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Re: [cf-dev] Does scandium use certificates as key exchange mechanism ?
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Hi Kiran,
yes, a (D)TLS handshake uses certificates only for (optional) authentication and for negotiating key material for symmetric encryption (usually AES). Asymmetric encryption would be way too resource intensive and slow ...
Regards,
Kai
-----Original Message-----
From: cf-dev-bounces@xxxxxxxxxxx [mailto:cf-dev-bounces@xxxxxxxxxxx] On Behalf Of Kiran Pradeep
Sent: Monday, February 08, 2016 3:23 PM
To: cf-dev@xxxxxxxxxxx
Subject: [cf-dev] Does scandium use certificates as key exchange mechanism ?
Hi,
As per DTLS paper[1] PKI certificates are used only for exchanging a symmetric key. Is it the same in Scandium implementation ? Or is the entire DTLS traffic encrypted using pure asymmetric encryption ?
[1]: https://crypto.stanford.edu/~nagendra/papers/dtls.pdf
Thanks,
Kiran.
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