private bool IsSafeTransform(string transformAlgorithm) { // All canonicalization algorithms are valid transform algorithms. foreach (string safeAlgorithm in SafeCanonicalizationMethods) { if (string.Equals(safeAlgorithm, transformAlgorithm, StringComparison.OrdinalIgnoreCase)) { return(true); } } foreach (string safeAlgorithm in DefaultSafeTransformMethods) { if (string.Equals(safeAlgorithm, transformAlgorithm, StringComparison.OrdinalIgnoreCase)) { return(true); } } SignedXmlDebugLog.LogUnsafeTransformMethod( this, transformAlgorithm, SafeCanonicalizationMethods, DefaultSafeTransformMethods); return(false); }
private static bool IsSafeTransform(NS transformAlgorithm, SignedXml signedXml) { foreach (string safeAlgorithm in signedXml.SafeCanonicalizationMethods) { if (string.Equals(safeAlgorithm, XmlNameSpace.Url[transformAlgorithm], StringComparison.OrdinalIgnoreCase)) { return(true); } } foreach (string safeAlgorithm in DefaultSafeTransformMethods(SignedXml.s_defaultSafeTransformMethods)) { if (string.Equals(safeAlgorithm, XmlNameSpace.Url[transformAlgorithm], StringComparison.OrdinalIgnoreCase)) { return(true); } } SignedXmlDebugLog.LogUnsafeTransformMethod( signedXml, XmlNameSpace.Url[transformAlgorithm], signedXml.SafeCanonicalizationMethods, DefaultSafeTransformMethods(SignedXml.s_defaultSafeTransformMethods)); return(false); }