fs/crypto/keysetup.c

3  * Key setup facility for FS encryption support.
65 …WARN_ONCE(1, "fscrypt: filesystem tried to load encryption info for inode %lu, which is not encryp…  in select_encryption_mode()
70 /* Create a symmetric cipher object for the given encryption mode and key */
118  * raw key, encryption mode, and flag indicating which encryption implementation
149 /* Given a per-file encryption key, set up the file's crypto transform object */
285 		 * DIRECT_KEY: instead of deriving per-file encryption keys, the  in fscrypt_setup_v2_file_key()
289 		 * encryption key.  This ensures that the master key is  in fscrypt_setup_v2_file_key()
297 		 * IV_INO_LBLK_64: encryption keys are derived from (master_key,  in fscrypt_setup_v2_file_key()
300 		 * encryption hardware compliant with the UFS standard.  in fscrypt_setup_v2_file_key()
335  * Find the master key, then set up the inode's actual encryption key.
402 	 * that required by the encryption mode it will be used for.  For v1  in setup_file_encryption_key()
547  * fscrypt_get_encryption_info() - set up an inode's encryption key
556  *	   encryption key is unavailable.  (Use fscrypt_has_encryption_key() to
570 		fscrypt_warn(inode, "Error %d getting encryption context", res);  in fscrypt_get_encryption_info()
577 			     "Unrecognized or corrupt encryption context");  in fscrypt_get_encryption_info()
609  * This doesn't persist the new inode's encryption context.  That still needs to
612  * Return: 0 on success, -ENOKEY if the encryption key is missing, or another
694 	 * If ci is NULL, then the inode doesn't have an encryption key set up  in fscrypt_drop_inode()