Add stdlib wrappers for remaining BLS12-381 builtins#133
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KtorZ merged 1 commit intoJun 10, 2026
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Complete coverage of the BLS12-381 prelude builtins so protocols no longer need to blend raw builtins with stdlib: - g1.neg / g2.neg: additive inverse of a curve point (previously only inlined inside `sub`). `sub` now reuses `neg`/`add`. - pairing.mul: multiply two `MillerLoopResult` together, aggregating pairings before a final verification (wraps bls12_381_mul_miller_loop_result). Adds property tests: P + (-P) = 0, -P = 0 - P, P - P = 0, and pairing bilinearity (e(P,Q)^2 = e(2P,Q); e(P,Q)*e(P,Q') = e(P, Q+Q')). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What & why
This fills the last gaps in
aiken/crypto/bls12_381so that every BLS12-381 prelude builtin has a stdlib wrapper. Protocols building on pairings no longer have to blend rawbuiltin.bls12_381_*calls with the stdlib API.Mapping all 17 BLS12-381 builtins to wrappers, three were missing:
bls12_381_g1_negg1.negg1.subbls12_381_g2_negg2.negg2.subbls12_381_mul_miller_loop_resultpairing.mulAll other builtins (
add,scalar_mul→scale,equal,compress,uncompress/decompress,hash_to_group,miller_loop,final_verify→final_exponentiation) were already wrapped.Changes
g1.neg/g2.neg— additive inverse of a curve point, following each module's existing style (g1 untyped params, g2 typed).subnow reusesneg/addinstead of calling the builtins directly.pairing.mul— multiplies twoMillerLoopResult, aggregating pairings into one result before a single final verification (leveraging bilinearitye(q1,p1)·e(q2,p2)).g1/g2:P + (−P) = 0,−P = 0 − P,P − P = 0pairing:e(P,Q)² = e(2P,Q)ande(P,Q)·e(P,Q′) = e(P, Q+Q′)vNEXTentry.Verification
aiken check— green, 0 failures.aiken fmt --check— clean.🤖 Generated with Claude Code