From b17655fb7f4a1d27c1e50dcc28268612da944a54 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Sat, 11 Apr 2015 07:46:47 -0400 Subject: [PATCH] ext4 crypto: add ext4 encryption Kconfig Signed-off-by: Michael Halcrow Signed-off-by: Theodore Ts'o --- fs/ext4/Kconfig | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig index efea5d5c44ce..18228c201f7f 100644 --- a/fs/ext4/Kconfig +++ b/fs/ext4/Kconfig @@ -64,6 +64,23 @@ config EXT4_FS_SECURITY If you are not using a security module that requires using extended attributes for file security labels, say N. +config EXT4_FS_ENCRYPTION + bool "Ext4 Encryption" + depends on EXT4_FS + select CRYPTO_AES + select CRYPTO_CBC + select CRYPTO_ECB + select CRYPTO_XTS + select CRYPTO_CTS + select CRYPTO_SHA256 + select KEYS + select ENCRYPTED_KEYS + help + Enable encryption of ext4 files and directories. This + feature is similar to ecryptfs, but it is more memory + efficient since it avoids caching the encrypted and + decrypted pages in the page cache. + config EXT4_DEBUG bool "EXT4 debugging support" depends on EXT4_FS