在密码分析者已知加密算法的条件下,常 用的密码分析攻击包括以下几类: (1) 唯 密文攻击 ( ciphertext-only attack ):在这种攻击中,密码分析者 只知道一些消息的密文,且这些消息都是采用同一加密算法进行加密的。
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唯密文攻击 Ciphertext-only attack ; ciphertext only ; attack with known plaintext
选择密文攻击 Chosen-ciphertext attack ; chosen ciphertext ; Chosen-Cipher Attack ; ciphertext attack
惟密文攻击 Ciphertext Only ; Ciphtext-only attack ; cipher text-only attack ; cybertext only attack
密文攻击法 Ciphertext-Only Attack
纯密文攻击 Ciphertext-only attack
的选择密文攻击 RSA
类差分选择密文攻击 Differential-like Chosen Cipher Attack
选择明文-密文对攻击 chosen plaintext-ciphertext
提出两个抗选择密文攻击的门限密码系统。
Two threshold cryptosystems secure against chosen ciphertext attacks are proposed.
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。
In the random oracle model, the scheme is provably secure against adaptive chosen ciphertext attacks.
在高密度随机背包困难性假设下,可以证明方案在唯密文攻击下是安全的。
Under the assumption that the random high-density knapsack problem is infeasible, the proposed schemes are provably secure against ciphertext-only attack.
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