As Shannon had proved that one-time system is perfect secrecy,one-time system is deemed to be unbreakable.
由于仙农证明一次一密具有完善保密性,一次一密体制一直以来被认为是不可攻破的。
参考来源 - 一次一密体制的安全性分析与改进·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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