PGP Desktop for WindowsUser's GuideTable of ContentsIntroductionCh. 1: PGP BasicsCh. 2: The PGP Desktop InterfaceCh. 3: Making a Keypair and Working with Public KeysCh. 4: Securing EmailCh. 5: Securing FilesCh. 6: WipingCh. 7: Self-Decrypting ArchivesCh. 8: Securing ICQCh. 9: Using Lotus NotesCh. 10: Using Smart CardsCh. 11: PGP Disk BasicsCh. 12: Using PGP DiskCh. 13: PGP Disk Technical DetailsCh. 14: Making KeysCh. 15: Exchanging KeysCh. 16: Managing KeysAp. A: Setting PGP OptionsAp. B: TroubleshootingAp. C: Biometric Word ListsGlossaryIndexOctober 2003PGP® Desktopfor WindowsUser’s GuideVersion InformationPGP Desktop for Windows User’s Guide, version 8.0.3. Released October, 2003.Copyright InformationCopyright © 1991–2003 by PGP Corporation. All Rights Reserved. No part of this document can be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, with-out the express written permission of PGP Corporation.Trademark InformationPGP and Pretty Good Privacy are registered trademarks, and the PGP logo is a trademark, of PGP Corpo-ration in the U.S. and other countries. IDEA is a trademark of Ascom Tech AG. All other registered and unregistered trademarks in this document are the sole property of their respective owners.Licensing and Patent InformationThe IDEA cryptographic cipher described in U.S. patent number 5,214,703 is licensed from Ascom Tech AG. The CAST encryption algorithm is licensed from Northern Telecom, Ltd. PGP Corporation may have patents and/or pending patent applications covering subject matter in this software or its documenta-tion; the furnishing of this software or documentation does not give you any license to these patents.AcknowledgmentsThe compression code in PGP Desktop is by Mark Adler and Jean-Loup Gailly, used with permission from the free Info-ZIP implementation.Export InformationExport of this software and documentation may be subject to compliance with the rules and regulations promulgated from time to time by the Bureau of Export Administration, United States Department of Commerce, which restrict the export and re-export of certain products and technical data.LimitationsThe software provided with this documentation is licensed to you for your individual use under the terms of the End User License Agreement provided with the software. The information in this docu-ment is subject to change without notice. PGP Corporation does not warrant that the information meets your requirements or that the information is free of errors. The information may include technical inaccu-racies or typographical errors. Changes may be made to the information and incorporated in new edi-tions of this document, if and when made available by PGP Corporation.About PGP CorporationThe recognized worldwide leader in secure messaging and information storage, PGP Corporation devel-ops, markets, and supports products used by a broad installed base of enterprises, businesses, govern-ments, individuals, and cryptography experts to secure proprietary and confidential information. During the past 12 years, PGP technology has built a global reputation for open and trusted security products. PGP solutions are used by thousands of corporate/government users and millions of individual users worldwide, including many of the world’s largest and most security-sensitive enterprises, government agencies, individuals, and cryptography experts. Contact PGP Corporation at www.pgp.com.Table of Contents iiiTable of ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Who should read this User’s Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Licensing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7This User’s Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9Recommended readings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12Chapter 1: PGP Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13Conventional and public-key cryptography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13So what is PGP really? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14This user’s guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14Basic steps for using PGP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15Chapter 2: The PGP Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . …