The Potential of Reconfigurable Hardware for HPC Cryptanalysis of SHA-1

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Provided by: edaa
Topic: Hardware
Format: PDF
Modern reconfigurable technologies can have a number of inherent advantages for cryptanalytic applications. Aimed at the cryptanalysis of the SHA-1 hash function, this work explores this potential showing new approaches inherently based on hardware re-configurability, enabling algorithm and architecture exploration, input-dependent system specialization, and low-level optimizations based on static/dynamic reconfiguration. As a result of this approach, the authors identified a number of new techniques, at both the algorithmic and architectural level, to effectively improve the attacks against SHA-1. They also defined the architecture of a high-performance FPGA-based cluster, that turns out to be the solution with the highest speed/cost ratio for SHA-1 collision search currently available.
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