HarmonyOS HmacSHA1加签算法实现

async function calculateHmacSHA1Test() { 
  try { 
    let macAlgName = "SHA1"; //SHA256 
    let key = "12345xxxxxcdefgh"; 
    key = "dshsja1234561xxxxxmdda12d1s"; 
    let keyBytes = stringToUint8Array(key); 
    console.info("[ETS HMAC]: key bytes : " + keyBytes); 
    let message = "hmacTestMessgae"; 
    let dataBytes = stringToUint8Array(message); 
    console.info("[ETS HMAC]: message bytes : " + dataBytes); 
    let symKey = await cryptoFramework.createSymKeyGenerator("HMAC").convertKey({ data: keyBytes }); 
    let mac = cryptoFramework.createMac(macAlgName); 
    await mac.init(symKey); 
    await mac.update({ data: dataBytes }); 
    let macOutput = await mac.doFinal(); 
    let str = uint8ArrayToHexStr(macOutput.data) 
    console.info("[ETS HMAC]: result bytes : " + macOutput.data); 
    console.info("[ETS HMAC]: result string : " + str); 
  }catch (err){ 
    console.error(err) 
  } 
} 
// 字符串转成字节流 
export function stringToUint8Array(str: string) { 
  return new Uint8Array(buffer.from(str,'utf-8').buffer); 
} 
export function uint8ArrayToHexStr(data: Uint8Array): string { 
  return buffer.from(data).toString('hex'); 
}