A New Forward-Security Digital Signature Scheme
Dongqing Xie · Jisuanji yingyong yanjiu · 2004
This paper points out that scheme in document[1] is not forward-secure because it uses the succeed secret key to sign a message.Although the key is forward-secure,the signature isn′t forward-secure.A replacement is proposed using only current secret key to sign the message.The security of the key evolve base on disperse logarithm and quadratic root hard problem.