Diff: wolfcrypt/src/wc_port.c

Revision:

7:481bce714567

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfcrypt/src/wc_port.c	Tue May 02 08:44:47 2017 +0000
@@ -0,0 +1,964 @@
+/* port.c
+ *
+ * Copyright (C) 2006-2016 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
+
+
+#ifdef HAVE_CONFIG_H
+    #include <config.h>
+#endif
+
+#include <wolfssl/wolfcrypt/settings.h>
+#include <wolfssl/wolfcrypt/types.h>
+#include <wolfssl/wolfcrypt/error-crypt.h>
+#include <wolfssl/wolfcrypt/logging.h>
+#include <wolfssl/wolfcrypt/wc_port.h>
+
+/* IPP header files for library initialization */
+#ifdef HAVE_FAST_RSA
+#include <ipp.h>
+#include <ippcp.h>
+#endif
+
+#if defined(FREESCALE_LTC_TFM)
+    #include <wolfssl/wolfcrypt/port/nxp/ksdk_port.h>
+#endif
+
+#ifdef WOLFSSL_ATMEL
+    #include <wolfssl/wolfcrypt/port/atmel/atmel.h>
+#endif
+
+#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
+    #include <wolfssl/openssl/evp.h>
+#endif
+
+#ifdef _MSC_VER
+    /* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */
+    #pragma warning(disable: 4996)
+#endif
+
+/* prevent multiple mutex initializations */
+static volatile int initRefCount = 0;
+
+/* Used to initialize state for wolfcrypt
+   return 0 on success
+ */
+int wolfCrypt_Init(void)
+{
+    int ret = 0;
+
+    if (initRefCount == 0) {
+    #if WOLFSSL_CRYPT_HW_MUTEX
+        /* If crypto hardware mutex protection is enabled, then initialize it */
+        wolfSSL_CryptHwMutexInit();
+    #endif
+
+    /* if defined have fast RSA then initialize Intel IPP */
+    #ifdef HAVE_FAST_RSA
+        WOLFSSL_MSG("Attempting to use optimized IPP Library");
+        if ((ret = ippInit()) != ippStsNoErr) {
+            /* possible to get a CPU feature support status on optimized IPP
+              library but still use default library and see competitive speeds */
+            WOLFSSL_MSG("Warning when trying to set up optimization");
+            WOLFSSL_MSG(ippGetStatusString(ret));
+            WOLFSSL_MSG("Using default fast IPP library");
+            ret = 0;
+            (void)ret; /* suppress not read warning */
+        }
+    #endif
+
+    #if defined(FREESCALE_LTC_TFM) || defined(FREESCALE_LTC_ECC)
+        ksdk_port_init();
+    #endif
+
+    #ifdef WOLFSSL_ATMEL
+        atmel_init();
+    #endif
+
+    #ifdef WOLFSSL_ARMASM
+        WOLFSSL_MSG("Using ARM hardware acceleration");
+    #endif
+
+    #if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
+            wolfSSL_EVP_init();
+    #endif
+
+    #if defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE)
+        if ((ret = wc_LoggingInit()) != 0) {
+            WOLFSSL_MSG("Error creating logging mutex");
+            return ret;
+        }
+    #endif
+
+        initRefCount = 1;
+    }
+
+    return ret;
+}
+
+
+/* return success value is the same as wolfCrypt_Init */
+int wolfCrypt_Cleanup(void)
+{
+    int ret = 0;
+
+    WOLFSSL_ENTER("wolfCrypt_Cleanup");
+
+    #if defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE)
+        ret = wc_LoggingCleanup();
+    #endif
+
+    return ret;
+}
+
+#if !defined(NO_FILESYSTEM) && !defined(NO_WOLFSSL_DIR)
+
+/* File Handling Helpers */
+int wc_ReadDirFirst(ReadDirCtx* ctx, const char* path, char** name)
+{
+    int ret = 0;
+
+    if (name)
+        *name = NULL;
+
+    if (ctx == NULL || path == NULL) {
+        return BAD_FUNC_ARG;
+    }
+
+    XMEMSET(ctx->name, 0, MAX_FILENAME_SZ);
+
+#ifdef USE_WINDOWS_API
+    XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ - 4);
+    XSTRNCAT(ctx->name, "\\*", 3);
+
+    ctx->hFind = FindFirstFileA(ctx->name, &ctx->FindFileData);
+    if (ctx->hFind == INVALID_HANDLE_VALUE) {
+        WOLFSSL_MSG("FindFirstFile for path verify locations failed");
+        return BAD_PATH_ERROR;
+    }
+
+    do {
+        if (ctx->FindFileData.dwFileAttributes != FILE_ATTRIBUTE_DIRECTORY) {
+            XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 3);
+            XSTRNCAT(ctx->name, "\\", 2);
+            XSTRNCAT(ctx->name, ctx->FindFileData.cFileName, MAX_FILENAME_SZ/2);
+            if (name)
+                *name = ctx->name;
+            return 0;
+        }
+    } while (FindNextFileA(ctx->hFind, &ctx->FindFileData));
+#else
+    ctx->dir = opendir(path);
+    if (ctx->dir == NULL) {
+        WOLFSSL_MSG("opendir path verify locations failed");
+        return BAD_PATH_ERROR;
+    }
+
+    while ((ctx->entry = readdir(ctx->dir)) != NULL) {
+        XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 2);
+        XSTRNCAT(ctx->name, "/", 1);
+        XSTRNCAT(ctx->name, ctx->entry->d_name, MAX_FILENAME_SZ/2);
+
+        if (stat(ctx->name, &ctx->s) != 0) {
+            WOLFSSL_MSG("stat on name failed");
+            ret = BAD_PATH_ERROR;
+            break;
+        } else if (ctx->s.st_mode & S_IFREG) {
+            if (name)
+                *name = ctx->name;
+            return 0;
+        }
+    }
+#endif
+    wc_ReadDirClose(ctx);
+
+    return ret;
+}
+
+int wc_ReadDirNext(ReadDirCtx* ctx, const char* path, char** name)
+{
+    int ret = -1;
+
+    if (name)
+        *name = NULL;
+
+    if (ctx == NULL || path == NULL) {
+        return BAD_FUNC_ARG;
+    }
+
+    XMEMSET(ctx->name, 0, MAX_FILENAME_SZ);
+
+#ifdef USE_WINDOWS_API
+    while (FindNextFileA(ctx->hFind, &ctx->FindFileData)) {
+        if (ctx->FindFileData.dwFileAttributes != FILE_ATTRIBUTE_DIRECTORY) {
+            XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 3);
+            XSTRNCAT(ctx->name, "\\", 2);
+            XSTRNCAT(ctx->name, ctx->FindFileData.cFileName, MAX_FILENAME_SZ/2);
+            if (name)
+                *name = ctx->name;
+            return 0;
+        }
+    }
+#else
+    while ((ctx->entry = readdir(ctx->dir)) != NULL) {
+        XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 2);
+        XSTRNCAT(ctx->name, "/", 1);
+        XSTRNCAT(ctx->name, ctx->entry->d_name, MAX_FILENAME_SZ/2);
+
+        if (stat(ctx->name, &ctx->s) != 0) {
+            WOLFSSL_MSG("stat on name failed");
+            ret = BAD_PATH_ERROR;
+            break;
+        } else if (ctx->s.st_mode & S_IFREG) {
+            if (name)
+                *name = ctx->name;
+            return 0;
+        }
+    }
+#endif
+
+    wc_ReadDirClose(ctx);
+
+    return ret;
+}
+
+void wc_ReadDirClose(ReadDirCtx* ctx)
+{
+    if (ctx == NULL) {
+        return;
+    }
+
+#ifdef USE_WINDOWS_API
+    if (ctx->hFind != INVALID_HANDLE_VALUE) {
+        FindClose(ctx->hFind);
+        ctx->hFind = INVALID_HANDLE_VALUE;
+    }
+#else
+    if (ctx->dir) {
+        closedir(ctx->dir);
+        ctx->dir = NULL;
+    }
+#endif
+}
+
+#endif /* !NO_FILESYSTEM && !NO_WOLFSSL_DIR */
+
+
+wolfSSL_Mutex* wc_InitAndAllocMutex()
+{
+    wolfSSL_Mutex* m = (wolfSSL_Mutex*) XMALLOC(sizeof(wolfSSL_Mutex), NULL,
+            DYNAMIC_TYPE_MUTEX);
+    if(m && wc_InitMutex(m))
+        return m;
+    XFREE(m, NULL, DYNAMIC_TYPE_MUTEX);
+    m = NULL;
+    return m;
+}
+
+#if WOLFSSL_CRYPT_HW_MUTEX
+/* Mutex for protection of cryptography hardware */
+static wolfSSL_Mutex wcCryptHwMutex;
+static int wcCryptHwMutexInit = 0;
+
+int wolfSSL_CryptHwMutexInit(void) {
+    int ret = 0;
+    if(wcCryptHwMutexInit == 0) {
+        ret = wc_InitMutex(&wcCryptHwMutex);
+        if(ret == 0) {
+            wcCryptHwMutexInit = 1;
+        }
+    }
+    return ret;
+}
+
+int wolfSSL_CryptHwMutexLock(void) {
+    int ret = BAD_MUTEX_E;
+
+    /* Make sure HW Mutex has been initialized */
+    wolfSSL_CryptHwMutexInit();
+
+    if(wcCryptHwMutexInit) {
+        ret = wc_LockMutex(&wcCryptHwMutex);
+    }
+    return ret;
+}
+
+int wolfSSL_CryptHwMutexUnLock(void) {
+    int ret = BAD_MUTEX_E;
+
+    if(wcCryptHwMutexInit) {
+        ret = wc_UnLockMutex(&wcCryptHwMutex);
+    }
+    return ret;
+}
+#endif /* WOLFSSL_CRYPT_HW_MUTEX */
+
+
+#ifdef SINGLE_THREADED
+
+int wc_InitMutex(wolfSSL_Mutex* m)
+{
+    (void)m;
+    return 0;
+}
+
+int wc_FreeMutex(wolfSSL_Mutex *m)
+{
+    (void)m;
+    return 0;
+}
+
+
+int wc_LockMutex(wolfSSL_Mutex *m)
+{
+    (void)m;
+    return 0;
+}
+
+
+int wc_UnLockMutex(wolfSSL_Mutex *m)
+{
+    (void)m;
+    return 0;
+}
+
+#else /* MULTI_THREAD */
+
+    #if defined(FREERTOS)  || defined(FREERTOS_TCP) || \
+        defined(FREESCALE_FREE_RTOS)
+
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            int iReturn;
+
+            *m = ( wolfSSL_Mutex ) xSemaphoreCreateMutex();
+            if( *m != NULL )
+                iReturn = 0;
+            else
+                iReturn = BAD_MUTEX_E;
+
+            return iReturn;
+        }
+
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            vSemaphoreDelete( *m );
+            return 0;
+        }
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            /* Assume an infinite block, or should there be zero block? */
+            xSemaphoreTake( *m, portMAX_DELAY );
+            return 0;
+        }
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            xSemaphoreGive( *m );
+            return 0;
+        }
+
+    #elif defined(WOLFSSL_SAFERTOS)
+
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            vSemaphoreCreateBinary(m->mutexBuffer, m->mutex);
+            if (m->mutex == NULL)
+                return BAD_MUTEX_E;
+
+            return 0;
+        }
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            (void)m;
+            return 0;
+        }
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            /* Assume an infinite block */
+            xSemaphoreTake(m->mutex, portMAX_DELAY);
+            return 0;
+        }
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            xSemaphoreGive(m->mutex);
+            return 0;
+        }
+
+
+    #elif defined(USE_WINDOWS_API)
+
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            InitializeCriticalSection(m);
+            return 0;
+        }
+
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            DeleteCriticalSection(m);
+            return 0;
+        }
+
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            EnterCriticalSection(m);
+            return 0;
+        }
+
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            LeaveCriticalSection(m);
+            return 0;
+        }
+
+    #elif defined(WOLFSSL_PTHREADS)
+
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            if (pthread_mutex_init(m, 0) == 0)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            if (pthread_mutex_destroy(m) == 0)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            if (pthread_mutex_lock(m) == 0)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            if (pthread_mutex_unlock(m) == 0)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+    #elif defined(THREADX)
+
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            if (tx_mutex_create(m, "wolfSSL Mutex", TX_NO_INHERIT) == 0)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            if (tx_mutex_delete(m) == 0)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            if (tx_mutex_get(m, TX_WAIT_FOREVER) == 0)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            if (tx_mutex_put(m) == 0)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+    #elif defined(MICRIUM)
+
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            #if (NET_SECURE_MGR_CFG_EN == DEF_ENABLED)
+                if (NetSecure_OS_MutexCreate(m) == 0)
+                    return 0;
+                else
+                    return BAD_MUTEX_E;
+            #else
+                return 0;
+            #endif
+        }
+
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            #if (NET_SECURE_MGR_CFG_EN == DEF_ENABLED)
+                if (NetSecure_OS_wc_FreeMutex(m) == 0)
+                    return 0;
+                else
+                    return BAD_MUTEX_E;
+            #else
+                return 0;
+            #endif
+        }
+
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            #if (NET_SECURE_MGR_CFG_EN == DEF_ENABLED)
+                if (NetSecure_OS_wc_LockMutex(m) == 0)
+                    return 0;
+                else
+                    return BAD_MUTEX_E;
+            #else
+                return 0;
+            #endif
+        }
+
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            #if (NET_SECURE_MGR_CFG_EN == DEF_ENABLED)
+                if (NetSecure_OS_wc_UnLockMutex(m) == 0)
+                    return 0;
+                else
+                    return BAD_MUTEX_E;
+            #else
+                return 0;
+            #endif
+
+        }
+
+    #elif defined(EBSNET)
+
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            if (rtp_sig_mutex_alloc(m, "wolfSSL Mutex") == -1)
+                return BAD_MUTEX_E;
+            else
+                return 0;
+        }
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            rtp_sig_mutex_free(*m);
+            return 0;
+        }
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            if (rtp_sig_mutex_claim_timed(*m, RTIP_INF) == 0)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            rtp_sig_mutex_release(*m);
+            return 0;
+        }
+
+    #elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
+
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            if (_mutex_init(m, NULL) == MQX_EOK)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            if (_mutex_destroy(m) == MQX_EOK)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            if (_mutex_lock(m) == MQX_EOK)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            if (_mutex_unlock(m) == MQX_EOK)
+                return 0;
+            else
+                return BAD_MUTEX_E;
+        }
+
+    #elif defined (WOLFSSL_TIRTOS)
+        #include <xdc/runtime/Error.h>
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+           Semaphore_Params params;
+           Error_Block eb;
+           Error_init(&eb);
+           Semaphore_Params_init(&params);
+           params.mode = Semaphore_Mode_BINARY;
+
+           *m = Semaphore_create(1, &params, &eb);
+           if( Error_check( &eb )  )
+           {
+               Error_raise( &eb, Error_E_generic, "Failed to Create the semaphore.",NULL);
+	       return BAD_MUTEX_E;
+           } else return 0;
+        }
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            Semaphore_delete(m);
+
+            return 0;
+        }
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            Semaphore_pend(*m, BIOS_WAIT_FOREVER);
+
+            return 0;
+        }
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            Semaphore_post(*m);
+
+            return 0;
+        }
+
+    #elif defined(WOLFSSL_uITRON4)
+				#include "stddef.h"
+        #include "kernel.h"
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            int iReturn;
+            m->sem.sematr  = TA_TFIFO ;
+            m->sem.isemcnt = 1 ;
+            m->sem.maxsem  = 1 ;
+            m->sem.name    = NULL ;
+
+            m->id = acre_sem(&m->sem);
+            if( m->id != E_OK )
+                iReturn = 0;
+            else
+                iReturn = BAD_MUTEX_E;
+
+            return iReturn;
+        }
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            del_sem( m->id );
+            return 0;
+        }
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            wai_sem(m->id);
+            return 0;
+        }
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            sig_sem(m->id);
+            return 0;
+        }
+
+        /****  uITRON malloc/free ***/
+        static ID ID_wolfssl_MPOOL = 0 ;
+        static T_CMPL wolfssl_MPOOL = {TA_TFIFO, 0, NULL, "wolfSSL_MPOOL"};
+
+        int uITRON4_minit(size_t poolsz) {
+            ER ercd;
+            wolfssl_MPOOL.mplsz = poolsz ;
+            ercd = acre_mpl(&wolfssl_MPOOL);
+            if (ercd > 0) {
+                ID_wolfssl_MPOOL = ercd;
+                return 0;
+            } else {
+                return -1;
+            }
+        }
+
+        void *uITRON4_malloc(size_t sz) {
+            ER ercd;
+            void *p ;
+            ercd = get_mpl(ID_wolfssl_MPOOL, sz, (VP)&p);
+            if (ercd == E_OK) {
+                return p;
+            } else {
+                return 0 ;
+            }
+        }
+
+        void *uITRON4_realloc(void *p, size_t sz) {
+          ER ercd;
+          void *newp ;
+          if(p) {
+              ercd = get_mpl(ID_wolfssl_MPOOL, sz, (VP)&newp);
+              if (ercd == E_OK) {
+                  XMEMCPY(newp, p, sz) ;
+                  ercd = rel_mpl(ID_wolfssl_MPOOL, (VP)p);
+                  if (ercd == E_OK) {
+                      return newp;
+                  }
+              }
+          }
+          return 0 ;
+        }
+
+        void uITRON4_free(void *p) {
+            ER ercd;
+            ercd = rel_mpl(ID_wolfssl_MPOOL, (VP)p);
+            if (ercd == E_OK) {
+                return ;
+            } else {
+                return ;
+            }
+        }
+
+#elif defined(WOLFSSL_uTKERNEL2)
+        #include "tk/tkernel.h"
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            int iReturn;
+            m->sem.sematr  = TA_TFIFO ;
+            m->sem.isemcnt = 1 ;
+            m->sem.maxsem  = 1 ;
+
+            m->id = tk_cre_sem(&m->sem);
+            if( m->id != NULL )
+                iReturn = 0;
+            else
+                iReturn = BAD_MUTEX_E;
+
+            return iReturn;
+        }
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            tk_del_sem( m->id );
+            return 0;
+        }
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            tk_wai_sem(m->id, 1, TMO_FEVR);
+            return 0;
+        }
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            tk_sig_sem(m->id, 1);
+            return 0;
+        }
+
+        /****  uT-Kernel malloc/free ***/
+        static ID ID_wolfssl_MPOOL = 0 ;
+        static T_CMPL wolfssl_MPOOL =
+                     {(void *)NULL,
+        TA_TFIFO , 0,   "wolfSSL_MPOOL"};
+
+        int uTKernel_init_mpool(unsigned int sz) {
+            ER ercd;
+            wolfssl_MPOOL.mplsz = sz ;
+            ercd = tk_cre_mpl(&wolfssl_MPOOL);
+            if (ercd > 0) {
+                ID_wolfssl_MPOOL = ercd;
+                return 0;
+            } else {
+                return -1;
+            }
+        }
+
+        void *uTKernel_malloc(unsigned int sz) {
+            ER ercd;
+            void *p ;
+            ercd = tk_get_mpl(ID_wolfssl_MPOOL, sz, (VP)&p, TMO_FEVR);
+            if (ercd == E_OK) {
+                return p;
+            } else {
+                return 0 ;
+            }
+        }
+
+        void *uTKernel_realloc(void *p, unsigned int sz) {
+          ER ercd;
+          void *newp ;
+          if(p) {
+              ercd = tk_get_mpl(ID_wolfssl_MPOOL, sz, (VP)&newp, TMO_FEVR);
+              if (ercd == E_OK) {
+                  XMEMCPY(newp, p, sz) ;
+                  ercd = tk_rel_mpl(ID_wolfssl_MPOOL, (VP)p);
+                  if (ercd == E_OK) {
+                      return newp;
+                  }
+              }
+          }
+          return 0 ;
+        }
+
+        void uTKernel_free(void *p) {
+            ER ercd;
+            ercd = tk_rel_mpl(ID_wolfssl_MPOOL, (VP)p);
+            if (ercd == E_OK) {
+                return ;
+            } else {
+                return ;
+            }
+        }
+    #elif defined (WOLFSSL_FROSTED)
+        int wc_InitMutex(wolfSSL_Mutex* m) 
+        {
+            *m = mutex_init();
+            if (*m)
+                return 0;
+            else
+                return -1;
+        }
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            mutex_destroy(*m);
+            return(0) ;
+        }
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            mutex_lock(*m);
+            return 0;
+        }
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            mutex_unlock(*m);
+            return 0;
+        }
+    #elif defined(WOLFSSL_MDK_ARM)|| defined(WOLFSSL_CMSIS_RTOS)
+    
+        #if defined(WOLFSSL_CMSIS_RTOS)
+            #include "cmsis_os.h"
+            #define CMSIS_NMUTEX 10
+            osMutexDef(wolfSSL_mt0) ;  osMutexDef(wolfSSL_mt1) ;  osMutexDef(wolfSSL_mt2) ;
+            osMutexDef(wolfSSL_mt3) ;  osMutexDef(wolfSSL_mt4) ;  osMutexDef(wolfSSL_mt5) ;  
+            osMutexDef(wolfSSL_mt6) ;  osMutexDef(wolfSSL_mt7) ;  osMutexDef(wolfSSL_mt8) ;  
+            osMutexDef(wolfSSL_mt9) ;  
+            
+            static const osMutexDef_t *CMSIS_mutex[] = { osMutex(wolfSSL_mt0),   
+                osMutex(wolfSSL_mt1),    osMutex(wolfSSL_mt2),   osMutex(wolfSSL_mt3),    
+                osMutex(wolfSSL_mt4),    osMutex(wolfSSL_mt5),   osMutex(wolfSSL_mt6),
+                osMutex(wolfSSL_mt7),    osMutex(wolfSSL_mt8),    osMutex(wolfSSL_mt9) } ;                 
+            
+            static osMutexId CMSIS_mutexID[CMSIS_NMUTEX] = {0} ;
+
+            int wc_InitMutex(wolfSSL_Mutex* m)
+            {
+                int i ;
+                for (i=0; i<CMSIS_NMUTEX; i++) {
+                    if(CMSIS_mutexID[i] == 0) {
+                        CMSIS_mutexID[i] = osMutexCreate(CMSIS_mutex[i]) ;
+                        (*m) = CMSIS_mutexID[i] ;
+                    return 0 ;
+                    }
+                }
+                return -1 ;
+            }
+
+            int wc_FreeMutex(wolfSSL_Mutex* m)
+            {
+                int i ;
+                osMutexDelete   (*m) ;
+                for (i=0; i<CMSIS_NMUTEX; i++) {
+                    if(CMSIS_mutexID[i] == (*m)) {
+                        CMSIS_mutexID[i] = 0 ;
+                        return(0) ;
+                    }
+                }
+                return(-1) ;
+            }
+
+            int wc_LockMutex(wolfSSL_Mutex* m)
+            {
+                osMutexWait(*m, osWaitForever) ;
+                return(0) ;
+            }
+
+            int wc_UnLockMutex(wolfSSL_Mutex* m)
+            {
+                osMutexRelease (*m);
+                return 0;
+            }
+        #else
+        int wc_InitMutex(wolfSSL_Mutex* m)
+        {
+            os_mut_init (m); 
+            return 0;
+        }
+
+        int wc_FreeMutex(wolfSSL_Mutex* m)
+        {
+            return(0) ;
+        }
+
+        int wc_LockMutex(wolfSSL_Mutex* m)
+        {
+            os_mut_wait (m, 0xffff);
+            return(0) ;
+        }
+
+        int wc_UnLockMutex(wolfSSL_Mutex* m)
+        {
+            os_mut_release (m);
+            return 0;
+        }
+        #endif
+    #endif /* USE_WINDOWS_API */
+
+#endif /* SINGLE_THREADED */
+        
+#if defined(WOLFSSL_TI_CRYPT) ||  defined(WOLFSSL_TI_HASH)
+    #include <wolfcrypt/src/port/ti/ti-ccm.c>  /* initialize and Mutex for TI Crypt Engine */
+    #include <wolfcrypt/src/port/ti/ti-hash.c> /* md5, sha1, sha224, sha256 */
+#endif
+