From ffb80126ffc54a3fabcb07a01396eb0f2fed43b9 Mon Sep 17 00:00:00 2001
From: kaleb-himes <kaleb@wolfssl.com>
Date: Fri, 1 Nov 2019 16:00:06 -0600
Subject: [PATCH] Implement porting efforts from ZD5241 and ZD5815

---
 wolfcrypt/src/wc_port.c      | 13 +++++++++++++
 wolfssl/wolfcrypt/settings.h | 19 ++++++++++++++++++-
 wolfssl/wolfcrypt/wc_port.h  |  2 +-
 3 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/wolfcrypt/src/wc_port.c b/wolfcrypt/src/wc_port.c
index d24a21569..aa26c7e4b 100644
--- a/wolfcrypt/src/wc_port.c
+++ b/wolfcrypt/src/wc_port.c
@@ -1175,6 +1175,19 @@ int wolfSSL_CryptHwMutexUnLock(void) {
         return 0;
     }
 
+    int ebsnet_fseek(int a, long b, int c)
+    {
+        int retval;
+
+        retval = vf_lseek(a, b, c);
+        if (retval > 0)
+            retval = 0;
+        else
+            retval =  -1;
+
+        return(retval);
+    }
+
 #elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
 
     int wc_InitMutex(wolfSSL_Mutex* m)
diff --git a/wolfssl/wolfcrypt/settings.h b/wolfssl/wolfcrypt/settings.h
index 2234c0e64..084753e9e 100644
--- a/wolfssl/wolfcrypt/settings.h
+++ b/wolfssl/wolfcrypt/settings.h
@@ -794,7 +794,24 @@ extern void uITRON4_free(void *p) ;
 
     #define XMALLOC(s, h, type) ((void *)rtp_malloc((s), SSL_PRO_MALLOC))
     #define XFREE(p, h, type) (rtp_free(p))
-    #define XREALLOC(p, n, h, t) realloc((p), (n))
+    #define XREALLOC(p, n, h, t) (rtp_realloc((p), (n)))
+
+    #if (WINMSP3)
+        #define XSTRNCASECMP(s1,s2,n)  _strnicmp((s1),(s2),(n))
+    #else
+        #sslpro: settings.h - please implement XSTRNCASECMP - needed for HAVE_ECC
+    #endif
+
+    #define WOLFSSL_HAVE_MAX
+    #define WOLFSSL_HAVE_MIN
+
+    #define USE_FAST_MATH
+    #define TFM_TIMING_RESISTANT
+    #define WC_RSA_BLINDING
+    #define ECC_TIMING_RESISTANT
+
+    #define HAVE_ECC
+    #define WOLFSSL_STATIC_RSA
 
 #endif /* EBSNET */
 
diff --git a/wolfssl/wolfcrypt/wc_port.h b/wolfssl/wolfcrypt/wc_port.h
index 3a1dd2b8b..c5bb88152 100644
--- a/wolfssl/wolfcrypt/wc_port.h
+++ b/wolfssl/wolfcrypt/wc_port.h
@@ -282,7 +282,7 @@ WOLFSSL_API int wolfCrypt_Cleanup(void);
 
     #define XFILE                    int
     #define XFOPEN(NAME, MODE)       vf_open((const char *)NAME, VO_RDONLY, 0);
-    #define XFSEEK                   vf_lseek
+    #define XFSEEK                   ebsnet_fseek
     #define XFTELL                   vf_tell
     #define XREWIND                  vf_rewind
     #define XFREAD(BUF, SZ, AMT, FD) vf_read(FD, BUF, SZ*AMT)