Tagged Questions
4
votes
3answers
164 views
What would the cryptographic impact be of knowing the output of /dev/urandom?
Another noob question, I know, but something I'm unsure about.
If I somehow magically knew the output of /dev/urandom at any given time, how much would that weaken a given encryption system? Or, ...
15
votes
3answers
458 views
If I have two identical linux virtual machine images, will they generate identical random numbers?
A really noob question, I know, but something I was wondering about this morning. If this were the case, would they encrypt things identically?
Or maybe someone could direct me to a helpful research ...
3
votes
3answers
362 views
Pseudo Random Generator is not initialized from the (entropy pool)?
The RHEL5 manuals state that /dev/urandom will use the entropy pool until it's exhausted, and then it will resort to a fall-back pseudo-random algorithm, so that it will never block.
But when ...
3
votes
2answers
958 views
/dev/random security holes
I'm doing some reading into the security issues surrounding /dev/random but it's proving to be hard to find good sources of information. Can anybody help? I've asked Google and got a bunch of articles ...