From e791b78d23c70800b3c2714d4fc0552414195816 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Wed, 26 Aug 2020 11:17:17 -0700
Subject: [PATCH] Fix to add wrapper for new timing resistant
 `wc_ecc_mulmod_ex2` function version in HW ECC acceleration. Broken in PR
 #2982.

---
 wolfcrypt/src/port/nxp/ksdk_port.c | 9 +++++++++
 wolfcrypt/src/port/st/stm32.c      | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/wolfcrypt/src/port/nxp/ksdk_port.c b/wolfcrypt/src/port/nxp/ksdk_port.c
index 7036f51e8..dd8a88098 100644
--- a/wolfcrypt/src/port/nxp/ksdk_port.c
+++ b/wolfcrypt/src/port/nxp/ksdk_port.c
@@ -768,6 +768,15 @@ int wc_ecc_mulmod_ex(mp_int *k, ecc_point *G, ecc_point *R, mp_int* a,
     return res;
 }
 
+int wc_ecc_mulmod_ex2(mp_int* k, ecc_point *G, ecc_point *R, mp_int* a,
+                      mp_int* modulus, mp_int* order, WC_RNG* rng, int map,
+                      void* heap)
+{
+    (void)order;
+    (void)rng;
+    return wc_ecc_mulmod_ex(k, G, R, a, modulus, map, heap);
+}
+
 int wc_ecc_point_add(ecc_point *mG, ecc_point *mQ, ecc_point *mR, mp_int *m)
 {
     int res;
diff --git a/wolfcrypt/src/port/st/stm32.c b/wolfcrypt/src/port/st/stm32.c
index 552ef454c..17778c097 100644
--- a/wolfcrypt/src/port/st/stm32.c
+++ b/wolfcrypt/src/port/st/stm32.c
@@ -725,6 +725,15 @@ int wc_ecc_mulmod_ex(mp_int *k, ecc_point *G, ecc_point *R, mp_int* a,
     return res;
 }
 
+int wc_ecc_mulmod_ex2(mp_int* k, ecc_point *G, ecc_point *R, mp_int* a,
+                      mp_int* modulus, mp_int* order, WC_RNG* rng, int map,
+                      void* heap)
+{
+    (void)order;
+    (void)rng;
+    return wc_ecc_mulmod_ex(k, G, R, a, modulus, map, heap);
+}
+
 int stm32_ecc_verify_hash_ex(mp_int *r, mp_int *s, const byte* hash,
                     word32 hashlen, int* res, ecc_key* key)
 {