230                             return Err(Error::sys()).context(concat!(  in create_operation()
279             Err(Error::Km(ErrorCode::INVALID_ARGUMENT))  in create_operation()
283                 _ => Err(Error::Km(ErrorCode::INVALID_ARGUMENT))  in create_operation()
327                         Err(Error::Km(ErrorCode::TOO_MANY_OPERATIONS)) => {  in create_operation()
331                         v @ Err(Error::Km(ErrorCode::INVALID_KEY_BLOB)) => {  in create_operation()
362                 return Err(Error::sys()).context(concat!(  in create_operation()
473             return Err(error::Error::Km(ErrorCode::INVALID_ARGUMENT))  in generate_key()
590             return Err(error::Error::Km(ErrorCode::INVALID_ARGUMENT))  in import_key()
623                 v => Err(error::Error::Km(ErrorCode::INVALID_ARGUMENT))  in import_key()
655                 return Err(error::Error::Km(ErrorCode::INVALID_ARGUMENT)).context(format!(  in import_wrapped_key()
666             return Err(error::Error::Km(ErrorCode::INVALID_ARGUMENT)).context(  in import_wrapped_key()
809             Err(Error::Km(ErrorCode::KEY_REQUIRES_UPGRADE)) => {  in upgrade_keyblob_if_required_with()
836                     Err(e) => Err(e).context(concat!(  in upgrade_keyblob_if_required_with()
869             return Err(error::Error::Km(ErrorCode::INVALID_ARGUMENT)).context(concat!(  in convert_storage_key_to_ephemeral()
903             Err(error::Error::Km(ErrorCode::KEY_REQUIRES_UPGRADE)) => {  in convert_storage_key_to_ephemeral()
928             Err(e) => Err(e)  in convert_storage_key_to_ephemeral()
935             return Err(error::Error::Km(ErrorCode::INVALID_ARGUMENT))  in delete_key()