tests/fuzzers: crypto/bn256 and crypto/bls12381 tests against gnark-crypto (#22755)

Add more cross-fuzzers to fuzz bls with gnark versus geth's own bls12-381 library

go.mod

@@ -3,7 +3,10 @@ module github.com/ethereum/go-ethereum
 go 1.15
 
 require (
+	github.com/Azure/azure-pipeline-go v0.2.2 // indirect
 	github.com/Azure/azure-storage-blob-go v0.7.0
+	github.com/Azure/go-autorest/autorest/adal v0.8.0 // indirect
+	github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
 	github.com/VictoriaMetrics/fastcache v1.5.7
 	github.com/aws/aws-sdk-go-v2 v1.2.0
 	github.com/aws/aws-sdk-go-v2/config v1.1.1
@@ -12,15 +15,18 @@ require (
 	github.com/btcsuite/btcd v0.20.1-beta
 	github.com/cespare/cp v0.1.0
 	github.com/cloudflare/cloudflare-go v0.14.0
-	github.com/consensys/gurvy v0.3.8
+	github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f
 	github.com/davecgh/go-spew v1.1.1
 	github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea
+	github.com/dlclark/regexp2 v1.2.0 // indirect
 	github.com/docker/docker v1.4.2-0.20180625184442-8e610b2b55bf
 	github.com/dop251/goja v0.0.0-20200721192441-a695b0cdd498
 	github.com/edsrzf/mmap-go v1.0.0
 	github.com/fatih/color v1.7.0
 	github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5
 	github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff
+	github.com/go-ole/go-ole v1.2.1 // indirect
+	github.com/go-sourcemap/sourcemap v2.1.2+incompatible // indirect
 	github.com/go-stack/stack v1.8.0
 	github.com/golang/protobuf v1.4.3
 	github.com/golang/snappy v0.0.3-0.20201103224600-674baa8c7fc3
@@ -37,8 +43,10 @@ require (
 	github.com/jedisct1/go-minisign v0.0.0-20190909160543-45766022959e
 	github.com/julienschmidt/httprouter v1.2.0
 	github.com/karalabe/usb v0.0.0-20190919080040-51dc0efba356
+	github.com/kylelemons/godebug v1.1.0 // indirect
 	github.com/mattn/go-colorable v0.1.0
 	github.com/mattn/go-isatty v0.0.5-0.20180830101745-3fb116b82035
+	github.com/naoina/go-stringutil v0.1.0 // indirect
 	github.com/naoina/toml v0.1.2-0.20170918210437-9fafd6967416
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7
@@ -51,11 +59,12 @@ require (
 	github.com/syndtr/goleveldb v1.0.1-0.20210305035536-64b5b1c73954
 	github.com/tklauser/go-sysconf v0.3.5 // indirect
 	github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef
-	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
+	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
-	golang.org/x/sys v0.0.0-20210316164454-77fc1eacc6aa
+	golang.org/x/sys v0.0.0-20210420205809-ac73e9fd8988
 	golang.org/x/text v0.3.4
 	golang.org/x/time v0.0.0-20201208040808-7e3f01d25324
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce
 	gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6
 	gopkg.in/urfave/cli.v1 v1.20.0
+	gotest.tools v2.2.0+incompatible // indirect
 )

go.sum

@@ -12,7 +12,6 @@ cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbf
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigtable v1.2.0/go.mod h1:JcVAOl45lrTmQfLj7T6TxyMzIN/3FGGcFm+2xVAli2o=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
@@ -56,11 +55,6 @@ github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156 h1:eMwmnE/GDgah
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
 github.com/apache/arrow/go/arrow v0.0.0-20191024131854-af6fa24be0db/go.mod h1:VTxUBvSJ3s3eHAg65PNgrsn5BtqCRPdmyXh6rAfdxN0=
-github.com/aristanetworks/goarista v0.0.0-20170210015632-ea17b1a17847/go.mod h1:D/tb0zPVXnP7fmsLZjtdUhSsumbK/ij54UXjjVgMGxQ=
-github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
-github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/aws/aws-sdk-go v1.25.48/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go-v2 v1.2.0 h1:BS+UYpbsElC82gB+2E2jiCBg36i8HlubTB/dO/moQ9c=
 github.com/aws/aws-sdk-go-v2 v1.2.0/go.mod h1:zEQs02YRBw1DjK0PoJv3ygDYOFTre1ejlJWl8FwAuQo=
 github.com/aws/aws-sdk-go-v2/config v1.1.1 h1:ZAoq32boMzcaTW9bcUacBswAmHTbvlvDJICgHFZuECo=
@@ -81,11 +75,8 @@ github.com/aws/smithy-go v1.1.0 h1:D6CSsM3gdxaGaqXnPgOBCeL6Mophqzu7KJOu7zW78sU=
 github.com/aws/smithy-go v1.1.0/go.mod h1:EzMw8dbp/YJL4A5/sbhGddag+NPT7q084agLbB9LgIw=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
 github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
 github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
-github.com/btcsuite/btcd v0.0.0-20171128150713-2e60448ffcc6/go.mod h1:Dmm/EzmjnCiweXmzRIAiUWCInVmPgjkzgv5k4tVyXiQ=
 github.com/btcsuite/btcd v0.20.1-beta h1:Ik4hyJqN8Jfyv3S4AGBOmyouMsYE3EdYODkMbQjwPGw=
 github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
@@ -107,20 +98,12 @@ github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWR
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cloudflare/cloudflare-go v0.10.2-0.20190916151808-a80f83b9add9/go.mod h1:1MxXX1Ux4x6mqPmjkUgTP1CdXIBXKX7T+Jk9Gxrmx+U=
 github.com/cloudflare/cloudflare-go v0.14.0 h1:gFqGlGl/5f9UGXAaKapCGUfaTCgRKKnzu2VvzMZlOFA=
 github.com/cloudflare/cloudflare-go v0.14.0/go.mod h1:EnwdgGMaFOruiPZRFSgn+TsQ3hQ7C/YWzIGLeu5c304=
-github.com/consensys/bavard v0.1.8-0.20210105233146-c16790d2aa8b/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
+github.com/consensys/bavard v0.1.8-0.20210406032232-f3452dc9b572/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
-github.com/consensys/goff v0.3.10/go.mod h1:xTldOBEHmFiYS0gPXd3NsaEqZWlnmeWcRLWgD3ba3xc=
+github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f h1:C43yEtQ6NIf4ftFXD/V55gnGFgPbMQobd//YlnLjUJ8=
-github.com/consensys/gurvy v0.3.8 h1:H2hvjvT2OFMgdMn5ZbhXqHt+F8DJ2clZW7Vmc0kFFxc=
+github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f/go.mod h1:815PAHg3wvysy0SyIqanF8gZ0Y1wjk/hrDHD/iT88+Q=
-github.com/consensys/gurvy v0.3.8/go.mod h1:sN75xnsiD593XnhbhvG2PkOy194pZBzqShWF/kwuW/g=
-github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
-github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
-github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/dave/jennifer v1.2.0/go.mod h1:fIb+770HOpJ2fmN9EPPKOqm1vMGhB+TwXKMZhrIygKg=
 github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -138,18 +121,13 @@ github.com/docker/docker v1.4.2-0.20180625184442-8e610b2b55bf h1:sh8rkQZavChcmak
 github.com/docker/docker v1.4.2-0.20180625184442-8e610b2b55bf/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/dop251/goja v0.0.0-20200721192441-a695b0cdd498 h1:Y9vTBSsV4hSwPSj4bacAU/eSnV3dAxVpepaghAdhGoQ=
 github.com/dop251/goja v0.0.0-20200721192441-a695b0cdd498/go.mod h1:Mw6PkjjMXWbTj+nnj4s3QPXq1jaT0s5pC0iFD4+BOAA=
-github.com/dvyukov/go-fuzz v0.0.0-20200318091601-be3528f3a813/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
 github.com/eclipse/paho.mqtt.golang v1.2.0/go.mod h1:H9keYFcgq3Qr5OUJm/JZI/i6U7joQ8SYLhZwfeOo6Ts=
-github.com/edsrzf/mmap-go v0.0.0-20160512033002-935e0e8a636c/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
 github.com/edsrzf/mmap-go v1.0.0 h1:CEBF7HpRnUCSJgGUb5h1Gm7e3VkmVDrR8lvWVLtrOFw=
 github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/ethereum/go-ethereum v1.9.25/go.mod h1:vMkFiYLHI4tgPw4k2j4MHKoovchFE8plZ0M9VMk4/oM=
-github.com/fatih/color v1.3.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fjl/memsize v0.0.0-20180418122429-ca190fb6ffbc/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
 github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 h1:FtmdgXiUlNeRsoNMFlKLDt+S+6hbjVMEW6RGQ7aUf7c=
 github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
 github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
@@ -158,7 +136,6 @@ github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWo
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff h1:tY80oXqGNY4FhTFhk+o9oFHGINQ/+vhlm8HFzi6znCI=
 github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff/go.mod h1:x7DCsMOv1taUwEWCzT4cmDeAkigA5/QCwUodaVOe8Ww=
-github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/glycerine/go-unsnap-stream v0.0.0-20180323001048-9f0cb55181dd/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
 github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
@@ -177,12 +154,10 @@ github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/gofrs/uuid v3.3.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
-github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/golang/geo v0.0.0-20190916061304-5b978397cfec/go.mod h1:QZ0nwyI2jOfgRAoBvP+ab5aRr7c9x7lhGEJrKvBwjWI=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@@ -225,51 +200,25 @@ github.com/google/uuid v1.1.5/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
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@@ -283,25 +232,20 @@ github.com/jackpal/go-nat-pmp v1.0.2-0.20160603034137-1fa385a6f458/go.mod h1:QPH
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@@ -319,37 +263,24 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
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@@ -361,8 +292,6 @@ github.com/naoina/toml v0.1.2-0.20170918210437-9fafd6967416/go.mod h1:NBIhNtsFMo
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@@ -378,10 +307,7 @@ github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFSt
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@@ -394,62 +320,40 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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@@ -458,8 +362,6 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
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@@ -467,41 +369,34 @@ github.com/tklauser/go-sysconf v0.3.5 h1:uu3Xl4nkLzQfXNsWn15rPc/HQCJKObbt1dKJeWp
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@@ -519,19 +414,16 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
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 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -545,9 +437,10 @@ golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
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@@ -559,13 +452,12 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -585,14 +477,13 @@ golang.org/x/sys v0.0.0-20200107162124-548cf772de50/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -604,7 +495,6 @@ golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxb
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@@ -624,7 +514,6 @@ golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgw
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@@ -632,7 +521,7 @@ golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -688,17 +577,14 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33
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@@ -715,5 +601,6 @@ honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

oss-fuzz.sh

@@ -114,5 +114,10 @@ compile_fuzzer tests/fuzzers/bls12381  FuzzPairing fuzz_pairing
 compile_fuzzer tests/fuzzers/bls12381  FuzzMapG1 fuzz_map_g1
 compile_fuzzer tests/fuzzers/bls12381  FuzzMapG2 fuzz_map_g2
 
+compile_fuzzer tests/fuzzers/bls12381  FuzzCrossG1Add fuzz_cross_g1_add
+compile_fuzzer tests/fuzzers/bls12381  FuzzCrossG1MultiExp fuzz_cross_g1_multiexp
+compile_fuzzer tests/fuzzers/bls12381  FuzzCrossG2Add fuzz_cross_g2_add
+compile_fuzzer tests/fuzzers/bls12381  FuzzCrossPairing fuzz_cross_pairing
+
 #TODO: move this to tests/fuzzers, if possible
 compile_fuzzer crypto/blake2b  Fuzz      fuzzBlake2b

tests/fuzzers/bls12381/bls12381_fuzz.go

@@ -0,0 +1,244 @@
+// Copyright 2021 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// +build gofuzz
+
+package bls
+
+import (
+	"bytes"
+	"crypto/rand"
+	"fmt"
+	"io"
+	"math/big"
+
+	gnark "github.com/consensys/gnark-crypto/ecc/bls12-381"
+	"github.com/consensys/gnark-crypto/ecc/bls12-381/fp"
+	"github.com/consensys/gnark-crypto/ecc/bls12-381/fr"
+	"github.com/ethereum/go-ethereum/crypto/bls12381"
+)
+
+func FuzzCrossPairing(data []byte) int {
+	input := bytes.NewReader(data)
+
+	// get random G1 points
+	kpG1, cpG1, err := getG1Points(input)
+	if err != nil {
+		return 0
+	}
+
+	// get random G2 points
+	kpG2, cpG2, err := getG2Points(input)
+	if err != nil {
+		return 0
+	}
+
+	// compute pairing using geth
+	engine := bls12381.NewPairingEngine()
+	engine.AddPair(kpG1, kpG2)
+	kResult := engine.Result()
+
+	// compute pairing using gnark
+	cResult, err := gnark.Pair([]gnark.G1Affine{*cpG1}, []gnark.G2Affine{*cpG2})
+	if err != nil {
+		panic(fmt.Sprintf("gnark/bls12381 encountered error: %v", err))
+	}
+
+	// compare result
+	if !(bytes.Equal(cResult.Marshal(), bls12381.NewGT().ToBytes(kResult))) {
+		panic("pairing mismatch gnark / geth ")
+	}
+
+	return 1
+}
+
+func FuzzCrossG1Add(data []byte) int {
+	input := bytes.NewReader(data)
+
+	// get random G1 points
+	kp1, cp1, err := getG1Points(input)
+	if err != nil {
+		return 0
+	}
+
+	// get random G1 points
+	kp2, cp2, err := getG1Points(input)
+	if err != nil {
+		return 0
+	}
+
+	// compute kp = kp1 + kp2
+	g1 := bls12381.NewG1()
+	kp := bls12381.PointG1{}
+	g1.Add(&kp, kp1, kp2)
+
+	// compute cp = cp1 + cp2
+	_cp1 := new(gnark.G1Jac).FromAffine(cp1)
+	_cp2 := new(gnark.G1Jac).FromAffine(cp2)
+	cp := new(gnark.G1Affine).FromJacobian(_cp1.AddAssign(_cp2))
+
+	// compare result
+	if !(bytes.Equal(cp.Marshal(), g1.ToBytes(&kp))) {
+		panic("G1 point addition mismatch gnark / geth ")
+	}
+
+	return 1
+}
+
+func FuzzCrossG2Add(data []byte) int {
+	input := bytes.NewReader(data)
+
+	// get random G2 points
+	kp1, cp1, err := getG2Points(input)
+	if err != nil {
+		return 0
+	}
+
+	// get random G2 points
+	kp2, cp2, err := getG2Points(input)
+	if err != nil {
+		return 0
+	}
+
+	// compute kp = kp1 + kp2
+	g2 := bls12381.NewG2()
+	kp := bls12381.PointG2{}
+	g2.Add(&kp, kp1, kp2)
+
+	// compute cp = cp1 + cp2
+	_cp1 := new(gnark.G2Jac).FromAffine(cp1)
+	_cp2 := new(gnark.G2Jac).FromAffine(cp2)
+	cp := new(gnark.G2Affine).FromJacobian(_cp1.AddAssign(_cp2))
+
+	// compare result
+	if !(bytes.Equal(cp.Marshal(), g2.ToBytes(&kp))) {
+		panic("G2 point addition mismatch gnark / geth ")
+	}
+
+	return 1
+}
+
+func FuzzCrossG1MultiExp(data []byte) int {
+	var (
+		input        = bytes.NewReader(data)
+		gethScalars  []*big.Int
+		gnarkScalars []fr.Element
+		gethPoints   []*bls12381.PointG1
+		gnarkPoints  []gnark.G1Affine
+	)
+	// n random scalars (max 17)
+	for i := 0; i < 17; i++ {
+		// note that geth/crypto/bls12381 works only with scalars <= 32bytes
+		s, err := randomScalar(input, fr.Modulus())
+		if err != nil {
+			break
+		}
+		// get a random G1 point as basis
+		kp1, cp1, err := getG1Points(input)
+		if err != nil {
+			break
+		}
+		gethScalars = append(gethScalars, s)
+		var gnarkScalar = &fr.Element{}
+		gnarkScalar = gnarkScalar.SetBigInt(s).FromMont()
+		gnarkScalars = append(gnarkScalars, *gnarkScalar)
+
+		gethPoints = append(gethPoints, new(bls12381.PointG1).Set(kp1))
+		gnarkPoints = append(gnarkPoints, *cp1)
+	}
+	if len(gethScalars) == 0{
+		return 0
+	}
+	// compute multi exponentiation
+	g1 := bls12381.NewG1()
+	kp := bls12381.PointG1{}
+	if _, err := g1.MultiExp(&kp, gethPoints, gethScalars); err != nil {
+		panic(fmt.Sprintf("G1 multi exponentiation errored (geth): %v", err))
+	}
+	// note that geth/crypto/bls12381.MultiExp mutates the scalars slice (and sets all the scalars to zero)
+
+	// gnark multi exp
+	cp := new(gnark.G1Affine)
+	cp.MultiExp(gnarkPoints, gnarkScalars)
+
+	// compare result
+	if !(bytes.Equal(cp.Marshal(), g1.ToBytes(&kp))) {
+		panic("G1 multi exponentiation mismatch gnark / geth ")
+	}
+
+	return 1
+}
+
+func getG1Points(input io.Reader) (*bls12381.PointG1, *gnark.G1Affine, error) {
+	// sample a random scalar
+	s, err := randomScalar(input, fp.Modulus())
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// compute a random point
+	cp := new(gnark.G1Affine)
+	_, _, g1Gen, _ := gnark.Generators()
+	cp.ScalarMultiplication(&g1Gen, s)
+	cpBytes := cp.Marshal()
+
+	// marshal gnark point -> geth point
+	g1 := bls12381.NewG1()
+	kp, err := g1.FromBytes(cpBytes)
+	if err != nil {
+		panic(fmt.Sprintf("Could not marshal gnark.G1 -> geth.G1: %v", err))
+	}
+	if !bytes.Equal(g1.ToBytes(kp), cpBytes) {
+		panic("bytes(gnark.G1) != bytes(geth.G1)")
+	}
+
+	return kp, cp, nil
+}
+
+func getG2Points(input io.Reader) (*bls12381.PointG2, *gnark.G2Affine, error) {
+	// sample a random scalar
+	s, err := randomScalar(input, fp.Modulus())
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// compute a random point
+	cp := new(gnark.G2Affine)
+	_, _, _, g2Gen := gnark.Generators()
+	cp.ScalarMultiplication(&g2Gen, s)
+	cpBytes := cp.Marshal()
+
+	// marshal gnark point -> geth point
+	g2 := bls12381.NewG2()
+	kp, err := g2.FromBytes(cpBytes)
+	if err != nil {
+		panic(fmt.Sprintf("Could not marshal gnark.G2 -> geth.G2: %v", err))
+	}
+	if !bytes.Equal(g2.ToBytes(kp), cpBytes) {
+		panic("bytes(gnark.G2) != bytes(geth.G2)")
+	}
+
+	return kp, cp, nil
+}
+
+func randomScalar(r io.Reader, max *big.Int) (k *big.Int, err error) {
+	for {
+		k, err = rand.Int(r, max)
+		if err != nil || k.Sign() > 0 {
+			return
+		}
+	}
+}

tests/fuzzers/bn256/bn256_fuzz.go

@@ -12,12 +12,12 @@ import (
 	"io"
 	"math/big"
 
-	gurvy "github.com/consensys/gurvy/bn256"
+	"github.com/consensys/gnark-crypto/ecc/bn254"
 	cloudflare "github.com/ethereum/go-ethereum/crypto/bn256/cloudflare"
 	google "github.com/ethereum/go-ethereum/crypto/bn256/google"
 )
 
-func getG1Points(input io.Reader) (*cloudflare.G1, *google.G1, *gurvy.G1Affine) {
+func getG1Points(input io.Reader) (*cloudflare.G1, *google.G1, *bn254.G1Affine) {
 	_, xc, err := cloudflare.RandomG1(input)
 	if err != nil {
 		// insufficient input
@@ -25,16 +25,16 @@ func getG1Points(input io.Reader) (*cloudflare.G1, *google.G1, *gurvy.G1Affine)
 	}
 	xg := new(google.G1)
 	if _, err := xg.Unmarshal(xc.Marshal()); err != nil {
-		panic(fmt.Sprintf("Could not marshal cloudflare -> google:", err))
+		panic(fmt.Sprintf("Could not marshal cloudflare -> google: %v", err))
 	}
-	xs := new(gurvy.G1Affine)
+	xs := new(bn254.G1Affine)
 	if err := xs.Unmarshal(xc.Marshal()); err != nil {
-		panic(fmt.Sprintf("Could not marshal cloudflare -> consensys:", err))
+		panic(fmt.Sprintf("Could not marshal cloudflare -> gnark: %v", err))
 	}
 	return xc, xg, xs
 }
 
-func getG2Points(input io.Reader) (*cloudflare.G2, *google.G2, *gurvy.G2Affine) {
+func getG2Points(input io.Reader) (*cloudflare.G2, *google.G2, *bn254.G2Affine) {
 	_, xc, err := cloudflare.RandomG2(input)
 	if err != nil {
 		// insufficient input
@@ -42,11 +42,11 @@ func getG2Points(input io.Reader) (*cloudflare.G2, *google.G2, *gurvy.G2Affine)
 	}
 	xg := new(google.G2)
 	if _, err := xg.Unmarshal(xc.Marshal()); err != nil {
-		panic(fmt.Sprintf("Could not marshal cloudflare -> google:", err))
+		panic(fmt.Sprintf("Could not marshal cloudflare -> google: %v", err))
 	}
-	xs := new(gurvy.G2Affine)
+	xs := new(bn254.G2Affine)
 	if err := xs.Unmarshal(xc.Marshal()); err != nil {
-		panic(fmt.Sprintf("Could not marshal cloudflare -> consensys:", err))
+		panic(fmt.Sprintf("Could not marshal cloudflare -> gnark: %v", err))
 	}
 	return xc, xg, xs
 }
@@ -70,16 +70,16 @@ func FuzzAdd(data []byte) int {
 	rg := new(google.G1)
 	rg.Add(xg, yg)
 
-	tmpX := new(gurvy.G1Jac).FromAffine(xs)
+	tmpX := new(bn254.G1Jac).FromAffine(xs)
-	tmpY := new(gurvy.G1Jac).FromAffine(ys)
+	tmpY := new(bn254.G1Jac).FromAffine(ys)
-	rs := new(gurvy.G1Affine).FromJacobian(tmpX.AddAssign(tmpY))
+	rs := new(bn254.G1Affine).FromJacobian(tmpX.AddAssign(tmpY))
 
 	if !bytes.Equal(rc.Marshal(), rg.Marshal()) {
 		panic("add mismatch: cloudflare/google")
 	}
 
 	if !bytes.Equal(rc.Marshal(), rs.Marshal()) {
-		panic("add mismatch: cloudflare/consensys")
+		panic("add mismatch: cloudflare/gnark")
 	}
 	return 1
 }
@@ -112,16 +112,16 @@ func FuzzMul(data []byte) int {
 	rg := new(google.G1)
 	rg.ScalarMult(pg, new(big.Int).SetBytes(buf))
 
-	rs := new(gurvy.G1Jac)
+	rs := new(bn254.G1Jac)
-	psJac := new(gurvy.G1Jac).FromAffine(ps)
+	psJac := new(bn254.G1Jac).FromAffine(ps)
 	rs.ScalarMultiplication(psJac, new(big.Int).SetBytes(buf))
-	rsAffine := new(gurvy.G1Affine).FromJacobian(rs)
+	rsAffine := new(bn254.G1Affine).FromJacobian(rs)
 
 	if !bytes.Equal(rc.Marshal(), rg.Marshal()) {
 		panic("scalar mul mismatch: cloudflare/google")
 	}
 	if !bytes.Equal(rc.Marshal(), rsAffine.Marshal()) {
-		panic("scalar mul mismatch: cloudflare/consensys")
+		panic("scalar mul mismatch: cloudflare/gnark")
 	}
 	return 1
 }
@@ -136,18 +136,20 @@ func FuzzPair(data []byte) int {
 	if tc == nil {
 		return 0
 	}
+
 	// Pair the two points and ensure they result in the same output
-	clPair := cloudflare.PairingCheck([]*cloudflare.G1{pc}, []*cloudflare.G2{tc})
+	clPair := cloudflare.Pair(pc, tc).Marshal()
-	if clPair != google.PairingCheck([]*google.G1{pg}, []*google.G2{tg}) {
+	gPair := google.Pair(pg, tg).Marshal()
+	if !bytes.Equal(clPair, gPair) {
 		panic("pairing mismatch: cloudflare/google")
 	}
 
-	coPair, err := gurvy.PairingCheck([]gurvy.G1Affine{*ps}, []gurvy.G2Affine{*ts})
+	cPair, err := bn254.Pair([]bn254.G1Affine{*ps}, []bn254.G2Affine{*ts})
 	if err != nil {
-		panic(fmt.Sprintf("gurvy encountered error: %v", err))
+		panic(fmt.Sprintf("gnark/bn254 encountered error: %v", err))
 	}
-	if clPair != coPair {
+	if !bytes.Equal(clPair, cPair.Marshal()) {
-		panic("pairing mismatch: cloudflare/consensys")
+		panic("pairing mismatch: cloudflare/gnark")
 	}
 
 	return 1