i春秋-Crypot-RSA?
N=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 e=0x1 c=0x4963654354467b66616c6c735f61706172745f736f5f656173696c795f616e645f7265617373656d626c65645f736f5f63727564656c797d
尝试分解N,发现无论是http://factordb.com/index.php?或者是使用yafu都不行,再仔细观察发现e=1。好像发现了什么
me mod n = c,因为e=1
所以可以得出
m = c+k*n (k=0,1,2,3,4....)
于是可以进行尝试,发现k=0的时候,刚刚就得到了flag
(尝试写代码,但代码运行总是不成功,就放弃了)
本人小白一枚,只为自己巩固知识,不喜勿喷