neoneo-go/pkg/crypto/keys/private_key_test.go

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package keys
import (
"encoding/hex"
"math/big"
"strings"
"testing"
"github.com/nspcc-dev/neo-go/internal/keytestcases"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestPrivateKey(t *testing.T) {
for _, testCase := range keytestcases.Arr {
privKey, err := NewPrivateKeyFromHex(testCase.PrivateKey)
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if testCase.Invalid {
assert.Error(t, err)
continue
}
assert.Nil(t, err)
address := privKey.Address()
assert.Equal(t, testCase.Address, address)
wif := privKey.WIF()
assert.Equal(t, testCase.Wif, wif)
pubKey := privKey.PublicKey()
assert.Equal(t, hex.EncodeToString(pubKey.Bytes()), testCase.PublicKey)
oldD := new(big.Int).Set(privKey.D)
privKey.Destroy()
assert.NotEqual(t, oldD, privKey.D)
}
}
func TestNewPrivateKeyOnCurve(t *testing.T) {
msg := []byte{1, 2, 3}
h := hash.Sha256(msg).BytesBE()
t.Run("Secp256r1", func(t *testing.T) {
p, err := NewPrivateKey()
require.NoError(t, err)
p.PublicKey().Verify(p.Sign(msg), h)
})
t.Run("Secp256k1", func(t *testing.T) {
p, err := NewSecp256k1PrivateKey()
require.NoError(t, err)
p.PublicKey().Verify(p.Sign(msg), h)
})
}
func TestPrivateKeyFromWIF(t *testing.T) {
for _, testCase := range keytestcases.Arr {
key, err := NewPrivateKeyFromWIF(testCase.Wif)
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if testCase.Invalid {
assert.Error(t, err)
continue
}
assert.Nil(t, err)
assert.Equal(t, testCase.PrivateKey, key.String())
}
}
func TestSigning(t *testing.T) {
// These were taken from the rfcPage:https://tools.ietf.org/html/rfc6979#page-33
// public key: U = xG
//Ux = 60FED4BA255A9D31C961EB74C6356D68C049B8923B61FA6CE669622E60F29FB6
//Uy = 7903FE1008B8BC99A41AE9E95628BC64F2F1B20C2D7E9F5177A3C294D4462299
PrivateKey, _ := NewPrivateKeyFromHex("C9AFA9D845BA75166B5C215767B1D6934E50C3DB36E89B127B8A622B120F6721")
data := PrivateKey.Sign([]byte("sample"))
r := "EFD48B2AACB6A8FD1140DD9CD45E81D69D2C877B56AAF991C34D0EA84EAF3716"
s := "F7CB1C942D657C41D436C7A1B6E29F65F3E900DBB9AFF4064DC4AB2F843ACDA8"
assert.Equal(t, strings.ToLower(r+s), hex.EncodeToString(data))
}