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2025-12-04 09:57:17 +01:00
commit 0054cc02b1
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import sympy
n = 15956250162063169819282947443743274370048643274416742655348817823973383829364700573954709256391245826513107784713930378963551647706777479778285473302665664446406061485616884195924631582130633137574953293367927991283669562895956699807156958071540818023122362163066253240925121801013767660074748021238790391454429710804497432783852601549399523002968004989537717283440868312648042676103745061431799927120153523260328285953425136675794192604406865878795209326998767174918642599709728617452705492122243853548109914399185369813289827342294084203933615645390728890698153490318636544474714700796569746488209438597446475170891
e = 0x10001
p, q = sympy.factorint(n)
phi = (p-1)*(q-1)
d = inverse(e, phi)
c = 3591116664311986976882299385598135447435246460706500887241769555088416359682787844532414943573794993699976035504884662834956846849863199643104254423886040489307177240200877443325036469020737734735252009890203860703565467027494906178455257487560902599823364571072627673274663460167258994444999732164163413069705603918912918029341906731249618390560631294516460072060282096338188363218018310558256333502075481132593474784272529318141983016684762611853350058135420177436511646593703541994904632405891675848987355444490338162636360806437862679321612136147437578799696630631933277767263530526354532898655937702383789647510
test =

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CTF/CryptoSystem/file.py Normal file
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from Crypto.Util.number import *
from flag import FLAG
def primo(n):
n += 2 if n & 1 else 1
while not isPrime(n):
n += 2
return n
p = getPrime(1024)
q = primo(p)
n = p * q
e = 0x10001
d = inverse(e, (p-1) * (q-1))
c = pow(bytes_to_long(FLAG.encode()), e, n)