23 ms·
The SoC datasheet has this to say about the RNG http://pastehtml.com/view/crkxyohmp.rtxt http://pastehtml.com/view/crkxyohmp.rtxt Which is not particularly help
by __alexs 13y ago
The SoC datasheet has this to say about the RNG http://pastehtml.com/view/crkxyohmp.rtxt http://pastehtml.com/view/crkxyohmp.rtxt Which is not particularly helpful.
How it works is basically undocumented although I hear the RPi engineers believe it uses some sort of thermal noise as the source for entropy.
Broadcom do have HWRNG patents though...
https://www.google.co.uk/patents/US6748495 https://www.google.co.uk/patents/US6748495
https://www.google.co.uk/patents/US8229108 https://www.google.co.uk/patents/US8229108
- TerraHertz 13y agoBah. Both those patents are just basically traditional linear feedback shift register systems, plus some fudging to try and make the results better.