第1原像攻撃
#IrisCTF2024 from Crypto.Util.number import getPrime, isPrime e = 65537 N = 1 while (N - 1) % e == 0: N = getPrime(2048) def xor(a, b): return bytes(x^y for x,y in zip(a,b)) class MySeededHash(): def __init__(self, N, e): self.N = N self.e…
#IrisCTF2024 from Crypto.Util.number import getPrime, isPrime e = 65537 N = 1 while (N - 1) % e == 0: N = getPrime(2048) def xor(a, b): return bytes(x^y for x,y in zip(a,b)) class MySeededHash(): def __init__(self, N, e): self.N = N self.e…