/// <summary>
/// Creates a new instance of the TKeyRecord class
/// </summary>
/// <param name="name"> Name of the record </param>
/// <param name="algorithm"> Algorithm of the key </param>
/// <param name="inception"> Date from which the key is valid </param>
/// <param name="expiration"> Date to which the key is valid </param>
/// <param name="mode"> Mode of transaction </param>
/// <param name="error"> Error field </param>
/// <param name="key"> Binary data of the key </param>
/// <param name="otherData"> Binary other data </param>
public TKeyRecord(DomainName name, TSigAlgorithm algorithm, DateTime inception, DateTime expiration, TKeyMode mode, ReturnCode error, byte[] key, byte[] otherData)
: base(name, RecordType.TKey, RecordClass.Any, 0)
{
Algorithm = algorithm;
Inception = inception;
Expiration = expiration;
Mode = mode;
Error = error;
Key = key ?? new byte[] { };
OtherData = otherData ?? new byte[] { };
}
public TKeyRecord(string name, TSigAlgorithm algorithm, DateTime inception, DateTime expiration, TKeyMode mode, ReturnCode error, byte[] key, byte[] otherData)
: base(name, RecordType.TKey, RecordClass.Any, 0)
{
Algorithm = algorithm;
Inception = inception;
Expiration = expiration;
Mode = mode;
Error = error;
Key = key ?? new byte[] { };
OtherData = otherData ?? new byte[] { };
}
/// <summary>
/// Creates a new instance of the TSigRecord class
/// </summary>
/// <param name="name"> Name of the record </param>
/// <param name="algorithm"> Algorithm of the key </param>
/// <param name="timeSigned"> Time when the data was signed </param>
/// <param name="fudge"> Timespan errors permitted </param>
/// <param name="originalID"> Original ID of message </param>
/// <param name="error"> Error field </param>
/// <param name="otherData"> Binary other data </param>
/// <param name="keyData"> Binary data of the key </param>
public TSigRecord(DomainName name, TSigAlgorithm algorithm, DateTime timeSigned, TimeSpan fudge, ushort originalID, ReturnCode error, byte[] otherData, byte[] keyData)
: base(name, RecordType.TSig, RecordClass.Any, 0)
{
Algorithm = algorithm;
TimeSigned = timeSigned;
Fudge = fudge;
Mac = new byte[] { };
OriginalID = originalID;
Error = error;
OtherData = otherData ?? new byte[] { };
KeyData = keyData;
}
public TSigRecord(string name, TSigAlgorithm algorithm, DateTime timeSigned, TimeSpan fudge, ushort originalID, ReturnCode error, byte[] otherData, byte[] keyData)
: base(name, RecordType.TSig, RecordClass.Any, 0)
{
Algorithm = algorithm;
TimeSigned = timeSigned;
Fudge = fudge;
OriginalMac = new byte[] { };
OriginalID = originalID;
Error = error;
OtherData = otherData ?? new byte[] { };
KeyData = keyData;
}
public override void setTSIGKey(String name, TSigAlgorithm algorithm, String key)
{
if (name != null && key != null)
{
this.tsigName = DomainName.Parse(name);
this.tsigAlg = algorithm;
this.tsigKey = Convert.FromBase64String(key);
// TSigRecord
// this.tsigKey = System.Text.UTF8Encoding.ASCII.GetBytes(key);
}
}
// Public methods.
/// <summary>
/// Gets the domain name of the specified algorithm.
/// </summary>
/// <param name="algorithm">The algorithm.</param>
/// <returns>The domain name.</returns>
public static string GetDomainName(TSigAlgorithm algorithm)
{
switch (algorithm)
{
case TSigAlgorithm.Md5:
return "hmac-md5.sig-alg.reg.int";
case TSigAlgorithm.Sha1:
return "hmac-sha1";
case TSigAlgorithm.Sha256:
return "hmac-sha256";
case TSigAlgorithm.Sha384:
return "hmac-sha384";
case TSigAlgorithm.Sha512:
return "hmac-sha512";
default:
return null;
}
}
public static KeyedHashAlgorithm GetHashAlgorithm(TSigAlgorithm algorithm)
{
switch (algorithm)
{
case TSigAlgorithm.Md5:
return new HMACMD5();
case TSigAlgorithm.Sha1:
return new HMACSHA1();
case TSigAlgorithm.Sha256:
return new HMACSHA256();
case TSigAlgorithm.Sha384:
return new HMACSHA384();
case TSigAlgorithm.Sha512:
return new HMACSHA512();
default:
return null;
}
}
internal static int GetHashSize(TSigAlgorithm algorithm)
{
switch (algorithm)
{
case TSigAlgorithm.Md5:
return 16;
case TSigAlgorithm.Sha1:
return 20;
case TSigAlgorithm.Sha256:
return 32;
case TSigAlgorithm.Sha384:
return 48;
case TSigAlgorithm.Sha512:
return 64;
default:
return 0;
}
}
public static DomainName GetDomainName(TSigAlgorithm algorithm)
{
switch (algorithm)
{
case TSigAlgorithm.Md5:
return DomainName.Parse("hmac-md5.sig-alg.reg.int");
case TSigAlgorithm.Sha1:
return DomainName.Parse("hmac-sha1");
case TSigAlgorithm.Sha256:
return DomainName.Parse("hmac-sha256");
case TSigAlgorithm.Sha384:
return DomainName.Parse("hmac-sha384");
case TSigAlgorithm.Sha512:
return DomainName.Parse("hmac-sha512");
default:
return null;
}
}
public static KeyedHashAlgorithm GetHashAlgorithm(TSigAlgorithm algorithm)
{
switch (algorithm)
{
case TSigAlgorithm.Md5:
return(new HMACMD5());
case TSigAlgorithm.Sha1:
return(new HMACSHA1());
case TSigAlgorithm.Sha256:
return(new HMACSHA256());
case TSigAlgorithm.Sha384:
return(new HMACSHA384());
case TSigAlgorithm.Sha512:
return(new HMACSHA512());
default:
return(null);
}
}
public static DomainName GetDomainName(TSigAlgorithm algorithm)
{
switch (algorithm)
{
case TSigAlgorithm.Md5:
return(DomainName.Parse("hmac-md5.sig-alg.reg.int"));
case TSigAlgorithm.Sha1:
return(DomainName.Parse("hmac-sha1"));
case TSigAlgorithm.Sha256:
return(DomainName.Parse("hmac-sha256"));
case TSigAlgorithm.Sha384:
return(DomainName.Parse("hmac-sha384"));
case TSigAlgorithm.Sha512:
return(DomainName.Parse("hmac-sha512"));
default:
return(null);
}
}
internal static int GetHashSize(TSigAlgorithm algorithm)
{
switch (algorithm)
{
case TSigAlgorithm.Md5:
return(16);
case TSigAlgorithm.Sha1:
return(20);
case TSigAlgorithm.Sha256:
return(32);
case TSigAlgorithm.Sha384:
return(48);
case TSigAlgorithm.Sha512:
return(64);
default:
return(0);
}
}
/**
* Set the TSIG key used to authenticate updates sent to the DNS server.
* Passing null for all values to disable TSIG authentication.
* @param name the name of the key.
* @param algorithm the signature algorithm, one of {@link #TSIG_ALGORITHM_HMAC_MD5},
* {@link #TSIG_ALGORITHM_HMAC_SHA1}, {@link #TSIG_ALGORITHM_HMAC_SHA256}
* @param key the base64 encoded key.
*/
public abstract void setTSIGKey(String name, TSigAlgorithm algorithm, String key);
