forked from TrueCloudLab/neoneo-go
122 lines
3.7 KiB
Go
122 lines
3.7 KiB
Go
package native
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import (
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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/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 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 interface{}, args ...interface{}) {
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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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