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After NIST's announcement regarding the finalists and the alternate candidates, various intellectual property concerns were voiced, notably surrounding lattice-based schemes such as Kyber and NewHope. NIST holds signed statements from submitting groups clearing any legal claims, but there is still a concern that third parties could raise claims.
This, and the overall delivery and timing of the announcement, in the absence of post-quantum standards, raised considerable speculation about whether NSA had found weaknesses e.g. in elliptic-curve algorithms or others, or was trying to distance itself from an exclusive focus on ECC for non-technical reasons.
Post-quantum cryptography (PQC), sometimes referred to as quantum-proof, quantum-safe, or quantum-resistant, is the development of cryptographic algorithms (usually public-key algorithms) that are currently thought to be secure against a cryptanalytic attack by a quantum computer.
Falcon is a post-quantum signature scheme selected by the NIST at the fourth round of the post-quantum standardisation process. It was designed by Thomas Prest, Pierre-Alain Fouque, Jeffrey Hoffstein, Paul Kirchner, Vadim Lyubashevsky, Thomas Pornin, Thomas Ricosset, Gregor Seiler, William Whyte, and Zhenfei Zhang.
A presentation once anticipated that BLISS would become a potential candidate for standardization, however it was not submitted to NIST. NIST's criteria for selecting schemes to standardize includes side-channel resistance. However, BLISS and derivative schemes like GALACTICS have shown vulnerabilities to a number of side-channel and timing ...
NIST issued a press release the same day stating that the center was created to "work to strengthen U.S. economic growth by supporting automated and trustworthy e-government and e-commerce." The NCCoE will "host multi-institutional, collaborative efforts that build on expertise from industry and government", according to the press release.
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Multivariate cryptography is the generic term for asymmetric cryptographic primitives based on multivariate polynomials over a finite field.In certain cases, those polynomials could be defined over both a ground and an extension field.