Cuteforce Analyzer: A Distributed Bruteforce Attack on PDF Encryption with GPUs and FPGAs. - Bianca Danczul; Jürgen Fuß; Stefan Gradinger; Bernhard Greslehner; Wolfgang Kastl; Florian Wex (ARES, 2013)

Complexity Estimates of a SHA-1 Near-Collision Attack for GPU and FPGA. - Jürgen Fuß; Stefan Gradinger; Bernhard Greslehner-Nimmervoll; Robert Kolmhofer (ARES, 2015)