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added official hacktheboo2024 writeups

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eplots 2024-10-23 11:10:43 +02:00
parent 1f7a9b0566
commit e3c46450f7
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1
htb/hacktheboo2024/crypto/[Very Easy] sugar free candies/challenge/flag.txt Normal file
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HTB{__protecting_the_secret_in_equations_is_not_secure__}

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htb/hacktheboo2024/crypto/[Very Easy] sugar free candies/challenge/output.txt Normal file
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v1 = 4196604293528562019178729176959696479940189487937638820300425092623669070870963842968690664766177268414970591786532318240478088400508536
v2 = 11553755018372917030893247277947844502733193007054515695939193023629350385471097895533448484666684220755712537476486600303519342608532236
v3 = 14943875659428467087081841480998474044007665197104764079769879270204055794811591927815227928936527971132575961879124968229204795457570030
v4 = 6336816260107995932250378492551290960420748628

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htb/hacktheboo2024/crypto/[Very Easy] sugar free candies/challenge/source.py Normal file
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from Crypto.Util.number import bytes_to_long
FLAG = open("flag.txt", "rb").read()
step = len(FLAG) // 3
candies = [bytes_to_long(FLAG[i:i+step]) for i in range(0, len(FLAG), step)]
cnd1, cnd2, cnd3 = candies
with open('output.txt', 'w') as f:
f.write(f'v1 = {cnd1**3 + cnd3**2 + cnd2}\n')
f.write(f'v2 = {cnd2**3 + cnd1**2 + cnd3}\n')
f.write(f'v3 = {cnd3**3 + cnd2**2 + cnd1}\n')
f.write(f'v4 = {cnd1 + cnd2 + cnd3}\n')