snnuctf

free_flag

enflag = [
  0x78, 0x64, 0x3F, 0x53, 0x6D, 0x79, 0x78, 0x64, 0x62, 0x3F,
  0x78, 0x3D, 0x6F, 0x38, 0x3D, 0x78, 0x3C, 0x62, 0x53, 0x39,
  0x75, 0x39, 0x78, 0x3F, 0x61, 0x53, 0x3D, 0x39, 0x53, 0x62,
  0x3C, 0x78, 0x53, 0x3C, 0x39, 0x53, 0x39, 0x3F, 0x6F, 0x79,
  0x7E, 0x3F, 0x0A
]
cipher = 0xC

for s in enflag:
    print(chr(s^cipher),end=‘‘)

snnuctf

 

 在md5加密

f6b4ff69fb48c0e664acc7c8256c881e

得到flag snnuctf{f6b4ff69fb48c0e664acc7c8256c881e}

 

ck

import base64
import string
cipher = ef"^sVK@3r@Ke4e6%6`)
table1 = ",.0fgWV#`/1Heox$~\x222dity%_;j3csz^+@{4bKrA&=}5laqB*-[69mpC()]78ndu"
table2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
print(base64.b64decode(cipher.translate(str.maketrans(table1,table2))))

04_tianhe233_29

md5后

22116275198014dfb81c3332cb72d2fe

flag snnuctf{22116275198014dfb81c3332cb72d2fe}

CSTC2021 WriteUp_七月的博客-CSDN博客

snnuctf

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