Oblivious Signature Scheme Based on Bilinear Pairing

• Main Authors: Chen Chi-Sheng, 陳麒勝
• Other Authors: Lee Narn-Yih
• Format: Others
• Language: zh-TW
• Published: 101
• Online Access: http://ndltd.ncl.edu.tw/handle/87238924106696898224

碩士 === 南台科技大學 === 資訊管理系 === 100 === The Internet has become an important dependence in people's daily lives. Oblivious transfer scheme is a Bind of cryptographic technique of using both of privacy and security of Internet. However, in response to changes of the environment and demand, if the oblivious transfer scheme does not have the function of digital signature, it may not be able to solve the disputes in the future. Therefore, the integration of oblivious transfer scheme and digital signature mechanism has become one of important and fundamental technique of modern cryptography. This study will develop a t out of n oblivious signature scheme based on the bilinear pairing and a non-interactive oblivious signature scheme. New schemes not only meet security and oblivious signature scheme’s three requirements: correctness, non-repudiation, receiver's privacy, but also put forward the two-way confirmation authentication and signer’s privacy. In addition, the proposed non-interactive oblivious signature scheme extends the applied environment of the oblivious signature scheme.