mkfs.ubifs: Compute encryption key descriptor automatically

...if none is given. To be compatible with fscryptctl.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 1 insertions, 0 deletions

diff --git a/ubifs-utils/mkfs.ubifs/crypto.h b/ubifs-utils/mkfs.ubifs/crypto.h
index c2631dd..f275839 100644
--- a/ubifs-utils/mkfs.ubifs/crypto.h
+++ b/ubifs-utils/mkfs.ubifs/crypto.h
@@ -49,6 +49,7 @@ void crypto_cleanup(void);
 ssize_t derive_key_aes(const void *deriving_key, const void *source_key,
 		       size_t source_key_len, void *derived_key);
 
+int derive_key_descriptor(const void *source_key, void *descriptor);
 
 struct cipher *get_cipher(const char *name);