科研之友
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摘要
Even with the popularity of on-line transactions, security remains customers' main concern in deciding whether to make an on-line transaction or not. In 2005, Tzeng et al. proposed a secure on-line software transaction scheme. However, we find that their scheme has the deadlock problem and is inefficient. We propose an efficient novel on-line transaction method that can solve the deadlock problem. The security of the novel method is based on several cryptographic techniques, including the secure one-way hash function and RSA cryptosystems. Our method also has lower computational cost than that of Tzeng et al.
- 出版日期2010-7
