---
name: "gnutls_certificate_set_openpgp_keyring_mem"
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_certificate_set_openpgp_keyring_mem"
---

# gnutls\_certificate\_set\_openpgp\_keyring\_mem(3)

API function

## NAME

gnutls\_certificate\_set\_openpgp\_keyring\_mem - API function

## SYNOPSIS

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

**int gnutls\_certificate\_set\_openpgp\_keyring\_mem(gnutls\_certificate\_credentials\_t**         *c***, const uint8\_t \*** *data***, size\_t** *dlen***, gnutls\_openpgp\_crt\_fmt\_t** *format***);**

## ARGUMENTS

- gnutls\_certificate\_credentials\_t c

  A certificate credentials structure

- const uint8\_t \* data

  buffer with keyring data.

- size\_t dlen

  length of data buffer.

- gnutls\_openpgp\_crt\_fmt\_t format

  the format of the keyring

## DESCRIPTION

The function is used to set keyrings that will be used internally by various OpenPGP functions. For example to find a key when it is needed for an operations. The keyring will also be used at the verification functions.

## RETURNS

On success, **GNUTLS\_E\_SUCCESS** (0) is returned, otherwise a negative error value.

## 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/