Two threshold cryptosystems secure against chosen ciphertext attacks are proposed.
提出两个抗选择密文攻击的门限密码系统。
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。
应用推荐