config ECRYPT_FS tristate "eCrypt filesystem layer support (EXPERIMENTAL)" depends on EXPERIMENTAL && KEYS && CRYPTO select CRYPTO_ECB select CRYPTO_CBC select CRYPTO_MD5 help Encrypted filesystem that operates on the VFS layer. See to learn more about eCryptfs. Userspace components are required and can be obtained from . To compile this file system support as a module, choose M here: the module will be called ecryptfs. config WTL_ENCRYPTION_FILTER bool "Enables filtering for some files not to encrypt on eCryptfs" default n depends on ECRYPT_FS help Modification of encrypted filesystem for SD card encryption