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
2.4.0COPYRIGHT
Copyright © 2001-2016 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.

