[Help-gnutls] Signing multicast traffic with gnutls API ?

[Nikos Mavrogiannopoulos]

Actually you cannot use TLS as a protocol since you don't have peer to
peer communication to perform a handshake. You could use
gnutls_x509_privkey_sign_data() and verify_data().

regards,
Nikos

On Thu, Oct 30, 2008 at 12:37 PM, Henning Rogge <rogge at fgan.de> wrote:
> Hello,
>
> I'm working on a small application to distribute flooding traffic in a
> mobile adhoc network. The application use retransmission and duplicate
> suppression at the moment, but it has no way to authentificate the
> broadcasted messages.
>
> The easiest sollution seems to sign a hash value of every package with a
> asymmetric public key and check this signature at the
> receiver/retransmitter.
>
> Can I use the gnutls api for this case ? Each node will have a X509 keyring
> with the public keys of all nodes and signed by a trusted root CA, so key
> distribution is not necessary.
>
> Henning Rogge
>
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