public override void ImportParameters(DHParameters parameters)
{
if (parameters.P == null)
{
throw new CryptographicException("Missing P value.");
}
if (parameters.G == null)
{
throw new CryptographicException("Missing G value.");
}
BigInteger p = new BigInteger(parameters.P);
BigInteger g = new BigInteger(parameters.G);
BigInteger x = null;
if (parameters.X != null)
{
x = new BigInteger(parameters.X);
}
Initialize(p, g, x, 0, checkInput: true);
}
public override void FromXmlString(string xmlString)
{
if (xmlString == null)
{
throw new ArgumentNullException();
}
DHParameters parameters = default(DHParameters);
try
{
SecurityParser securityParser = new SecurityParser();
securityParser.LoadXml(xmlString);
SecurityElement securityElement = securityParser.ToXml();
if (securityElement.Tag != "DHKeyValue")
{
throw new CryptographicException();
}
parameters.P = GetNamedParam(securityElement, "P");
parameters.G = GetNamedParam(securityElement, "G");
parameters.X = GetNamedParam(securityElement, "X");
ImportParameters(parameters);
}
finally
{
if (parameters.P != null)
{
Array.Clear(parameters.P, 0, parameters.P.Length);
}
if (parameters.G != null)
{
Array.Clear(parameters.G, 0, parameters.G.Length);
}
if (parameters.X != null)
{
Array.Clear(parameters.X, 0, parameters.X.Length);
}
}
}
public abstract void ImportParameters(DHParameters parameters);