pkc%feat(bls): clean up API to better align with ECDSA, speed up `pk_to_g1`/`sig_to_g2()`, add master public key recovery, scalar and point tweaks, follow-up base-sdk#41 - #44

Merged

kwvg merged 17 commits into

dashpay:developfrom

Sep 15, 2026

Commits on Sep 15, 2026

pkc%fix(bls): consistently return `InvalidKeyMaterial` for bad IKMs
kwvg
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56795d4
pkc%fix(bls): distinguish between too low shares and mismatched count
kwvg
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cc6163c
pkc%refac: rename `ThresholdTooLarge` to `InvalidThreshold` for accuracy
kwvg
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723c898
pkc%refac: `InvalidVerificationVector` -> `InsufficientCoefficients`
kwvg
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dd7e8bf
pkc%refac(bls): disambiguate threshold recovery with `recover_shares()`
kwvg
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c2b6ec4
pkc%refac(bls): disambiguate KDF-based generation with `from_ikm()`
kwvg
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f3675f3
pkc%refac(bls): move `verify{_with}()` to public key to match w/ ECDSA
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85f28f5
pkc%feat(bls): add `verify_pubkey` for parity w/ ECDSA counterpart
kwvg
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c1719b8
pkc%perf(bls): add `deserialize()` to speed up `pk_to_g1`/`sig_to_g2()`
kwvg
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7788357
pkc%feat(bls): expose big-endian scalar reduction
kwvg
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ef72a99
pkc%feat(bls): recover a master public key from its shares
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ea430f2
pkc%feat(bls): add scalar and point tweaks
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9a7210a
pkc%feat(bls): add helper to generate secret key with an RNG
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e412290
pkc%refac(bls): seal `BlsScheme` to prevent external implementations
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ac04d1d
pkc%feat(bls): name the public key hash `BlsPkHash`
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a4c3754
pkc%fix(bls): read a share id in the order the curve reads it
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9b022b5
pkc%fix(bls): refuse an identity recovered from cancelling shares
kwvg
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eb1af57