Appraise integrity measurements

configname: CONFIG_IMA_APPRAISE

Linux Kernel Configuration
└─>Security options
└─>Appraise integrity measurements
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This option enables local measurement integrity appraisal.
It requires the system to be labeled with a security extended
attribute containing the file hash measurement. To protect
the security extended attributes from offline attack, enable
and configure EVM.

For more information on integrity appraisal refer to:
<http://linux-ima.sourceforge.net>
If unsure, say N.