How good is security via hashing

[Christian Heimes]

Am 07.06.2011 20:26, schrieb Terry Reedy:
> On 6/7/2011 7:35 AM, Robin Becker wrote:
> 
>> I guess what I'm asking is whether any sequence that's using random to
>> generate random numbers is predictable if enough samples are drawn.
> 
> Apparently so. random.random is *not* 'cryptographically secure'.
> https://secure.wikimedia.org/wikipedia/en/wiki/Cryptographically_secure_pseudorandom_number_generator
> 
> One of Python's crypto wrapper modules (sorry, forget which one) was 
> recently modified to expose the crypto rng functions in the wrapped C 
> library. It should be mentioned in What New for 3.3. You might be able 
> to get at the same functions with ctypes.

PyCrypto has a strong pseudorandom number generator, too.