encrypt method

Future<String> encrypt(BuildContext context)

Implementation

Future<String> encrypt(BuildContext context) async {
  var header = <String, dynamic>{"alg": "HS512", "typ": "JWT"};

  var payload = toMap();

  //var cAlg = Hmac.sha256();

  var base64Payload = base64Url.encode(utf8.encode(json.encode(payload)));

  var base64Header = base64Url.encode(utf8.encode(json.encode(header)));

  var payloadFirstMacBytes = await context.crypto
      .calculateSha256Mac(base64Url.decode(base64Payload));

  // var payloadFirstMac = await cAlg.calculateMac(
  //     base64Url.decode(base64Payload),
  //     secretKey: styleDb.serverConfiguration.tokenKey1);

  var payloadFirstMacBase64 = base64Url.encode(payloadFirstMacBytes);

  var secondPlain = "$base64Header.$payloadFirstMacBase64";

  var secondMacBytes =
      await context.crypto.calculateSha256Mac(utf8.encode(secondPlain));

  // var secondMac = await cAlg.calculateMac(utf8.encode(secondPlain),
  //     secretKey: styleDb.serverConfiguration.tokenKey2);

  var lastMacBase64 = base64Url.encode(secondMacBytes);

  var pHMerged = "$base64Header.$base64Payload";

  var phMergedBase64 = base64Url.encode(utf8.encode(pHMerged));

  return "$phMergedBase64.$lastMacBase64";
}