Import the BDN/Gnark module from upstream dedis

It's probably going to take a while for upstream to merge the changes so
we're importing just the changed package (BDN) and the new
package (Gnark) into this repo. That way we avoid forking the entire
repo but can still import our changes.

Any changes to these pacakges should be submitted as PRs to upstream
_first_, then backported to this repo.

Includes:

- dedis/kyber#546
- dedis/kyber#551
- dedis/kyber#553

Author: Stebalien

Diff for: blssig/aggregation.go

@@ -6,12 +6,12 @@ import (
 	"fmt"
 	"runtime/debug"
 
-	"github.com/filecoin-project/go-f3/gpbft"
-	"github.com/filecoin-project/go-f3/internal/measurements"
+	"go.dedis.ch/kyber/v4"
 	"go.opentelemetry.io/otel/metric"
 
-	"go.dedis.ch/kyber/v4"
-	"go.dedis.ch/kyber/v4/sign"
+	"github.com/filecoin-project/go-f3/gpbft"
+	"github.com/filecoin-project/go-f3/internal/bls/bdn"
+	"github.com/filecoin-project/go-f3/internal/measurements"
 )
 
 // Max size of the point cache.
@@ -93,7 +93,7 @@ func (v *Verifier) VerifyAggregate(msg []byte, signature []byte, pubkeys []gpbft
 	return v.scheme.Verify(aggPubKey, msg, signature)
 }
 
-func (v *Verifier) pubkeysToMask(pubkeys []gpbft.PubKey) (*sign.Mask, error) {
+func (v *Verifier) pubkeysToMask(pubkeys []gpbft.PubKey) (*bdn.Mask, error) {
 	kPubkeys := make([]kyber.Point, 0, len(pubkeys))
 	for i, p := range pubkeys {
 		point, err := v.pubkeyToPoint(p)
@@ -103,9 +103,9 @@ func (v *Verifier) pubkeysToMask(pubkeys []gpbft.PubKey) (*sign.Mask, error) {
 		kPubkeys = append(kPubkeys, point.Clone())
 	}
 
-	mask, err := sign.NewMask(kPubkeys, nil)
+	mask, err := bdn.NewMask(v.keyGroup, kPubkeys, nil)
 	if err != nil {
-		return nil, fmt.Errorf("creating key mask: %w", err)
+		return nil, fmt.Errorf("creating bdn mask: %w", err)
 	}
 	for i := range kPubkeys {
 		err := mask.SetBit(i, true)

Diff for: blssig/cache_test.go

@@ -5,16 +5,16 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-	bls12381 "go.dedis.ch/kyber/v4/pairing/bls12381/kilic"
-	"go.dedis.ch/kyber/v4/sign/bdn"
 
 	"github.com/filecoin-project/go-f3/gpbft"
+	"github.com/filecoin-project/go-f3/internal/bls/bdn"
+	bls12381 "github.com/filecoin-project/go-f3/internal/bls/gnark"
 )
 
 const maxCacheMemory uint64 = 10 << 20 // 10MiB
 
 func TestCacheMemory(t *testing.T) {
-	suite := bls12381.NewBLS12381Suite()
+	suite := bls12381.NewSuiteBLS12381()
 	scheme := bdn.NewSchemeOnG2(suite)
 
 	rand := suite.RandomStream()

Diff for: blssig/signer.go

@@ -6,9 +6,9 @@ import (
 	"errors"
 
 	"github.com/filecoin-project/go-f3/gpbft"
+	"github.com/filecoin-project/go-f3/internal/bls/bdn"
+	bls12381 "github.com/filecoin-project/go-f3/internal/bls/gnark"
 	"go.dedis.ch/kyber/v4"
-	bls12381 "go.dedis.ch/kyber/v4/pairing/bls12381/kilic"
-	"go.dedis.ch/kyber/v4/sign/bdn"
 )
 
 var _ gpbft.Signer = (*Signer)(nil)
@@ -21,7 +21,7 @@ type Signer struct {
 
 func SignerWithKeyOnG1(pub gpbft.PubKey, privKey kyber.Scalar) *Signer {
 	return &Signer{
-		scheme:  bdn.NewSchemeOnG2(bls12381.NewBLS12381Suite()),
+		scheme:  bdn.NewSchemeOnG2(bls12381.NewSuiteBLS12381()),
 		pubKey:  pub,
 		privKey: privKey,
 	}

Diff for: blssig/verifier.go

@@ -8,11 +8,11 @@ import (
 	"sync"
 
 	"go.dedis.ch/kyber/v4"
-	bls12381 "go.dedis.ch/kyber/v4/pairing/bls12381/kilic"
-	"go.dedis.ch/kyber/v4/sign/bdn"
 	"go.opentelemetry.io/otel/metric"
 
 	"github.com/filecoin-project/go-f3/gpbft"
+	"github.com/filecoin-project/go-f3/internal/bls/bdn"
+	bls12381 "github.com/filecoin-project/go-f3/internal/bls/gnark"
 	"github.com/filecoin-project/go-f3/internal/measurements"
 )
 
@@ -25,7 +25,7 @@ type Verifier struct {
 }
 
 func VerifierWithKeyOnG1() *Verifier {
-	suite := bls12381.NewBLS12381Suite()
+	suite := bls12381.NewSuiteBLS12381()
 	return &Verifier{
 		scheme:   bdn.NewSchemeOnG2(suite),
 		keyGroup: suite.G1(),

Diff for: blssig/verifier_test.go

@@ -4,14 +4,14 @@ import (
 	"context"
 	"testing"
 
+	"github.com/filecoin-project/go-f3/internal/bls/bdn"
+	bls12381 "github.com/filecoin-project/go-f3/internal/bls/gnark"
 	"github.com/stretchr/testify/require"
-	bls12381 "go.dedis.ch/kyber/v4/pairing/bls12381/kilic"
-	"go.dedis.ch/kyber/v4/sign/bdn"
 )
 
 func BenchmarkBLSSigning(b *testing.B) {
 	var (
-		blsSuit   = bls12381.NewBLS12381Suite()
+		blsSuit   = bls12381.NewSuiteBLS12381()
 		blsSchema = bdn.NewSchemeOnG2(blsSuit)
 	)
 	privKey, pubKey := blsSchema.NewKeyPair(blsSuit.RandomStream())

Diff for: go.mod

@@ -3,6 +3,7 @@ module github.com/filecoin-project/go-f3
 go 1.22
 
 require (
+	github.com/consensys/gnark-crypto v0.12.1
 	github.com/filecoin-project/go-bitfield v0.2.4
 	github.com/filecoin-project/go-clock v0.1.0
 	github.com/filecoin-project/go-state-types v0.14.0
@@ -35,7 +36,9 @@ require (
 	github.com/andybalholm/brotli v1.1.0 // indirect
 	github.com/benbjohnson/clock v1.3.5 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bits-and-blooms/bitset v1.13.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
 	github.com/containerd/cgroups v1.1.0 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
@@ -62,7 +65,6 @@ require (
 	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
 	github.com/jbenet/go-temp-err-catcher v0.1.0 // indirect
 	github.com/jbenet/goprocess v0.1.4 // indirect
-	github.com/kilic/bls12-381 v0.1.0 // indirect
 	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
 	github.com/koron/go-ssdp v0.0.4 // indirect
@@ -82,6 +84,7 @@ require (
 	github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect
 	github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect
 	github.com/minio/sha256-simd v1.0.1 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
 	github.com/mr-tron/base58 v1.2.0 // indirect
 	github.com/multiformats/go-base32 v0.1.0 // indirect
 	github.com/multiformats/go-base36 v0.2.0 // indirect
@@ -128,6 +131,7 @@ require (
 	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/syndtr/goleveldb v1.0.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 // indirect
+	go.dedis.ch/fixbuf v1.0.3 // indirect
 	go.opentelemetry.io/otel/trace v1.28.0 // indirect
 	go.uber.org/dig v1.17.1 // indirect
 	go.uber.org/fx v1.21.1 // indirect
@@ -140,4 +144,5 @@ require (
 	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	lukechampine.com/blake3 v1.2.1 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
 )

Diff for: go.sum

@@ -18,12 +18,18 @@ github.com/benbjohnson/clock v1.3.5/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZx
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/bits-and-blooms/bitset v1.13.0 h1:bAQ9OPNFYbGHV6Nez0tmNI0RiEu7/hxlYJRUA0wFAVE=
+github.com/bits-and-blooms/bitset v1.13.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cilium/ebpf v0.2.0/go.mod h1:To2CFviqOWL/M0gIMsvSMlqe7em/l1ALkX1PyjrX2Qs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/consensys/bavard v0.1.13 h1:oLhMLOFGTLdlda/kma4VOJazblc7IM5y5QPd2A/YjhQ=
+github.com/consensys/bavard v0.1.13/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI=
+github.com/consensys/gnark-crypto v0.12.1 h1:lHH39WuuFgVHONRl3J0LRBtuYdQTumFSDtJF7HpyG8M=
+github.com/consensys/gnark-crypto v0.12.1/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY=
 github.com/containerd/cgroups v0.0.0-20201119153540-4cbc285b3327/go.mod h1:ZJeTFisyysqgcCdecO57Dj79RfL0LNeGiFUqLYQRYLE=
 github.com/containerd/cgroups v1.1.0 h1:v8rEWFl6EoqHB+swVNjVoCJE8o3jX7e8nqBGPLaDFBM=
 github.com/containerd/cgroups v1.1.0/go.mod h1:6ppBcbh/NOOUU+dMKrykgaBnK9lCIBxHqJDGwsa1mIw=
@@ -108,6 +114,7 @@ github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OI
 github.com/google/pprof v0.0.0-20240207164012-fb44976bdcd5 h1:E/LAvt58di64hlYjx7AsNS6C/ysHWYo+2qPCZKTQhRo=
 github.com/google/pprof v0.0.0-20240207164012-fb44976bdcd5/go.mod h1:czg5+yv1E0ZGTi6S6vVK1mke0fV+FaUhNGcd6VRS9Ik=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
@@ -152,8 +159,6 @@ github.com/jbenet/goprocess v0.1.4/go.mod h1:5yspPrukOVuOLORacaBi858NqyClJPQxYZl
 github.com/jellevandenhooff/dkim v0.0.0-20150330215556-f50fe3d243e1/go.mod h1:E0B/fFc00Y+Rasa88328GlI/XbtyysCtTHZS8h7IrBU=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
-github.com/kilic/bls12-381 v0.1.0 h1:encrdjqKMEvabVQ7qYOKu1OvhqpK4s47wDYtNiPtlp4=
-github.com/kilic/bls12-381 v0.1.0/go.mod h1:vDTTHJONJ6G+P2R74EhnyotQDTliQDnFEwhdmfzw1ig=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
@@ -173,6 +178,8 @@ github.com/kr/pty v1.1.3/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
+github.com/leanovate/gopter v0.2.9/go.mod h1:U2L/78B+KVFIx2VmW6onHJQzXtFb+p5y3y2Sh+Jxxv8=
 github.com/libp2p/go-buffer-pool v0.1.0 h1:oK4mSFcQz7cTQIfqbe4MIj9gLW+mnanjyFtc6cdF0Y8=
 github.com/libp2p/go-buffer-pool v0.1.0/go.mod h1:N+vh8gMqimBzdKkSMVuydVDq+UV5QTWy5HSiZacSbPg=
 github.com/libp2p/go-flow-metrics v0.1.0 h1:0iPhMI8PskQwzh57jB9WxIuIOQ0r+15PChFGkx3Q3WM=
@@ -224,6 +231,9 @@ github.com/minio/sha256-simd v0.0.0-20190131020904-2d45a736cd16/go.mod h1:2FMWW+
 github.com/minio/sha256-simd v0.1.1-0.20190913151208-6de447530771/go.mod h1:B5e1o+1/KgNmWrSQK08Y6Z1Vb5pwIktudl0J58iy0KM=
 github.com/minio/sha256-simd v1.0.1 h1:6kaan5IFmwTNynnKKpDHe6FWHohJOHhCPchzK49dzMM=
 github.com/minio/sha256-simd v1.0.1/go.mod h1:Pz6AKMiUdngCLpeTL/RJY1M9rUuPMYujV5xJjtbRSN8=
+github.com/mmcloughlin/addchain v0.4.0 h1:SobOdjm2xLj1KkXN5/n0xTIWyZA2+s99UCY1iPfkHRY=
+github.com/mmcloughlin/addchain v0.4.0/go.mod h1:A86O+tHqZLMNO4w6ZZ4FlVQEadcoqkyU72HC5wJ4RlU=
+github.com/mmcloughlin/profile v0.1.1/go.mod h1:IhHD7q1ooxgwTgjxQYkACGA77oFTDdFVejUS1/tS/qU=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/mr-tron/base58 v1.1.0/go.mod h1:xcD2VGqlgYjBdcBLw+TuYLr8afG+Hj8g2eTVqeSzSU8=
@@ -434,6 +444,8 @@ go.dedis.ch/fixbuf v1.0.3 h1:hGcV9Cd/znUxlusJ64eAlExS+5cJDIyTyEG+otu5wQs=
 go.dedis.ch/fixbuf v1.0.3/go.mod h1:yzJMt34Wa5xD37V5RTdmp38cz3QhMagdGoem9anUalw=
 go.dedis.ch/kyber/v4 v4.0.0-pre2.0.20240916105431-b283c0cdd30a h1:FF9ZER1DSNuJWcpC/P9AJ9LpswxPxyyQ65YTOqdzDd0=
 go.dedis.ch/kyber/v4 v4.0.0-pre2.0.20240916105431-b283c0cdd30a/go.mod h1:tg6jwKTYEjm94VxkFwiQy+ec9hoQvccIU989wNjXWVI=
+go.dedis.ch/protobuf v1.0.11 h1:FTYVIEzY/bfl37lu3pR4lIj+F9Vp1jE8oh91VmxKgLo=
+go.dedis.ch/protobuf v1.0.11/go.mod h1:97QR256dnkimeNdfmURz0wAMNVbd1VmLXhG1CrTYrJ4=
 go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
 go.opentelemetry.io/otel v1.28.0 h1:/SqNcYk+idO0CxKEUOtKQClMK/MimZihKYMruSMViUo=
 go.opentelemetry.io/otel v1.28.0/go.mod h1:q68ijF8Fc8CnMHKyzqL6akLO46ePnjkgfIMIjUIX9z4=
@@ -555,7 +567,6 @@ golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200124204421-9fbb57f87de9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201101102859-da207088b7d1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210303074136-134d130e1a04/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -661,6 +672,8 @@ gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWD
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
@@ -672,5 +685,7 @@ honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 lukechampine.com/blake3 v1.2.1 h1:YuqqRuaqsGV71BV/nm9xlI0MKUv4QC54jQnBChWbGnI=
 lukechampine.com/blake3 v1.2.1/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1LM6k=
+rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU=
+rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA=
 sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=