def __setstate__(self, state): n, e = state["n"], state["e"] if not state.has_key("d"): self.key = _fastmath.rsa_construct(n, e) else: d = state["d"] if not state.has_key("q"): self.key = _fastmath.rsa_construct(n, e, d) else: p, q, u = state["p"], state["q"], state["u"] self.key = _fastmath.rsa_construct(n, e, d, p, q, u)
def generate_c(bits, randfunc, progress_func=None): # Generate the prime factors of n if progress_func: progress_func("p,q\n") p = q = 1L while number.size(p * q) < bits: p = pubkey.getPrime(bits / 2, randfunc) q = pubkey.getPrime(bits / 2, randfunc) # p shall be smaller than q (for calc of u) if p > q: (p, q) = (q, p) if progress_func: progress_func("u\n") u = pubkey.inverse(p, q) n = p * q e = 65537L if progress_func: progress_func("d\n") d = pubkey.inverse(e, (p - 1) * (q - 1)) key = _fastmath.rsa_construct(n, e, d, p, q, u) obj = RSAobj_c(key) ## print p ## print q ## print number.size(p), number.size(q), number.size(q*p), ## print obj.size(), bits assert bits <= 1 + obj.size(), "Generated key is too small" return obj