A computer readable media storing operational instructions is disclosed.
The instructions includes at least one instruction to store data of an
encrypted computer readable file that includes a header portion and
associated content data into a storage area of a non-volatile memory. The
storage area includes a secure memory area to store data from the header
portion including at least one encryption ID. The storage area further
includes a memory area to store the content data. The header portion
further includes trailer data derived from a portion of the content data.
The instructions also include at least one instruction to provide data
read access to the header portion and to the content data with respect to
a host device.