What do you want to know?

EHL

> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf
> Of Simone Tripodi
> Sent: Wednesday, April 29, 2009 11:42 PM
> To: [email protected]
> Subject: [oauth] Re: Signature Methods extension
> 
> 
> Hi Eran,
> thanks for your reply!
> I know now priority is the oauth security, but later I'd like to know
> a little more about these signature methods, I hope you can help me.
> Thanks in advance!
> Simone
> 
> On Wed, Apr 29, 2009 at 11:57 PM, Eran Hammer-Lahav
> <[email protected]> wrote:
> > When we wrote OAuth, there was some resistance to dropping MD5 and
> CRC32.
> > That wiki language was the compromise, with the plan to write an
> extension
> > for those. Since no one asked for it since then, it was never
> written.
> >
> > EHL
> >
> >
> > On 4/29/09 6:18 AM, "Simone Tripodi" <[email protected]>
> wrote:
> >
> >
> >
> > Ciao Luca :)
> > thanks for your reply, since in the wiki page they say
> >
> > "We agreed to drop MD5, CRC32, and the likes from the spec due to
> > security concerns. However, those signing algorithms should still be
> > documented and will be supported by vendors so we might as well
> > provide a consistent way of using them."
> >
> > I was looking for some documentation just to have a look at those
> methods.
> > Thanks!!!
> > Simone
> >
> > On Wed, Apr 29, 2009 at 2:37 PM, Luca Mearelli
> <[email protected]>
> > wrote:
> >>
> >> hi,
> >>
> >> On Wed, Apr 29, 2009 at 11:56 AM, Simone Tripodi
> >> <[email protected]> wrote:
> >>> I'd like to know more about signature methods extension mentione on
> >>> the wiki page:
> >>>
> >>> http://wiki.oauth.net/SignatureMethods
> >>
> >> section 9 in the spec. defines the requirement for signatures but
> does
> >> not mandate a specific signature method it rather describes an
> >> algorithm to define the text to be signed (the "signature base
> >> string") and "defines three signature methods: HMAC-SHA1, RSA-SHA1,
> >> and PLAINTEXT, but Service Providers are free to implement and
> >> document their own methods." i.e. Some service provider implementer
> >> could choose to build his own signature method (e.g. using different
> >> crypto) as long as it properly documents it but I honestly can't
> >> remember any SP that has done so...
> >>
> >> anyhow it seems that the wiki page was calling for documenting in a
> >> standard way the specific signature methods developed by the various
> >> SPs (i noticed that the wiki page pre-dates the "OAuth Core 1.0"
> spec
> >> which was published on  Dec 4th 2007).
> >>
> >> ciao,
> >> Luca
> >>
> >> >
> >>
> >
> >
> >
> > --
> > http://www.google.com/profiles/simone.tripodi
> >
> >
> >
> >
> > >
> >
> 
> 
> 
> --
> http://www.google.com/profiles/simone.tripodi
> 
> 

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