business project plan
TRANSCRIPT
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PUF Based on ADCsAnand Baskaran| Sai Janani RamachandranKTH Royal Institute of Technology, Sweden
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Project Goal…….
On a mission to find Fingerprints of a Electronic Devices.
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What is PUF?Physically Uncloneable Functions
Electronic Fingerprint
Technical Limitations in Silicon Fabrication
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Why PUF?
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Why PUF?
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Why PUF?
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Existing PUF
NXP– Commercial PUFs
Next generation smartcards
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What are we trying to do? Give a random challenge
to the hardware Process the challenge with
the infrastructure and send back the result
Use the result to identify the right infrastructure
What Infrastructure to choose?
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ADC - DACWhy this?
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We Work With…
C-Mote boards from CDAC
MSP430F26182 ADC & 2 DAC
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We Work With…
Code Composer Studio
Matlab
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Block Diagram
[****]2000
2000 Random
Hex will be generated
Universal Asynchrono
us Transmissio
n UART•Receive•Transfer to DAC
DAC•Generate Analog signal•Short the signal to ADC
ADC•Get digital values•Transfer to UART Tx Buffer
UART•Transmit data to Matlab
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Roadmap
PUF Understanding
Hardware Implementation
Communication (board to computer)
Automation in Matlab
Result Analysis
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Results!
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Input Output for Ramp signal
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Output of two boards
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Difference in the output of two boards
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Future Work
Scalability
Compatibility
Hardware cryptography
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Special thanks toChester RobeiroVenkatramanShankar Raman M J
Johnny Öberg
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Thank you!