利用Hénon映射,本文使用了一个额外的伪随机数以改善Baptista密码中不平衡的密文分布,并对文本、图像、语音等文件的信息进行了加密与解密处理。研究表明:尽管采用本文算法使得基于搜索的混沌密码的安全性增强了,但由于搜索过程本身很耗时,故加密速度基本上没有得到明显改善。
Based on Htnon map, a chaotic encryption arithmetic is put forward in this paper. In this arithmetic an extra pseudo random number is used to improve the batanee distributing of cipher text in Baptism's encryption arithmetic. Using this arithmetic, all kinds of files (such as Txt, Bmp, Wav and so on) are encrypted and decrypted. The research indicates that the security of chaotic encryption arithmetic based on searching is intensified. But the encryption speed is not distinctly improved because the searching process wastes time very much.