Questions tagged [kmac]

KMAC or Keccak Message Authentication Code is a proposed MAC based on the SHA-3 hash.

2 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2
votes
0answers
174 views

Using NIST constructions based on Keccak like cSHAKE128 for other sponges

NIST defines a lot of interesting applications of sponges in FIPS 202 and NIST SP 800-185 like the XOF cSHAKE128 or the MAC scheme KMAC. All this schemes come with a security guarantee and are ...
1
vote
0answers
58 views

Parallel MAC vs doubled rounds for SipHash, KMAC and others

SipHash 4-8 is documented by the authors as being about half the speed of SipHash 2-4 and is obviously the more conservative option. I was wondering from a security perspective how this would compare ...