SSL with PFX not working

```
crypto.js:122
      c.context.loadPKCS12(options.pfx);
                ^
Error: mac verify failure
    at Object.exports.createCredentials (crypto.js:122:17)
    at Server (tls.js:1062:28)
    at new Server (https.js:34:14)
    at Object.exports.createServer (https.js:49:10)
    at module.exports.listen (/usr/lib/node_modules/socket-redis/lib/worker.js:184:30)
    at new Worker (/usr/lib/node_modules/socket-redis/lib/worker.js:30:3)
    at Object.<anonymous> (/usr/lib/node_modules/socket-redis/bin/socket-redis.js:67:12)
    at Module._compile (module.js:449:26)
    at Object.Module._extensions..js (module.js:467:10)
    at Module.load (module.js:356:32)
```