chore: setup github actions

.github/workflows/ci.yml

@@ -0,0 +1,16 @@
+name: ci
+on: [push, pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [6, 8, 10, 12, 14, 16]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node }}
+      - run: |
+          npm install
+          npm test

authCipher.js

@@ -34,7 +34,7 @@ function calcIv (self, iv, ck) {
   ghash.update(Buffer.alloc(8, 0))
   var ivBits = len * 8
   var tail = Buffer.alloc(8)
-  tail.writeUIntBE(ivBits, 0, 8)
+  tail.writeUIntBE(ivBits, 2, 6)
   ghash.update(tail)
   self._finID = ghash.state
   var out = Buffer.from(self._finID)

ghash.js

@@ -3,7 +3,7 @@
 // SJCL is open. You can use, modify and redistribute it under a BSD
 // license or under the GNU GPL, version 2.0.
 //
-//---------------------------------------------------------------------
+// ---------------------------------------------------------------------
 //
 // http://opensource.org/licenses/BSD-2-Clause
 //
@@ -22,20 +22,20 @@
 // project by the Stanford Computer Security Lab to build a secure,
 // powerful, fast, small, easy-to-use, cross-browser library for
 // cryptography in Javascript.
-// 
+//
 // Copyright (c) 2009-2015, Emily Stark, Mike Hamburg and Dan Boneh at
 // Stanford University.
-// 
+//
 // This program 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 2 of the License, or (at your
 // option) any later version.
-// 
+//
 // This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA