in optee-utee/src/object.rs [477:487]
fn handle(&self) -> raw::TEE_ObjectHandle;
}
/// An object containing attributes but no data stream, which is reclaimed
/// when closed or when the TA instance is destroyed.
/// Transient objects are used to hold a cryptographic object (key or key-pair).
///
/// Contrast [PersistentObject](PersistentObject).
pub struct TransientObject(ObjectHandle);
impl TransientObject {