public void DnsRecordFactory_RRSIGRecord()
{
var type = ResourceRecordType.NSEC;
var algorithmNumber = DnsSecurityAlgorithm.ECDSAP256SHA256;
var labels = 5;
var originalTtl = 300;
var signatureExpiration = 1589414400;
var signatureInception = 1587600000;
short keytag = 3942;
var signersName = DnsString.Parse("result.example.com");
var signatureString = "kfyyKQoPZJFyOFSDqav7wj5XNRPqZssV2K2k8MJun28QSsCMHyWOjw9Hk4KofnEIUWNui3mMgAEFYbwoeRKkMf5uDAh6ryJ4veQNj86mgYJrpJppUplqlqJE8o1bx0I1VfwheL+M23bL5MnqSGiI5igmMDyeVUraVOO4RQyfGN0=";
var signature = Convert.FromBase64String(signatureString);
var writer = new DnsDatagramWriter();
writer.WriteInt16NetworkOrder((short)type);
writer.WriteByte((byte)algorithmNumber);
writer.WriteByte((byte)labels);
writer.WriteInt32NetworkOrder(originalTtl);
writer.WriteInt32NetworkOrder(signatureExpiration);
writer.WriteInt32NetworkOrder(signatureInception);
writer.WriteInt16NetworkOrder(keytag);
writer.WriteHostName(signersName.Value);
writer.WriteBytes(signature, signature.Length);
var factory = GetFactory(writer.Data.ToArray());
var info = new ResourceRecordInfo("query.example.com", ResourceRecordType.RRSIG, QueryClass.IN, 0, writer.Data.Count);
var result = factory.GetRecord(info) as RRSigRecord;
Assert.Equal(type, result.CoveredType);
Assert.Equal(algorithmNumber, result.Algorithm);
Assert.Equal(labels, result.Labels);
Assert.Equal(originalTtl, result.OriginalTtl);
Assert.Equal(DateTimeOffset.FromUnixTimeSeconds(signatureExpiration), result.SignatureExpiration);
Assert.Equal(DateTimeOffset.FromUnixTimeSeconds(signatureInception), result.SignatureInception);
Assert.Equal(signersName.Value, result.SignersName);
Assert.Equal(signature, result.Signature);
Assert.Equal(signatureString, result.SignatureAsString);
}
public ArraySegment <byte> BufferedWriteInt()
{
using (var bytes = new PooledBytes(4 * Ops))
using (var writer = new DnsDatagramWriter(bytes.BufferSegment))
{
for (var i = 0; i < 1000; i++)
{
writer.WriteInt32NetworkOrder(i);
}
return(writer.Data);
}
}
