The GNU Privacy Handbook

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

Please direct questions, bug reports, or suggestions concerning this manual to the maintainer, Mike Ashley (). When referring to the manual please specify which version of the manual you have by using this version string: $Name: $.

Contributors to this manual include Matthew Copeland, Joergen Grahn, and David A. Wheeler. J Horacio MG has translated the manual to Spanish.


Table of Contents
1. Getting Started
Generating a new keypair
Generating a revocation certificate
Exchanging keys
Exporting a public key
Importing a public key
Encrypting and decrypting documents
Making and verifying signatures
Clearsigned documents
Detached signatures
2. Concepts
Symmetric ciphers
Public-key ciphers
Hybrid ciphers
Digital signatures
3. Key Management
Managing your own keypair
Key integrity
Adding and deleting key components
Revoking key components
Updating a key's expiration time
Validating other keys on your public keyring
Trust in a key's owner
Using trust to validate keys
Distributing keys
4. Daily use of GnuPG
Defining your security needs
Choosing a key size
Protecting your private key
Selecting expiration dates and using subkeys
Managing your web of trust
Building your web of trust
Using GnuPG legally
5. Topics
Writing user interfaces
A. GNU Free Documentation License
0. PREAMBLE
1. APPLICABILITY AND DEFINITIONS
2. VERBATIM COPYING
3. COPYING IN QUANTITY
4. MODIFICATIONS
5. COMBINING DOCUMENTS
6. COLLECTIONS OF DOCUMENTS
7. AGGREGATION WITH INDEPENDENT WORKS
8. TRANSLATION
9. TERMINATION
10. FUTURE REVISIONS OF THIS LICENSE
How to use this License for your documents