From 5216eac5ce2e5b787b55b361125f24fba9dca062 Mon Sep 17 00:00:00 2001
From: Simo Kinnunen <simo@shoqolate.com>
Date: Tue, 13 Oct 2015 03:59:58 +0900
Subject: [PATCH] Remove unused VNC authentication utilities.

---
 lib/units/device/plugins/vnc/index.js |  5 ++++-
 lib/util/vncauth.js                   | 17 -----------------
 2 files changed, 4 insertions(+), 18 deletions(-)

diff --git a/lib/units/device/plugins/vnc/index.js b/lib/units/device/plugins/vnc/index.js
index 3591983d..ca3d671a 100644
--- a/lib/units/device/plugins/vnc/index.js
+++ b/lib/units/device/plugins/vnc/index.js
@@ -28,7 +28,10 @@ module.exports = syrup.serial()
     var log = logger.createLogger('device:plugins:vnc')
 
     function vncAuthHandler(data) {
-      log.info('VNC authentication attempt using "%s"', data.fingerprint)
+      log.info(
+        'VNC authentication attempt using "%s"'
+      , data.response.toString('hex')
+      )
 
       var resolver = Promise.defer()
 
diff --git a/lib/util/vncauth.js b/lib/util/vncauth.js
index 16641e02..9a1376aa 100644
--- a/lib/util/vncauth.js
+++ b/lib/util/vncauth.js
@@ -36,23 +36,6 @@ function encrypt(challenge, password) {
 
 module.exports.encrypt = encrypt
 
-function decrypt(challenge, password) {
-  var key = normalizePassword(password)
-    , iv = new Buffer(0).fill(0)
-
-  // Note: do not call .final(), .update() is the one that gives us the
-  // desired result.
-  return crypto.createDecipheriv('des-ecb', key, iv).update(challenge)
-}
-
-module.exports.decrypt = decrypt
-
-function format(fingerprint) {
-  return fingerprint.toString('hex').match(/\w{4}/g).join(':')
-}
-
-module.exports.format = format
-
 function verify(response, challenge, password) {
   return encrypt(challenge, password).equals(response)
 }