keyctl_revoke - revoke a key
Contents
Description
keyctl_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 to revoke it.
Errors
ENOKEY The specified key does not exist.
EKEYREVOKED
The key has already been revoked.
EACCES The named key exists, but is not writable by the calling process.
Linking
This is a library function that can be found in libkeyutils. When linking, -lkeyutils should be
specified to the linker.
Name
keyctl_revoke - revoke a key
Return Value
On success keyctl_revoke() returns 0. On error, the value -1 will be returned and errno will have been
set to an appropriate error.
See Also
keyctl(1), add_key(2), keyctl(2), request_key(2), keyctl(3), keyrings(7), keyutils(7)
Linux 4 May 2006 KEYCTL_REVOKE(3)
Synopsis
#include<keyutils.h>longkeyctl_revoke(key_serial_tkey);
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