Function getSigningKey

src/background/sync/s3.js:58–63

(secret, datestamp, region)

}

async function getSigningKey(secret, datestamp, region) {
  let key = await hmacSha256(`AWS4${secret}`, datestamp);
  key = await hmacSha256(key, region);
  key = await hmacSha256(key, 's3');
  return hmacSha256(key, 'aws4_request');
}

async function signS3Request({
  method,