Creates a new X.509 certificate file from a base64 string.
public static int SaveFileFromString( string newCertFile, string certString, bool inPEMFormat )
Public Shared Function SaveFileFromString ( _ newCertFile As String, _ certString As String, _ inPEMFormat As Boolean _ ) As Integer
Zero if successful or non-zero error code
Any existing file of the same name will be overwritten without warning.
A PEM format file will start with -----BEGIN CERTIFICATE-----.