US Patent 11907405 Secure data storage device access control and sharing

A return address of a caller of a software function within an access control component is determined, the caller comprising a software component seeking access to a protected resource protected by the access control component. From the return address, a filename of the caller is determined. Responsive to determining that the filename is included in a set of filenames of components allowed to access the protected resource, the caller is allowed to access the protected resource.