The scheme provides group key secrecy, forward secrecy and backward secrecy.
它提供的安全属性包括群组密钥保密性、前向保密和后向保密。
The new scheme provides implicit key authentication and perfect forward secrecy etc.
该方案提供了隐含密钥认证和完善前向保密等安全属性。
The protocol can use the public key of RSA to create the contributory, forward secrecy the session key.
该协议主要利用RSA的公钥和同态加密机制建立一个会话密钥。
But signcryption schemes cannot provide forward secrecy and public verifiability as the traditional method does.
然而签密方案不能像传统方法那样同时提供前向安全性和可公开验证性。
Aim In order to solve the trouble of the lack of forward secrecy and intermediator attack in current WTLS protocol.
目的为解决目前WTLS协议中缺乏前向安全性、无法抵抗中间人攻击的问题。
The PAGKA protocol suite is communication efficient, and has the following cryptographic properties such as key independence, implicit key authentication, perfect forward secrecy and resistance .
通过引入群公钥证书并在群密钥中结合群以及成员的长期密钥和临时密钥，提供了隐含密钥认证，以有效地对抗中间人攻击。
Secondly, the UAP protocol is analysed, because the key confirmation completely lies on the long-term private key, so it does not achieve forward secrecy, and resists key-compromise impersonation.
其次，对UAP协议进行安全分析，由于其确认密钥完全依赖于服务器的长期私钥，因此它不具有前向保密性和密钥泄漏的安全性。
In order to achieve perfect forward and perfect backward secrecy, and to counteract cryptoanalysis, the group session keys should be rekeyed.
为达到完美向前和完美向后保密以及对付密码分析，需要更新组会话密钥。
The secrecy of the grand jury proceedings is considered necessary to protect the integrity of the testimony and theevidence which may be brought forward later in a public trial.
大陪审团的诉讼程序的保密性对保证证词和证据的完整性是必要的，因为证词和证据在曰后的公开审判中会公之于众。
Aiming at the data secrecy problem in database, we have analyzed some present encryption mechanism and put forward a new query method based on ciphertext index.
针对数据库中数据的保密性问题，分析了目前已有的一些加密机制，提出了一种基于密文索引的新的查询方法。
In addition, considering the COMNET's deficiency of the secrecy and real-time, another scheme of Virtual Private Network (VPN) based on GPRS combining fiber is brought forward.
另外，针对公网通信保密性和实时性方面的不足，提出一种GPRS网络结合光纤通信的虚拟专用网的通信方案。
In addition, considering the COMNET's deficiency of the secrecy and real-time, another scheme of Virtual Private Network (VPN) based on GPRS combining fiber is brought forward.
另外，针对公网通信保密性和实时性方面的不足，提出一种GPRS网络结合光纤通信的虚拟专用网的通信方案。
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