SGX' do_rand(), trying rdrand up to 10 timespic.twitter.com/jKtpp2DaGA
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It would allow local DoS, even from tight sandboxes, since the output can apparently be exhausted.
The underlying design seems to be fundamentally broken. Only works as an extra source of seed entropy.
Indeed, a random number source that "runs out" seems to indicate a fundamental conceptual failure.
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