chaotic cipher的用法和樣例：
例句
- Firstly, we design a binary image watermarking signal and encrypted it by a chaotic sequence cipher before it is embedded.
將含有版權信息的二值圖像作為水印，利用混沌密碼對其進行加密，水印方案具有雙重的安全性。 - Since the three chaotic models have different security level and structure complexity, they can be employed in various chaotic ciphers.
這三類模型具有不同的安全強度和複雜度，可滿足多種安全應用環境下的混沌密碼設計的要求。
