Thanks for the clarification.

Regards,

Steven

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Dr. Stephen Henson
Sent: Friday, 30 May 2003 9:15 AM
To: [EMAIL PROTECTED]
Subject: Re: Problems with GENERAL_NAMES on IMPLICIT mode


On Fri, May 30, 2003, Steven Reddie wrote:

> I think I recall that since GeneralName is a CHOICE that using it with
> IMPLICIT tags requires the implicit tag to be declared explicitly to avoid
> ambiguity.  I'm not an ASN.1 expert but I've come across this problem
before
> and had to work around it by reversing the implicit tag of GeneralName.
> I've never been 100% sure of this although I never found a case that
> disobeyed this rule.  If you find anymore out I'd appreciate hearing about
> it.
>

While that's correct this case refers to GeneralNames not GeneralName. Since
GeneralNames is a SEQUENCE OF GeneralName and has a SEQUENCE tag it can have
an IMPLICIT tag itself because that would change the SEQUENCE tag which is
not
ambiguous.

Steve.
--
Dr Stephen N. Henson.
Core developer of the   OpenSSL project: http://www.openssl.org/
Freelance consultant see: http://www.drh-consultancy.demon.co.uk/
Email: [EMAIL PROTECTED], PGP key: via homepage.
______________________________________________________________________
OpenSSL Project                                 http://www.openssl.org
Development Mailing List                       [EMAIL PROTECTED]
Automated List Manager                           [EMAIL PROTECTED]

______________________________________________________________________
OpenSSL Project                                 http://www.openssl.org
Development Mailing List                       [EMAIL PROTECTED]
Automated List Manager                           [EMAIL PROTECTED]

Reply via email to