supp: reset ptk on pmk install

Kilio22 · MathisMARION · commit 04ada438b68e · 2025-02-04T10:16:01.000+01:00
diff --git a/app_wsrd/supplicant/supplicant.c b/app_wsrd/supplicant/supplicant.c
@@ -122,6 +122,9 @@ static void supp_mbedtls_export_keys(void *p_expkey, mbedtls_ssl_key_export_type
      * potential retransmissions.
      */
     supp->replay_counter = -1;
+
+    // Reset PTK to prevent replay of EAPoL-Key frames with the old PTK.
+    memset(supp->ptk, 0, sizeof(supp->ptk));
 }
 
 static void supp_mbedtls_debug(void *ctx, int level, const char *file, int line, const char *string)

Original file line number	Diff line number	Diff line change
`@@ -122,6 +122,9 @@ static void supp_mbedtls_export_keys(void *p_expkey, mbedtls_ssl_key_export_type`
`122`	`122`	`* potential retransmissions.`
`123`	`123`	`*/`
`124`	`124`	`supp->replay_counter = -1;`
	`125`	`+`
	`126`	`+ // Reset PTK to prevent replay of EAPoL-Key frames with the old PTK.`
	`127`	`+ memset(supp->ptk, 0, sizeof(supp->ptk));`
`125`	`128`	`}`
`126`	`129`
`127`	`130`	`static void supp_mbedtls_debug(void ctx, int level, const char file, int line, const char *string)`