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



NAME
       keyctl_invalidate - Invalidate a key

SYNOPSIS
       #include <keyutils.h>

       long keyctl_invalidate(key_serial_t key);

DESCRIPTION
       keyctl_invalidate()  invalidates a key.	The key is scheduled for imme-
       diate 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  invali-
       date it.

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

ERRORS
       ENOKEY The key specified is invalid.

       EKEYEXPIRED
	      The key specified has expired.

       EKEYREVOKED
	      The key specified had been revoked.

       EACCES The key exists, but is not searchable 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),
       request-key(8)



Linux				  29 Aug 2013		  KEYCTL_INVALIDATE(3)