From 4212f0c4ffe43464ed7bd2e9f1a8f10e308ec792 Mon Sep 17 00:00:00 2001
From: Rutger Helling <address@hidden>
Date: Wed, 8 Nov 2017 11:16:29 +0100
Subject: [PATCH] gnu: messaging: Add libsignal-protocol-c.

* gnu/packages/messaging.scm (libsignal-protocol-c): New variable.
---
 gnu/packages/messaging.scm | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/gnu/packages/messaging.scm b/gnu/packages/messaging.scm
index 72dbbcd1e..4f436b5a5 100644
--- a/gnu/packages/messaging.scm
+++ b/gnu/packages/messaging.scm
@@ -12,6 +12,7 @@
 ;;; Copyright © 2017 Arun Isaac <address@hidden>
 ;;; Copyright © 2017 Tobias Geerinckx-Rice <address@hidden>
 ;;; Copyright © 2017 Theodoros Foradis <address@hidden>
+;;; Copyright © 2017 Rutger Helling <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -124,6 +125,39 @@ keys, no previous conversation is compromised.")
     (home-page "https://otr.cypherpunks.ca/")
     (license (list license:lgpl2.1 license:gpl2))))
 
+(define-public libsignal-protocol-c
+  (package
+  (name "libsignal-protocol-c")
+  (version "2.3.1")
+  (source (origin
+           (method url-fetch)
+           (uri (string-append "https://github.com/WhisperSystems/"
+                               "libsignal-protocol-c/archive/v" version
+                               ".tar.gz"))
+           (file-name (string-append name "-" version ".tar.gz"))
+           (sha256
+            (base32
+             "1klz9jvbnmfc3qy2x6qcswzw14a7kyzs51dlg18yllvir1f1kz0s"))))
+  (arguments
+   `(#:tests? #f
+     ; Required for proper linking.
+     #:configure-flags '("-DBUILD_SHARED_LIBS=on")))
+     ; FIXME: With the below additional flags the tests pass, however this
+     ; causes problems with timestamps, therefore the tests are disabled for
+     ; now:
+     ; -DCMAKE_BUILD_TYPE=Debug
+     ; -DBUILD_TESTING=1
+  (build-system cmake-build-system)
+  (inputs `( ; Required for tests:
+            ("check", check)
+            ("openssl", openssl)))
+  (native-inputs `(("pkg-config", pkg-config)))
+  (home-page "https://github.com/WhisperSystems/libsignal-protocol-c")
+  (synopsis "Ratcheting forward secrecy protocol")
+  (description "libsignal-protocol-c is a ratcheting forward secrecy protocol
+that works in synchronous and asynchronous messaging environments.")
+  (license license:gpl3)))
+
 (define-public bitlbee
   (package
     (name "bitlbee")
-- 
2.15.0