keyctl_revoke(3) — Linux manual page


KEYCTL_REVOKE(3)       Linux Key Management Calls       KEYCTL_REVOKE(3)

NAME         top

       keyctl_revoke - revoke a key

SYNOPSIS         top

       #include <keyutils.h>

       long keyctl_revoke(key_serial_t key);

DESCRIPTION         top

       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         top

       On success keyctl_revoke() returns 0.  On error, the value -1
       will be returned and errno will have been set to an appropriate

ERRORS         top

       ENOKEY The specified key does not exist.

              The key has already been revoked.

       EACCES The named key exists, but is not writable by the calling

LINKING         top

       This is a library function that can be found in libkeyutils.
       When linking, -lkeyutils should be specified to the linker.

SEE ALSO         top

       keyctl(1), add_key(2), keyctl(2), request_key(2), keyctl(3),
       keyrings(7), keyutils(7)

COLOPHON         top

       This page is part of the keyutils (key management utilities)
       project.  Information about the project can be found at [unknown
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       bug report for this manual page, send it to  This page was obtained from the
       project's upstream Git repository
       on 2024-06-14.  (At that time, the date of the most recent commit
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Linux                          4 May 2006               KEYCTL_REVOKE(3)

Pages that refer to this page: keyctl(2)keyctl(3)