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API Reference

verifyMessage

verify signature of a hex formatted string

Usage

tronWeb.trx.verifyMessage(hexMsg, signedMsg, address)

Input Parameters

ParameterDescriptionData Type
hexMsghex formatted stringString
signedMsgsignature of the stringString
addresssignature address(base58 or hex)String

Return

bool - true if verify successfully, else return error

Example

// sign a string message var str = "helloworld"; // convert to hex format and remove the beginning "0x" var hexStrWithout0x = tronWeb.toHex(str).replace(/^0x/, ''); // conert hex string to byte array var byteArray = tronWeb.utils.code.hexStr2byteArray(hexStrWithout0x) // keccak256 computing, then remove "0x" var strHash= tronWeb.sha3(byteArray).replace(/^0x/, ''); // sign var signedStr = await tronWeb.trx.sign(strHash); var tail = signedStr.substring(128, 130); if(tail == '01') { signedStr = signedStr.substring(0,128)+'1c'; } else if(tail == '00') { signedStr = signedStr.substring(0,128)+'1b'; } // verify the signature var res = await tronWeb.trx.verifyMessage(strHash,signedStr,'TPNcZ1j55FrGpsaw6K6rVjuL4HfT8ZbBf7') console.log(res); >true