目前的加密体制仍以公钥体系为主流 ,且最常见的密钥选取方法就是选取一个具有某种特征的随机数 ,因此随机数的好坏就直接影响到密钥的安全 ,从而也就影响到整个加密体系的安全。

• At present, the public key system is still the major one in the encryption system, and the commonest method in private key selection is to choose a random number with a certain feature, which will influence the security of the private key and the whole encryption system.