config EVM boolean "EVM support" depends on SECURITY select KEYS select ENCRYPTED_KEYS select CRYPTO_HMAC select CRYPTO_SHA1 default n help EVM protects a file's security extended attributes against integrity attacks. If you are unsure how to answer this question, answer N. config EVM_HMAC_VERSION int "EVM HMAC version" depends on EVM default 2 help This options adds EVM HMAC version support. 1 - original version 2 - add per filesystem unique identifier (UUID) (default) WARNING: changing the HMAC calculation method or adding additional info to the calculation, requires existing EVM labeled file systems to be relabeled.