Title :
DCT based ring oscillator Physical Unclonable Functions
Author :
Gunlu, Onur ; Iscan, Onurcan
Author_Institution :
Inst. for Commun. Eng., Tech. Univ. Munchen, Munich, Germany
Abstract :
A new post-processing scheme is proposed for Physical Unclonable Functions (PUFs) based on Ring Oscillators (ROs). The scheme uses the Discrete Cosine Transform (DCT) to decorrelate the RO outputs and improves on existing RO PUFs in terms of uniqueness and the number of extracted bits.
Keywords :
decorrelation; discrete cosine transforms; oscillators; DCT; PUF; RO output decorrelation; discrete cosine transform; physical unclonable function; post-processing scheme; ring oscillator; Discrete cosine transforms; Error correction; Inverters; Noise; Probability density function; Quantization (signal); Ring oscillators; Discrete Cosine Transform; Key Generation; Physical Unclonable Function; Ring Oscillator;
Conference_Titel :
Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on
Conference_Location :
Florence
DOI :
10.1109/ICASSP.2014.6855199
