Zigbee AES key sniffing

March 15, 2009 By 8 Comments

zigbeesniffing

[Travis Goodspeed] posted a preview of what he’s working on for this Summer’s conferences. Last weekend he gave a quick demo of sniffing AES128 keys on Zigbee hardware at SOURCE Boston. The CC2420 radio module is used in many Zigbee/802.15.4 sensor networks and the keys have to be transferred over an SPI bus to the module. [Travis] used two … Read the rest

Filed Under: security hacks, wireless hacks Tagged With: , , , , , , , , , , , ,

Synchronizing Fireflies NG

July 28, 2008 By 9 Comments


[Alex] from Tinkerlog has revisited an old project with Synchronizing Fireflies NG. Fascinated by how fireflies blink at same rate and synchronize with each other, he built a digital version. Each board has an RGB LED and a phototransistor or photoresistor. A ping-pong ball is used as a diffuser. The blink rate is controlled by an ATtiny13v. The board … Read the rest

Filed Under: led hacks, misc hacks Tagged With: , , , , , , , , , ,