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-rw-r--r--util/hmac.lua8
1 files changed, 8 insertions, 0 deletions
diff --git a/util/hmac.lua b/util/hmac.lua
index d3163bb3..ffd69d91 100644
--- a/util/hmac.lua
+++ b/util/hmac.lua
@@ -1,3 +1,11 @@
+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
local hashes = require "util.hashes"
local xor = require "bit".bxor