From 212db93800d6a135303d4c2e96f3f29478938bec Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Tue, 19 Jan 2016 21:31:02 +0100 Subject: mod_dialback: Follow XEP-0185 and use HMAC --- plugins/mod_dialback.lua | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua index 9dcb0ed5..dc3c3f10 100644 --- a/plugins/mod_dialback.lua +++ b/plugins/mod_dialback.lua @@ -12,6 +12,7 @@ local log = module._log; local st = require "util.stanza"; local sha256_hash = require "util.hashes".sha256; +local sha256_hmac = require "util.hashes".hmac_sha256; local nameprep = require "util.encodings".stringprep.nameprep; local xmlns_stream = "http://etherx.jabber.org/streams"; @@ -19,7 +20,7 @@ local xmlns_stream = "http://etherx.jabber.org/streams"; local dialback_requests = setmetatable({}, { __mode = 'v' }); function generate_dialback(id, to, from) - return sha256_hash(id..to..from..hosts[from].dialback_secret, true); + return sha256_hmac(sha256_hash(hosts[from].dialback_secret), to .. ' ' .. from .. ' ' .. id, true); end function initiate_dialback(session) -- cgit v1.2.3