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Results tagged with random-oracle-model
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user 63864
A model used in cryptographic security proofs, in which concrete primitives such as hash functions are replaced with a "random oracle": a hypothetical black box that maps its inputs to truly random outputs, but in such a way that the same input always yields the same output.
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What characteristics define a function to be a block cipher
I'm trying to understand what characteristics or properties make the result of a function a block cipher. I understand that for a function to be a block cipher it has to be invertible and can't be a o …
