https://github.com/AdamLaurie/hdmi-sniff

sniff HDMI DDC (I2C) traffic
https://github.com/AdamLaurie/hdmi-sniff

Last synced: 3 months ago
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sniff HDMI DDC (I2C) traffic

• Host: GitHub
• URL: https://github.com/AdamLaurie/hdmi-sniff
• Owner: AdamLaurie
• Created: 2013-02-18T09:06:21.000Z (over 11 years ago)
• Default Branch: master
• Last Pushed: 2014-08-27T18:05:31.000Z (about 10 years ago)
• Last Synced: 2024-04-24T13:20:25.593Z (7 months ago)
• Language: Python
• Size: 120 KB
• Stars: 89
• Watchers: 14
• Forks: 21
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
hdmi-sniff

==========

HDMI DDC (I2C) inspection tool

Latest version:

  https://github.com/ApertureLabsLtd/hdmi-sniff

This tool is designed to demonstrate just how easy it is to recover HDCP crypto

keys from HDMI devices, but it could be extended to decode all data passed over

the I2C interface, such as MCCS, EDID, etc. You'll need an HDMI breakout cable

(how to make one is described in the blog entry below), and a Bus Pirate:

  http://dangerousprototypes.com/docs/Bus_Pirate

You'll also need a copy of Rich Wareham's hdcp-genkey to convert the sniffed KSV

to a key:

  https://github.com/rjw57/hdcp-genkey

For a walked through example, read this:

  http://adamsblog.aperturelabs.com/2013/02/hdcp-is-dead-long-live-hdcp-peek-into.html

Enjoy!

Adam