Ideally, cryptographers should only look at ciphers that have a reasonable chance of being secure.
理想情况下，密码学家只会关注那些有合理的机会成为安全算法的东西。
2
DES has been studied by many of the world's leading cryptographers, but no weaknesses have been uncovered.
世界上许多主要的密码学家对des进行了研究，但至今未发现它的薄弱之处。
3
To cryptographers, "hard" means computing with thousands of systems and getting an answer in months, years, or sometimes after the end of the universe.