Description
At PQShield, we've developed dedicated coprocessor(s) for lattice schemes, hash-based signatures, and code-based cryptography. These cryptographic modules are commercial rather than academic and designed to meet customer specifications such as a specific performance profile or Common Criteria and FIPS security certification requirements. Hardware implementations of legacy RSA and Elliptic Curve cryptography were generally just "big integer" engines. Post-quantum algorithms use a much broader range of primitive operations and are generally more complex.<br/> Monolithic hardware implementations are self-contained modules implementing the entire algorithm. A monolithic implementation has a clear security boundary but will lead to inflexibility and a relatively large area. On the other hand, a co-design approach will offload only those computations to special memory-mapped peripherals or custom instructions that benefit from it the most, e.g., SHAKE or large polynomial/vector/matrix circuitry. We discuss our experiences with both of these approaches, drawing from our engineering experience.
Next sessions
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Polytopes in the Fiat-Shamir with Aborts Paradigm
Speaker : Hugo Beguinet - ENS Paris / Thales
The Fiat-Shamir with Aborts paradigm (FSwA) uses rejection sampling to remove a secret’s dependency on a given source distribution. Recent results revealed that unlike the uniform distribution in the hypercube, both the continuous Gaussian and the uniform distribution within the hypersphere minimise the rejection rate and the size of the proof of knowledge. However, in practice both these[…]-
Cryptography
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Asymmetric primitive
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Mode and protocol
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Post-quantum Group-based Cryptography
Speaker : Delaram Kahrobaei - The City University of New York