the scheme has adaptively chosen ciphertext security in the random oracle model.
并在随机谕示模型下,证明了方案具有选择密文安全性。
the public key cryptosystem secure against chosen ciphertext attacks is a very strong secure cryptosystem and is a useful primitive for designing protocols that resisting active adversary.
抗选择密文攻击公钥密码体制是安全性很高的密码体制,它是设计抗主动攻击的协议非常有用的工具。
in the random oracle model, the scheme is provably secure against adaptive chosen ciphertext attacks.
在随机预言模型下,该方案在适应性选择密文攻击下是可证明安全的。
this scheme is regarded as one of practical schemes against adaptively chosen ciphertext attacks, but it is absent of rigorous proofs.
该方案被认为是抗适应性选择密文攻击的实用方案之一,但缺乏严格的安全性证明。