One of the embodiments of the invention includes a method of identifying
illegal uses of copyright material. The steps of the method preferably
include the steps of: (a) providing a primary digital media object, (b)
associating an auxiliary construct with the object, (c) transforming the
construct using at least one of the attributes of the object to generate
a unique key representative of the primary object, (d) receiving a
plurality of secondary digital media objects, (e) performing steps (b)
and (c) on the secondary objects to generate unique keys representative
of the secondary objects, (f) comparing the keys of the secondary objects
with the key of the primary object to identify if any of the secondary
objects are substantially similar to the primary object.