sha3

C11 implementations of the following SHA-3 algorithms from FIPS 202 and SP 800-185:

• SHA3-224
• SHA3-256
• SHA3-384
• SHA3-512
• HMAC-SHA3-224
• HMAC-SHA3-256
• HMAC-SHA3-384
• HMAC-SHA3-512
• SHAKE128 and SHAKE128-XOF
• SHAKE256 and SHAKE256-XOF
• cSHAKE128 and cSHAKE128-XOF
• cSHAKE256 and cSHAKE256-XOF
• KMAC128 and KMAC128-XOF
• KMAC256 and KMAC256-XOF
• TupleHash128 and TupleHash128-XOF
• TupleHash256 and TupleHash256-XOF
• ParallelHash128 and ParallelHash128-XOF
• ParallelHash256 and ParallelHash256-XOF
• TurboHash128 and TurboHash256 (incomplete)

Use make to build a minimal test application, and make test to run the test suite.

References

• FIPS 202 - SHA-3 Standard: Permutation-Based Hash and Extendable-Output Functions
• NIST SP 800-185 - SHA-3 Derived Functions: cSHAKE, KMAC, TupleHash, and ParallelHash
• FIPS 198-1 - The Keyed-Hash Message Authentication Code (HMAC)
• NIST CSRC: Cryptographic Standards and Guidelines: Examples with Intermediate Values