对三重DES的已知明文攻击 季本 1050 B E E C (a)Two-key Triple Encryption with Candidate Pair of Keys Pi C Bi key i (c)Table of intermediate values and candidate keys (b)Table of n known plaintext-ciphertext pairs,sorted on P 2022/10/9 9/57 Figure 6.2 Known-Plaintext Attack on Triple DES2022/10/9 现代密码学理论与实践-06 9/57 对三重DES的已知明文攻击