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RE: [iaik-jce] Need an asymmetric algo to sign and encrypt



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Michael Quinn
Software Engineer
MyTurn.com
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-----Original Message-----
From: iaik-jce-owner@iaik.tu-graz.ac.at
[mailto:iaik-jce-owner@iaik.tu-graz.ac.at]On Behalf Of
Thomas.Kuhlmann2@Bertelsmann.de
Sent: Thursday, July 13, 2000 5:03 AM
To: iaik-jce@iaik.tu-graz.ac.at
Subject: [iaik-jce] Need an asymmetric algo to sign and encrypt

Hi,

I need the implementation of an asymmetric algorithm to sign and encrypt
data (objects).
(RSA can only encrypt, DSA can only sign, DH can only encrypt, ...)

I want to do the following (simplified):
A sender sends an object encrypted using the receiptents public key and
signed using the its own private key. The receiptent should decrypt it using
its own private key and verify the signature using the senders public key.
Every instance (sender and receiptent) only have one(!) key-pair.

It seems not to be possible with IAIK, isn't it?
(Why is it not possible to sign with a RSA-key?)

Thanks for your help!

Best regards,
Thomas Kuhlmann

----
Bertelsmann mediaSystems
An der Autobahn
D-33311 Guetersloh
Germany
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