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https://issues.apache.org/jira/browse/KNOX-2146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17008519#comment-17008519
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Larry McCay commented on KNOX-2146:
-----------------------------------
"I've tested the JWT provider topology using the IdP public certificate in PEM
format as a value for the 'knox.token.verification.pem' and it works.
I then proceeded to obtain the public key from the aforementioned certificate
using 'openssl' and try using it in the same topology, but get the exact same
error described in my original post."
Wait, I'm not sure what you are even trying here again. You want to verify 3rd
party JWT token and it works with the PEM encoded cert for your IdP configured
within the topology. Seems that is exactly what you want to do. Why are you
then trying to configure what seems to be the Knox public key for verifying the
token from your IdP?
> Docs: Knox JWT token signature verification using public key
> ------------------------------------------------------------
>
> Key: KNOX-2146
> URL: https://issues.apache.org/jira/browse/KNOX-2146
> Project: Apache Knox
> Issue Type: Bug
> Components: Site
> Affects Versions: 1.0.0
> Environment: Ubuntu 18.04, HDP 3.1
> Reporter: Matei C.
> Assignee: Larry McCay
> Priority: Minor
> Fix For: 1.4.0
>
>
> Hello,
> I have configured an Apache Knox (1.0.0) topology to accept 3rd party JWTs
> by following this [Cloudera
> guide|[https://community.cloudera.com/t5/Community-Articles/Knox-Accept-third-party-JWT/ta-p/248488]].
>
> I would also like to verify the 3rd party JWts based on their signature by
> adding my IdP's public key in PEM format for the JWT provider, but in the
> guide it is specified that only PEM certificates are accepted (' [...] *In
> current Knox version, public key is not supported, have to configure public
> certificate [...]*') and I have not found any relevant documentation from
> Knox on this subject.
>
> Can you please tell me if there is any solution to use public keys for JWT
> verification in Knox 1.0.0 ? If not, are there any plans to support this in
> future Knox releases ?
> P.S.:
> When adding the 'knox.token.verification.pem' parameter with the public key
> in the JWT provider of my topology I noticed the below error in my
> gateway.log, which does seem to confirm the public key limitation.
>
> {code:java}
> javax.servlet.ServletException: javax.servlet.ServletException:
> CertificateException - PEM may be corrupt
> {code}
>
> Regards,
>
>
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