that it not only provides atomicity and anonymity under unreliable communication and dishonest participants, but also features high efficiency and practicability. The new protocol also avoids transaction from an ambiguous state. Furthermore, it will be referenced often for the application of the atomic e-Cash transaction protocol.
文摘信用卡从物理结构上划分,可以分为磁卡和 IC 卡两大类。作为信用卡的一种新型的业务载体,IC 卡有诸多的优点:安全、容量大、寿命长、可脱机处理等,IC 卡由此也成为未来信用卡发展的强劲趋势。但目前 IC 卡也有其缺憾之处,那就是 IC 卡在金融应用方面尚未形成一个成熟的国际运作规范,它不象磁卡那样有一套完整的业务及技术标准。可见,要顺应历史发展方向,推行信用卡 IC 技术。