SHA-3 and Keccak (FIPS 202)
Official docs outline
5 sections- SHA-3 standard (FIPS 202)
SHA3-224/256/384/512 and SHAKE128/256 specifications.
- Keccak sponge construction
Permutation steps theta, rho, pi, chi, iota.
- SHA-3 derived functions (SP 800-185)
cSHAKE, KMAC, TupleHash and ParallelHash.
- SHAKE in CMS
Using SHAKE for signatures and KDFs in CMS.
- NIST hash functions project
Overview of approved hash algorithms.
Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.