.. index:: single: fips202_hash(A,B,C)
.. _fips202_hash/3:

.. rst-class:: right

**object**

``fips202_hash(A,B,C)``
=======================

Common implementation of the standardized FIPS 202 SHA-3 and SHAKE variants using the Keccak-f[1600] permutation.

| **Availability:** 
|    ``logtalk_load(hashes(loader))``

| **Author:** Paulo Moura
| **Version:** 1:0:0
| **Date:** 2026-04-04

| **Compilation flags:**
|    ``static, context_switching_calls``


| **Implements:**
|    ``public`` :ref:`hash_protocol <hash_protocol/0>`
| **Uses:**
|    :ref:`hash_common_32 <hash_common_32/0>`
|    :ref:`hash_common_64 <hash_common_64/0>`
|    :ref:`list <list/0>`

| **Remarks:**
|    (none)

| **Inherited public predicates:**
|     :ref:`hash_protocol/0::hash/2`  

.. contents::
   :local:
   :backlinks: top

Public predicates
-----------------

(no local declarations; see entity ancestors if any)

Protected predicates
--------------------

(no local declarations; see entity ancestors if any)

Private predicates
------------------

(no local declarations; see entity ancestors if any)

Operators
---------

(none)