Question about signing & verifying

ilter yüksel ilteryuksel at gmail.com
Wed Mar 17 20:51:09 UTC 2010


I got it. Thank you so much Oğuz.

On Wed, Mar 17, 2010 at 5:51 AM, Oğuz <osolok at gmail.com> wrote:

> On 3/13/10, ilter yüksel <ilteryuksel at gmail.com> wrote:
> > Hello,
> >
> > I've question about signing especially for signing router-descriptor;
> >
> > Is the router "signing-key" using to prepare a router's signature with
> > digest algorithm? If so then does an OR sign it's router descriptor with
> > it's signature? Finally can we say right for below sequence?
> >
> > "signing-key" ---- digest algorithm --- > "router-signature"
> > initial "router-descriptor" ----- sign with "router-signature" --- >
> signed
> > "router-descriptor"
>
> Selamlar İlter,
>
> Actually it is
>
> descriptor ---> digest function
>                        |
>                        v
> private key --->  RSA engine ----> signature
>
> > After that how a directory authority verify whether the router descriptor
> is
> > self-signed?
>
> signature
>    |
>    v
> RSA engine  ---> recovered digest  ?=?  digest function <--- descriptor
>    ^
>    |
> public key (signing-key)
>
> To demonstrate, in Java you might do something like:
> http://pastebin.com/fvtS3Uyv.
>
> Regards
> Oğuz
>
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