ACTF清明放假回家。。所以就不做了，抽空做了两个简单的密码的。 题目 本题flag不在ACTF{}中。 oivqmqgn, yja vibem naarn yi yxbo sqnyab yjqo q zixuea is gaqbn qdi. ykra jqn zira yi baseazy yjqy qeni ko yja ujbqzw rqdqhkoa. yjkn kn vjqy yja uquab saam kn qpixy: gix nxprky q uquab, va backav ky qom ky dayn uxpeknjam. oi oaam yi vqky q rioyj ib yvi xoyke gix naa gixb qbykzea ko yja oafy ujbqzw knnxa, vjao yja ykra jqn zira, va’ee mazkma yi zirukea q oav knnxa sbir yja qbykzean yjqy jqca paao nxprkyyam. yjqy’n pqnkzqeeg ky. qom dbqp gix seqd jaba, zbguyiiiniziieqrkbkdjy? ————割———— 很像单表代换的，参考辅助处理单表替换密码 yja很明显应该是the，剩下的慢慢试试。 下面的就转出部分没有转全 nowadays, the world seems to turn faster than a couple of years ago. time has come to reflect that also in the phracw magahine. this is what the paper feed is about: you submit a paper, we review it and it gets published. no need to wait a month or two until you see your article in the neft phracw issue, when the time has come, we’ll decide to compile a new issue from the articles that have been submitted. that’s basically it. and grab you flag here, cryptooosocoolamiright? key在最后一句cryptooosocoolamiright