Comment on Ask HN: What did Sony do wrong with PS3 signing?Comments−stop501yFor publickey cryptography you need a lot of high quality random numbers, but those are tricky to generate, so sony saved time and reused some of them to save cpu time.
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For publickey cryptography you need a lot of high quality random numbers, but those are tricky to generate, so sony saved time and reused some of them to save cpu time.