The new protocol enjoys many secure properties such as the reliability of the node's identity, the message integrity, the forward security and the session key independence.
新协议具有较高的安全性，能够满足节点身份的不可伪造性、消息完整性、前向安全性和会话密钥独立性等安全要求。
Recently, forward security has received a significant attention and has been extensively researched in the cryptographic community.
目前，前向安全签名体制在密码技术研究中备受关注并获得了深入的研究。
The problem was formulated along with the proposal of the dynamic group, namely how to achieve perfect revocation and forward security.
随着动态群的提出，这一问题也逐渐被规范化，即如何实现群成员的完美撤销和签名的向前安全。
A forward security group signature scheme with effective member revoke was analyzed, some design mistakes and flaws in this scheme were pointed out.
对一个具有有效成员撤销功能的前向安全群签名方案进行了密码学分析，指出了该方案中存在的一些设计错误和缺陷。
Based on the scheme, an improved forward security multi-signature scheme is proposed, which can reduce the procedures of multi-signature and increase signature efficiency.
给出了一个改进的前向安全多重签名方案，可简化多重签名的过程，提高了签名效率。
The scheme not only can effectively resist the forgery attacks and satisfy all security properties of proxy signature, but also has the properties of forward security.
方案不仅能抵抗伪造攻击和满足代理签名的性质，而且具有前向安全。
Through the security analysis of two forward secure proxy signature schemes based on bilinear pairings, it finds the schemes having security omission and no forward security.
对两个基于双线性对的前向安全的代理签名方案进行了安全性分析，发现其方案均存在安全漏洞，并不具有前向安全性。
Concerning nodes' free joining and leaving the group, group key renewing protocol was proposed, which could guarantee the forward security and backward security of the group key.
针对普适环境中节点随时加入和退出群组的特点，设计了组密钥更新协议，保证了组密钥的前向和后向安全性。
A forward secure short threshold proxy signature scheme from bilinear pairing is proposed by combining the concept of forward security with threshold signature from bilinear pairing.
将前向安全的概念结合到基于双线性对的门限签名方案中，提出了一个基于双线性对的前向安全短门限代理签名方案。
WTLS handshake protocol doesn't provide forward security, and lacks of user anonymity when not in the anonymous mode. It is vulnerable to man-in-the-middle attacks in completely anonymous mode.
WTLS握手协议不满足前向安全性，非匿名验证模式下不满足用户匿名性，完全匿名模式下易遭受中间人攻击。
Forward security of the scheme means that even if the secret key of current time period is compromised, some security remains. It is impossible to forge the signature relating to the past.
方案的前向安全性保证了签名密钥可定期更新，即使当前时间段的签名密钥被泄漏，敌手也不能伪造先前的签名。
Forward security of the scheme means that even if the secret key of current time period is compromised, some security remains. It is impossible to forge the signature relating to the past.
方案的前向安全性保证了签名密钥可定期更新，即使当前时间段的签名密钥被泄漏，敌手也不能伪造先前的签名。
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