1*ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 20b81d077SJaegeuk Kimconfig FS_ENCRYPTION 3643fa961SChandan Rajendra bool "FS Encryption (Per-file encryption)" 40b81d077SJaegeuk Kim select CRYPTO 50b81d077SJaegeuk Kim select CRYPTO_AES 60b81d077SJaegeuk Kim select CRYPTO_CBC 70b81d077SJaegeuk Kim select CRYPTO_ECB 80b81d077SJaegeuk Kim select CRYPTO_XTS 90b81d077SJaegeuk Kim select CRYPTO_CTS 10b7e7cf7aSDaniel Walter select CRYPTO_SHA256 110b81d077SJaegeuk Kim select KEYS 120b81d077SJaegeuk Kim help 130b81d077SJaegeuk Kim Enable encryption of files and directories. This 140b81d077SJaegeuk Kim feature is similar to ecryptfs, but it is more memory 150b81d077SJaegeuk Kim efficient since it avoids caching the encrypted and 16643fa961SChandan Rajendra decrypted pages in the page cache. Currently Ext4, 17643fa961SChandan Rajendra F2FS and UBIFS make use of this feature. 18