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Domain Name System (DNS) is one of the most crucial components of the Internet. However, due to the vulnerability of DNS, its security has been continuously challenged in recent years. In order to thoroughly understand the root cause of the security risks in the DNS, researches in DNS security are surveyed, and vulnerabilities in DNS and corresponding countermeasures are summarized. First, based on...
Trivium is a notable light-weight synchronous stream cipher submitted to the European eSTREAM project in April 2005. Quavium is a 4-round Trivium-like algorithm which is almost as fast as Trivium. In this paper, the structure of Quavium is studied and we study the security of Quavium under state recovering attack, which is the best known attack to Trivium, i.e., we try to recover the internal state...
Ultrasound-guided surgery navigation are medical procedures that use computer-based systems to provide real-time ultrasound images to help the physician precisely visualize and target the surgical site by updating the intraoperative information. This field has been widely expanded by the advances in ultrasound imaging quality and computing power over the past 20 years. This review begins with the...
Practical ability is the essential requirement for computer science undergraduates' ability structure, and it emphasizes that computer science undergraduates should have a good grasp of theory from practice and then apply the theory to practice, improving them own software developing skills and employ ability. The computer science practical teaching system include following components: software and...
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