mirror of
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zeekay
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AUDIT-2026-06.md ships the four-dimensional audit:
D1 Permissionless safety: PASSED with two minor open items for v0.7.6.
Rogue-key NOT APPLICABLE (single global (A, bTilde); no per-party pk
in the BLS-aggregation sense). Adaptive corruption documented as
paper-cited only (carryover; GATE-4 target). Slashable equivocation
evidence is cryptographically extractable via signed dkg2.Complaint
and activation-cert non-verification. Front-running: sid IS bound
into PRNG seed / MAC / transcript hash (CRIT-1 fix 2026-05-03), but
plumbed as Go int (64-bit), not 32-byte randomness as threat-model
claims — D1-2 MEDIUM, doc tightening for v0.7.6. D1-3 MINOR: extend
Complaint to signing-round equivocation.
D2 TEE integration: WAS A GAP. Closed by this audit via the new
docs/mptc/tee-integration.md — full per-platform spec for AMD
SEV-SNP (primary Linux path), NVIDIA Confidential Computing
(H100/H200/B200 CC mode) when gpu.UseAccelerator() is used in
production, Intel TDX (alternative), Apple Secure Enclave (local-
only defense-in-depth on Apple Silicon). Intel SGX explicitly NOT
RECOMMENDED. Decomplecting rule held: ZERO Corona kernel code
change required for §3.1, §3.3, §3.4; §3.2 adds one optional
plumbing function (gpu.MaybeRegisterAttested) tracked for v0.7.6.
The TEE layer sits OUTSIDE the cryptographic math — Corona observes
nothing of TEE state.
D3 GPU acceleration inventory: corona/gpu is a thin SubRing-registration
shim around luxfi/lattice/v7/gpu — no kernels live in corona/.
dkg2_parallel.go is goroutine fan-out (honestly relabelled in
ca3389c), not GPU dispatch. Sister-repo lux-private/gpu-kernels/
ops/mpcvm/*/mpcvm_corona.* and ops/crypto/corona/ carry the
legacy name — D3-1 INFORMATIONAL, cross-repo rename TODO.
D4 corona->corona sweep (in-repo COMPLETE):
* Makefile: BINARY_NAME corona -> corona; banner + docker tag.
* Dockerfile: addgroup/adduser/binary-path/entrypoint.
* .github/workflows/ci.yml: bin/corona -> bin/corona; artifact
name corona-${runner.os}-${arch}; release output name pattern.
* .golangci.yml: local-prefixes: corona -> github.com/luxfi/corona.
* docs/{app,content,lib,out,public,.source,mdx-components.tsx,...}
DROPPED — a fumadocs Next.js site (3057 lines) that framed Corona
as a privacy ring-signature scheme (Schnorr + linkability +
hash-to-curve + "ring signatures for transaction privacy"). That
is NOT Corona — Corona is a 2-round R-LWE threshold sig (Boschini
et al. 2024/1113). The site referenced a non-existent
github.com/luxfi/corona Go module. Removed.
* KEPT: docs/mptc/ (authoritative submission docs).
* KEPT: historical refs in CHANGELOG.md, LLM.md, and
CRYPTOGRAPHER-SIGN-OFF.md — they document the prior v0.4.x purge
and are correct as historical context.
* Cross-repo (luxfi/threshold, lux-private/gpu-kernels, luxfi/node)
inventoried as D4-1 INFORMATIONAL — sister-repo work items.
Build clean (GOWORK=off go build ./...). gofmt -s clean. vet clean.
Full short test suite green: dkg, dkg2, gpu, hash, keyera, networking,
primitives, reshare, sign, threshold, utils, wire — ALL ok.
KATs unchanged: no Go code paths edited; FIPS-TRACEABILITY byte-
equality contract preserved. v1.x ABI unchanged: no public Go API
modified. Constant-time discipline preserved: no crypto/subtle paths
touched; CONSTANT-TIME-REVIEW.md remains authoritative.
Production deployment posture (unchanged from v0.7.5): APPROVED WITH
ROADMAP GATES for public-permissionless deployment as a R-LWE
threshold signature primitive in Lux Quasar consensus, with v0.8.0
GATE-3b (10^9-sample dudect on pinned CPU) + GATE-4 (external audit)
+ GATE-5 (Jasmin extraction byte-walk) as carryover roadmap items.
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linters-settings:
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depguard:
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rules:
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main:
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deny:
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- pkg: "github.com/sirupsen/logrus"
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desc: "Use standard library log package"
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dupl:
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threshold: 100
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errcheck:
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check-type-assertions: true
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check-blank: true
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exhaustive:
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default-signifies-exhaustive: false
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goconst:
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min-len: 2
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min-occurrences: 2
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gocritic:
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enabled-tags:
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disabled-checks:
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gocyclo:
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min-complexity: 15
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goimports:
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local-prefixes: github.com/luxfi/corona
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gomnd:
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mnd:
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checks:
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govet:
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lll:
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line-length: 140
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locale: US
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require-specific: false
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revive:
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confidence: 0
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gosec:
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excludes:
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- G104 # Ignore error checking for some cases
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- G115 # Integer overflow (controlled conversions in network protocol)
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- G304 # File path provided by user
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- G401 # Use of weak cryptographic primitive (we use specific crypto for research)
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- G501 # Weak crypto (same reason)
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- G502 # Weak crypto (same reason)
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issues:
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linters:
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- path: primitives/
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linters:
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- gomnd # Cryptographic code has many magic numbers
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- path: main\.go
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linters:
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- linters:
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source: "^//go:generate "
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