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https://github.com/luxfi/threshold.git
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zeekay
ec98765132
Adds the re-exports luxfi/consensus needs through the canonical
threshold/protocols alias surface so the consensus engine no longer
imports luxfi/corona/* or luxfi/pulsar/ref/go directly.
Protocols/corona top-level gains Params, NewParams, GenerateKeys,
VerifyBatch, VerifyBatchAll forwards on top of the existing
Signer/KeyShare/GroupKey/Round1Data/Round2Data/Signature/Verify/
NewSigner type aliases.
New subpackages mirror the luxfi/corona namespace:
protocols/corona/keyera -> luxfi/corona/keyera
protocols/corona/primitives -> luxfi/corona/primitives
protocols/corona/reshare -> luxfi/corona/reshare
protocols/corona/sign -> luxfi/corona/sign
protocols/corona/gpu -> luxfi/corona/gpu
A new protocols/pulsar subpackage mirrors luxfi/pulsar/ref/go/pkg/pulsar
covering Mode constants, Params/ParamsP{44,65,87}/ParamsFor, the
key/share/signature types, identity layer (IdentityKey,
IdentityDirectory, SymmetricSession, GenerateIdentity), two-round
threshold signing (ThresholdSigner, NewThresholdSigner, Combine),
DKG (DKGSession, NewDKGSession, DKGOutput, DKGRound1Msg, DKGRound2Msg),
and the single-party FIPS 204 baseline (GenerateKey, Sign, VerifyCtx).
The re-exports are type aliases and thin function forwards; no
behaviour change. The underlying corona kernel and pulsar reference
implementation are unchanged.
go.mod bumps luxfi/corona v0.4.1 -> v0.7.5 (needed for the gpu
subpackage, which appeared at v0.7.2) and adds luxfi/pulsar v1.0.12
matching the consensus consumer. Pre-existing prometheus-stack indirect
deps stripped by go mod tidy because the metric sweep already removed
the direct consumer.
Closes the 22-file layering violation flagged by the 2026-05-31
integration audit. The consensus consumer that target these new
alias paths lands in a companion commit on luxfi/consensus.
Layering shape after:
consensus -> threshold/protocols/{corona,pulsar} (stable alias)
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v
luxfi/corona, luxfi/pulsar (primitive implementations)
44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
// Copyright (C) 2025-2026, Lux Industries Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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// Package gpu re-exports github.com/luxfi/corona/gpu through the
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// threshold/protocols/corona alias surface. Downstream consumers
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// (luxfi/consensus) target this import path so the consensus engine
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// does not depend directly on the corona module.
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//
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// The corona/gpu package owns ALL build-tag plumbing for the lattice
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// GPU NTT dispatcher. On a pure-Go build (no cgo, no Metal, no CUDA)
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// every entrypoint here is a no-op and the underlying CPU NTT path
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// runs unchanged.
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package gpu
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import (
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"github.com/luxfi/corona/gpu"
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)
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// UseAccelerator opts every subsequent corona threshold signer into
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// the lattice GPU NTT dispatch path. Idempotent; safe to call from
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// package init or boot configuration. Returns the corona/gpu
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// UseAccelerator error verbatim — currently always nil.
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func UseAccelerator() error {
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return gpu.UseAccelerator()
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}
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// DisableAccelerator clears the opt-in flag and resets the SubRing
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// dispatch threshold. Subsequent NewParams calls in the corona kernel
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// leave their rings on the CPU NTT path.
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func DisableAccelerator() {
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gpu.DisableAccelerator()
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}
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// Enabled reports whether the accelerator opt-in flag is set.
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func Enabled() bool {
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return gpu.Enabled()
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}
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// Backend returns the active GPU backend name ("Metal", "CUDA", or a
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// CPU descriptor) for diagnostic logging.
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func Backend() string {
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return gpu.Backend()
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}
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