benfenSignMessage

Use requirement

• Firmware version required
  • UKey Lite 24 / UKey Lite 25 / UKey Core 26: 4.12.0

Benfen: sign message

Sign a message using the private key derived by given BIP32 path. User needs to confirm the action on Ukey Wallet device.

const result = await HardwareSDK.benfenSignMessage(connectId, deviceId, {
  path: "m/44'/728'/0'/0'/0'",
  messageHex: "68656c6c6f", // "hello" in hex
});

Params

Optional common params

• path - required string | Array<number> minimum length is 3. read more
• messageHex - required string Message to sign in hex format

Returns

• success - boolean True if successful
• payload
  • signature - string Signature in hex format
  • address - string BFC format address used for signing

Example:

const params = {
  path: "m/44'/728'/0'/0'/0'",
  messageHex: "68656c6c6f", // "hello" in hex
};

const response = await HardwareSDK.benfenSignMessage(
  connectId,
  deviceId,
  params,
);

Result

{
  success: true,
  payload: {
    signature: string,
    address: string.
  }
}

Error

{
    success: false,
    payload: {
        error: string, // error message
        code: number // error code
    }
}