The encryption algorithm in the scheme is semantically secure against adaptive chosen cipher-text attacks based on the DDH assumption.
此外,证明了方案中加密算法在DDH假设和适应性选择密文攻击下是安全的。
Lastly, under the DDH assumption, the detailed security proof of NLWZ protocol is presented.
最后,在DDH假设下,给出了改进协议(NLWZ协议)的安全性证明。
Objective To observe the effects of concentric reduction and acetabular development after the treatment of the DDH for the prediction of acetabular development.
目的观察发育性髋关节发育不良(DDH)治疗后股骨头同心复位、髋臼发育的情况,预测髋臼的发育。
The waves in DDH it's some as yesterday, very blue clean and peaceful. But the waves is start to pick up.
大东海的浪跟昨天一样,非常的平和蓝干凈。但是马上浪开始上涨了。
Methods 24 cases of DDH in children were treated by external fixation of frog gypsum.