distro: Add GnuPG and companion libraries.

* distro/packages/gnupg.scm: New file.
* Makefile.am (MODULES): Add it.

Makefile.am

@@ -48,6 +48,7 @@ MODULES =					\
   distro/packages/bootstrap.scm			\
   distro/packages/compression.scm		\
   distro/packages/gawk.scm			\
+  distro/packages/gnupg.scm			\
   distro/packages/gperf.scm			\
   distro/packages/guile.scm			\
   distro/packages/ld-wrapper.scm		\

distro/packages/gnupg.scm

@@ -0,0 +1,167 @@
+;;; Guix --- Nix package management from Guile.         -*- coding: utf-8 -*-
+;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of Guix.
+;;;
+;;; Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (distro packages gnupg)
+  #:use-module (distro packages pth)
+  #:use-module (distro packages readline)
+  #:use-module (distro packages compression)
+  #:use-module (guix packages)
+  #:use-module (guix ftp)
+  #:use-module (guix build-system gnu))
+
+(define-public libgpg-error
+  (package
+    (name "libgpg-error")
+    (version "1.10")
+    (source
+     (origin
+      (method ftp-fetch)
+      (uri (string-append "ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-"
+                          version ".tar.bz2"))
+      (sha256
+       (base32
+        "0cal3jdnzdailr13qcy74grfbplbghkgr3qwk6qjjp4bass2j1jj"))))
+    (build-system gnu-build-system)
+    (home-page "http://gnupg.org")
+    (synopsis
+     "Libgpg-error, a small library that defines common error values for all GnuPG components")
+    (description
+     "Libgpg-error is a small library that defines common error values
+for all GnuPG components.  Among these are GPG, GPGSM, GPGME,
+GPG-Agent, libgcrypt, Libksba, DirMngr, Pinentry, SmartCard
+Daemon and possibly more in the future.")
+    (license "LGPLv2+")))
+
+(define-public libgcrypt
+  (package
+    (name "libgcrypt")
+    (version "1.5.0")
+    (source
+     (origin
+      (method ftp-fetch)
+      (uri (string-append "ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-"
+                          version ".tar.bz2"))
+      (sha256
+       (base32
+        "1ykkh7dm0gyndz7bbpvn3agijj8xb2h02m02f42hm504c18zqqjb"))))
+    (build-system gnu-build-system)
+    (propagated-inputs
+     `(("libgpg-error" ,libgpg-error)))
+    (home-page "http://gnupg.org/")
+    (synopsis
+     "GNU Libgcrypt, a general-pupose cryptographic library")
+    (description
+     "GNU Libgcrypt is a general purpose cryptographic library based on
+the code from GnuPG.  It provides functions for all
+cryptographic building blocks: symmetric ciphers, hash
+algorithms, MACs, public key algorithms, large integer
+functions, random numbers and a lot of supporting functions.")
+    (license "LGPLv2+")))
+
+(define-public libassuan
+  (package
+    (name "libassuan")
+    (version "2.0.3")
+    (source
+     (origin
+      (method ftp-fetch)
+      (uri (string-append "ftp://ftp.gnupg.org/gcrypt/libassuan/libassuan-"
+                          version ".tar.bz2"))
+      (sha256
+       (base32
+        "06xckkvxxlx7cj77803m8x58gxksap4k8yhspc5cqsy7fhinimds"))))
+    (build-system gnu-build-system)
+    (propagated-inputs
+     `(("libgpg-error" ,libgpg-error) ("pth" ,pth)))
+    (home-page "http://gnupg.org")
+    (synopsis
+     "Libassuan, the IPC library used by GnuPG and related software")
+    (description
+     "Libassuan is a small library implementing the so-called Assuan
+protocol.  This protocol is used for IPC between most newer
+GnuPG components.  Both, server and client side functions are
+provided.")
+    (license "LGPLv2+")))
+
+(define-public libksba
+  (package
+    (name "libksba")
+    (version "1.2.0")
+    (source
+     (origin
+      (method ftp-fetch)
+      (uri (string-append
+            "ftp://ftp.gnupg.org/gcrypt/libksba/libksba-"
+            version ".tar.bz2"))
+      (sha256
+       (base32
+        "0jwk7hm3x3g4hd7l12z3d79dy7359x7lc88dq6z7q0ixn1jwxbq9"))))
+    (build-system gnu-build-system)
+    (propagated-inputs
+     `(("libgpg-error" ,libgpg-error)))
+    (home-page "http://www.gnupg.org")
+    (synopsis
+     "Libksba is a CMS and X.509 access library under development")
+    (description
+     "KSBA (pronounced Kasbah) is a library to make X.509 certificates
+as well as the CMS easily accessible by other applications.  Both
+specifications are building blocks of S/MIME and TLS.")
+    (license "GPLv3+")))
+
+(define-public gnupg
+  (package
+    (name "gnupg")
+    (version "2.0.19")
+    (source
+     (origin
+      (method ftp-fetch)
+      (uri (string-append
+            "ftp://ftp.gnupg.org/gcrypt/gnupg/gnupg-" version
+            ".tar.bz2"))
+      (sha256
+       (base32
+        "08n636sfffs5qvg9ppiprvsh00q0dmdw425psg3m3nssja53m8pg"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(;; TODO: Add missing optional deps.
+       ;; ("curl" ,curl)
+       ;; ("libusb" ,libusb)
+       ;; ("openldap" ,openldap)
+
+       ("bzip2" ,bzip2)
+       ("libassuan" ,libassuan)
+       ("libgcrypt" ,libgcrypt)
+       ("libksba" ,libksba)
+       ("pth" ,pth)
+       ("libgpg-error" ,libgpg-error)
+       ("zlib" ,zlib)
+       ("readline" ,readline)))
+    (home-page "http://gnupg.org/")
+    (synopsis
+     "GNU Privacy Guard (GnuPG), GNU Project's implementation of the OpenPGP standard")
+    (description
+     "GnuPG is the GNU project's complete and free implementation of
+the OpenPGP standard as defined by RFC4880.  GnuPG allows to
+encrypt and sign your data and communication, features a
+versatile key managment system as well as access modules for all
+kind of public key directories.  GnuPG, also known as GPG, is a
+command line tool with features for easy integration with other
+applications.  A wealth of frontend applications and libraries
+are available.  Version 2 of GnuPG also provides support for
+S/MIME.")
+    (license "GPLv3+")))