fromBytes static method

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

Implementation

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

    if (length < 5 || (offset + length) > bytes.length) {
        throw FormatException('Invalid CERT record: too short or out of bounds.');
    }

    final int certType = (bytes[offset] << 8) | bytes[offset + 1];
    final int keyTag = (bytes[offset + 2] << 8) | bytes[offset + 3];
    final int algorithm = bytes[offset + 4];
    final Uint8List certData = bytes.sublist(offset + 5, offset + length);

    return CERTResponseRecord(
        name: name,
        ttl: ttl,
        certificateType: certType,
        keyTag: keyTag,
        algorithm: algorithm,
        certificate: certData);
}