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Improve Shamir Secret Sharing code - #1813

Merged

felixfontein merged 7 commits into

getsops:mainfrom

felixfontein:shamir

Mar 28, 2025

Merged

Improve Shamir Secret Sharing code#1813
felixfontein merged 7 commits into
getsops:mainfrom
felixfontein:shamir

Commits on Mar 28, 2025
- Update x coorindate randomization comment.
  felixfontein
  committed
  572659b
- Remove x coordinate randomization.
  felixfontein
  committed
  8bc5e92
- Replace GF(256) division with a constant time implementation.
  felixfontein
  committed
  8ce1179
- Change multiplication and division functions to no longer use tables.
  felixfontein
  committed
  ec05a6f
- Avoid unnecessary select since mult() already handles the case that a is zero.
  felixfontein
  committed
  b6e4811
- Better document arithmetic functions.
  felixfontein
  committed
  136e271
- Add mul/div smoke test.
  felixfontein
  committed
  bae6742