The key is typically a random sequence of bits; its size categorizes the strength of the encryption algorithm.
密钥一般是 0 或 1 的一个随机序列；其大小区分了加密算法的能力。
The generating of pseudo random sequence is one of the key subjects to realize the spread spectrum technique upgrade for BPC low frequency time code radio station.
伪随机序列的产生是实现BPC低频时码发播台扩展频谱技术升级的一个重要环节。
The images were encrypted and decrypted through exclusive OR algorithm of images and pseudo - random sequence coming from initial security key.
将初始值作为密钥，产生伪随机序列，与图像像素通过异或加解密。
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