Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. Written by David Howells (firstname.lastname@example.org) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
NAMEkeyctl_revoke - Revoke a key
#include <keyutils.h> long keyctl_revoke(key_serial_t key);
DESCRIPTIONkeyctl_revoke() marks a key as being revoked. After this operation has been performed on a key, attempts to access it will meet with error EKEYREVOKED. The caller must have write permission on a key to be able revoke it.
RETURN VALUEOn success keyctl_revoke() returns 0. On error, the value -1 will be returned and errno will have been set to an appropriate error.
- The specified key does not exist.
- The key has already been revoked.
- The named key exists, but is not writable by the calling process.
LINKINGThis is a library function that can be found in libkeyutils. When linking, -lkeyutils should be specified to the linker.