Generate XAdES-BES with .pem, .cer, or .pfx?

Question: The examples refer to a type certificate or “.pfx”.  My certificate is a “.pem” or “.cer” file. Can I generate an XAdES-BES enveloped digital signature to insert in my xml file? Which method should I use to load the certificate into memory and apply the password? Answer: A private key is needed to create a digital signature.  The .pfx […]