@node Installation
@unnumbered Installation

GoVPN is written on @url{http://golang.org/, Go programming language},
@url{https://www.gnu.org/software/make/, GNU Make} is recommended for
convenient building. @url{https://www.gnu.org/software/texinfo/, Texinfo}
is used for building documentation.

Required libraries, dependencies (they are installed automatically when
using @emph{Make}):

@multitable @columnfractions .40 .20 .40
@headitem Library @tab Platform @tab Licence
@item @code{golang.org/x/crypto/poly1305} @tab All @tab BSD 3-Clause
@item @code{golang.org/x/crypto/salsa20} @tab All @tab BSD 3-Clause
@item @code{golang.org/x/crypto/xtea} @tab All @tab BSD 3-Clause
@item @code{golang.org/x/crypto/pbkdf2} @tab All @tab BSD 3-Clause
@item @code{github.com/agl/ed25519} @tab All @tab BSD 3-Clause
@item @code{github.com/bigeagle/water} @tab GNU/Linux @tab BSD 3-Clause
@end multitable

You can get tarball, set proper @code{$GOPATH} and run
@code{make} (that will install all necessary libraries and build
@emph{govpn-client}, @emph{govpn-server}, @emph{govpn-verifier} binaries:

@example
% mkdir -p govpn/src
% set -e
% wget http://www.cypherpunks.ru/govpn/download/govpn-2.3.tar.xz
% wget http://www.cypherpunks.ru/govpn/download/govpn-2.3.tar.xz.sig
% gpg --verify govpn-2.3.tar.xz.sig govpn-2.3.tar.xz
% tar xfC govpn-2.3.tar.xz govpn/src
% mv govpn/src/govpn-2.3 govpn/src/govpn
% export GOPATH=$(pwd)/govpn:$GOPATH
% gmake -C govpn/src/govpn all
@end example

@menu
* Prepared tarballs::
* Development source code::
* Tarballs integrity check::
@end menu

@include download.texi
@include sources.texi
@include integrity.texi