NAME

       gnutls_x509_crt_get_signature_oid - API function

SYNOPSIS

       #include <gnutls/x509.h>

       int   gnutls_x509_crt_get_signature_oid(gnutls_x509_crt_t  cert,  char  *  oid,  size_t  *
       oid_size);

ARGUMENTS

       gnutls_x509_crt_t cert
                   should contain a gnutls_x509_crt_t type

       char * oid  a pointer to a buffer to hold the OID (may be null)

       size_t * oid_size
                   initially holds the size of  oid

DESCRIPTION

       This function will return the OID of the signature algorithm that has been  used  to  sign
       this     certificate.     This     is     function     is     useful     in    the    case
       gnutls_x509_crt_get_signature_algorithm() returned GNUTLS_SIGN_UNKNOWN.

RETURNS

       zero or a negative error code on error.

SINCE

       3.5.0

REPORTING BUGS

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

COPYRIGHT

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

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