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Episode 250: What's the Deal with Hash Functions?

Zero Knowledge

Are the Rounds Always the Same or Are They Different?

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Every round can be slightly different and this kind of little bit difference is sort of a protection against certain types of attacks. There are some classes of attacks that the metronol very well is the attacks that try to walk around the number of rounds for example what we call meeting the middle or rebound attack. But ultimately the more rounds you have the more security so if you have like an infinite number of rounds it should be fine unless you have attacks like the slide attack that metronetionUnless you have a structural weakness but then you have a different design paradigm which is what reinforced concrete is doing.

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