A system and method for verifying and authenticating multimedia objects. Provided
is a system for splitting a watermark into at least a first and second part, inserting
the first part of the watermark into a first component of the multimedia object,
and inserting the second part into a second component of the multimedia object,
and outputting a watermarked multimedia object. The watermark may be provided by
obtaining a signature of the original multimedia object. Also included are systems
and methods for checking the validity and authenticity of a received watermarked
multimedia object, wherein the multimedia object includes individual watermarked
media components.