The file "designdoc.ps" is a paper describing the design and implementation of Tripwire. Unlike the original version shipped with early beta Tripwire distributions that were formatted with troff and the ms macros, this document was written in Latex. Because of this, only the Postscript output is shipped. If you have problems printing this Postscript document, you can order this paper as a technical report from Purdue. This document is titled "The Design and Implementation of Tripwire: A UNIX File Integrity Checker" by Gene H. Kim and Eugene H. Spafford, Purdue Technical Report CSD-TR-93-071. For more details, mail (spaf@cs.purdue.edu). We're very interested in feedback. Please send any comments, questions, and other verbalizations to (gkim@cs.purdue.edu) and (spaf@cs.purdue.edu). Gene & Gene Kim & Spafford December 11, 1993