mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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0be3044b7e
* rename * rename "make grpc" * rename "abi bindings templates" * rename "abi bindings templates"
125 lines
4.2 KiB
Go
125 lines
4.2 KiB
Go
// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package v5wire
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import (
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"bytes"
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/sha256"
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"reflect"
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"strings"
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"testing"
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"github.com/ledgerwatch/erigon/common/hexutil"
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"github.com/ledgerwatch/erigon/crypto"
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"github.com/ledgerwatch/erigon/p2p/enode"
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)
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func TestVector_ECDH(t *testing.T) {
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var (
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staticKey = hexPrivkey("0xfb757dc581730490a1d7a00deea65e9b1936924caaea8f44d476014856b68736")
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publicKey = hexPubkey(crypto.S256(), "0x039961e4c2356d61bedb83052c115d311acb3a96f5777296dcf297351130266231")
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want = hexutil.MustDecode("0x033b11a2a1f214567e1537ce5e509ffd9b21373247f2a3ff6841f4976f53165e7e")
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)
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result := ecdh(staticKey, publicKey)
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check(t, "shared-secret", result, want)
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}
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func TestVector_KDF(t *testing.T) {
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var (
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ephKey = hexPrivkey("0xfb757dc581730490a1d7a00deea65e9b1936924caaea8f44d476014856b68736")
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cdata = hexutil.MustDecode("0x000000000000000000000000000000006469736376350001010102030405060708090a0b0c00180102030405060708090a0b0c0d0e0f100000000000000000")
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net = newHandshakeTest()
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)
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defer net.close()
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destKey := &testKeyB.PublicKey
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s := deriveKeys(sha256.New, ephKey, destKey, net.nodeA.id(), net.nodeB.id(), cdata)
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t.Logf("ephemeral-key = %#x", ephKey.D)
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t.Logf("dest-pubkey = %#x", EncodePubkey(destKey))
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t.Logf("node-id-a = %#x", net.nodeA.id().Bytes())
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t.Logf("node-id-b = %#x", net.nodeB.id().Bytes())
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t.Logf("challenge-data = %#x", cdata)
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check(t, "initiator-key", s.writeKey, hexutil.MustDecode("0xdccc82d81bd610f4f76d3ebe97a40571"))
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check(t, "recipient-key", s.readKey, hexutil.MustDecode("0xac74bb8773749920b0d3a8881c173ec5"))
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}
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func TestVector_IDSignature(t *testing.T) {
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var (
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key = hexPrivkey("0xfb757dc581730490a1d7a00deea65e9b1936924caaea8f44d476014856b68736")
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destID = enode.HexID("0xbbbb9d047f0488c0b5a93c1c3f2d8bafc7c8ff337024a55434a0d0555de64db9")
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ephkey = hexutil.MustDecode("0x039961e4c2356d61bedb83052c115d311acb3a96f5777296dcf297351130266231")
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cdata = hexutil.MustDecode("0x000000000000000000000000000000006469736376350001010102030405060708090a0b0c00180102030405060708090a0b0c0d0e0f100000000000000000")
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)
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sig, err := makeIDSignature(sha256.New(), key, cdata, ephkey, destID)
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("static-key = %#x", key.D)
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t.Logf("challenge-data = %#x", cdata)
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t.Logf("ephemeral-pubkey = %#x", ephkey)
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t.Logf("node-id-B = %#x", destID.Bytes())
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expected := "0x94852a1e2318c4e5e9d422c98eaf19d1d90d876b29cd06ca7cb7546d0fff7b484fe86c09a064fe72bdbef73ba8e9c34df0cd2b53e9d65528c2c7f336d5dfc6e6"
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check(t, "id-signature", sig, hexutil.MustDecode(expected))
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}
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func TestDeriveKeys(t *testing.T) {
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t.Parallel()
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var (
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n1 = enode.ID{1}
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n2 = enode.ID{2}
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cdata = []byte{1, 2, 3, 4}
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)
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sec1 := deriveKeys(sha256.New, testKeyA, &testKeyB.PublicKey, n1, n2, cdata)
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sec2 := deriveKeys(sha256.New, testKeyB, &testKeyA.PublicKey, n1, n2, cdata)
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if sec1 == nil || sec2 == nil {
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t.Fatal("key agreement failed")
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}
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if !reflect.DeepEqual(sec1, sec2) {
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t.Fatalf("keys not equal:\n %+v\n %+v", sec1, sec2)
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}
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}
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func check(t *testing.T, what string, x, y []byte) {
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t.Helper()
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if !bytes.Equal(x, y) {
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t.Errorf("wrong %s: %#x != %#x", what, x, y)
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} else {
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t.Logf("%s = %#x", what, x)
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}
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}
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func hexPrivkey(input string) *ecdsa.PrivateKey {
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key, err := crypto.HexToECDSA(strings.TrimPrefix(input, "0x"))
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if err != nil {
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panic(err)
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}
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return key
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}
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func hexPubkey(curve elliptic.Curve, input string) *ecdsa.PublicKey {
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key, err := DecodePubkey(curve, hexutil.MustDecode(input))
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if err != nil {
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panic(err)
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}
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return key
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}
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