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.. SPDX-License-Identifier: GPL-2.0-or-later

Hash functions, MACs, and XOFs
==============================

AES-CMAC and AES-XCBC-MAC
-------------------------

Support for the AES-CMAC and AES-XCBC-MAC message authentication codes.

.. kernel-doc:: include/crypto/aes-cbc-macs.h

BLAKE2b
-------

Support for the BLAKE2b cryptographic hash function.

.. kernel-doc:: include/crypto/blake2b.h

BLAKE2s
-------

Support for the BLAKE2s cryptographic hash function.

.. kernel-doc:: include/crypto/blake2s.h

GHASH and POLYVAL
-----------------

Support for the GHASH and POLYVAL universal hash functions.  These algorithms
are used only as internal components of other algorithms.

.. kernel-doc:: include/crypto/gf128hash.h

MD5
---

Support for the MD5 cryptographic hash function and HMAC-MD5.  This algorithm is
obsolete and is supported only for backwards compatibility.

.. kernel-doc:: include/crypto/md5.h

NH
--

Support for the NH universal hash function.  This algorithm is used only as an
internal component of other algorithms.

.. kernel-doc:: include/crypto/nh.h

Poly1305
--------

Support for the Poly1305 universal hash function.  This algorithm is used only
as an internal component of other algorithms.

.. kernel-doc:: include/crypto/poly1305.h

SHA-1
-----

Support for the SHA-1 cryptographic hash function and HMAC-SHA1.  This algorithm
is obsolete and is supported only for backwards compatibility.

.. kernel-doc:: include/crypto/sha1.h

SHA-2
-----

Support for the SHA-2 family of cryptographic hash functions, including SHA-224,
SHA-256, SHA-384, and SHA-512.  This also includes their corresponding HMACs:
HMAC-SHA224, HMAC-SHA256, HMAC-SHA384, and HMAC-SHA512.

.. kernel-doc:: include/crypto/sha2.h

SHA-3
-----

The SHA-3 functions are documented in :ref:`sha3`.

SM3
---

Support for the SM3 cryptographic hash function.

.. kernel-doc:: include/crypto/sm3.h