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gnutls_crypto_register_mac(3)       gnutls       gnutls_crypto_register_mac(3)

NAME
       gnutls_crypto_register_mac - API function

SYNOPSIS
       #include <gnutls/crypto.h>

       int gnutls_crypto_register_mac(gnutls_mac_algorithm_t algorithm, int
       priority, gnutls_mac_init_func init, gnutls_mac_setkey_func setkey,
       gnutls_mac_setnonce_func setnonce, gnutls_mac_hash_func hash,
       gnutls_mac_output_func output, gnutls_mac_deinit_func deinit,
       gnutls_mac_fast_func hash_fast);

ARGUMENTS
       gnutls_mac_algorithm_t algorithm
                   is the gnutls MAC identifier

       int priority
                   is the priority of the algorithm

       gnutls_mac_init_func init
                   A function which initializes the MAC

       gnutls_mac_setkey_func setkey
                   A function which sets the key of the MAC

       gnutls_mac_setnonce_func setnonce
                   A function which sets the nonce for the mac (may be NULL
                   for common MAC algorithms)

       gnutls_mac_hash_func hash
                   Perform the hash operation

       gnutls_mac_output_func output
                   Provide the output of the MAC

       gnutls_mac_deinit_func deinit
                   A function which deinitializes the MAC

       gnutls_mac_fast_func hash_fast
                   Perform the MAC operation in one go

DESCRIPTION
       This function will register a MAC algorithm to be used by gnutls.  Any
       algorithm registered will override the included algorithms and by
       convention kernel implemented algorithms have priority of 90 and
       CPU-assisted of 80.  The algorithm with the lowest priority will be
       used by gnutls.

DEPRECATED
       since 3.7.0 it is no longer possible to override cipher implementation

RETURNS
       GNUTLS_E_SUCCESS on success, otherwise a negative error code.

SINCE
       3.4.0

REPORTING BUGS
       Report bugs to <bugs@gnutls.org>.
       Home page: https://www.gnutls.org

COPYRIGHT
       Copyright (C) 2001- Free Software Foundation, Inc., and others.
       Copying and distribution of this file, with or without modification,
       are permitted in any medium without royalty provided the copyright
       notice and this notice are preserved.

SEE ALSO
       The full documentation for gnutls is maintained as a Texinfo manual.
       If the /usr/local/share/doc/gnutls/ directory does not contain the HTML
       form visit

       https://www.gnutls.org/manual/

gnutls                               3.7.9       gnutls_crypto_register_mac(3)