Steve,
thanks! The encryption would have occured within an applet, at the users
workstation. The encrypted data then sent over the net, and decrypted at my
workstation, perhaps via the JC20 device. Based on the feedback, I can not d othis
easily, or legally.
Thanks again,
Tony
Steve Curry wrote:
> Tony,
>
> If you use the Java-Powered iButton as your JavaCard 2.0 device, you do not need to
>license the algorithm because Dallas Semiconductor has already paid the licensing
>fees for use of the algorithm inside the iButton, provided that all your RSA
>encryption and decryption operations are performed inside the iButton.
>
> If you use a card, you will have to inquire from the manufacturer of the card as to
>whether they have prepaid the licensing fees for use of the algorithm inside their
>cards.
>
> Steve
>
> Stephen M. Curry Director, Software Engineering
> [EMAIL PROTECTED] Dallas Semiconductor Corp.
> Voice (972)371-4995 4401 South Beltwood Pkwy.
> Fax (972)371-3715 Dallas, Texas 75244-3292
>
> > ----------
> > From: Antonio F. DeCicco[SMTP:[EMAIL PROTECTED]]
> > Sent: Thursday, September 02, 1999 9:44 PM
> > To: Aaron Stromas
> > Cc: [EMAIL PROTECTED]
> > Subject: Re: [OCF] public/private key encryption in JavaCard 2.0
> >
> > All,
> >
> > anyone aware of the restrictinons on using RSA? I read recently, in one
> > of the Java Security books, that the only place one can use this without
> > specifically licensing the algorithm, are on a private intranet. My
> > application would use it in an applet, and decode from the private key on
> > the card...
> >
> > Tony
> >
> > Aaron Stromas wrote:
> >
> > > hi,
> > >
> > > i'm using the iButton from Dulles semiconductor which supports Javacard
> > > 2.0. i'd like to use the public/private key encryption and am looking
> > > for a few answers. from my understanding of RSA_PublicKey/RSA_PrivateKey
> > > one needs to supply modulus and public/private exponents, respectively,
> > > to those objects. my question is, in practice, how does one compute
> > > these parameters? are there some publicly available utilities or am i
> > > facing some cryptographic programming?
> > >
> > > also, i don't understand the RSA_CRT_PrivateKey and how the matching
> > > RSA_PublicKey is computed.
> > >
> > > thanks in advance for any help,
> > >
> > > --
> > > Aaron Stromas | "Tick-tick-tick!!!... ja, Pantani is weg...."
> > > Oracle Corp. | BRTN commentator,
> > > +1 703 708 6821 | L'Alpe d'Huez, 1995 Tour de France
> >
> > Visit the OpenCard Framework's WWW site at http://www.opencard.org/ for
> > access to documentation, code, presentations, and OCF announcements.
> > -----------------------------------------------------------------------------
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> > message.
> >
> Visit the OpenCard Framework's WWW site at http://www.opencard.org/ for
> access to documentation, code, presentations, and OCF announcements.
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