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authorEric Biggers <ebiggers@google.com>2020-01-20 14:31:58 -0800
committerEric Biggers <ebiggers@google.com>2020-01-22 14:49:56 -0800
commitf592efe735a29c764e0d473307dab0f59665f02b (patch)
treecc1a0fb4976f66499d62756cc22a7febae2f255a /fs/crypto/fscrypt_private.h
parentaa408f835d025a839033988d3f5a2866314414ef (diff)
fscrypt: clarify what is meant by a per-file key
Now that there's sometimes a second type of per-file key (the dirhash key), clarify some function names, macros, and documentation that specifically deal with per-file *encryption* keys. Link: https://lore.kernel.org/r/20200120223201.241390-4-ebiggers@kernel.org Reviewed-by: Daniel Rosenberg <drosen@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com>
Diffstat (limited to 'fs/crypto/fscrypt_private.h')
-rw-r--r--fs/crypto/fscrypt_private.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h
index 81dbb2befe81..9aae851409e5 100644
--- a/fs/crypto/fscrypt_private.h
+++ b/fs/crypto/fscrypt_private.h
@@ -269,7 +269,7 @@ extern int fscrypt_init_hkdf(struct fscrypt_hkdf *hkdf, const u8 *master_key,
* output doesn't reveal another.
*/
#define HKDF_CONTEXT_KEY_IDENTIFIER 1
-#define HKDF_CONTEXT_PER_FILE_KEY 2
+#define HKDF_CONTEXT_PER_FILE_ENC_KEY 2
#define HKDF_CONTEXT_DIRECT_KEY 3
#define HKDF_CONTEXT_IV_INO_LBLK_64_KEY 4
#define HKDF_CONTEXT_DIRHASH_KEY 5
@@ -441,8 +441,8 @@ extern struct crypto_skcipher *
fscrypt_allocate_skcipher(struct fscrypt_mode *mode, const u8 *raw_key,
const struct inode *inode);
-extern int fscrypt_set_derived_key(struct fscrypt_info *ci,
- const u8 *derived_key);
+extern int fscrypt_set_per_file_enc_key(struct fscrypt_info *ci,
+ const u8 *raw_key);
extern int fscrypt_derive_dirhash_key(struct fscrypt_info *ci,
const struct fscrypt_master_key *mk);