Added ChaCha20+Poly1305 support (stand-alone, cipher suites).

[BearSSL] / src / ssl / ssl_server_full_ec.c

diff --git a/src/ssl/ssl_server_full_ec.c b/src/ssl/ssl_server_full_ec.c
index eed4002..824ee13 100644 (file)
--- a/src/ssl/ssl_server_full_ec.c
+++ b/src/ssl/ssl_server_full_ec.c
@@ -38,6 +38,7 @@ br_ssl_server_init_full_ec(br_ssl_server_context *cc,
         *
         * -- Don't use 3DES if AES is available.
         * -- Try to have Forward Secrecy (ECDHE suite) if possible.
         *
         * -- Don't use 3DES if AES is available.
         * -- Try to have Forward Secrecy (ECDHE suite) if possible.

+        * -- ChaCha20+Poly1305 is better than AES/GCM (faster, smaller).

         * -- GCM is better than CBC.
         * -- AES-128 is preferred over AES-256 (AES-128 is already
         *    strong enough, and AES-256 is 40% more expensive).
         * -- GCM is better than CBC.
         * -- AES-128 is preferred over AES-256 (AES-128 is already
         *    strong enough, and AES-256 is 40% more expensive).


@@ -46,6 +47,7 @@ br_ssl_server_init_full_ec(br_ssl_server_context *cc,
         * filtered based on the issuing CA key type.
         */
        static const uint16_t suites[] = {
         * filtered based on the issuing CA key type.
         */
        static const uint16_t suites[] = {

+               BR_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,

                BR_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
                BR_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
                BR_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
                BR_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
                BR_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
                BR_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,


@@ -152,6 +154,10 @@ br_ssl_server_init_full_ec(br_ssl_server_context *cc,
        br_ssl_engine_set_des_cbc(&cc->eng,
                &br_des_ct_cbcenc_vtable,
                &br_des_ct_cbcdec_vtable);
        br_ssl_engine_set_des_cbc(&cc->eng,
                &br_des_ct_cbcenc_vtable,
                &br_des_ct_cbcdec_vtable);

+       br_ssl_engine_set_chacha20(&cc->eng,
+               &br_chacha20_ct_run);
+       br_ssl_engine_set_poly1305(&cc->eng,
+               &br_poly1305_ctmul_run);

 
        /*
         * Set the SSL record engines (CBC, GCM).
 
        /*
         * Set the SSL record engines (CBC, GCM).


@@ -162,4 +168,7 @@ br_ssl_server_init_full_ec(br_ssl_server_context *cc,
        br_ssl_engine_set_gcm(&cc->eng,
                &br_sslrec_in_gcm_vtable,
                &br_sslrec_out_gcm_vtable);
        br_ssl_engine_set_gcm(&cc->eng,
                &br_sslrec_in_gcm_vtable,
                &br_sslrec_out_gcm_vtable);

+       br_ssl_engine_set_chapol(&cc->eng,
+               &br_sslrec_in_chapol_vtable,
+               &br_sslrec_out_chapol_vtable);

 }
 }