Re: [Jsdsi-users] KeyPairs generated by other APIs ==> Exception

[Somaya A. <som...@ya...>]

Hi Sameer,

I don’t think that I’m using wrong classes. I am using
keyPairs that are objects of java.security.KeyPair
class. And I’m using getPublic() method to get the
public key object. Am i doing anything wrong?

Thanks for your help
Somaya


--- Somaya Aboulwafa <som...@ya...> wrote:

> Hi Sameer,
> 
> Yes i can, but, for you to run it you'll need to
> install the Agents framework that i'm using (JADE
> multiagent framework). This is becoz, I'm using
> keypairs generated by this API. Do u have time to do
> this?!
> 
> Thanks,
> Somaya
> 
> --- Sameer Ajmani <aj...@gm...> wrote:
> 
> > On 1/5/06, Somaya Aboulwafa
> <som...@ya...>
> > wrote:
> > > Hello,
> > >
> > > The exception happens when trying to create an
> > > authorization certificate using this line of
> code:
> > >
> > > AuthCert cert = new AuthCert((Principal)
> > > signer.getPublic(), (Subject)signee.
> getPublic(),,
> > v,
> > > dh, c, t, p);
> > >
> > > Where signer and signee parameters are
> > > java.security.KeyPair objects generated from
> > outside
> > > the JSDSI API.
> > >
> > > The Exception is as follows:
> > > java.lang.ClassCastException:
> > > sun.security.rsa.RSAPublicKeyImpl
> > >         at
> > >
> >
>
credentials.version1_0.SenderAgent.CreateCertificate(SenderAgent.java:123)
> > >         at
> > >
> >
>
credentials.version1_0.SenderAgent.access$2(SenderAgent.java:111)
> > >
> > >
> > > Another exception also occurs when trying to
> sign
> > a
> > > certificate using the following line of code:
> > >
> > > jsdsi.Signature sig =
> > jsdsi.Signature.create(signer,
> > > cert, DigestAlgoEnum.SHA1);
> > >
> > > It is as follows:
> > > java.lang.ClassCastException:
> > > sun.security.rsa.RSAPublicKeyImpl
> > >         at
> > jsdsi.Signature.create(Signature.java:199)
> > >         at
> > jsdsi.Signature.create(Signature.java:157)
> > >         at
> > jsdsi.Signature.create(Signature.java:109)
> > 
> > Looks like the key you're passing to Signature are
> > of the wrong class.
> >  Can you create a small program that throws this
> > exception?  e.g.,
> > create a key pair, then create a signature?
> > 
> > S
> > 
> > >
> > > Many Thanks,
> > > Somaya
> > >
> > >
> > >
> > > --- Luيs Pedro <lp...@ne...> wrote:
> > >
> > > > Hello Somaya Aboulwafa,
> > > >
> > > > Could you send the Exception?
> > > >
> > > > » -----Original Message-----
> > > > » From:
> jsd...@li...
> > > > »
> > [mailto:jsd...@li...]
> > > > On Behalf Of
> > > > » Somaya Aboulwafa
> > > > » Sent: quinta-feira, 5 de Janeiro de 2006
> 7:32
> > > > » To: jsd...@li...
> > > > » Cc: aj...@gm...
> > > > » Subject: [Jsdsi-users] KeyPairs generated
> by
> > other
> > > > APIs ==> Exception
> > > > »
> > > > » Hi Sameer and everyone,
> > > > »
> > > > » I'm using JSDSI with another framework (a
> > > > Multiagent system
> > > > » framework).
> > > > » Agents in this framework have their own
> > KeyPairs.
> > > > » Whenever I try to use those KeyPairs to
> > create or
> > > > sign
> > > > » certificates using JSDSI I got an
> exception.
> > While
> > > > if I used
> > > > » JSDSI with KeyPairs generated by JSDSI I
> got
> > no
> > > > exceptions
> > > > »
> > > > » So, would you plz help me to figure out the
> > > > problem?
> > > > »
> > > > » Thanks in advance,
> > > > » Somaya
> > > > »
> > > > »
> > > > »
> > > > »
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=== message truncated ===



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