Decrypt the specified array buffer
Get the name of this encryption method.
For XML encryption, this should be the EncryptionMethod element`s Algorithm attribute. For example, for the following XML, this method should return "http://www.idpf.org/2008/embedding":
An implementation of the default Resource Obfuscation algorithm defined in https://www.w3.org/publishing/epub3/epub-ocf.html#sec-resource-obfuscation.
Typically used for obfuscation of fonts.
This EncryptionMethod implementation is enabled by default in newly created OcfResourceProviders.