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Re: Best pratices for creating an SSL certificate



On Tue, Aug 30, 2011 at 01:29:18PM -0400, Steven Bellovin wrote:
> What you've specified -- 2048-bit RSA with SHA-1 -- is about as strong
> as is generally usable.

Good.

>  A longer modulus is too expensive for some devices

Yes, quite likely as some of the device will be smart phones.

> MD5 should never be used; it's far too weak.

I know. But can I enforce that by disabling MD5 on the certificate?
Or will reasonable clients always prefer SHA1?

        Kind regards

-- 
Matthias Scheler                                  http://zhadum.org.uk/


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