Hi all,
I hope these are the correct mailing lists to discuss this matter.
(opensc-devel and muscle).
I would like to implement secure messaging in the Muscle applet (and
OpenSC) when I have a little available time.
Are there any good resources (books, documents, etc.) that explain how
to implement it?
I understand that there are three modes of "operation": MAC;
Encryption; Mac + Encryption.
Apparently there is also two methods of establishing the secure channel:
1. Using pre-shared symmetric keys (3DES);
2. Using Diffie-Hellman to establish the keys and certificates to
authenticate both parties (I suppose in order to defeat possible
man-in-the-middle attacks).
By the way, is there any way to establish a secure session without
mutual authentication. Could I just talk to the applet and use
Diffie-Hellman and a Certificate present on the card to establish the
keys and the applet's authenticity? I.e.: "applet authentication".
Thank you,
Joao
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