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ext4 crypto: add ext4 encryption Kconfig

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Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2015-04-11 07:46:47 -04:00
parent f542fbe8d5
commit b17655fb7f
1 changed files with 17 additions and 0 deletions
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17
fs/ext4/Kconfig
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@ -64,6 +64,23 @@ config EXT4_FS_SECURITY
If you are not using a security module that requires using If you are not using a security module that requires using
extended attributes for file security labels, say N. 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 config EXT4_DEBUG
bool "EXT4 debugging support" bool "EXT4 debugging support"
depends on EXT4_FS depends on EXT4_FS