At the same time, users can add some special information to public key, so that the scheme gets more secure and practical.

同时允许给用户公钥附加特殊信息，增强了签名方案的安全性和实用性。

youdao

It can prevent some dishonest participants from cheating others, and also efficiently avoid signature deadlock, therefore, it is more secure and practical.

该方案可以检测出不诚实签名者，并防止他们的欺骗行为，有效避免了签名死锁，因而更具安全性和实用性。

youdao

In my professional view, this transaction would deny the United States reliable and secure access to a vital - and, as a practical matter, irreplaceable - world-wide telecommunications infrastructure.

CENTERFORSECURITYPOLICY: Vote No to Firesale of Fiber-Optic Network

It resides where every important social advance has always resided - with the American people themselves, with well informed American families, making practical decisions to address their imperatives for better health and more secure prosperity.

CNN: McCain's October 11, 2007, speech on health care