Maire O'Neill

Decimated in linear time; single power trace, full key recovery attack on Toeplitz hash privacy amplification

2026 · Research Portal (Queen's University Belfast)

We demonstrate a template power side channel attack that recovers the full secret key on an implementation of a radix-2 Decimation in Time Fast Fourier Transform (DIT-FFT) optimised Toeplitz Hashing based privacy amplification, commonly used …