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ext4 crypto: add encryption key management facilities

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Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Ildar Muslukhov <muslukhovi@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Michael Halcrow
2015-04-12 00:55:06 -04:00
committed by Theodore Ts'o
parent b30ab0e034
commit 88bd6ccdcd
4 changed files with 179 additions and 1 deletions
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3
fs/ext4/ext4_crypto.h
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@@ -55,6 +55,9 @@ struct ext4_encryption_context {
#define EXT4_AES_256_XTS_KEY_SIZE 64
#define EXT4_MAX_KEY_SIZE 64
#define EXT4_KEY_DESC_PREFIX "ext4:"
#define EXT4_KEY_DESC_PREFIX_SIZE 5
struct ext4_encryption_key {
uint32_t mode;
char raw[EXT4_MAX_KEY_SIZE];