From ab966a72da3406cfe422758e1a165b235c2d7f43 Mon Sep 17 00:00:00 2001
From: Chris Conlon <chris@wolfssl.com>
Date: Fri, 7 Oct 2016 14:14:50 -0600
Subject: [PATCH] fix ecc_check_privkey_gen() parameters with
 WOLFSSL_VALIDATE_ECC_IMPORT

---
 wolfcrypt/src/ecc.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/wolfcrypt/src/ecc.c b/wolfcrypt/src/ecc.c
index c7337610e..02e1ddf97 100644
--- a/wolfcrypt/src/ecc.c
+++ b/wolfcrypt/src/ecc.c
@@ -3811,22 +3811,27 @@ static int ecc_check_privkey_gen(ecc_key* key, mp_int* a, mp_int* prime)
 static int ecc_check_privkey_gen_helper(ecc_key* key)
 {
     mp_int prime;
+    mp_int a;
     int    err;
 
     if (key == NULL)
         return BAD_FUNC_ARG;
 
-    err = mp_init(&prime);
+    err = mp_init_multi(&prime, &a, NULL, NULL, NULL, NULL);
     if (err != MP_OKAY)
         return err;
 
     err = mp_read_radix(&prime, key->dp->prime, 16);
 
     if (err == MP_OKAY)
-        err = ecc_check_privkey_gen(key, &prime);
+        err = mp_read_radix(&a, key->dp->Af, 16);
+
+    if (err == MP_OKAY)
+        err = ecc_check_privkey_gen(key, &a, &prime);
 
 #ifndef USE_FAST_MATH
     mp_clear(&prime);
+    mp_clear(&a);
 #endif
 
     return err;