oracular (3) gnutls_pubkey_get_preferred_hash_algorithm.3.gz

Provided by: gnutls-doc_3.8.6-2ubuntu1.1_all bug

NAME
       gnutls_pubkey_get_preferred_hash_algorithm - API function


SYNOPSIS
       #include <gnutls/abstract.h>

       int  gnutls_pubkey_get_preferred_hash_algorithm(gnutls_pubkey_t  key,  gnutls_digest_algorithm_t  * hash,
       unsigned int * mand);


ARGUMENTS
       gnutls_pubkey_t key
                   Holds the certificate

       gnutls_digest_algorithm_t * hash
                   The result of the call with the hash algorithm used for signature

       unsigned int * mand
                   If non zero it means that the algorithm MUST use this hash. May be NULL.


DESCRIPTION
       This function will read the certificate and return the appropriate digest algorithm to  use  for  signing
       with  this  certificate.  Some  certificates  (i.e.   DSA might not be able to sign without the preferred
       algorithm).

       To get the signature algorithm instead of just the hash use gnutls_pk_to_sign() with the algorithm of the
       certificate/key and the provided  hash .


RETURNS
       the 0 if the hash algorithm is found. A negative error code is returned on error.


SINCE
       2.12.0


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


       Copyright © 2001-2023 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/share/doc/gnutls/
       directory does not contain the HTML form visit

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