加密编码 meaning in Chinese

scrambled

To produce a message digest , you need a scrambling mechanism
为了生成消息摘要，您需要一种加密编码机制。
The contents adds the to code the system " . the colloquy dvd sees the arithmetic figure to add the project . only the that the dvd that css admit to broadcast the to can just break password see data
“内容加密编码系统” 。正式的dvd视频数字加密方案。仅css许可的dvd播放器才可以破译视频数据的密码。
The position of phase mask also can be used as a key of the system besides the phase codes . the key space is significantly enlarged , and high security is consequently achieved . finally , a method of binary image encryption with optical subtraction based on mach - zehnder interferometer architecture is proposed
最后,针对二值图像的特点,提出一种通过直接扰乱图像分布达到加密目的新方法,该方法不是用传统的相乘编码,而是把待加密二值图像与一块随机二值实振幅掩模通过光学图像相减技术来实现加密编码。