+++ /dev/null
-From 92e1b96c26a84e503847bdd22ebadf697c4031ad Mon Sep 17 00:00:00 2001
-From: Jouni Malinen <j@w1.fi>
-Date: Sat, 13 Apr 2019 17:20:57 +0300
-Subject: EAP-pwd: Disallow ECC groups with a prime under 256 bits
-
-Based on the SAE implementation guidance update to not allow ECC groups
-with a prime that is under 256 bits, reject groups 25, 26, and 27 in
-EAP-pwd.
-
-Signed-off-by: Jouni Malinen <j@w1.fi>
----
- src/eap_common/eap_pwd_common.c | 13 +++++++++++++
- 1 file changed, 13 insertions(+)
-
---- a/src/eap_common/eap_pwd_common.c
-+++ b/src/eap_common/eap_pwd_common.c
-@@ -85,10 +85,23 @@ static int eap_pwd_kdf(const u8 *key, si
- }
-
-
-+static int eap_pwd_suitable_group(u16 num)
-+{
-+ /* Do not allow ECC groups with prime under 256 bits based on guidance
-+ * for the similar design in SAE. */
-+ return num == 19 || num == 20 || num == 21 ||
-+ num == 28 || num == 29 || num == 30;
-+}
-+
-+
- EAP_PWD_group * get_eap_pwd_group(u16 num)
- {
- EAP_PWD_group *grp;
-
-+ if (!eap_pwd_suitable_group(num)) {
-+ wpa_printf(MSG_INFO, "EAP-pwd: unsuitable group %u", num);
-+ return NULL;
-+ }
- grp = os_zalloc(sizeof(EAP_PWD_group));
- if (!grp)
- return NULL;