hilscher NIOT-E-TPI51-EN-RE User Manual page 268

Public Key Infrastructure
16.6.1.2 Step 2: Uploading a certificate for client authentication for a specific server on
the Edge Gateway
Edge Gateway | NIOT-E-TPI51-EN-RE (Connect)
DOC170502UM07EN | Revision 7 | English | 2019-07 | Released | Public
To upload a certificate for client authentication for a specific server from a
file into the Edge Gateway, proceed as follows:
Ø Select option Service certificates within selection list (Selection list for
certificate type [} page 79]).
Ê Within window Certificates, a tree structure is displayed instead of the
list of preinstalled trustworthy certificates.
Ø In window Certificates, select the entry node-
opcuaclient_cert.pem below node-red.
Ê The window Certificate Viewer now shows the data of node-
opcuaclient_cert.pem.
Ø Click at button Upload in the header of window Certificates.
Ê A file selection dialog appears.
Ø Within that dialog, select the certificate file to be uploaded! This file
must be present in the *.pem file format [} page 248].
Ê The certificate file is checked for correctness .In case of error, a
message appears indicating a defective file type and further processing
of the certificate file is terminated. For instance, this occurs if the file
does not have the extension *.pem or the contents of the file is not
coded in *.pem format. However, in case of success, a security query
appears whether you really intend to replace the certificate file.
Ø If you are really sure not to need the current certificate file any longer,
click at Yes.
Ê The selected file is checked for matching the stored key file. In case of
error, a message indicating that the certificate does not match with the
private key is displayed.
ð If this check is passed, the selected file is uploaded into the Edge
Gateway. During this, the former certificate file is irreversibly
overwritten.Thus, there is no possibility to recover this file if there is no
suitable backup available. A message is displayed and informs you, that
uploading has been completed and the Edge Gateway requires a
restart.
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