Round 1 (Additional Signatures) OFFICIAL COMMENT: SDitH
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Thibauld Feneuil
Nov 23, 2023, 4:22:44 AM11/23/23
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Dear all,
The SDitH consortium is happy to announce that SDitH v1.1 has been released. This new version simply corresponds to SDitH v1.0 with updated parameters. We thank Kevin Carrier and Jean-Pierre Tillich for raising the issue about the previous parameter sets (non-unicity of the SD solution).
The new specifications and code are available on the SDitH website
https://sdith.org/
and on the GitHub repository
https://github.com/sdith/sdith
We also released the Python script we used to choose the parameter sets:
https://github.com/sdith/sdith-parameters
The new parameter sets have only a small impact on the signature performance. The signature sizes have increased by a factor of at most +3% (for all security levels). The impact of the running times of the hypercube variant is negligible. The running times of the threshold variant have increased by a factor of at most +38% when working on GF(256) and of at most +9% when working on GF(251). Let us stress that we did not optimize more the implementations compared to the NIST submission package.
Best regards,
The SDitH Consortium
The SDitH consortium is happy to announce that SDitH v1.1 has been released. This new version simply corresponds to SDitH v1.0 with updated parameters. We thank Kevin Carrier and Jean-Pierre Tillich for raising the issue about the previous parameter sets (non-unicity of the SD solution).
The new specifications and code are available on the SDitH website
https://sdith.org/
and on the GitHub repository
https://github.com/sdith/sdith
We also released the Python script we used to choose the parameter sets:
https://github.com/sdith/sdith-parameters
The new parameter sets have only a small impact on the signature performance. The signature sizes have increased by a factor of at most +3% (for all security levels). The impact of the running times of the hypercube variant is negligible. The running times of the threshold variant have increased by a factor of at most +38% when working on GF(256) and of at most +9% when working on GF(251). Let us stress that we did not optimize more the implementations compared to the NIST submission package.
Best regards,
The SDitH Consortium
Edoardo Persichetti
Feb 20, 2024, 5:58:49 PM2/20/24
to pqc-co...@nist.gov, pqc-...@list.nist.gov
Dear all,
The LESS team would like to announce the release of the LESS v1.2 package. This new package includes a few fixes to various small bugs, as well as additional tools, such as a parameter generation script.
All the material contained in the new package is available on the LESS project website
Best regards,
The LESS team
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