NAME

       gnutls_openpgp_crt_get_subkey_fingerprint - API function

SYNOPSIS

       #include <gnutls/openpgp.h>

       int  gnutls_openpgp_crt_get_subkey_fingerprint(gnutls_openpgp_crt_t key, unsigned int idx,
       void * fpr, size_t * fprlen);

ARGUMENTS

       gnutls_openpgp_crt_t key
                   the raw data that contains the OpenPGP public key.

       unsigned int idx
                   the subkey index

       void * fpr  the buffer to save the fingerprint, must hold at least 20 bytes.

       size_t * fprlen
                   the integer to save the length of the fingerprint.

DESCRIPTION

       Get key fingerprint of a subkey.  Depending on the algorithm, the fingerprint can be 16 or
       20 bytes.

RETURNS

       On success, 0 is returned.  Otherwise, an error code.

SINCE

       2.4.0

REPORTING BUGS

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

COPYRIGHT

       Copyright © 2001-2021 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

       http://www.gnutls.org/manual/