Beyond Linux From Scratch - Version 6.1

Chapter 4. Security

GnuPG-1.4.1

Introduction to GnuPG

The GnuPG package contains a public/private key encryptor. This is becoming useful for signing files or emails as proof of identity and preventing tampering with the contents of the file or email.

Package Information

GnuPG Dependencies

Optional

OpenLDAP-2.2.24, libusb-0.1.10a, cURL-7.14.0, MTA, DocBook-utils-0.6.14 and docbook-to-man

Installation of GnuPG

Install GnuPG by running the following commands: 

./configure --prefix=/usr --libexecdir=/usr/lib &&
make

Now, as the root user: 

make install &&
chmod -v 4755 /usr/bin/gpg

Command Explanations

--libexecdir=/usr/lib: This command creates a gnupg directory in /usr/lib instead of /usr/libexec.

chmod -v 4755 /usr/bin/gpg: gpg is installed setuid root to avoid swapping out sensitive data.

Contents

Installed Programs: gpg, gpgsplit, and gpgv
Installed Libraries: None
Installed Directories: /usr/lib/gnupg and /usr/share/gnupg

Short Descriptions

gpg

is the backend (command-line interface) for this OpenPGP implementation.

gpgsplit

separates key rings.

gpgv

is a verify only version of gpg.

Last updated on 2005-08-01 13:29:19 -0600