On Fri, Oct 28, 2005, imana sakki wrote:

> hello thank's for your answer, I want to know that wich parameter in the
> certificate signed by verisign, determines that it is 128-bits or 40-bits?   
> 

As the FAQ entry says these days just about any browser or server will use 128
bits automatically for any certificate. Its just a few obsolete "export"
browsers that need the extension, by far the best advice would be to get the
browser upgraded.

If you really want to know there are two parameters. These are part of the
extended key usage (EKU) extension. These are called "Microsoft Server Gated
Crtpto" and "Netcape Server Gated Crypto" though "Netscape Step Up" would be a
more accurate name. Every certificate in the chain with the exception of the
root must include these.

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