祥云杯2022

Crypto tracing task.py from secret import p, q, flag from Crypto.Util.number import bytes_to_long def gcd(a, b): s = 0 while b != 0: print(a, b) if isOdd(a): if isOdd(b): a = a - b a = rshift1(a) if a < b: a, b = b, a else: b = rshift1(b) if a < b: a, b = b, a else: if isOdd(b): a = rshift1(a) if a < b: a,