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Use any available curve for dtls connection #654

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Feb 15, 2025
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8 changes: 7 additions & 1 deletion dtls/src/flight/flight0.rs
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ use super::flight2::*;
use super::*;
use crate::config::*;
use crate::conn::*;
use crate::curve::named_curve::NamedCurve;
use crate::error::Error;
use crate::extension::*;
use crate::handshake::*;
Expand Down Expand Up @@ -111,7 +112,12 @@ impl Flight for Flight0 {
Some(Error::ErrNoSupportedEllipticCurves),
));
}
state.named_curve = e.elliptic_curves[0];
for curve in e.elliptic_curves.iter() {
if curve != &NamedCurve::Unsupported {
state.named_curve = *curve;
break;
}
}
}
Extension::UseSrtp(e) => {
if let Ok(profile) = find_matching_srtp_profile(
Expand Down
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