7 ms·
That's not a given. As far as I know, there is no proof of the security or lack thereof of this kind of function. Increases in computing power alone can't rend
by marcan_42 5y ago
That's not a given. As far as I know, there is no proof of the security or lack thereof of this kind of function.
Increases in computing power alone can't render SHA256 insecure; that can be proven by thermodynamic/size-of-the-universe arguments. You need an actual cryptographic weakness.
- newby 5y ago> Increases in computing power alone can't render SHA256 insecure; that can be proven by thermodynamic/size-of-the-universe arguments. Fascinating. Could you please recommend a source where a curious layman could learn more about this?
- marcan_42 5y agoI posted a link and some further analysis in this comment: https://news.ycombinator.com/item?id=29883965 https://news.ycombinator.com/item?id=29883965