from Crypto.Util.number import inverse import binascii e = 1 c = 9327565722767258308650643213344542404592011161659991421 n = 245841236512478852752909734912575581815967630033049838269083 # From factordb p = 416064700201658306196320137931 q = 590872612825179551336102196593 phi = (p-1) * (q-1) d = inverse(e,phi) m = pow(c,d,n) hex_str = hex(m)[2:] # Removing '0x' print(binascii.unhexlify(hex_str))