An inclined tree-group key management scheme based on elliptic curve cryptosystem is presented in this paper, which needs to renew only several node keys to provide perfect secrecy.
本文提出基于椭圆曲线密钥体制的斜树密钥管理方案,算法只需更新少量密钥就能满足系统的安全需求。
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。
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 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。
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。
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