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Name constraints reject too many things (www.pki.bayern.de doesn't seem to work) #20

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briansmith opened this issue Sep 8, 2016 · 1 comment
Open

Name constraints reject too many things (www.pki.bayern.de doesn't seem to work) #20

briansmith opened this issue Sep 8, 2016 · 1 comment

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@briansmith
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verify_tls_cert just hangs (probably a bug in that simplistic program) and Rustls reports TLS error: WebPKIError(UnknownIssuer). May be related to name constraints and specifically the mismatched encoding issue described at https://bugzilla.mozilla.org/show_bug.cgi?id=1256073.
@briansmith briansmith changed the title www.pki.bayern.de doesn't seem to work Name constraints reject too many things (www.pki.bayern.de doesn't seem to work) May 1, 2017
@briansmith
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See also rustls/webpki-roots#7. I probably borked the name constraint logic when I was simplifying it from what I implemented in mozilla::pkix.

@est31 est31 mentioned this issue Jun 29, 2020
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@lucacasonato lucacasonato mentioned this issue Apr 30, 2021
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bnoordhuis added a commit to bnoordhuis/webpki that referenced this issue May 1, 2021
@bnoordhuis
Fix name constraints check
3cef1bf 
There were two bugs. webpki didn't:

1. read the X.509 Name Constraints field in its entirety, nor

2. check the certificate subject against the constraints correctly

(1) is a simple fix, (2) requires reading the Common Name from the
certificate.

Closes briansmith#20, briansmith#134.
@cmusser cmusser mentioned this issue Oct 25, 2021
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@briansmith briansmith mentioned this issue Dec 10, 2021
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@elenaf9 elenaf9 mentioned this issue Jul 24, 2022
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This was referenced Aug 30, 2022
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@drahnr drahnr mentioned this issue May 17, 2023
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@briansmith