1# SPDX-License-Identifier: GPL-2.0-only 2config FS_ENCRYPTION 3 bool "FS Encryption (Per-file encryption)" 4 select CRYPTO 5 select CRYPTO_AES 6 select CRYPTO_CBC 7 select CRYPTO_ECB 8 select CRYPTO_XTS 9 select CRYPTO_CTS 10 select CRYPTO_SHA512 11 select CRYPTO_HMAC 12 select KEYS 13 help 14 Enable encryption of files and directories. This 15 feature is similar to ecryptfs, but it is more memory 16 efficient since it avoids caching the encrypted and 17 decrypted pages in the page cache. Currently Ext4, 18 F2FS and UBIFS make use of this feature. 19