File system anti-hacking function to prevent illegal forging or modifying file/data

--Prevention of illegal activities such as draining,
--destroying and forging/modifying file/data after
--missing of system administrator's privileges

--Access privilege configuration and control
--of files and directories for each user and access --mode(read, write, execute, etc.)

Strict identification, authentication and non-repudiation based on digital signature certificate

--Issuance of digital signature certificate of user and support of international
--standard, x.509 v3 Certificate

--Support of a variety of digital signature algorithms such as KCDSA, RSA, DAS etc.

--Support of a variety of cryptographic algorithms such as SEED, DES,
-- 3-DES, IDEA etc.

Support of a variety of mechanisms for storage/management of digital signature key and certificate
--Smart Card
--USB Token
--Floppy Disk etc

Powerful audit logging on kernel level for AM (After Management)
--Security-related event logging of all users including security administrator