A new fast algorithm to look up table and raise two to the power of k system is presented ln this paper, which is an improvement of traditional BR algorithm.

• 提出一种通过建表 ,以及对传统二进制算法进行改进 ,即将指数进行 2 k进制化 ,减少原 br算法迭代次数 ,提高加密解密速度的算法。