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 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              The key has already been revoked.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),
       keyutils(7),
       keyrings(7)