calculateSigningKey static method

List<int> calculateSigningKey(
  1. String secretKey,
  2. String datetime,
  3. String region,
  4. String service,
)

Implementation

static List<int> calculateSigningKey(
    String secretKey, String datetime, String region, String service) {
  return sign(
      sign(
          sign(
              sign(utf8.encode('$_aws4$secretKey'), datetime.substring(0, 8)),
              region),
          service),
      _aws4request);
}