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NAME

       gnutls_x509_crt_get_verify_algorithm  -  get  hash  algorithm  used  to
       verify signature.

SYNOPSIS

       #include <gnutls/x509.h>

       int gnutls_x509_crt_get_verify_algorithm(gnutls_x509_crt_t  crt,  const
       gnutls_datum_t * signature, gnutls_digest_algorithm_t * hash);

ARGUMENTS

       gnutls_x509_crt_t crt
                   Holds the certificate

       const gnutls_datum_t * signature
                   contains the signature

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

DESCRIPTION

       This function will read the certifcate and the signed data to determine
       the hash algorithm used to generate the signature.

RETURNS

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

SINCE

       2.8.0

REPORTING BUGS

       Report   bugs   to    <bug-gnutls@gnu.org>.     GnuTLS    home    page:
       http://www.gnu.org/software/gnutls/  General  help  using GNU software:
       http://www.gnu.org/gethelp/

COPYRIGHT

       Copyright © 2008 Free Software Foundation.
       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  info  and gnutls programs are properly installed at your site,
       the command

              info gnutls

       should give you access to the complete manual.

gnutls                               2.gnutls_x509_crt_get_verify_algorithm(3)