FROST Trusted Dealer#278

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jesseposner wants to merge 27 commits intoBlockstreamResearch:masterfrom

jesseposner:frost-trusted-dealer

Commits on Sep 20, 2025

frost trusted dealer: initialize project

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frost trusted dealer: share generation

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frost trusted dealer: share verification

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frost trusted dealer: key tweaking

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frost trusted dealer: nonce generation

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frost trusted dealer: nonce aggregation and adaptor signatures

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frost trusted dealer: signature generation and aggregation

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frost trusted dealer: add example file

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frost trusted dealer: add tests

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frost trusted dealer: add documentation file

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frost trusted dealer: build: add CMake support

theStack
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Use VERIFY_CHECK for zero x-coordinate

jesseposner
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Remove unused ret variable

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Rename secp256k1_frost_share to secp256k1_frost_secshare

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Revise nonce reuse warning

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Check for equality before computing indexhash

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Simplify code

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Improve documentation

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wip

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- examples/frost.c: zero-init secp256k1_frost_keygen_cache to avoid UB.
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fix(frost/tests): update tests to current FROST API
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fix(ctime_tests, frost): migrate ctime test to index-based FROST API
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fix(frost tests, example): silence unused-but-set vars; correct 32-byte msg init
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Commits on Sep 21, 2025

doc: fix FROST API comments and annotations
BEULAHEVANJALIN
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Commits on Sep 24, 2025

frost/keygen: clean up evaluate_vss, and fix naming
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Commits on Sep 25, 2025

frost: CT secnonce checks, tagged SHA midstates, batch gej->ge, tests
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Commits on Oct 5, 2025

tests(frost): refactor & harden
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