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Diffstat (limited to 'openssl/src/ssl/connector.rs')
-rw-r--r--openssl/src/ssl/connector.rs20
1 files changed, 19 insertions, 1 deletions
diff --git a/openssl/src/ssl/connector.rs b/openssl/src/ssl/connector.rs
index 7d0bc4cd..0ec6526e 100644
--- a/openssl/src/ssl/connector.rs
+++ b/openssl/src/ssl/connector.rs
@@ -126,9 +126,11 @@ impl ServerConnectorBuilder {
I::Item: AsRef<X509Ref>
{
let mut ctx = try!(ctx(method));
- ctx.set_options(ssl::SSL_OP_SINGLE_DH_USE | ssl::SSL_OP_CIPHER_SERVER_PREFERENCE);
+ ctx.set_options(ssl::SSL_OP_SINGLE_DH_USE | ssl::SSL_OP_SINGLE_ECDH_USE |
+ ssl::SSL_OP_CIPHER_SERVER_PREFERENCE);
let dh = try!(Dh::from_pem(DHPARAM_PEM.as_bytes()));
try!(ctx.set_tmp_dh(&dh));
+ try!(setup_curves(&mut ctx));
try!(ctx.set_cipher_list(
"ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:\
ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:\
@@ -165,6 +167,22 @@ impl ServerConnectorBuilder {
}
}
+#[cfg(ossl101)]
+fn setup_curves(ctx: &mut SslContextBuilder) -> Result<(), ErrorStack> {
+ let curve = try!(::ec_key::EcKey::new_by_curve_name(::nid::X9_62_PRIME256V1));
+ ctx.set_tmp_ecdh(&curve)
+}
+
+#[cfg(ossl102)]
+fn setup_curves(ctx: &mut SslContextBuilder) -> Result<(), ErrorStack> {
+ ctx._set_ecdh_auto(true)
+}
+
+#[cfg(ossl110)]
+fn setup_curves(_: &mut SslContextBuilder) -> Result<(), ErrorStack> {
+ Ok(())
+}
+
/// A type which wraps server-side streams in a TLS session.
///
/// OpenSSL's default configuration is highly insecure. This connector manages the OpenSSL