On Sat, Oct 12, 2002, Kumar, Mayank wrote:

> Hi Stephen,
> 
> For my OCSP implementation, I've taken the new OCSP components from
> 0.9.7-beta3 and have integrated it with 0.9.6.2. Have not tested it but I
> anticipate number of problems due to incorrect ASN encoding/decoding, mainly
> due to some of the attributes being EXPLICIT, IMPLICIT, OPTIONAL and CHOICE
> etc.
> 
> Porting macros like ASN_SEQUENCE etc in 0.9.6.2 also doesn't seem to be
> easy. Can you suggest me some reading material or some guidelines for
> correct ASN encoding/decoding in 0.9.6.2 release?
> 

You don't just have to port the macros you have to port almost all the ASN1
changes which are in asn1t.h and tasn_*.c followed by just about every new
ASN1 module.

It would be easier to convert the new OCSP ASN1 module to 0.9.6 format however
that too is a lot of work. There isn't much documentation on that though. One
possibility is to take the old ASN1 code from the OCSP patch and try to adapt
that.

Steve.
--
Dr. Stephen Henson      [EMAIL PROTECTED]            
OpenSSL Project         http://www.openssl.org/~steve/
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