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From "MARASOIU Nicolae-dumitru (renexter)" <>
Subject [users@httpd] JWT could not be decrypted
Date Tue, 08 Jan 2019 16:06:36 GMT
Hi all,
We receive this error in the log file, "JWT could not be decrypted", and I give details below,
we would need a bit of help to figure out the cause of the error.

In my understanding the IdP exposes an http endpoint called jwks where the set of keys and
associated encryption types (symmetric or asymettric) and algorithms (e.g. RSA with SHA256).
Then when e.g. the token endpoint responds with some JWT tokens (id, access, refresh), then
httpd oidc module tries the keys with algos until one succeeds.

Our jwks endpoint returns:
  "keys": [
      "kty": "RSA",
      "use": "sig",
      "alg": "RS256",
      "n": "..",
      "e": ".."

All the errors in the log are, in order:

[auth_openidc:error] oidc_util_jwt_verify: parsing JWT failed: [src/jose.c:694: oidc_jwe_decrypt_impl]:
encrypted JWT could not be decrypted with any of the 1 keys: error for last tried key is:
crypto error [file: jwe.c, function: _cjose_jwe_decrypt_dat_a256gcm, line: 1031]

[auth_openidc:error] oidc_authorization_response_match_state: unable to restore state

[auth_openidc:error] oidc_handle_authorization_response: invalid authorization response state
and no default SSO URL is set, sending an error..

As a side note, we are behind a corporate firewall with basic auth and I configured it with
ProxtRemote and sending Authorization Basic header manually on all requests. It seems to be
passed over the previous errr (connection timeout) so I think it connects well to IdP.
As another side note, I am doing part of the flow in browser and part of it in curl (because
in some requests I need to go through an http proxy, while in others I need to use the proxy,
and the browser is forced into proxy usage for security reasons). So there may be some cookies
or other things missing, as a potential cause.

Could you help me how to investigate the cause of the error below?
Thank you very much,

Technical Leader

Mob. : +40 724746655<>

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