---
name: "gnutls_x509_crt_check_revocation"
section: "3"
platform: "linux"
package: "gnutls"
version: "3.8.13-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/gnutls_x509_crt_check_revocation"
---

# gnutls\_x509\_crt\_check\_revocation(3)

API function

## NAME

gnutls\_x509\_crt\_check\_revocation - API function

## SYNOPSIS

**#include \<gnutls/x509.h\>**

**int gnutls\_x509\_crt\_check\_revocation(gnutls\_x509\_crt\_t** *cert***, const gnutls\_x509\_crl\_t \*** *crl\_list***, unsigned** *crl\_list\_length***);**

## ARGUMENTS

- gnutls\_x509\_crt\_t cert

  should contain a **gnutls\_x509\_crt\_t** type

- const gnutls\_x509\_crl\_t \* crl\_list

  should contain a list of gnutls\_x509\_crl\_t types

- unsigned crl\_list\_length

  the length of the crl\_list

## DESCRIPTION

This function will check if the given certificate is revoked.  It is assumed that the CRLs have been verified before.

## RETURNS

0 if the certificate is NOT revoked, and 1 if it is.  A negative error code is returned on error.

## REPORTING BUGS

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

## COPYRIGHT

Copyright © 2001-2023 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

- https://www.gnutls.org/manual/
