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Releases: Consensys/gnark

v0.12.0

24 Jan 00:42
@ivokub ivokub
v0.12.0
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NB! This release fixes security advisory GHSA-cph5-3pgr-c82g (OOM on specially crafted inputs).

What's Changed

New Contributors

Full Changelog: v0.11.0...v0.12.0

Contributors

wwared, kustosz, and 13 other contributors
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v0.11.0

06 Sep 08:47
@ivokub ivokub
v0.11.0
dc04a1d
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v0.11.0

NB! This releases fixes GHSA-9xcg-3q8v-7fq6 and GHSA-q3hw-3gm4-w5cr. Additionally, gnark has undergone several audits. We have implemented many performance improvements. See the full list of changes below!

Thanks for all the external and core contributors!

What's Changed

New Contributors

Full Changelog: v0.10.0...v0.11.0

Contributors

ivokub, bernard-wagner, and 10 other contributors
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v0.10.0

22 Apr 14:04
@gbotrel gbotrel
v0.10.0
b2dfec7
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v0.10.0

What's Changed

TLDR;

Breaking changes

  • PlonK was updated to latest paper version and is incompatible with previous gnark version
  • gnark now supports efficient PlonK recursion with 2-chains (bls12-377 / bw6-761)
  • Groth16 solidity verifier now supports commitments
  • Addition of a "decompression" component in gnark/std
  • Experimental GPU support
  • Many performance improvements
  • feat: BW6-761 emulated pairing by @yelhousni in #846
  • Feat: BW6-761 KZG gadget by @yelhousni in #866
  • Fix: edge cases in the Karabina cyclotomic square decompression by @yelhousni in #868
  • chore: avoid nonnative dereferences by @ivokub in #861
  • feat: allow custom hash function in backends by @ivokub in #873
  • chore: cleanup documentation examples by @ivokub in #878
  • Refactor(BW6-761): use revisited Ate pairing instead of Tate by @yelhousni in #876
  • Fix sw_emulated test by @secure12 in #889
  • feat: add short-hash wrappers for recursion by @ivokub in #884
  • Feat/marshal g1 scalar by @ThomasPiellard in #891
  • perf: lookup blueprint compile time improvement by @gbotrel in #899
  • FEAT: Add experimental support for Icicle GPU acceleration behind build tag by @jeremyfelder in #844
  • feat: Fiat-Shamir transcript using a short hash by @ivokub in #900
  • refactor: use emulated.FieldParams as type parameter to generic Curve and Pairing by @ivokub in #901
  • fix: non-native arithmetic autoreduction for division, inversion and sqrt by @ivokub in #870
  • feat: batched KZG by @ivokub in #908
  • fix: use platform independent method for counting new multiplication overflow from result limb count by @ivokub in #916
  • feat: cache lookup blueprint entries in solving phase by @gbotrel in #915
  • feat: make gkr hash registries private and threadsafe by @gbotrel in #920
  • refactor: simplify hint overloading for api.Commit by @gbotrel in #919
  • Perf/multisymbol 4bw by @Tabaie in #912
  • fix: missing wait on channel in plonk prover by @gbotrel in #926
  • Feat/bypass compression by @Tabaie in #924
  • perf: if we don't compress, no need to index dict. by @gbotrel in #929
  • Perf: optimize addition chains in BW6-761 final exponentiation by @yelhousni in #931
  • Perf: variant of the Karabina cyclotomic squaring by @yelhousni in #933
  • feat: add PLONK in-circuit verifier by @ivokub in #880
  • perf: use G2 precomputed lines for Miller loop by @ivokub in #930
  • perf: bounded scalar multiplication by @ivokub in #934
  • Chore/compression v1 by @Tabaie in #940
  • perf: non-native modular multiplication by @ivokub in #749
  • fix: several typos in the documentation by @tudorpintea999 in #943
  • feat: exit when condition is not filled by @ThomasPiellard in #928
  • refactor: use external compressor repo by @Tabaie in #942
  • fix: #951 plonk verifier checks witness length by @gbotrel in #952
  • refactor: plonk.Setup takes kzg srs in canonical and lagrange form by @gbotrel in #953
  • Perf: plonk verifier gadget by @yelhousni in #949
  • Perf: KZG verify gadget by @yelhousni in #874
  • Feat/plonk verifier batching by @ThomasPiellard in #960
  • chore(deps): bump golang.org/x/crypto from 0.12.0 to 0.17.0 by @dependabot in #973
  • perf(ecdsa): use GLV in JointScalarMulBase by @yelhousni in #975
  • chore: adapt changes from native Fiat-Shamir transcript by @ivokub in #974
  • perf,memory: lighter plonk ProvingKey (no trace) by @gbotrel in #957
  • perf: mark the result of builder.IsZero as boolean to save constraints when used in future by @winderica in #977
  • feat: update compress version; failing test by @gbotrel in #979
  • fix: typos by @GoodDaisy in #992
  • Feat/variable dict by @Tabaie in #989
  • Fix std/recursion/plonk native and emulated examples by @wzmuda in #968
  • feat: some todos and dead code by @yelhousni in #993
  • fix IsZero bug in std/math/emulated/field_assert.go by @readygo67 in #1002
  • perf(ecmul): use GLV with safe handling of edge cases in EVM ecmul by @yelhousni in #976
  • fix: remove shorthash override for same field by @ivokub in #1008
  • Refac/compress packing by @Tabaie in #1007
  • feat: different PLONK circuit verification by @ivokub in #1010
  • feat: adds plonk.SRSSize helper method by @gbotrel in #1012
  • perf: groth16 verifier circuit uses precomputed lines for all curves by @yelhousni in #1016
  • docs: describe that hint inputs and outputs are init-ed by @ivokub in #1003
  • fix: assign baseChallenge correctly while verifying gkr solution by @ahmetyalp in #1020
  • feat: use n-bit mux for switching PLONK verification keys by @ivokub in #1017
  • fix: Decompressor to return -1 when output doesn't fit by @Tabaie in #1022
  • Fix: edge cases in std/algebra elliptic curve arithmetic circuit (emulated and 2-chains) by @yelhousni in #1023
  • fix: use subtraction with reduce in AssertIsEqual by @ivokub in #1026
  • feat: plonk verifier options by @ivokub in #1028
  • build: update compress to latest version by @gbotrel in #1032
  • test: add emulated pairing circuits to stats by @yelhousni in #1031
  • fix: use G1 generator from SRS by @ivokub in #1035
  • fix: another occurence of G1 in SRS by @ivokub in #1036
  • fix: organize std packages hints registrations by @ivokub in #1043
  • perf(sw_emulated): optimize jointScalarMulGeneric by @yelhousni in #1049
  • feat: subgroup G1/G2 membership BW6-761 and BLS12-377 by @yelhousni in #1030
  • Refac/blob decompressor mirror by @Tabaie in #1047
  • chore: remove committed profiles by @ivokub in #1053
  • feat: stabilize anonymous hint function names by @ivokub in #1054
  • feat: add option for enforcing number of goroutines for the solver by @ivokub in #1052
  • feat: verify commitments in groth16 recursion verifier by @ahmetyalp in #1057
  • feat: non-native sumcheck verifier by @ivokub in #1042
  • fix: scs add/mul when recorded constraint is 0 by @yelhousni in #1068
  • perf: emulated equality assertion by @ivokub in #1064
  • refactor: kill backend.PLONK_FRI by @gbotrel in #1075
  • Faster cubic 01 01 mul by @shramee in #1076
  • Faster cubic 012 mul 01 by @shramee in #1077
  • feat: add hint calling with either native inputs or outputs by @ivokub in #1080
  • fix: emulated hint tests by @ivokub in #1083
  • Perf: optimize EC arithmetic by @yelhousni in #1061
  • feat: add MulNoReduce and Sum methods in field emulation by @ivokub in #1072
  • Perf: optimize scalar multiplication for 2-chains by @yelhousni in #1085
  • perf/fix: assume variable as zero constant when subtracting from itself by @ivokub in #1089
  • feat: add range check selector retrieval by @ivokub in https://github.com/Consensys...
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Contributors

ivokub, bernard-wagner, and 14 other contributors
Assets 2
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v0.9.1

16 Oct 18:34
@gbotrel gbotrel
v0.9.1
3421eaa
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v0.9.1

What's Changed

Fixes

New Contributors

Full Changelog: v0.9.0...v0.9.1

Contributors

ivokub, lightning-li, and 4 other contributors
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v0.9.0

26 Sep 14:01
@gbotrel gbotrel
v0.9.0
59a4087
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v0.9.0

What's Changed

Features

Core

  • feat: Groth16 MPC setup by @HSG88 in #515
  • feat: BSB22 commitments PlonK by @Tabaie in #586
  • feat: add simple key-value store to the builders by @ivokub in #480
  • refactor: define Committer interface for builders by @ivokub in #481
  • feat: add defer to the Compiler interface by @ivokub in #483
  • feat: PlonK frontend filter common cases of duplicate constraints by @gbotrel in #539
  • perf: various performance improvements for PlonK prover by @gbotrel in #593
  • feat, perf: introduce constraint blueprints. improve memory usage for constraint systems by @gbotrel in #641
  • perf: reduce mem allocs in scs frontend by @gbotrel in #654
  • feat: PlonK multicommit by @Tabaie in #668
  • feat: Groth16 Multicommits by @Tabaie in #702
  • feat: change opening order kzg by @ThomasPiellard in #694
  • feat: adds GKR api by @Tabaie in #443
  • feat: optimized PlonK solidity verifier for BN254 by @ThomasPiellard
  • perf, feat: assert.CheckCircuit(...) by @gbotrel in #825
  • Optimized BN254 Groth16 Solidity template with compressed proof support by @recmo in #810

Circuit

Fixes

  • fix: scs.MarkBoolean missing return w/ constant by @gbotrel in #491
  • fix: closes #509 api did not handle AssertIsLessOrEqual with constant as first param by @gbotrel in #511
  • fix: restrict constants in field emulation to width by @ivokub in #518
  • fix: subtraction overflow computation bug by @ivokub in #579
  • fix(emulated pairing): edge cases in torus-based final exp by @yelhousni in #613
  • fix: serializeCommitment by @SherLzp in #651
  • fix race condition when compiling circuits in parallel by @gbotrel in #676
  • fix: emulated ToBits by @ivokub in #731
  • fix: do not accumulate terms with zero coefficient for addition by @ivokub in #763
  • fix: assert that the binary decomposition of a variable is less than the modulus by @ivokub in #835

Refactor

  • refactor: PlonK uses constraint/ and couple of fixes closes #467 by @gbotrel in #493
  • refactor: std/algebra by @yelhousni in #526
  • refactor: expose all typed backends in gnark/backend (moved from internal/) by @gbotrel in #561
  • refactor: based on #515 generify groth16 MPC setup for all curves, flatten packages+ refactor by @gbotrel in #563
  • refactor: Minimize Commitment info in PlonK vk by @Tabaie in #633
  • refactor: hint name options by @Tabaie in #666
  • refactor, perf: 2-chains pairing + groth16 API by @yelhousni in #664

New Contributors

Full Changelog: v0.8.1...v0.9.0

What's Changed

  • fix: Plonk Fiat-Shamir Challenges with BSB22 by @Tabaie in #812
  • Perf: save some negations in emulated pairings by @yelhousni in #816

Contributors

ivokub, recmo, and 8 other contributors
Assets 2
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v0.9.0-alpha

18 Aug 15:43
@gbotrel gbotrel
v0.9.0-alpha
f9dfb87
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v0.9.0-alpha Pre-release
Pre-release

What's Changed

Features

Core

  • feat: Groth16 MPC setup by @HSG88 in #515
  • feat: BSB22 commitments PlonK by @Tabaie in #586
  • feat: add simple key-value store to the builders by @ivokub in #480
  • refactor: define Committer interface for builders by @ivokub in #481
  • feat: add defer to the Compiler interface by @ivokub in #483
  • feat: PlonK frontend filter common cases of duplicate constraints by @gbotrel in #539
  • perf: various performance improvements for PlonK prover by @gbotrel in #593
  • feat, perf: introduce constraint blueprints. improve memory usage for constraint systems by @gbotrel in #641
  • perf: reduce mem allocs in scs frontend by @gbotrel in #654
  • feat: PlonK multicommit by @Tabaie in #668
  • feat: Groth16 Multicommits by @Tabaie in #702
  • feat: change opening order kzg by @ThomasPiellard in #694
  • feat: adds GKR api by @Tabaie in #443
  • feat: optimized PlonK solidity verifier for BN254 by @ThomasPiellard

Circuit

Fixes

  • fix: scs.MarkBoolean missing return w/ constant by @gbotrel in #491
  • fix: closes #509 api did not handle AssertIsLessOrEqual with constant as first param by @gbotrel in #511
  • fix: restrict constants in field emulation to width by @ivokub in #518
  • fix: subtraction overflow computation bug by @ivokub in #579
  • fix(emulated pairing): edge cases in torus-based final exp by @yelhousni in #613
  • fix: serializeCommitment by @SherLzp in #651
  • fix race condition when compiling circuits in parallel by @gbotrel in #676
  • fix: emulated ToBits by @ivokub in #731
  • fix: do not accumulate terms with zero coefficient for addition by @ivokub in #763

Refactor

  • refactor: PlonK uses constraint/ and couple of fixes closes #467 by @gbotrel in #493
  • refactor: std/algebra by @yelhousni in #526
  • refactor: expose all typed backends in gnark/backend (moved from internal/) by @gbotrel in #561
  • refactor: based on #515 generify groth16 MPC setup for all curves, flatten packages+ refactor by @gbotrel in #563
  • refactor: Minimize Commitment info in PlonK vk by @Tabaie in #633
  • refactor: hint name options by @Tabaie in #666
  • refactor, perf: 2-chains pairing + groth16 API by @yelhousni in #664

New Contributors

Full Changelog: v0.8.1...v0.9.0-alpha

Contributors

ivokub, gbotrel, and 6 other contributors
Assets 2
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v0.8.1

11 Jul 15:42
@ivokub ivokub
v0.8.1
165b49a
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v0.8.1

Security

Update gnark-crypto dependency to include security fix.

What's Changed

Full Changelog: v0.8.0...v0.8.1

Contributors

aybehrouz
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v0.8.0

14 Feb 20:54
@gbotrel gbotrel
v0.8.0
2753ae6
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v0.8.0

What's Changed

New features

Circuit API

gnark tools

  • gnark/profile outputs pprof compatible circuit profiling data by @gbotrel in #352

Performance

  • Allocate less in test engine by @ivokub in #331
  • Add debug.SymbolTable into constraint system for storage efficiency of debug info by @gbotrel in #421
  • api.IsZero generate less constraints by @gbotrel in #356
  • Optimize bn254/groth16 solidity verifier. by @citizen-stig in #376
  • Compress linear expression by @ivokub in #418
  • Add constraint package and improve memory management in frontend by @gbotrel in #412

Refactor & consolidate

  • Clean up witness package, introduces clean witness.Witness interface by @gbotrel in #450
  • Add cs.GetConstraint with examples, and pretty printer helpers by @gbotrel in #452
  • Serialization header to CS and debug info to all constraints with -tags=debug by @gbotrel in #347
  • Compile(ecc.ID) -> Compile(field *big.Int) by @gbotrel in #328
  • std/math/nonnative -> std/math/emulated by @gbotrel in #345
  • Kill api.Tag and api.Counter by @gbotrel in #353
  • A field element is always in Montgomery form and big.Ints are always non-Mont by @Tabaie in #422
  • Re-write PlonK backend to use gnark-crypto/iop by @ThomasPiellard in #451

Fixes

New Contributors

Full Changelog: v0.7.1...v0.8.0

Contributors

ivokub, citizen-stig, and 8 other contributors
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v0.7.0

27 Mar 18:41
@gbotrel gbotrel
v0.7.0
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v0.7.0

[v0.7.0] - 2022-03-25

Build

  • go.mod: go version upgrade 1.16 --> go1.17
  • update to gnark-crpto v0.7.0

Feat

  • adds gnark logger. closes #202
  • added internal/stats package: measure number of constraints of circuit snippets for regression
  • adds std/math/bits/ToNAF ToBinary ToTernary

Fix

  • enables recursive hints solving #293 and
  • move init() behind sync.Once. remove verbose option in stats binary
  • fixes #266 by adding constant path in Lookup2 and Select
  • incorrect handling of nbBits == 1 in api.ToBinary
  • PlonK vulnerability: thanks to Trail Of Bits for finding this vulnerability and responsibly disclosing it

Perf

  • restored frontend.WithCapacity option...
  • plonk: IsConstant -> ConstantValue
  • sw: no need for Lookup2 in constScalarMul
  • remove offset shifts in plonk compile
  • remove post-compile offset id in R1CS builder

Refactor

  • frontend.Compile now takes a builder instead of backendID as parameter
  • std/signature/eddsa Verify api now takes explicit hash and curve objects
  • make nboutputs of a hint explicit at compile time
  • std/pairing have more consistent apis
  • remove StaticHint wrapper, log duplicate hints (#289)
  • backend.WithOutput -> backend.WithCircuitLogger
  • remove all internal circuits from stats, keep important snippets only
  • frontend: split compiler, api and builder interface into interfaces
  • remove IsBoolean from R1CS variables
  • moved internal/compiled to frontend/compiled

Pull Requests

  • Merge pull request #295 from ConsenSys/fix/test-println
  • Merge pull request #294 from ConsenSys/fix/recursivehhints
  • Merge pull request #291 from ConsenSys/refactor/std/pairing
  • Merge pull request #281 from ConsenSys/feat/logger
  • Merge pull request #280 from ConsenSys/simplify-r1cs-compile
  • Merge pull request #279 from ConsenSys/feat/statistics
  • Merge pull request #276 from ConsenSys/feat-math-bits
  • Merge pull request #278 from ConsenSys/perf-constant-lookup2
  • Merge pull request #272 from ConsenSys/refactor-hint
  • Merge pull request #275 from ConsenSys/refactor-compiler-builder
  • Merge pull request #271 from ConsenSys/refactor-compiled
  • Merge pull request #267 from ConsenSys/perf/tEd-add
  • Merge pull request #265 from ConsenSys/perf/SW-constScalarMul
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v0.6.4

15 Feb 18:42
@gbotrel gbotrel
v0.6.4
a88771d
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v0.6.4

[v0.6.4] - 2022-02-15

Build

  • update to gnark-crpto v0.6.1

Feat

  • Constraint system solvers (Groth16 and PlonK) now run in parallel

Fix

  • api.DivUnchecked with PlonK between 2 constants was incorrect

Perf

  • EdDSA: std/algebra/twistededwards takes ~2K less constraints (Groth16). Bandersnatch benefits from same improvments.

Pull Requests

  • Merge pull request #259 from ConsenSys/perf-parallel-solver
  • Merge pull request #261 from ConsenSys/feat/kzg_updated
  • Merge pull request #257 from ConsenSys/perf/EdDSA
  • Merge pull request #253 from ConsenSys/feat/fft_cosets
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