ASCIS 2022 - warm up
Note : A JOURNEY TO GAIN KNOWLEDGE
Crypto
I came, I saw, I conquered
chall
jhlzhy dhz h wvspapjphu huk nlulyhs vm aol shal yvthu ylwbispJ, dov nylhasf lealuklk aol yvthu ltwpyl ilmvyl zlpgpun wvdly huk tHrpun optzlsm kpjahavy vm yvtl, whcpun aol dhf mvy aol ptwlyphs zfzalt.
qbspbz jhlzhy dhz ivyu pu yvtL vu 12 vy 13 qbsf 100 ij puav aol wylzapnpvbz qbsphu jshu. opz mhtpsf dlyl jsvzlsf jvuuljalk dpao aol thyphu mhjapvu pu yvthu wvspapjz. jhlzhy optzlsm wyvnylzzlk dpaopu aol yvthu wvspapjhs zfzalt, iljvtpun pu zbjjlzzpvu xbhlZavy (69), hlkpsl (65) huk wyhlavy (62). pu 61-60 ij ol zlyclk hz nvclyuvy vm aol yvtHu wyvcpujl vm zwhpu. ihjr pu yvtl pu 60, jhlzhy thkl h whja dpao wvtwlf huk jyhzzbz, dov olswlk opt av nla lsljalk hz jvuzbs mvy 59 ij. aol mvssvdpun flhy ol dhz hwwvpualk nvclyuvy vm yvthu nhbs dolyl ol zahflk mvy lpnoa flhyz, hkkpun aol dovsl vm tvklYu myhujl huk ilsnpbt av aol yvthu ltwpyl, huk thrPun yvtl zhml myvt aol wvzzpipspaf vm nhsspj puchzpvuz. ol thkl adv lewlkpapvuz av iYpahpu, pu 55 ij huk 54 ij.
jhlzhy aolu yLabyulk av pahsf, kpzylnhykpun aol Hbaovypaf vm aol zluhal huk mhtvbzsf jyvzzpun aol ybipjvu ypcly dpaovba kpzihukpun opz hytf. pu aol luzbpun jpcps dhy jhlzhy klmlhalk aol ylwbispjhu mvyjlz. wvtwlf, aolpy slhkly, mslk av lnfwa dolyl ol dhz hzzhzzpuhalk. jhlzhy mvssvdlk opt huk iljhtl yvthuapjhSsf pucvsclk dpao aol lnfwaphu xbllu, jslvwhayh.
jhlzhy dhz uvd thzaly vm yvtl huk thkl optzlsm jvuzbs huk kpjahavy. ol bzlk opz wvdly av jhyyf vba tbjo-ullklk ylmvyt, ylsplcpun klia, lushynpun aol zluhal, ibpskpun aol mvybt pbspbt huk ylcpzpun aol jhslukhy. kpjahavyzopw dhz hsdhfz ylnhyklk h altwvyhyf wvzpapvu iba pu 44 ij, jhlzhy avvr pa mvy spml. opz zbjjlzz huk htipapvu hspluhalk zayvunsf ylwbispjhu zluhavyz. h nyvbw vm aolzl, slk if jhzzpbz huk iybabz, hzzhzzpuhalk jhlzhy vu aol pklz (15) vm thyjo 44 ij. aopz zwhyrlk aol mpuhs yvbuk vm jpcps dhyz aoha luklk aol ylwbispj huk iyvbnoa hivba aol lslchapvu vm jhlzhy'z nylha ulwold huk klzpnuhalk olpy, vjahcphu, hz hbnbzabz, aol mpyza ltwlyvy.Work-flow
solve
f = open("cipher.txt", "r")
cipher = f.read()
import string
alpha = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"
for i in cipher:
if i == i.upper() and i in alpha :
print(i, end="")Checksum
Chall
Work-flow

solve


WEB
AscisStore1
chall

Work-flow

solve
AscisStore2
Chall

Work-flow


solve


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