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by benlivengood
1926 days ago
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> They probably did this for speed. Faster than library calls or system calls. Xorshift is faster than RDRAND and json-c is using lookup3 for hashing (unless I'm missing some other use of the RDRAND data) so it doesn't need cryptographic RNG. > Apparently too hard for the clowns at AMD. AFAIK it's a "solved problem" on Intel hardware. (Has there ever been a problem with the hardware in any Intel CPU?) Meltdown/Spectre of course. As I posted earlier there's also an Intel microcode update that makes RDRAND much slower. https://www.phoronix.com/scan.php?page=news_item&px=RdRand-3... |
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