On Mon, Dec 15, 2008, Victor Duchovni wrote:

> On Mon, Dec 15, 2008 at 09:02:34AM -0600, Mike J wrote:
> 
> > I have a binary file that needs to be digitally signed in a PKCS7 format.
> > 
> > I've looked at some of the openssl documentation and I see commands that can
> > be used to look at PKCS7 formated files
> > but not ways of creating them.
> > 
> > Does openssl have a program that will do this for me? I want to hand openssl
> > the file, private key, and maybe a certificate
> > and I want openssl to calculate the signature and attach it to the file such
> > that it's in a PKCS7 format.
> > 
> > Any suggestions?
> 
> CMS <http://tools.ietf.org/html/rfc3852> support is in the OpenSSL 0.9.9
> dev snapshots, but is not in 0.9.8. Perhaps this will do what you need.
> 

The "smime" utility is in all but ancient versions of OpenSSL... that handles
PKCS#7.

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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