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diff --git a/wolfssl/wolfcrypt/des3.h b/wolfssl/wolfcrypt/des3.h
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+/* des3.h
+ *
+ * Copyright (C) 2006-2020 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
+ */
+
+/*!
+    \file wolfssl/wolfcrypt/des3.h
+*/
+
+#ifndef WOLF_CRYPT_DES3_H
+#define WOLF_CRYPT_DES3_H
+
+#include <wolfssl/wolfcrypt/types.h>
+
+#ifndef NO_DES3
+
+#if defined(HAVE_FIPS) && \
+    defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
+    #include <wolfssl/wolfcrypt/fips.h>
+#endif /* HAVE_FIPS_VERSION >= 2 */
+
+#if defined(HAVE_FIPS) && \
+	(!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
+/* included for fips @wc_fips */
+#include <cyassl/ctaocrypt/des3.h>
+#endif
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+/* these are required for FIPS and non-FIPS */
+enum {
+    DES_KEY_SIZE        =  8,  /* des                     */
+    DES3_KEY_SIZE       = 24,  /* 3 des ede               */
+    DES_IV_SIZE         =  8,  /* should be the same as DES_BLOCK_SIZE */
+};
+
+
+/* avoid redefinition of structs */
+#if !defined(HAVE_FIPS) || \
+    (defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
+
+#ifdef WOLFSSL_ASYNC_CRYPT
+    #include <wolfssl/wolfcrypt/async.h>
+#endif
+
+enum {
+    DES_ENC_TYPE    = WC_CIPHER_DES,     /* cipher unique type */
+    DES3_ENC_TYPE   = WC_CIPHER_DES3,    /* cipher unique type */
+
+    DES_BLOCK_SIZE  = 8,
+    DES_KS_SIZE     = 32,    /* internal DES key buffer size */
+
+    DES_ENCRYPTION  = 0,
+    DES_DECRYPTION  = 1
+};
+
+#define DES_IVLEN 8
+#define DES_KEYLEN 8
+#define DES3_IVLEN 8
+#define DES3_KEYLEN 24
+
+
+#if defined(STM32_CRYPTO)
+enum {
+    DES_CBC = 0,
+    DES_ECB = 1
+};
+#endif
+
+
+/* DES encryption and decryption */
+typedef struct Des {
+    word32 reg[DES_BLOCK_SIZE / sizeof(word32)];      /* for CBC mode */
+    word32 tmp[DES_BLOCK_SIZE / sizeof(word32)];      /* same         */
+    word32 key[DES_KS_SIZE];
+} Des;
+
+
+/* DES3 encryption and decryption */
+struct Des3 {
+    word32 key[3][DES_KS_SIZE];
+    word32 reg[DES_BLOCK_SIZE / sizeof(word32)];      /* for CBC mode */
+    word32 tmp[DES_BLOCK_SIZE / sizeof(word32)];      /* same         */
+#ifdef WOLFSSL_ASYNC_CRYPT
+    WC_ASYNC_DEV asyncDev;
+#endif
+#if defined(WOLF_CRYPTO_CB) || \
+    (defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES))
+    word32 devKey[DES3_KEYLEN/sizeof(word32)]; /* raw key */
+#endif
+#ifdef WOLF_CRYPTO_CB
+    int    devId;
+    void*  devCtx;
+#endif
+    void* heap;
+};
+
+#ifndef WC_DES3_TYPE_DEFINED
+    typedef struct Des3 Des3;
+    #define WC_DES3_TYPE_DEFINED
+#endif
+#endif /* HAVE_FIPS */
+
+
+WOLFSSL_API int  wc_Des_SetKey(Des* des, const byte* key,
+                               const byte* iv, int dir);
+WOLFSSL_API void wc_Des_SetIV(Des* des, const byte* iv);
+WOLFSSL_API int  wc_Des_CbcEncrypt(Des* des, byte* out,
+                                   const byte* in, word32 sz);
+WOLFSSL_API int  wc_Des_CbcDecrypt(Des* des, byte* out,
+                                   const byte* in, word32 sz);
+WOLFSSL_API int  wc_Des_EcbEncrypt(Des* des, byte* out,
+                                   const byte* in, word32 sz);
+WOLFSSL_API int wc_Des3_EcbEncrypt(Des3* des, byte* out,
+                                   const byte* in, word32 sz);
+
+/* ECB decrypt same process as encrypt but with decrypt key */
+#define wc_Des_EcbDecrypt  wc_Des_EcbEncrypt
+#define wc_Des3_EcbDecrypt wc_Des3_EcbEncrypt
+
+WOLFSSL_API int  wc_Des3_SetKey(Des3* des, const byte* key,
+                                const byte* iv,int dir);
+WOLFSSL_API int  wc_Des3_SetIV(Des3* des, const byte* iv);
+WOLFSSL_API int  wc_Des3_CbcEncrypt(Des3* des, byte* out,
+                                    const byte* in,word32 sz);
+WOLFSSL_API int  wc_Des3_CbcDecrypt(Des3* des, byte* out,
+                                    const byte* in,word32 sz);
+
+/* These are only required when using either:
+  static memory (WOLFSSL_STATIC_MEMORY) or asynchronous (WOLFSSL_ASYNC_CRYPT) */
+WOLFSSL_API int  wc_Des3Init(Des3*, void*, int);
+WOLFSSL_API void wc_Des3Free(Des3*);
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* NO_DES3 */
+#endif /* WOLF_CRYPT_DES3_H */
+