Hi All, I was going through libkcapi APIs to see if it can be used for DRBG CAVS validation. But I am thinking it cannot be. I also found cavs_driver.pl, this seems to depend on some kernel mode driver. Is it like I need to testmgr.c kind of an interface and that should be accessed by user mode. Please can any confirm if my understandings are correct? Regards, Jaya