Patent ID: 8019118

Claim:
A method of identifying illegal uses of copyright material, comprising the steps of: the following steps to be performed by a first computer: receiving a primary digital media object; associating a first auxiliary construct with the primary digital media object; and transforming the first auxiliary construct using at least one of the attributes of the primary digital media object to generate a unique key representative of the primary digital media object; the following steps to be performed by a second computer: receiving a secondary digital media object; associating a second auxiliary construct with the secondary digital media object; and transforming the second auxiliary construct using at least one of the attributes of the secondary digital media object to generate a unique key representative of the secondary digital media object; accessing the unique key representative of the primary digital media object from the first computer; and comparing the keys of the secondary object with the key of the primary object to identify if the secondary object is substantially similar to the primary object.