[gnutls-devel] GnuTLS | GnuTLS does not correctly recognize policies in the extension certificate policies (#992)

[Development of GNU's TLS library]

Dmitry Baryshkov commented:


Provided file contains an extension which we believe is incorrect. Certificate Policies extension (2.5.29.32) uses IA5String with an embedded NUL character. This is reported by certtool:

> error: certificate policies import: The provided string has an embedded null.

dumpasn1 tool also reports this error. Closing as invalid.


```
604  82:               SEQUENCE {
606  12:                 OBJECT IDENTIFIER '1 3 6 1 4 1 311 76 509 1 1'
620  66:                 SEQUENCE {
622  64:                   SEQUENCE {
624   8:                     OBJECT IDENTIFIER cps (1 3 6 1 5 5 7 2 1)
634  52:                     IA5String
       :                   'http://www.microsoft.com/pkiops/Docs/Repository.'
       :                   'htm.'
       :                   Error: IA5String contains illegal character(s).
       :                     }
       :                   }
       :                 }
       :               }
```

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