forked from TrueCloudLab/neoneo-go
204 lines
6.7 KiB
Go
204 lines
6.7 KiB
Go
package native
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import (
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"encoding/binary"
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"encoding/hex"
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"math"
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"math/big"
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"testing"
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"github.com/consensys/gnark-crypto/ecc/bls12-381/fr"
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"github.com/nspcc-dev/neo-go/pkg/core/interop"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/stretchr/testify/require"
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)
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func TestSha256(t *testing.T) {
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c := newCrypto()
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ic := &interop.Context{VM: vm.New()}
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t.Run("bad arg type", func(t *testing.T) {
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require.Panics(t, func() {
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c.sha256(ic, []stackitem.Item{stackitem.NewInterop(nil)})
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})
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})
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t.Run("good", func(t *testing.T) {
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// 0x0100 hashes to 47dc540c94ceb704a23875c11273e16bb0b8a87aed84de911f2133568115f254
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require.Equal(t, "47dc540c94ceb704a23875c11273e16bb0b8a87aed84de911f2133568115f254", hex.EncodeToString(c.sha256(ic, []stackitem.Item{stackitem.NewByteArray([]byte{1, 0})}).Value().([]byte)))
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})
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}
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func TestRIPEMD160(t *testing.T) {
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c := newCrypto()
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ic := &interop.Context{VM: vm.New()}
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t.Run("bad arg type", func(t *testing.T) {
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require.Panics(t, func() {
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c.ripemd160(ic, []stackitem.Item{stackitem.NewInterop(nil)})
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})
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})
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t.Run("good", func(t *testing.T) {
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// 0x0100 hashes to 213492c0c6fc5d61497cf17249dd31cd9964b8a3
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require.Equal(t, "213492c0c6fc5d61497cf17249dd31cd9964b8a3", hex.EncodeToString(c.ripemd160(ic, []stackitem.Item{stackitem.NewByteArray([]byte{1, 0})}).Value().([]byte)))
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})
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}
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func TestMurmur32(t *testing.T) {
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c := newCrypto()
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ic := &interop.Context{VM: vm.New()}
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t.Run("bad arg type", func(t *testing.T) {
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require.Panics(t, func() {
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c.murmur32(ic, []stackitem.Item{stackitem.NewInterop(nil), stackitem.Make(5)})
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})
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})
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t.Run("good", func(t *testing.T) {
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// Example from the C# node:
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// https://github.com/neo-project/neo/blob/2a64c1cc809d1ff4b3a573c7c22bffbbf69a738b/tests/neo.UnitTests/Cryptography/UT_Murmur32.cs#L18
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data := []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1}
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seed := 10
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expected := make([]byte, 4)
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binary.LittleEndian.PutUint32(expected, 378574820)
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require.Equal(t, expected, c.murmur32(ic, []stackitem.Item{stackitem.NewByteArray(data), stackitem.Make(seed)}).Value().([]byte))
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})
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}
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func TestCryptoLibVerifyWithECDsa(t *testing.T) {
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t.Run("R1", func(t *testing.T) {
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testECDSAVerify(t, Secp256r1)
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})
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t.Run("K1", func(t *testing.T) {
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testECDSAVerify(t, Secp256k1)
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})
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}
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func testECDSAVerify(t *testing.T, curve NamedCurve) {
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var (
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priv *keys.PrivateKey
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err error
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c = newCrypto()
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ic = &interop.Context{VM: vm.New()}
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actual stackitem.Item
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)
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switch curve {
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case Secp256k1:
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priv, err = keys.NewSecp256k1PrivateKey()
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case Secp256r1:
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priv, err = keys.NewPrivateKey()
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default:
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t.Fatal("unknown curve")
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}
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require.NoError(t, err)
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runCase := func(t *testing.T, isErr bool, result any, args ...any) {
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argsArr := make([]stackitem.Item, len(args))
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for i := range args {
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argsArr[i] = stackitem.Make(args[i])
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}
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if isErr {
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require.Panics(t, func() {
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_ = c.verifyWithECDsa(ic, argsArr)
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})
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} else {
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require.NotPanics(t, func() {
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actual = c.verifyWithECDsa(ic, argsArr)
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})
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require.Equal(t, stackitem.Make(result), actual)
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}
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}
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msg := []byte("test message")
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sign := priv.Sign(msg)
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t.Run("bad message item", func(t *testing.T) {
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runCase(t, true, false, stackitem.NewInterop("cheburek"), priv.PublicKey().Bytes(), sign, int64(curve))
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})
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t.Run("bad pubkey item", func(t *testing.T) {
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runCase(t, true, false, msg, stackitem.NewInterop("cheburek"), sign, int64(curve))
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})
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t.Run("bad pubkey bytes", func(t *testing.T) {
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runCase(t, true, false, msg, []byte{1, 2, 3}, sign, int64(curve))
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})
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t.Run("bad signature item", func(t *testing.T) {
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runCase(t, true, false, msg, priv.PublicKey().Bytes(), stackitem.NewInterop("cheburek"), int64(curve))
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})
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t.Run("bad curve item", func(t *testing.T) {
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runCase(t, true, false, msg, priv.PublicKey().Bytes(), sign, stackitem.NewInterop("cheburek"))
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})
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t.Run("bad curve value", func(t *testing.T) {
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runCase(t, true, false, msg, priv.PublicKey().Bytes(), sign, new(big.Int).Add(big.NewInt(math.MaxInt64), big.NewInt(1)))
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})
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t.Run("unknown curve", func(t *testing.T) {
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runCase(t, true, false, msg, priv.PublicKey().Bytes(), sign, int64(123))
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})
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t.Run("invalid signature", func(t *testing.T) {
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s := priv.Sign(msg)
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s[0] = ^s[0]
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runCase(t, false, false, s, priv.PublicKey().Bytes(), msg, int64(curve))
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})
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t.Run("success", func(t *testing.T) {
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runCase(t, false, true, msg, priv.PublicKey().Bytes(), sign, int64(curve))
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})
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}
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func TestCryptolib_ScalarFromBytes_Compat(t *testing.T) {
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r2Ref := &fr.Element{
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0xc999_e990_f3f2_9c6d,
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0x2b6c_edcb_8792_5c23,
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0x05d3_1496_7254_398f,
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0x0748_d9d9_9f59_ff11,
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} // R2 Scalar representation taken from the https://github.com/neo-project/Neo.Cryptography.BLS12_381/blob/844bc3a4f7d8ba2c545ace90ca124f8ada4c8d29/src/Neo.Cryptography.BLS12_381/ScalarConstants.cs#L55
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tcs := map[string]struct {
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bytes []byte
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expected *fr.Element
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shouldFail bool
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}{
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"zero": {
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bytes: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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expected: new(fr.Element).SetZero(),
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},
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"one": {
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bytes: []byte{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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expected: new(fr.Element).SetOne(),
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},
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"R2": {
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bytes: []byte{254, 255, 255, 255, 1, 0, 0, 0, 2, 72, 3, 0, 250, 183, 132, 88, 245, 79, 188, 236, 239, 79, 140, 153, 111, 5, 197, 172, 89, 177, 36, 24},
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expected: r2Ref,
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},
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"negative": {
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bytes: []byte{0, 0, 0, 0, 255, 255, 255, 255, 254, 91, 254, 255, 2, 164, 189, 83, 5, 216, 161, 9, 8, 216, 57, 51, 72, 125, 157, 41, 83, 167, 237, 115},
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},
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"modulus": {
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bytes: []byte{1, 0, 0, 0, 255, 255, 255, 255, 254, 91, 254, 255, 2, 164, 189, 83, 5, 216, 161, 9, 8, 216, 57, 51, 72, 125, 157, 41, 83, 167, 237, 115},
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shouldFail: true,
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},
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"larger than modulus": {
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bytes: []byte{2, 0, 0, 0, 255, 255, 255, 255, 254, 91, 254, 255, 2, 164, 189, 83, 5, 216, 161, 9, 8, 216, 57, 51, 72, 125, 157, 41, 83, 167, 237, 115},
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shouldFail: true,
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},
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"larger than modulus 2": {
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bytes: []byte{1, 0, 0, 0, 255, 255, 255, 255, 254, 91, 254, 255, 2, 164, 189, 83, 5, 216, 161, 9, 8, 216, 58, 51, 72, 125, 157, 41, 83, 167, 237, 115},
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shouldFail: true,
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},
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"larger than modulus 3": {
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bytes: []byte{1, 0, 0, 0, 255, 255, 255, 255, 254, 91, 254, 255, 2, 164, 189, 83, 5, 216, 161, 9, 8, 216, 57, 51, 72, 125, 157, 41, 83, 167, 237, 116},
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shouldFail: true,
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},
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}
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for name, tc := range tcs {
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t.Run(name, func(t *testing.T) {
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actual, err := scalarFromBytes(tc.bytes, false)
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if tc.shouldFail {
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require.Error(t, err)
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} else {
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require.NoError(t, err)
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if tc.expected != nil {
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require.Equal(t, tc.expected, actual)
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}
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}
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})
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}
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}
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