Testing opcua Client.Signature

testing

==== Server ====

In [1]: from opcua import ua, server
   ...:
   ...: s = server.server.Server()
   ...: s.load_certificate("/etc/pki/tls/certs/mycert.pem")
   ...: s.load_private_key("/etc/pki/tls/certs/mykey.key.der")
   ...:
   ...: # allow Basic256Sha256_SignAndEncrypt
   ...: # s.get_endpoint() would return only that security policy
   ...: # and clients are restricted to it.
   ...: s.set_security_policy([
   ...:     ua.SecurityPolicyType.Basic256Sha256_SignAndEncrypt,
   ...: ])
   ...:
   ...: # get Objects node, this is where we should put our custom stuff
   ...: objects = s.get_objects_node()
   ...: print("I got objects folder: ", objects)
   ...:
   ...: # now adding some object to our addresse space
   ...: idx = s.register_namespace(uri)
   ...: myobject = objects.add_object(idx, "NewObject")
   ...: myvar = myobject.add_variable(idx, "MyVariable", [16, 56])
   ...: myprop = myobject.add_property(idx, "myprop", 9.9)
   ...: myfolder = myobject.add_folder(idx, "myfolder")
   ...: s.start()

I got objects folder:  Node(TwoByteNodeId(i=85))
Listening on 0.0.0.0:4840

In [2]:

Creating SecurityPolicy: <class 'opcua.crypto.security_policies.SecurityPolicyBasic256Sha256'> 3 <Certificate(subject=<Name(CN=mycert)>, ...)>
Creating SecurityPolicy: <class 'opcua.crypto.security_policies.SecurityPolicyBasic256Sha256'> 3 <Certificate(subject=<Name(CN=mycert)>, ...)>
Creating SecurityPolicy: <class 'opcua.crypto.security_policies.SecurityPolicyBasic256Sha256'> 3 <Certificate(subject=<Name(CN=mycert)>, ...)>
Creating SecurityPolicy: <class 'opcua.crypto.security_policies.SecurityPolicyBasic256Sha256'> 3 <Certificate(subject=<Name(CN=mycert)>, ...)>


==== Client =====

In [1]: from opcua import ua
   ...: from opcua import client
   ...:
   ...: c = client.client.Client(url="opc.tcp://0.0.0.0:4840/freeopcua/server/")
   ...: c.set_security_string("Basic256Sha256,SignAndEncrypt,/etc/pki/tls/certs/mycert.pem,/etc/pk
   ...: i/tls/certs/mykey.key.der")
   ...:
   ...: c.connect()
   ...:
   ...: # create a subcription and sub to a node created previously
   ...: sub = c.create_subscription(1000,1)
   ...: sub.subscribe_data_change(c.get_node("ns=2;i=3"))
Sending publish message
Sending publish message
Out[1]: 112

DataChange subscription created but handler has no datachange_notification method
Sending publish message