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题目描述:
d4e8e1f4a0f7e1f3a0e6e1f3f4a1a0d4e8e5a0e6ece1e7a0e9f3baa0c4c4c3d4c6fbb9e1e6b3e3b9e4b3b7b7e2b6b1e4b2b6b9e2b1b1b3b3b7e6b3b3b0e3b9b3b5e6fd
将字符串分为2个一组,16进制解码-128,ascii编码
#python
a='''d4e8e1f4a0f7e1f3a0e6e1f3f4a1a0d4e8e5a0e6ece1e7a0e9f3baa0c4c4c3d4c6fbb9e1e6b3e3b9e4b3b7b7e2b6b1e4b2b6b9e2b1b1b3b3b7e6b3b3b0e3b9b3b5e6fd'''
b=[]
for i in range(0,len(a),2):
b.append(int(i,16))
for i in range(120,130):
''.join([chr(o-i) for o in b]) #Output:
'\pi|(x7fi{(ni{|)(\pm(ntio(q{B(LLK\Nx83Ain;kAl;??j>9l:>Aj99;;?n;;8kA;=nx85'
"[oh{'~hz'mhz{('[ol'mshn'pzA'KKJ[Mx82@hm:j@k:>>i=8k9=@i88::>m::7j@:<mx84"
"Zngz&}gy&lgyz'&Znk&lrgm&oy@&JJIZLx81?gl9i?j9==h<7j8<?h7799=l996i?9;lx83"
'Ymfy%|fx%kfxy&%Ymj%kqfl%nx?%IIHYKx80>fk8h>i8<<g;6i7;>g6688<k885h>8:kx82'
'Xlex${ew$jewx%$Xli$jpek$mw>$HHGXJx7f=ej7g=h7;;f:5h6:=f5577;j774g=79jx81'
'Wkdw#zdv#idvw$#Wkh#iodj#lv=#GGFWI~<di6f<g6::e94g59<e4466:i663f<68ix80'
'Vjcv"ycu"hcuv#"Vjg"hnci"ku<"FFEVH};ch5e;f599d83f48;d33559h552e;57hx7f'
'Uibu!xbt!gbtu"!Uif!gmbh!jt;!EEDUG|:bg4d:e488c72e37:c22448g441d:46g~'
'That was fast! The flag is: DDCTF{9af3c9d377b61d269b11337f330c935f}'
'Sg`sx1fv`rx1fe`rs x1fSgdx1fek`fx1fhr9x1fCCBSEz8`e2b8c266a50c158a00226e22/b824e|'