Cracking the MSP430 BSL
- Type
- Paper
- Tags
- chip, cracking
- Authors
- Tavis Ormandy
- Event
- Chaos Communication Congress 25th (25C3) 2008
- Indexed on
- Mar 26, 2013
- URL
- http://events.ccc.de/congress/2008/Fahrplan/attachments/1191_goodspeed_25c3_bslc.pdf
- File name
- 1191_goodspeed_25c3_bslc.pdf
- File size
- 681.1 KB
- MD5
- 500fd7950ece831a0cdf5f719b2254b5
- SHA1
- 6cddaa331143d926501089a214d68f373562d5cd
The Texas Instruments MSP430 low-power microcontroller is used in many medical, industrial, and consumer devices. When its JTAG fuse is blown, the device's firmware is kept private only a serial bootstrap loader (BSL), certain revisions of which are vulnerable to a side-channel timing analysis attack. This talk continues that from Black Hat USA by describing the speaker's adventures in creating a hardware device for exploiting this vulnerability.
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