On Thu, Jun 04, 2009, Jan Pechanec wrote:

> On Mon, 25 May 2009, rakesh aggarwal wrote:
> 
> > 
> >
> >
> >
> >Hi,
> > 
> >i am new to openssl and trying to add support for CTR mode in AES.
> >i dont know what i am doing is correct or not?
> >I made some changes based on my understanding but i want to cross verify.
> >For adding the above support, first i need to add SN_LN,NID, OBJ etc for CTR 
> >mode just like AES in CBC (SN_aes_128_cbc,LN_aes_128_cbc,..) mode.
> >For adding the mentioned (SN, LN, NID, OBJ), i did the following change.
> 
>       it's easier to do othat dynamically. See pk11_add_NID() here, 
> for example:
> 

Adding application specific objects to objects.txt et al is also a bad idea.
They will clash with future versions of OpenSSL which can cause all sorts of
conflicts.

> http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/common/openssl/crypto/engine/hw_pk11.c
> 

Use OBJ_create() instead.

Steve.
--
Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
Homepage: http://www.drh-consultancy.demon.co.uk
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