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LibreSSL's PRNG is Unsafe on Linux [Update: LibreSSL fork fix]

Comment by Reader Daurnimator

This comment is owned by whoever posted it. I am not responsible for it in any way.

http://daurnimator.com/post/120415954844/linux-fork-detection-using-thread-specific

I was reading Linux’s keys.txt and realised that this provided a place to store process or even thread local data that didn’t depend on libc.

I wrote up an example to show how you might accomplish pid detection on Linux utilising the kernel’s thead specific keyring.

https://gist.github.com/daurnimator/dfdbaef3c255bdc11531

| Posted on 2015-06-01 at 04:38:42 UTC by Reader Daurnimator | Reply to This

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