Files
math/sample
Hanzo AI b0c6b9c916 LP-107 Phase 6.3-6.5: KAT extension — modarith / ntt / sample
Replicates the codec cross-runtime KAT pattern across the rest of the
math substrate. Each package now ships:

* kat.go — KATEntry/KATBundle aliases pointing at codec.KATEntry/
  codec.KATBundle (one schema for the whole substrate).
* cmd/emit_*_kat/main.go — Go-side emitter that produces the
  canonical bundle.
* kat_test.go — Go replay test (TestKATBundle_RoundTrip*).
* testdata/*_kat.json — emitted bundle, byte-stable across runs.

modarith/cmd/emit_modarith_kat: ~300 entries
  - 100 MontMulMod cross-checked against MulMod
  - 100 AddMod across deterministic random pairs
  - 100 MontgomeryRoundTrip (ToMontgomery -> FromMontgomery)
  - Multiple moduli (PulsarQ, NTT998).

ntt/cmd/emit_ntt_kat: ~50 entries
  - input: 256 random uint64 mod PulsarQ
  - output: NTT(input) byte-stream + SHA-256 commitment
  - Pulsar N=256 ring.

sample/cmd/emit_sample_kat: ~30 entries
  - Uniform / Ternary / CenteredBinomial across param sweeps
  - Each entry records the seed + first 64 sampled values.

Tests: GOWORK=off go test ./modarith/ ./ntt/ ./sample/ -> all PASS.

C++ replay tests follow in luxcpp/crypto commit on this same branch.
2026-05-04 10:20:32 -07:00
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