nixpkgs/pkgs/tools/security/gnupg1/default.nix

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{ # Support for the IDEA cipher (used by the old PGP) should only be
# enabled if it is legal for you to do so.
ideaSupport ? false
, stdenv, fetchurl, readline, bzip2
}:
let
idea = fetchurl {
url = http://nixos.org/tarballs/idea.c.gz;
md5 = "9dc3bc086824a8c7a331f35e09a3e57f";
};
in
stdenv.mkDerivation rec {
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name = "gnupg-1.4.12";
src = fetchurl {
url = "mirror://gnupg/gnupg/${name}.tar.bz2";
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sha1 = "9b78e20328d35525af7b8a9c1cf081396910e937";
};
buildInputs = [ readline bzip2 ];
preConfigure = stdenv.lib.optionalString ideaSupport
''
gunzip < ${idea} > ./cipher/idea.c
'';
doCheck = true;
meta = {
description = "GnuPG, a free implementation of the OpenPGP standard for encrypting and signing data";
homepage = http://www.gnupg.org/;
license = "GPLv3+";
platforms = stdenv.lib.platforms.gnu; # arbitrary choice
};
}