peer_sig_scheme_list comment

tls/s2n_handshake.h

@@ -104,7 +104,12 @@ struct s2n_handshake_parameters {
     struct s2n_blob client_cert_chain;
     s2n_pkey_type client_cert_pkey_type;
 
-    /* Signature/hash algorithm pairs offered by the peer. */
+    /* Signature/hash algorithm pairs offered by the peer.
+     *
+     * In the case of server connections, this list contains the client's supported signature
+     * schemes offered in the ClientHello. In the case of client connections, this list contains
+     * the server's supported signature schemes offered in the CertificateRequest.
+     */
     struct s2n_sig_scheme_list peer_sig_scheme_list;
     /* Signature scheme chosen by the server */
     const struct s2n_signature_scheme *server_cert_sig_scheme;