config ECRYPT_FS tristate "eCrypt filesystem layer support (EXPERIMENTAL)" depends on EXPERIMENTAL && KEYS && CRYPTO && (ENCRYPTED_KEYS || ENCRYPTED_KEYS=n) 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.