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  1. Forum
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  5. QuickOPC-UA in .NET
  7. Connections, Reconnections, Certificates
  9. Authentication with X509 certificate

Authentication with X509 certificate

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01 Mar 2022 16:33 #10675 by support
Replied by support on topic Authentication with X509 certificate
Hello.

The file you specify needs to contain both private and public key (.PFX file, most likely).

Best regards
The following user(s) said Thank You: federica

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01 Mar 2022 07:05 #10669 by federica
Replied by federica on topic Authentication with X509 certificate
Can you let me know where should I specify the "Private Key" parameter?
I find no way to specify this.

Thanks

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28 Feb 2022 17:29 #10667 by support
Replied by support on topic Authentication with X509 certificate
Hello.

Assuming that you have the Isolated property on the EasyUAClient object set to 'true', then yes, this is the right place. The chosen user identity will influence all connections made by that EasyUAInstance.

There is, however, also a UserIdentity object on each UAEndpointDescriptor. It can override whatever is set in the session parameters. So, at least in scenarious, it is more logical to leave the UserIdentity in the session parameter unmodified (empty), and set the UserIdentity on the endpoint descriptor instead.

Best regards
The following user(s) said Thank You: federica

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28 Feb 2022 15:32 #10662 by federica
Authentication with X509 certificate was created by federica
Hi,
I'm using QuickOPC COM, developing in C++.

I need to authenticate to an OPC-UA server using certificates.

In UaExpert I need to specify "Certificate" and "Private Key".


How can I specify this parameters using QuickOPC library?

I think I have found how to specify "Certificate" parameter.
_EasyUAAdaptableParametersPtr  IsolatedParameters = m_clientUAPtr->GetIsolatedParameters();
_UASmartSessionParametersPtr SessionParms = IsolatedParameters->GetSessionParameters();
SessionParms->UserIdentity->X509CertificateTokenInfo->FileName = certificateParam;
Is it correct?

Thanks
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  1. Forum
  3. Discussions
  5. QuickOPC-UA in .NET
  7. Connections, Reconnections, Certificates
  9. Authentication with X509 certificate
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