hmacSha256 method

String hmacSha256({
  1. required String key,
})

HMAC-SHA256

Implementation

String hmacSha256({required String key}) {
  if (this.isEmptyOrNull) {
    return "";
  }
  var hmacSha256 = crypto.Hmac(crypto.sha256, utf8.encode(key));
  var digest = hmacSha256.convert(utf8.encode(this));

  return digest.toString();
}