在密码分析中，选择密文攻击指的是一种攻击方式。从字面意思而言，攻击者掌握对解密机的访问权限，可以选择密文进行解密。
选择密文攻击 Chosen-ciphertext attack ; chosen ciphertext ; Chosen-Cipher Attack ; ciphertext 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.
此外，证明了方案中加密算法在DDH假设和适应性选择密文攻击下是安全的。
The encryption algorithm in the scheme is semantically secure against adaptive chosen cipher-text attacks based on the DDH assumption.
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