[Jsdsi-users] Re: <What's the correct way to send over Proof?>

[Sameer A. <aj...@cs...>]

Good idea.  The site should also include a HOWTO for several common tasks:
creating keys, certificates, signatures, proofs, writing and reading these
from a file or the network, etc.

Sameer

> On Wed, 2004-05-05 at 12:16, Sameer Ajmani wrote:
>> You can transfer a Proof as a Sequence (using proof.getSequence).  But
>> we should probably add support for transferring it just as a Proof.
>> The reason I didn't in the firts place is because Proof isn't actually
>> an official SPKI/SDSI datatype---it's specific to JSDSI.
>>
>
> I'd vote for making Proof SExpression'able (and consequently implement
> java.io.Serializable). Just seems sensible and thinking about it... I
> hit the same problem (but never got round to raising the issue) about a
> year ago!
>
> Guess we should be adding things like this to the 'Future Work' section
> of the site (so we don't forget them) - until we get an issue tracking
> application going...
>
> Regards,
>
> Sean
>
>> Sameer
>>
>> > Dear Sameer, Sean, and jsdsi experts,
>> >
>> > Orignial NameCert or AuthCert which are be embedded in Certifcate
>> can be sent and receive well by using CertificateFactory Engine But
>> now, after the client generates proof from certificate discovery,
>> how should I send this over correctly? Currently, I try to use
>> jsdsi.ObjOutputStream and jsdsi.ObjInputStream: Client:
>> >     FileOutputStream pd_file_out = new
>> > FileOutputStream("server_agent_queue.txt", true);
>> > jsdsi.sexp.ObjOutputStream pd_oos = new
>> > jsdsi.sexp.ObjOutputStream(pd_file_out);
>> > pd_oos.writeCanonical(proof);
>> >     pd_file_out.close();
>> >
>> >  Server:
>> >     FileInputStream file_in = new
>> > FileInputStream("server_agent_queue.txt"); jsdsi.sexp.ObjInputStream
>> ois = new jsdsi.sexp.ObjInputStream(fis); while (true) {
>> >           if (ois.available() > 0) {
>> >   ===>          jsdsi.Proof pf = (jsdsi.Proof) ois.readObj();
>> >             break;
>> >           }
>> >         }
>> >
>> > But it occures following error on ===> line:
>> > jsdsi.sexp.SexpParseException: unrecognized object type: proof
>> >
>> > Any idea, please? and Thanks for answer in advanced!
>> >
>> > Sincerely,
>> >
>> > Matt
>>
>>
>> http://ajmani.net
>>
> --
> Dr. Sean Radford, MBBS, MSc
> sra...@ae...
> http://www.aegeus-technology.com


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