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Combined helper measurement and helper proof seeds #1167

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merged 5 commits into from
Jan 6, 2025

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rozbb
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@rozbb rozbb commented Dec 17, 2024

Before draft 12, the Prio3 sharding algorithm used different PRG seeds for the non-leader measurement share and the non-leader proof share. Since draft 12 (spec diff), these shares are generated from the same seed (with different domain separators). This PR updates the Prio3 sharding algorithm, and also has a few cleanups.

Closes a subtask of #1122.

@rozbb rozbb requested a review from a team as a code owner December 17, 2024 22:03
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Looks good, save for merge conflicts. Once those are resolved, you might be able to un-ignore some of the Prio3 tests.

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rozbb commented Jan 6, 2025

Looks like un-ignoring might be nontrivial. Wanna land this and I'll start another PR?

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Sure sounds good. I think the remaining failure will be fixed by #1170.

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rozbb commented Jan 6, 2025

Actually nvm I got it all working

@divergentdave divergentdave merged commit cc2eb8f into divviup:main Jan 6, 2025
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@rozbb rozbb deleted the combine-meas-and-proof-seeds branch January 7, 2025 03:24
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2 participants