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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | VERSIONS | STANDARDS | HISTORY | SEE ALSO | COLOPHON |
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KEYCTL_REVOKE(2const) KEYCTL_REVOKE(2const)
KEYCTL_REVOKE - revoke a key
Standard C library (libc, -lc)
#include <linux/keyctl.h> /* Definition of KEY* constants */
#include <sys/syscall.h> /* Definition of SYS_* constants */
#include <unistd.h>
long syscall(SYS_keyctl, KEYCTL_REVOKE, key_serial_t key);
Revoke the key with the ID provided in key. The key is scheduled
for garbage collection; it will no longer be findable, and will be
unavailable for further operations. Further attempts to use the
key will fail with the error EKEYREVOKED.
The caller must have write or setattr permission on the key.
On success, 0 is returned.
On error, -1 is returned, and errno is set to indicate the error.
A wrapper is provided in the libkeyutils library:
keyctl_revoke(3).
Linux.
Linux 2.6.10.
keyctl(2), keyctl_revoke(3)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
This page was obtained from the tarball man-pages-6.15.tar.gz
fetched from
⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
2025-08-11. If you discover any rendering problems in this HTML
version of the page, or you believe there is a better or more up-
to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not
part of the original manual page), send a mail to
man-pages@man7.org
Linux man-pages 6.15 2025-05-17 KEYCTL_REVOKE(2const)
Pages that refer to this page: keyctl(2), KEYCTL_SETPERM(2const)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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