18 lines
1.1 KiB
Python
18 lines
1.1 KiB
Python
#easyctf{3ncrypt_m3!}
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p = 8144194198641127053467521063088973929365485175581336279930490759203400725623086153929294542350943040473375790841894343662879542882143670576484983482676929
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q = 9349990237178389195581522619084514015305492951423232071317276234453300521753669715890246992825146527366147991960266180184131002960074501683578205688324193
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n = p*q
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l = (p-1)*(q-1)
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g = n+1
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mu = 50461441817124067084598541006218828107720370909059246792962232658242869571003990015294541684702084151173329882441771747115542549562899610400402036968340066285127945127930744036805832623326255171902722383305695091973581469008587730106329093915495096858331002656658189454919392650001488548518482449865519307486
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m = int(raw_input('Enter a message to encrypt: '))
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r = int(raw_input('Enter r (int): '))
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if m > 100000000000000000 or m < 0:
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print('Bad m. We only take m from 0 to 100000000000000000.')
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exit()
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if r > 100000000000000000 or r < 0:
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print('Bad r. We only take r from 0 to 100000000000000000.')
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exit()
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c = (pow(g,m,n**2)*pow(r,n,n**2))%(n**2)
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print 'c: '+str(c)
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