.\" DO NOT MODIFY THIS FILE!  It was generated by gdoc.
.TH "gnutls_openpgp_crt_get_subkey_fingerprint" 3 "3.5.8" "gnutls" "gnutls"
.SH NAME
gnutls_openpgp_crt_get_subkey_fingerprint \- API function
.SH SYNOPSIS
.B #include <gnutls/openpgp.h>
.sp
.BI "int gnutls_openpgp_crt_get_subkey_fingerprint(gnutls_openpgp_crt_t " key ", unsigned int " idx ", void * " fpr ", size_t * " fprlen ");"
.SH ARGUMENTS
.IP "gnutls_openpgp_crt_t key" 12
the raw data that contains the OpenPGP public key.
.IP "unsigned int idx" 12
the subkey index
.IP "void * fpr" 12
the buffer to save the fingerprint, must hold at least 20 bytes.
.IP "size_t * fprlen" 12
the integer to save the length of the fingerprint.
.SH "DESCRIPTION"
Get key fingerprint of a subkey.  Depending on the algorithm, the
fingerprint can be 16 or 20 bytes.
.SH "RETURNS"
On success, 0 is returned.  Otherwise, an error code.
.SH "SINCE"
2.4.0
.SH "REPORTING BUGS"
Report bugs to <bugs@gnutls.org>.
.br
Home page: http://www.gnutls.org

.SH COPYRIGHT
Copyright \(co 2001-2017 Free Software Foundation, Inc., and others.
.br
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.
.SH "SEE ALSO"
The full documentation for
.B gnutls
is maintained as a Texinfo manual.
If the /usr/share/doc/gnutls/
directory does not contain the HTML form visit
.B
.IP http://www.gnutls.org/manual/
.PP