KEYCTL_REVOKE(3) Linux Key Management Calls KEYCTL_REVOKE(3)
NAME
keyctl_revoke - revoke a key
SYNOPSIS
#include <keyutils.h>
long keyctl_revoke(key_serial_t key);
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.
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.
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The key has already been revoked.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.
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)
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