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Adam Laurie, Marcel Holtmann, Martin Herfurt Hacking Bluetooth enabled mobile phones and beyond - Full Disclosure layer one April 24th-25 th 2005, Pasadena, USA

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Adam Laurie, Marcel Holtmann, Martin Herfurt Hacking Bluetooth enabled mobile phones and beyond - Full Disclosure layer one April 24th-25 th 2005, Pasadena, USA Adam Laurie, Marcel Holtmann, Martin Herfurt Who we are ● Adam Laurie - CSO of The Bunker Secure Hosting Ltd. - Co-Maintainer of Apache-SSL - DEFCON Staff/Organiser ● Marcel Holtmann - Maintainer and core developer of the Linux Bluetooth Stack Blue Z ● Martin Herfurt - Security Researcher & Java Programmer - Founder of trifinite. org Adam Laurie, Marcel Holtmann, Martin Herfurt Bluetooth Technology Overview ● Bluetooth SIG - Trade Association - Founded 1998 - Owns & Licenses IP - Individual membership free - Promoter members: Agere, Ericsson, IBM, Intel, Microsoft, Motorola, Nokia and Toshiba - Consumer http: //www. blue tooth. com - Technical http: //www. blue tooth. org Adam Laurie, Marcel Holtmann, Martin Herfurt Adam Laurie, Marcel Holtmann, Martin Herfurt Bluetooth Technology ● Data and voice transmission ● ACL (Asynchronous Connectionless) data connections ● SCO (Synchronous Connection Oriented) voice channel - Fixed rate - 64Kbps ● eSCO (Extended SCO) - Variable data rate & retransmit for Audio / Video etc. ● Frequency hopping ● ISM band at 2.4 GHz ● 79 channels ● 1600 hops per second ● Multi-Slot packets - Up to 5 slots per packet Adam Laurie, Marcel Holtmann, Martin Herfurt Bluetooth Piconet ● Bluetooth devices create a piconet ● One master per piconet ● Up to seven active slaves ● Over 200 passive members are possible ● Master sets the hopping sequence ● Transfer rates of 721 Kbit/sec ● Bluetooth 1.2 and EDR (aka 2.0) ● Adaptive Frequency Hopping ● Faster connection times ● Transfer rates up to 2.1 Mbit/sec Adam Laurie, Marcel Holtmann, Martin Herfurt Bluetooth Scatternet ● Connected piconets create a scatte ...

Source: www.layerone.info

 

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