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":
Used for decrypting resources, encrypted with a specific encryption method.
IEncryptionMethod instances are typically used with a publication by adding them to a DrmManager.