| public static ReadSupportedEllipticCurvesExtension ( byte extensionData ) : int[] | ||
| extensionData | byte | |
| return | int[] | |
protected virtual bool AllowUnexpectedServerExtension(int extensionType, byte[] extensionData)
{
switch (extensionType)
{
case ExtensionType.supported_groups:
/*
* Exception added based on field reports that some servers do send this, although the
* Supported Elliptic Curves Extension is clearly intended to be client-only. If
* present, we still require that it is a valid EllipticCurveList.
*/
TlsEccUtilities.ReadSupportedEllipticCurvesExtension(extensionData);
return(true);
case ExtensionType.ec_point_formats:
/*
* Exception added based on field reports that some servers send this even when they
* didn't negotiate an ECC cipher suite. If present, we still require that it is a valid
* ECPointFormatList.
*/
TlsEccUtilities.ReadSupportedPointFormatsExtension(extensionData);
return(true);
default:
return(false);
}
}
protected virtual bool AllowUnexpectedServerExtension(int extensionType, byte[] extensionData)
{
if (extensionType == 10)
{
TlsEccUtilities.ReadSupportedEllipticCurvesExtension(extensionData);
return(true);
}
return(false);
}
public static int[] GetSupportedEllipticCurvesExtension(IDictionary extensions)
{
byte[] extensionData = TlsUtilities.GetExtensionData(extensions, 10);
if (extensionData != null)
{
return(TlsEccUtilities.ReadSupportedEllipticCurvesExtension(extensionData));
}
return(null);
}
protected virtual bool AllowUnexpectedServerExtension(int extensionType, byte[] extensionData)
{
switch (extensionType)
{
case ExtensionType.elliptic_curves:
/*
* Exception added based on field reports that some servers do send this, although the
* Supported Elliptic Curves Extension is clearly intended to be client-only. If
* present, we still require that it is a valid EllipticCurveList.
*/
TlsEccUtilities.ReadSupportedEllipticCurvesExtension(extensionData);
return(true);
default:
return(false);
}
}