Protecting PUF Error Correction by Codeword Masking

Provided by: Technische Universitat Ilmenau
Topic: Security
Format: PDF
One of the main applications of Physical Unclonable Functions (PUFs) is unique key generation. While the advantages of PUF-based key extraction and embedding have been shown in several papers, physical attacks on it have gained only little interest until now. In this paper, the authors demonstrate the feasibility of a differential power analysis attack on the error correction module of a secure sketch. This attack can also be applied to code-offset fuzzy extractors because they build upon secure sketches.

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