keyctl_invalidate(3) — Linux manual page


KEYCTL_INVALIDATE(3)   Linux Key Management Calls   KEYCTL_INVALIDATE(3)

NAME         top

       keyctl_invalidate - invalidate a key

SYNOPSIS         top

       #include <keyutils.h>

       long keyctl_invalidate(key_serial_t key);

DESCRIPTION         top

       keyctl_invalidate() invalidates a key.  The key is scheduled for
       immediate removal from all the keyrings that point to it, after
       which it will be deleted.  The key will be ignored by all
       searches once this function is called even if it is not yet fully
       dealt with.

       The caller must have search permission on a key to be able to
       invalidate it.

RETURN VALUE         top

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

ERRORS         top

       ENOKEY The key specified is invalid.

              The key specified has expired.

              The key specified had been revoked.

       EACCES The key exists, but is not searchable 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 2023-12-22.  (At that time, the date of the most recent commit
       that was found in the repository was 2023-03-20.)  If you
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Linux                          29 Aug 2013          KEYCTL_INVALIDATE(3)

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