fromBytes static method

CDSResponseRecord fromBytes({
  1. required String name,
  2. required int ttl,
  3. required Uint8List bytes,
  4. required int offset,
  5. required int length,
})

Implementation

static CDSResponseRecord fromBytes({
    required String name,
    required int ttl,
    required Uint8List bytes,
    required int offset,
    required int length }) {

    if (length < 4) {
        throw FormatException('Invalid CDS record: too short');
    }

    final int keyTag = (bytes[offset] << 8) | bytes[offset + 1];
    final int algorithm = bytes[offset + 2];
    final int digestType = bytes[offset + 3];
    final Uint8List digest = bytes.sublist(offset + 4, offset + length);

    return CDSResponseRecord(
        name: name,
        ttl: ttl,
        keyTag: keyTag,
        algorithm: algorithm,
        digestType: digestType,
        digest: digest);
}