VAEaaaa的博客

Keys1=9Keys2=2first = 97temp=0dir={}for i in range(26): dir[chr(first)]=i first=first+1PlainText ='In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes Currently

encryptionKeys=[[10,5,12,0,0],[3,14,21,0,0],[8,9,11,0,0],[0,0,0,11,8],[0,0,0,3,7]]decryptionKeys=[[21,15,17,0,0],[23,2,16,0,0],[25,4,3,0,0],[0,0,0,7,18],[0,0,0,23,11]]first = 97temp=0num=0dir = {}for i in range(26): dir[chr(first)]=i first=fi

学校的实验之一，找个地方保存一下自己的战利品。Plaintext ="In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes Currently the only method for enforcing such policies is to employ a trusted server to