科研之友
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摘要
Through the explosive growth of network technologies, electronic commercial businesses have made our lives easier and more convenient. The application of e-coupons is quite a novel issue but is becoming increasingly popular among electronic commercial businesses because the extensive use of e-coupons can help consumers to save money; however, the e-coupon has also brought security issues as attackers can obtain illegitimate benefits from imperfections of the design. Hence, the security of the e-coupon system has become important as well. In this paper, we propose a novel and complete chaotic maps-based authentication scheme for e-coupon systems. Security analysis shows that our scheme satisfies essential security and functionality requirements. Furthermore, performance analysis shows that the execution time of our scheme is efficient and suitable for practical implementation in real life. In other words, users such as shops and customers can use our e-coupon system conveniently and securely.
