From: [1]
Future versions of Hydan will boost that capacity by finding different places to code data, such as in the order of a program's functions, and the order in which arguments are passed to those functions. For now, the application is still powerful enough to secretly stash the United States Constitution and the Declaration of Independence in a single copy of Microsoft Word.
Beyond the covert uses, the technology could be used to attach a digital signature to an application, or to embed an executable with a virtual watermark. Tzuhou 09:52 Feb 25, 2003 (UTC)