Secret Sunshine (Lee Chang-dong)

Security Enhancement of Chang-Lee Anonymous E-Voting Scheme

In recent years, several electronic voting (e-voting) schemes for communication networks have been proposed. In 2006, Chang and Lee presented an anonymous electronic voting scheme which can be applied in real-world elections. However, this paper shows that ChangLee’s e-voting scheme suffers from susceptibility to security attacks. As a result, some essential security requirements of their e-vot...

Dong - Hoon Shin and Kyong - Ho Lee Towards the faster transformation of XML

XML is so flexible that several different schemas are often used even in the same application domain. To interchange XML documents between two parties, it is necessary to transform XML documents into ones that conform to the schema of a partner. Since a transformation is repeatedly applied to a large volume of XML documents, the transformation speed is important. This paper proposes a method fo...

On the Security of the Lee-Chang Group Signature Scheme and Its Derivatives

W.-B. Lee and C.-C. Chang (1998) proposed a very efficient group signature scheme based on the discrete logarithm problem. This scheme was subsequently improved by Y.-M. Tseng and J.-K. Jan (1999) so that the resulting group signatures are unlinkable. In this paper, we show that any obvious attempt to make unlinkable the Lee-Chang signatures would likely fail. More importantly, we show that bot...

Sunshine and the cardiovascular benefits – a dose of sunshine!

Treatment with Antibiotics Alone for Perforated Diverticulitis Complicated by Pylephlebitis and Mesenteric Venous Thrombosis Yu-Dong CHen Jen-HueY CHIAng RHeun-CHuAn Lee HSIou-SHAn TSeng YI-You CHIou CHeng-Yen CHAng SHung-HAuR YAng

Pylephlebitis is defined as septic thrombophlebitis of the portal vein and its branches. Although rare, portal mesenteric venous thrombosis and pylephlebit is can remain as potent ial ly l i fe threatening sequelae of ruptured diverticulitis. Treatment recommendations from recent reports have included urgent exploratory laparotomy, prolonged intravenous antibiotic therapy, and anticoagulation f...