cardanoSignMessage

Use requirement

• Firmware version required
  • UKey Lite 24 / UKey Lite 25: 3.0.0
  • UKey Core 26: 4.1.0

Cardano: sign message

Asks device to sign a message using the private key derived by given BIP32 path.

const result = await HardwareSDK.cardanoSignMessage(
  connectId,
  deviceId,
  params,
);

Params

Optional common params

• path - required string | Array<number> minimum length is 3. read more
• message - required string message to sign in hex text
• networkId - required Integer 1 for Mainnet, 0 for Testnet
• derivationType - optional CardanoDerivationType enum. determines used derivation type. Default is set to ICARUS=1

Example

// Original message
const message = "Hello World";

// Convert to hex
const messageHex = Buffer.from(message).toString("hex");

HardwareSDK.cardanoSignMessage(connectId, deviceId, {
  path: "m/1852'/1815'/0'/0/0",
  message: messageHex,
  networkId: 1,
});

Result

{
    success: true,
    payload: {
        signature: string;
        key: string;
    }
}

Error

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