fs/crypto/keysetup.c

3  * Key setup facility for FS encryption support.
93 …WARN_ONCE(1, "fscrypt: filesystem tried to load encryption info for inode %lu, which is not encryp…  in select_encryption_mode()
98 /* Create a symmetric cipher object for the given encryption mode and key */
146  * raw key, encryption mode (@ci->ci_mode), flag indicating which encryption
180 /* Given a per-file encryption key, set up the file's crypto transform object */
341 		 * DIRECT_KEY: instead of deriving per-file encryption keys, the  in fscrypt_setup_v2_file_key()
345 		 * encryption key.  This ensures that the master key is  in fscrypt_setup_v2_file_key()
353 		 * IV_INO_LBLK_64: encryption keys are derived from (master_key,  in fscrypt_setup_v2_file_key()
356 		 * encryption hardware compliant with the UFS standard.  in fscrypt_setup_v2_file_key()
392  * encryption settings which a particular file will use (@ci).
394  * If the file uses a v1 encryption policy, then the master key must be at least
430  * Find the master key, then set up the inode's actual encryption key.
626  * fscrypt_get_encryption_info() - set up an inode's encryption key
628  * @allow_unsupported: if %true, treat an unsupported encryption policy (or
629  *		       unrecognized encryption context) the same way as the key
640  *	   encryption key is unavailable.  (Use fscrypt_has_encryption_key() to
656 		fscrypt_warn(inode, "Error %d getting encryption context", res);  in fscrypt_get_encryption_info()
665 			     "Unrecognized or corrupt encryption context");  in fscrypt_get_encryption_info()
702  * This doesn't persist the new inode's encryption context.  That still needs to
705  * Return: 0 on success, -ENOKEY if the encryption key is missing, or another
789 	 * If ci is NULL, then the inode doesn't have an encryption key set up  in fscrypt_drop_inode()