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I need a script that reads the private a public key from a cer and a key file, then that data and some other variables need to be crypted and arranged into an xml file and connect using soap, with another webservice to send the xml file and will return the xml with some other information, then that xml needs to be saved in my server but first the script need to read it and update some mysql fields. the script that connects with soap to another webservice is almost done you just need to addapt it. all the documentation of the xml structure (nodes, etc) will be given. if you understand spanish language is better.