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171
Living Room / TSA's master keys leaked, 3D printed
« on: September 10, 2015, 11:26 AM »
The TSA is learning a basic lesson of physical security in the age of 3-D printing: If you have sensitive keys—say, a set of master keys that can open locks you’ve asked millions of Americans to use—don’t post pictures of them on the Internet.

A group of lock-picking and security enthusiasts drove that lesson home Wednesday by publishing a set of CAD files to Github that anyone can use to 3-D print a precisely measured set of the TSA’s master keys for its “approved” locks—the ones the agency can open with its own keys during airport inspections. Within hours, at least one 3-D printer owner had already downloaded the files, printed one of the master keys, and published a video proving that it opened his TSA-approved luggage lock.

I don't think there's much of a stronger argument against intentionally putting in backdoors to any form of security--including encryption--than this. Once the master/secret key is out, it's over for everybody!

172
I've been using Unity for a few years now to make all my games for Ludum Dare and NANY. One of the strange things about Unity has been that while you can make a build of a game for Linux OSes, you couldn't actually make your game in Linux because there was no Linux edition of the Unity Editor available. But they've been taking steps to rectify that and now have an experimental build of the Unity Editor for Linux:

Last month, I wrote a blog post detailing our plans for Unity on Linux.  Well, I’m back again to tell you the big day has come; today we’re releasing an experimental build of Unity for Linux!

An Experimental Build

Today’s build is what we call an experimental build; future support is not yet guaranteed.  Your adoption and feedback will help us determine if this is something we can sustain alongside our Mac and Windows builds.

Today’s build is based off Unity 5.1.0f3 and comes with the ability to export to the following runtimes:
  • Linux, Mac, Windows Standalone
  • WebGL
  • WebPlayer
  • Android
  • Tizen
  • SamsungTV

System Requirements
  • 64-bit Ubuntu 12.04 or newer (just like our player, the editor will run on most ‘modern’ 64-bit Linux distributions, but official support is only provided for 64-bit Ubuntu 12.04 or newer)
  • Modern Nvidia, AMD, or Intel graphics card with vendor-supported graphics drivers

Get download links and more info here:

http://blogs.unity3d.com/2015/08/26/unity-comes-to-linux-experimental-build-now-available/

173
Developer's Corner / Ludum Dare 33: August 21st-24th, 2015
« on: August 15, 2015, 11:07 AM »
Hi folks! LD33 is next weekend.

Right now voting for a theme is taking place.

http://ludumdare.com/compo/

I won't be participating this time, since I'm heading out the door any minute to start a week-long trip. I won't be back home until partway through the game jam.

I'll update this post with more of my usual details (like links to past events and stuff) sometime after I get back.


See previous DC posts about Ludum Dare:
Ludum Dare 32 - (I made Time Bomb during LD32)
Ludum Dare 31 - (I made Worm Wars during LD31)
Ludum Dare 30 - (I made Planetary Devourers during LD30)
Ludum Dare 29 - (I made It Came From... Beneath!! during LD29)
Ludum Dare [29] topic for other games - A thread about LD29 games.
Ludum Dare 23 - (I made Be Tiny, World! during LD23, and continued to work on it and improve it for years afterward!)
Ludum Dare - Game Programming Challenges

174
If you deal with audio files stored on CF or SD cards, be aware of this Windows 10 bug:

It appears that when accessing a card reader via USB with Broadcast Wave Files on it (possibly other types of files as well), Windows 10 immediately strips some of the metadata from the files on the original media which is not copy protectable. This renders the files unplayable and they can only be accessed by any flavor of windows with a hex editor afterwards.

If I have the files on another networked location and bring them in via wi fi or Ethernet there are no such issues. So...it appears to be related to something Windows 10 is doing initially when reading the files from a USB connected reader.

[...]

I can also confirm that this corruption does NOT happen with a small portable USB drive on the same USB ports. It's oddly just CF and SD cards via a reader.

Read more here: http://answers.microsoft.com/en-us/windows/forum/windows_10-files/transferring-wav-audio-files/50bbf42f-84a7-44b9-ab57-8784b5606d09

175
Living Room / New vulnerability found in older Intel processors
« on: August 09, 2015, 12:53 PM »
Emphasis added:

Security researcher Chris Domas has discovered a vulnerability in the x86 architecture of Intel processors made between 1997 and 2010 (pre-Sandy Bridge) that lets an attacker install software in a chip's protected System Management Mode space, which governs firmware-level security. Yes, that's as bad as it sounds: an intruder could not only take more control than you typically see in attacks (including wiping firmware), but infect your PC even if you wipe your hard drive and reinstall your operating system. Domas has only tested against Intel-made CPUs so far, but AMD processors could be vulnerable as well.

A would-be hacker needs low-level OS access to get in, so you at least won't face a direct assault -- you need to fall prey to another attack before this becomes an option. However, this vulnerability might be difficult or impossible to fix in a timely fashion. While it's theoretically possible to patch a computer's BIOS (or on relatively recent systems, UEFI) to prevent these attacks, the chances of that happening are slim. What's the likelihood that your motherboard maker will support a product that's at least 5 years old, or that most people are both willing and able to apply firmware upgrades? Not very high, we'd reckon.

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