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WIP: Client verification #620

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1a3081e
Client signature verification by server
Jun 7, 2018
9a1dffd
add working examples of client and server
Jun 7, 2018
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257 changes: 257 additions & 0 deletions examples/XMLSchemas/xml_opc_schema_test1.xml
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<?xml version='1.0' encoding='utf-8'?>
<UANodeSet xmlns="http://opcfoundation.org/UA/2011/03/UANodeSet.xsd" xmlns:uax="http://opcfoundation.org/UA/2008/02/Types.xsd" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<NamespaceUris>
<Uri />
<Uri>iab_namespace</Uri>
</NamespaceUris>
<Aliases>
<Alias Alias="Float">i=10</Alias>
<Alias Alias="String">i=12</Alias>
<Alias Alias="Organizes">i=35</Alias>
<Alias Alias="HasTypeDefinition">i=40</Alias>
<Alias Alias="HasProperty">i=46</Alias>
<Alias Alias="HasComponent">i=47</Alias>
</Aliases>
<UAObject BrowseName="2:iab" NodeId="ns=2;i=1" ParentNodeId="i=85">
<DisplayName>iab</DisplayName>
<Description>The base type for all object nodes.</Description>
<References>
<Reference IsForward="false" ReferenceType="Organizes">i=85</Reference>
<Reference ReferenceType="HasTypeDefinition">i=58</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=2</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=3</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=4</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=5</Reference>
</References>
</UAObject>
<UAObject BrowseName="2:Analytics" NodeId="ns=2;i=2" ParentNodeId="ns=2;i=1">
<DisplayName>Analytics</DisplayName>
<Description>The base type for all object nodes.</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=1</Reference>
<Reference ReferenceType="HasTypeDefinition">i=58</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=6</Reference>
</References>
</UAObject>
<UAObject BrowseName="2:cRIO" NodeId="ns=2;i=3" ParentNodeId="ns=2;i=1">
<DisplayName>cRIO</DisplayName>
<Description>The base type for all object nodes.</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=1</Reference>
<Reference ReferenceType="HasTypeDefinition">i=58</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=10</Reference>
</References>
</UAObject>
<UAObject BrowseName="2:Twin" NodeId="ns=2;i=4" ParentNodeId="ns=2;i=1">
<DisplayName>Twin</DisplayName>
<Description>The base type for all object nodes.</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=1</Reference>
<Reference ReferenceType="HasTypeDefinition">i=58</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=19</Reference>
</References>
</UAObject>
<UAObject BrowseName="2:Customer" NodeId="ns=2;i=5" ParentNodeId="ns=2;i=1">
<DisplayName>Customer</DisplayName>
<Description>The base type for all object nodes.</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=1</Reference>
<Reference ReferenceType="HasTypeDefinition">i=58</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=20</Reference>
</References>
</UAObject>
<UAObject BrowseName="2:Measurement_stats" NodeId="ns=2;i=6" ParentNodeId="ns=2;i=2">
<DisplayName>Measurement_stats</DisplayName>
<Description>Measurement_stats</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=2</Reference>
<Reference ReferenceType="HasTypeDefinition">i=61</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=7</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=21</Reference>
</References>
</UAObject>
<UAVariable AccessLevel="15" BrowseName="2:temp_mean" DataType="Float" NodeId="ns=2;i=7" ParentNodeId="ns=2;i=6" UserAccessLevel="15">
<DisplayName>temp_mean</DisplayName>
<Description>temp_mean</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=6</Reference>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
<Reference ReferenceType="HasProperty">ns=2;i=8</Reference>
<Reference ReferenceType="HasProperty">ns=2;i=9</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:aproperty_float" DataType="Float" NodeId="ns=2;i=8" ParentNodeId="ns=2;i=7">
<DisplayName>aproperty_float</DisplayName>
<Description>aproperty_float</Description>
<References>
<Reference IsForward="false" ReferenceType="HasProperty">ns=2;i=7</Reference>
<Reference ReferenceType="HasTypeDefinition">i=68</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:aproperty_string" DataType="String" NodeId="ns=2;i=9" ParentNodeId="ns=2;i=7">
<DisplayName>aproperty_string</DisplayName>
<Description>aproperty_string</Description>
<References>
<Reference IsForward="false" ReferenceType="HasProperty">ns=2;i=7</Reference>
<Reference ReferenceType="HasTypeDefinition">i=68</Reference>
</References>
<Value>
<uax:String>9.99</uax:String>
</Value>
</UAVariable>
<UAObject BrowseName="2:measurements" NodeId="ns=2;i=10" ParentNodeId="ns=2;i=3">
<DisplayName>measurements</DisplayName>
<Description>measurements</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=3</Reference>
<Reference ReferenceType="HasTypeDefinition">i=61</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=12</Reference>
<Reference ReferenceType="HasComponent">ns=2;i=15</Reference>
<Reference ReferenceType="HasProperty">ns=2;i=18</Reference>
<Reference ReferenceType="HasComponent">ns=2;s=testvariable</Reference>
<Reference ReferenceType="HasComponent">ns=2;s=anothertest</Reference>
</References>
</UAObject>
<UAVariable AccessLevel="15" BrowseName="2:temperature" DataType="Float" Historizing="True" NodeId="ns=2;i=12" ParentNodeId="ns=2;i=10" UserAccessLevel="15">
<DisplayName>temperature</DisplayName>
<Description>temperature</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=10</Reference>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
<Reference ReferenceType="HasProperty">ns=2;i=13</Reference>
<Reference ReferenceType="HasProperty">ns=2;i=14</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:range" DataType="Float" NodeId="ns=2;i=13" ParentNodeId="ns=2;i=12">
<DisplayName>range</DisplayName>
<Description>range</Description>
<References>
<Reference IsForward="false" ReferenceType="HasProperty">ns=2;i=12</Reference>
<Reference ReferenceType="HasTypeDefinition">i=68</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:accuracy" DataType="Float" NodeId="ns=2;i=14" ParentNodeId="ns=2;i=12">
<DisplayName>accuracy</DisplayName>
<Description>accuracy</Description>
<References>
<Reference IsForward="false" ReferenceType="HasProperty">ns=2;i=12</Reference>
<Reference ReferenceType="HasTypeDefinition">i=68</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable AccessLevel="15" BrowseName="2:vibration" DataType="Float" Historizing="True" NodeId="ns=2;i=15" ParentNodeId="ns=2;i=10" UserAccessLevel="15">
<DisplayName>vibration</DisplayName>
<Description>vibration</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=10</Reference>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
<Reference ReferenceType="HasProperty">ns=2;i=16</Reference>
<Reference ReferenceType="HasProperty">ns=2;i=17</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:range" DataType="Float" NodeId="ns=2;i=16" ParentNodeId="ns=2;i=15">
<DisplayName>range</DisplayName>
<Description>range</Description>
<References>
<Reference IsForward="false" ReferenceType="HasProperty">ns=2;i=15</Reference>
<Reference ReferenceType="HasTypeDefinition">i=68</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:accuracy" DataType="Float" NodeId="ns=2;i=17" ParentNodeId="ns=2;i=15">
<DisplayName>accuracy</DisplayName>
<Description>accuracy</Description>
<References>
<Reference IsForward="false" ReferenceType="HasProperty">ns=2;i=15</Reference>
<Reference ReferenceType="HasTypeDefinition">i=68</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:timestep" DataType="Float" NodeId="ns=2;i=18" ParentNodeId="ns=2;i=10">
<DisplayName>timestep</DisplayName>
<Description>timestep</Description>
<References>
<Reference IsForward="false" ReferenceType="HasProperty">ns=2;i=10</Reference>
<Reference ReferenceType="HasTypeDefinition">i=68</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:testvariable" DataType="Float" NodeId="ns=2;i=19" ParentNodeId="ns=2;i=4">
<DisplayName>testvariable</DisplayName>
<Description>testvariable</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=4</Reference>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:testvariable" DataType="Float" NodeId="ns=2;i=20" ParentNodeId="ns=2;i=5">
<DisplayName>testvariable</DisplayName>
<Description>testvariable</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=5</Reference>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable AccessLevel="15" BrowseName="2:vibration_something" DataType="Float" NodeId="ns=2;i=21" ParentNodeId="ns=2;i=6" UserAccessLevel="15">
<DisplayName>vibration_something</DisplayName>
<Description>vibration_something</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=6</Reference>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:testvariable" DataType="Float" Historizing="True" NodeId="ns=2;s=testvariable" ParentNodeId="ns=2;i=10">
<DisplayName>testvariable</DisplayName>
<Description>testvariable</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=10</Reference>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
<UAVariable BrowseName="2:anothertest" DataType="Float" NodeId="ns=2;s=anothertest" ParentNodeId="ns=2;i=10" UserAccessLevel="15">
<DisplayName>anothertest</DisplayName>
<Description>anothertest</Description>
<References>
<Reference IsForward="false" ReferenceType="HasComponent">ns=2;i=10</Reference>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
</References>
<Value>
<uax:Float>9.99</uax:Float>
</Value>
</UAVariable>
</UANodeSet>
15 changes: 15 additions & 0 deletions examples/cert.pem
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-----BEGIN CERTIFICATE-----
MIICWzCCAcSgAwIBAgIJAI2vU+xObjKcMA0GCSqGSIb3DQEBCwUAMEUxCzAJBgNV
BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX
aWRnaXRzIFB0eSBMdGQwHhcNMTgwNDEwMTIzNzQ5WhcNMTkwNDEwMTIzNzQ5WjBF
MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50
ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKB
gQDWxSvyTgs3Dc0wcOk2TwTvozP49fCsV8RfMjuDl4wRJSFWNteH50bBmhUUXhWO
5kFHwjCt0wBujjUfqg3vE3JY0+pa70X2iGXZ0Tk3/XSPUVE/cPa7DQleCTIhR5Di
Mo5leg3O339c0BdskYsV6UvZVv3wO2j/8yhE+CfTkkKAgwIDAQABo1MwUTAdBgNV
HQ4EFgQUqJSdMz0aYGfU5ySIBy2GA433BBMwHwYDVR0jBBgwFoAUqJSdMz0aYGfU
5ySIBy2GA433BBMwDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOBgQBp
UU0+r7uisgdTgLEaEMU3acsgbd+VVULHJnvju3QVbPotRuhvjZsTiq934aYv9To0
7V4ydPhi13sRu1tR89GX7u45Z0+uPBZI+yCLxxvCOBrA5THpM9yc2owhAbaIF/br
tVKSYH/9WtFCxMjAXrCGzN7HJnRLmR8Gumkq1t/X3w==
-----END CERTIFICATE-----
36 changes: 36 additions & 0 deletions examples/client_encrypt_malicious.py
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from opcua import Client
from opcua import ua
import time
import random
import logging
logging.basicConfig(level=logging.DEBUG)

if __name__ == '__main__':
client = Client("opc.tcp://localhost:4841/freeopcua/server/")

## one can set different sets of key/cert for testing

#client.load_private_key('key.pem')
#client.load_client_certificate('cert.pem')
client.load_private_key('private-key-example.pem')
client.load_client_certificate('certificate-example.der')

client.set_security_string("Basic256,SignAndEncrypt,cert.pem,key.pem")
#client.set_security_string("Basic256,SignAndEncrypt,certificate-example.der,private-key-example.pem")

## this doesn't work because this cert.key pair is used for encryption of data
#client.set_security_string("Basic256,SignAndEncrypt,cert.pem,private-key-example.pem")

time.sleep(5)

client.connect()
print("connectedddd")

var_temp = client.get_node("ns=2;i=12")
var_vibration = client.get_node("ns=2;i=15")

while True:
var_temp.get_value()
time.sleep(10)


16 changes: 16 additions & 0 deletions examples/key.pem
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-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----
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