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-rw-r--r--lib/libssl/t1_lib.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/lib/libssl/t1_lib.c b/lib/libssl/t1_lib.c
index 6a2b082d021..1191f9201e9 100644
--- a/lib/libssl/t1_lib.c
+++ b/lib/libssl/t1_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: t1_lib.c,v 1.168 2020/07/07 19:31:11 jsing Exp $ */
+/* $OpenBSD: t1_lib.c,v 1.169 2020/08/09 16:25:54 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -242,7 +242,14 @@ static const uint16_t eccurves_list[] = {
};
#endif
-static const uint16_t eccurves_default[] = {
+static const uint16_t eccurves_client_default[] = {
+ 29, /* X25519 (29) */
+ 23, /* secp256r1 (23) */
+ 24, /* secp384r1 (24) */
+ 25, /* secp521r1 (25) */
+};
+
+static const uint16_t eccurves_server_default[] = {
29, /* X25519 (29) */
23, /* secp256r1 (23) */
24, /* secp384r1 (24) */
@@ -366,9 +373,15 @@ tls1_get_group_list(SSL *s, int client_groups, const uint16_t **pgroups,
*pgroups = s->internal->tlsext_supportedgroups;
*pgroupslen = s->internal->tlsext_supportedgroups_length;
- if (*pgroups == NULL) {
- *pgroups = eccurves_default;
- *pgroupslen = sizeof(eccurves_default) / 2;
+ if (*pgroups != NULL)
+ return;
+
+ if (!s->server) {
+ *pgroups = eccurves_client_default;
+ *pgroupslen = sizeof(eccurves_client_default) / 2;
+ } else {
+ *pgroups = eccurves_server_default;
+ *pgroupslen = sizeof(eccurves_server_default) / 2;
}
}