Both the symmetric key systems and public key systems currently used are based on the model of computationalsecurity.
目前的密钥系统无论是单钥体制还是公钥体制都建立在计算安全的模型上。
2
The proposed group key establishment scheme reduces both the computational overhead and communication costs and has the high security and usability.
提出的组密钥建立方案有效地降低了组密钥建立过程的计算和通信开销,并具有较高的安全性和可用性。
3
The scheme is characterized by high security, small computational complexity, and small amount of information that should be kept. The scheme is relatively efficient.