In fact that`s a good question.

Take a look:

I configured R1 to be the CA server with SHA256

crypto pki server CA
 grant auto
 hash sha256
 lifetime certificate 1
 database url flash:

Even though I specified it as sha256, when I do "show crypto pki
certificates" I get both outputs but nothing about sha256 on the fingerprint

Signature Algorithm: SHA256 with RSA Encryption
  Fingerprint MD5: 8C5334D3 44F444F9 ECE0B9A0 DCA22F16
  Fingerprint SHA1: 953AA86A 17624DF8 0B67C560 6DFDB426 DF9D3DC7

I found this article:
http://www.mail-archive.com/[email protected]/msg06368.html

It seems you`ll always have both whenever you configure other type of
hashing algorithms

Hope it helps

On Wed, Jan 5, 2011 at 8:20 AM, kamran shakil <[email protected]>wrote:

> Dears,
> I saw it many times while i doing labs  whenever i enroll and authenticate
> the cert from CA , i get 2 messages.
>
> fingerprint MD5
>
> fingerprint SHA
>
> Why TWO / BOTH of them are generated with keys ?
>
> I dont think i mentioned it in CA Config ?
>
>
> I didnt see any comment or clue on it in any of the worbooks i have nor on
> any forums . Well, please let us all know if someone has clue on it .
> Waiting
>
> regards,
> Kamran ~
>
> _______________________________________________
> For more information regarding industry leading CCIE Lab training, please
> visit www.ipexpert.com
>
>


-- 
Bruno Fagioli (by Jaunty Jackalope)
Cisco Security Professional
_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit 
www.ipexpert.com

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