---
name: "gnutls_openpgp_privkey_get_fingerprint"
section: "3"
platform: "linux"
package: "gnutls-doc"
version: "3.5.8-5+deb9u5"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/gnutls_openpgp_privkey_get_fingerprint"
---

# gnutls\_openpgp\_privkey\_get\_fingerprint(3)

API function

## NAME

gnutls\_openpgp\_privkey\_get\_fingerprint - API function

## SYNOPSIS

**#include \<gnutls/openpgp.h\>**

**int gnutls\_openpgp\_privkey\_get\_fingerprint(gnutls\_openpgp\_privkey\_t** *key***, void \*** *fpr***, size\_t \*** *fprlen***);**

## ARGUMENTS

- gnutls\_openpgp\_privkey\_t key

  the raw data that contains the OpenPGP secret key.

- 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 the fingerprint of the OpenPGP key. Depends on the algorithm, the fingerprint can be 16 or 20 bytes.

## RETURNS

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

## SINCE

2\.4.0

## REPORTING BUGS

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

## COPYRIGHT

Copyright © 2001-2020 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/