Questions tagged [gimli]
Question related to Gimli : usage, security, cryptanalysis.
3 questions with no upvoted or accepted answers
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Does the security proof of HMAC somehow change if it's instantiated with sponge-based hash functions with small rate and large capacity?
HMAC was introduced in [1], as a MAC that has its security proof based on the properties on the underlaying hash function.
The hash functions considered in that paper were ones based on the Merkle-...
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Provably secure way of expanding permutations
Gimli is a 384-bit permutation that makes use of an internal 96-bit permutation which works on columns. Every 4 rounds starting from the 1st a "small swap" is performed and every 4 rounds ...
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CSPRNG for Contract Bridge (RAND_MAX = 0xAD55E315634DDA658BF49200)
Some background information:
In contract bridge, there are 0xAD55E315634DDA658BF49200 (just under 2^96) possible bridge deals. Since the 1990s, bridge deals for major tournaments were generated on ...