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Episode 250: What's the Deal with Hash Functions?
Zero Knowledge
How to Design a Secure Hash Function?
The game is to find the right tradeoff between security, security assurance and confidence and security because as some people say attacks always get better. So instead of like making it like 10 times faster, you make it only 5 times as fast, but twice more secure. This kind of means that we see quite little progress in cryptanalysis of traditional hash function since they become so fast. We can introduce much bigger security margin into them and they are not a bottleneck. It's also acceptably fast if you have a single core.
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