diff options
Diffstat (limited to 'fs/crypto/fscrypt_private.h')
| -rw-r--r-- | fs/crypto/fscrypt_private.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h index 80d15a1bf606..56bac5c7ef40 100644 --- a/fs/crypto/fscrypt_private.h +++ b/fs/crypto/fscrypt_private.h @@ -4,9 +4,8 @@ * * Copyright (C) 2015, Google, Inc. * - * This contains encryption key functions. - * - * Written by Michael Halcrow, Ildar Muslukhov, and Uday Savagaonkar, 2015. + * Originally written by Michael Halcrow, Ildar Muslukhov, and Uday Savagaonkar. + * Heavily modified since then. */ #ifndef _FSCRYPT_PRIVATE_H @@ -168,4 +167,10 @@ struct fscrypt_mode { bool needs_essiv; }; +static inline bool +fscrypt_mode_supports_direct_key(const struct fscrypt_mode *mode) +{ + return mode->ivsize >= offsetofend(union fscrypt_iv, nonce); +} + #endif /* _FSCRYPT_PRIVATE_H */ |