Error: END ENCRYPTED PRIVATE KEY Not Found
Symptom
When you add box.com as a source in Netwrix Data Classification, you generate a public/private keypair for your app. When you fill in all of the required fields and click Save, you receive the following error:
System.Exception: Error validating source:
-----END ENCRYPTED PRIVATE KEY not found --->
System.IO.IOException:
-----END ENCRYPTED PRIVATE KEY not found
Cause
The formatting of the private key in the JSON file is incorrect. Refer to the following example:

The private key contains multiple \n entries that represent line breaks.
Resolution
Replace the \n entries with carriage returns symbols. Refer to the code block below for an example:
-----BEGIN ENCRYPTED PRIVATE KEY-----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-----END ENCRYPTED PRIVATE KEY-----</pre>