void SignVerifyMessageDialog::on_signMessageButton_SM_clicked()
{
/* Clear old signature to ensure users don't get confused on error with an old signature displayed */
ui->signatureOut_SM->clear();
CBitcoinAddress addr(ui->addressIn_SM->text().toStdString());
if (!addr.IsValid())
{
ui->addressIn_SM->setValid(false);
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(tr("The entered address is invalid.") + QString(" ") + tr("Please check the address and try again."));
return;
}
CKeyID keyID;
if (!addr.GetKeyID(keyID))
{
ui->addressIn_SM->setValid(false);
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(tr("The entered address does not refer to a key.") + QString(" ") + tr("Please check the address and try again."));
return;
}
WalletModel::UnlockContext ctx(model->requestUnlock());
if (!ctx.isValid())
{
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(tr("Wallet unlock was cancelled."));
return;
}
CKey key;
if (!pwalletMain->GetKey(keyID, key))
{
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(tr("Private key for the entered address is not available."));
return;
}
CDataStream ss(SER_GETHASH, 0);
ss << strMessageMagic;
ss << ui->messageIn_SM->document()->toPlainText().toStdString();
std::vector<unsigned char> vchSig;
if (!key.SignCompact(Hash(ss.begin(), ss.end()), vchSig))
{
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(QString("<nobr>") + tr("Message signing failed.") + QString("</nobr>"));
return;
}
ui->statusLabel_SM->setStyleSheet("QLabel { color: green; }");
ui->statusLabel_SM->setText(QString("<nobr>") + tr("Message signed.") + QString("</nobr>"));
ui->signatureOut_SM->setText(QString::fromStdString(EncodeBase64(&vchSig[0], vchSig.size())));
}
void SignVerifyMessageDialog::on_signMessageButton_SM_clicked()
{
if (!model)
return;
/* Clear old signature to ensure users don't get confused on error with an old signature displayed */
ui->signatureOut_SM->clear();
CTxDestination destination = DecodeDestination(ui->addressIn_SM->text().toStdString());
if (!IsValidDestination(destination)) {
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(tr("The entered address is invalid.") + QString(" ") + tr("Please check the address and try again."));
return;
}
const CKeyID* keyID = boost::get<CKeyID>(&destination);
if (!keyID) {
ui->addressIn_SM->setValid(false);
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(tr("The entered address does not refer to a key.") + QString(" ") + tr("Please check the address and try again."));
return;
}
WalletModel::UnlockContext ctx(model->requestUnlock());
if (!ctx.isValid())
{
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(tr("Wallet unlock was cancelled."));
return;
}
CKey key;
if (!model->wallet().getPrivKey(*keyID, key))
{
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(tr("Private key for the entered address is not available."));
return;
}
CHashWriter ss(SER_GETHASH, 0);
ss << strMessageMagic;
ss << ui->messageIn_SM->document()->toPlainText().toStdString();
std::vector<unsigned char> vchSig;
if (!key.SignCompact(ss.GetHash(), vchSig))
{
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(QString("<nobr>") + tr("Message signing failed.") + QString("</nobr>"));
return;
}
ui->statusLabel_SM->setStyleSheet("QLabel { color: green; }");
ui->statusLabel_SM->setText(QString("<nobr>") + tr("Message signed.") + QString("</nobr>"));
ui->signatureOut_SM->setText(QString::fromStdString(EncodeBase64(vchSig.data(), vchSig.size())));
}
Value signmessage(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 2)
throw runtime_error(
"signmessage \"Dacrsaddress\" \"message\"\n"
"\nSign a message with the private key of an address"
+ HelpRequiringPassphrase() + "\n"
"\nArguments:\n"
"1. \"Dacrsaddress\" (string, required) The Honghuo address to use for the private key.\n"
"2. \"message\" (string, required) The message to create a signature of.\n"
"\nResult:\n"
"\"signature\" (string) The signature of the message encoded in base 64\n"
"\nExamples:\n"
"\nUnlock the wallet for 30 seconds\n"
+ HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") +
"\nCreate the signature\n"
+ HelpExampleCli("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"my message\"") +
"\nVerify the signature\n"
+ HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"signature\" \"my message\"") +
"\nAs json rpc\n"
+ HelpExampleRpc("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\", \"my message\"")
);
EnsureWalletIsUnlocked();
string strAddress = params[0].get_str();
string strMessage = params[1].get_str();
CKeyID keyID(strAddress);
if (keyID.IsEmpty())
throw JSONRPCError(RPC_TYPE_ERROR, "Invalid address");
CKey key;
if (!pwalletMain->GetKey(keyID, key))
throw JSONRPCError(RPC_WALLET_ERROR, "Private key not available");
CHashWriter ss(SER_GETHASH, 0);
ss << strMessageMagic;
ss << strMessage;
vector<unsigned char> vchSig;
if (!key.SignCompact(ss.GetHash(), vchSig))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Sign failed");
return EncodeBase64(&vchSig[0], vchSig.size());
}
void MessagePage::on_signMessage_clicked()
{
QString address = ui->signFrom->text();
CBitcoinAddress addr(address.toStdString());
if (!addr.IsValid())
{
QMessageBox::critical(this, tr("Error signing"), tr("%1 is not a valid address.").arg(address),
QMessageBox::Abort, QMessageBox::Abort);
return;
}
WalletModel::UnlockContext ctx(model->requestUnlock());
if(!ctx.isValid())
{
// Unlock wallet was cancelled
return;
}
CKey key;
if (!pwalletMain->GetKey(addr, key))
{
QMessageBox::critical(this, tr("Error signing"), tr("Private key for %1 is not available.").arg(address),
QMessageBox::Abort, QMessageBox::Abort);
return;
}
CDataStream ss(SER_GETHASH, 0);
ss << strMessageMagic;
ss << ui->message->document()->toPlainText().toStdString();
std::vector<unsigned char> vchSig;
if (!key.SignCompact(Hash(ss.begin(), ss.end()), vchSig))
{
QMessageBox::critical(this, tr("Error signing"), tr("Sign failed"),
QMessageBox::Abort, QMessageBox::Abort);
}
ui->signature->setText(QString::fromStdString(EncodeBase64(&vchSig[0], vchSig.size())));
ui->signature->setFont(GUIUtil::bitcoinAddressFont());
}
UniValue signmessagewithprivkey(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 2)
throw std::runtime_error(
"signmessagewithprivkey \"privkey\" \"message\"\n"
"\nSign a message with the private key of an address\n"
"\nArguments:\n"
"1. \"privkey\" (string, required) The private key to sign the message with.\n"
"2. \"message\" (string, required) The message to create a signature of.\n"
"\nResult:\n"
"\"signature\" (string) The signature of the message encoded in base 64\n"
"\nExamples:\n"
"\nCreate the signature\n"
+ HelpExampleCli("signmessagewithprivkey", "\"privkey\" \"my message\"") +
"\nVerify the signature\n"
+ HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" \"signature\" \"my message\"") +
"\nAs json rpc\n"
+ HelpExampleRpc("signmessagewithprivkey", "\"privkey\", \"my message\"")
);
std::string strPrivkey = request.params[0].get_str();
std::string strMessage = request.params[1].get_str();
CBitcoinSecret vchSecret;
bool fGood = vchSecret.SetString(strPrivkey);
if (!fGood)
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
CKey key = vchSecret.GetKey();
if (!key.IsValid())
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
CHashWriter ss(SER_GETHASH, 0);
ss << strMessageMagic;
ss << strMessage;
std::vector<unsigned char> vchSig;
if (!key.SignCompact(ss.GetHash(), vchSig))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Sign failed");
return EncodeBase64(&vchSig[0], vchSig.size());
}
static UniValue signmessagewithprivkey(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 2)
throw std::runtime_error(
RPCHelpMan{"signmessagewithprivkey",
"\nSign a message with the private key of an address\n",
{
{"privkey", RPCArg::Type::STR, RPCArg::Optional::NO, "The private key to sign the message with."},
{"message", RPCArg::Type::STR, RPCArg::Optional::NO, "The message to create a signature of."},
},
RPCResult{
"\"signature\" (string) The signature of the message encoded in base 64\n"
},
RPCExamples{
"\nCreate the signature\n"
+ HelpExampleCli("signmessagewithprivkey", "\"privkey\" \"my message\"") +
"\nVerify the signature\n"
+ HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" \"signature\" \"my message\"") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("signmessagewithprivkey", "\"privkey\", \"my message\"")
},
}.ToString());
std::string strPrivkey = request.params[0].get_str();
std::string strMessage = request.params[1].get_str();
CKey key = DecodeSecret(strPrivkey);
if (!key.IsValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
}
CHashWriter ss(SER_GETHASH, 0);
ss << strMessageMagic;
ss << strMessage;
std::vector<unsigned char> vchSig;
if (!key.SignCompact(ss.GetHash(), vchSig))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Sign failed");
return EncodeBase64(vchSig.data(), vchSig.size());
}
bool CHashSigner::SignHash(const uint256& hash, const CKey key, std::vector<unsigned char>& vchSigRet)
{
return key.SignCompact(hash, vchSigRet);
}
