利用辛几何构作non-Cartesion认证码

The construction of non-Cartesion authentication code from Symplectic geometry

利用辛几何构作了一个non-Cartesion认证码,计算了它的参数;当编码规则按等概率分布选取时,求出了模仿攻击和替换攻击成功的概率.

By using subspaces of symplectic geometry,we construct one type of non-Cartesion authentication code,and compute its size parameters. Moreover, assuming that the encoding rule is chosen according to a uniform probability distribution,we also compute the probabilities of a successful impersonation attack and of a successful substitution attack respectively.