diff --git a/src/ssl.c b/src/ssl.c
index 460bb26d4..fee006231 100755
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -16095,15 +16095,40 @@ void wolfSSL_DES_set_odd_parity(WOLFSSL_DES_cblock* myDes)
 }
 
 
+#ifdef WOLFSSL_DES_ECB
+/* Encrpyt or decrypt input message desa with key and get output in desb. 
+ * if enc is DES_ENCRYPT,input message is encrypted or
+ * if enc is DES_DECRYPT,input message is decrypted.
+ * */
 void wolfSSL_DES_ecb_encrypt(WOLFSSL_DES_cblock* desa,
-             WOLFSSL_DES_cblock* desb, WOLFSSL_DES_key_schedule* key, int len)
+             WOLFSSL_DES_cblock* desb, WOLFSSL_DES_key_schedule* key, int enc)
 {
-    (void)desa;
-    (void)desb;
-    (void)key;
-    (void)len;
-    WOLFSSL_STUB("wolfSSL_DES_ecb_encrypt");
+    WOLFSSL_ENTER("wolfSSL_DES_ecb_encrypt");
+
+    Des myDes;
+    if (desa == NULL || key == NULL || desb == NULL ||
+        (enc != DES_ENCRYPT && enc != DES_DECRYPT)) {
+        WOLFSSL_MSG("Bad argument passed to wolfSSL_DES_ecb_encrypt");
+    } else {
+        if (wc_Des_SetKey(&myDes, (const byte*) key,
+                           (const byte*) NULL, !enc) != 0) {
+            WOLFSSL_MSG("wc_Des_SetKey return error.");
+            return;
+        }
+        if (enc){
+            if (wc_Des_EcbEncrypt(&myDes, (byte*) desb,
+                                   (const byte*) desa, sizeof(desa)) != 0){
+                WOLFSSL_MSG("wc_Des_EcbEncrpyt return error.");
+            }
+        } else {
+            if (wc_Des_EcbDecrypt(&myDes, (byte*) desb,
+                                   (const byte*) desa, sizeof(desa)) != 0){
+                WOLFSSL_MSG("wc_Des_EcbDecrpyt return error.");
+            }
+        }
+    }
 }
+#endif
 
 #endif /* NO_DES3 */
 
diff --git a/tests/api.c b/tests/api.c
index 37b1f41d1..3aa52b633 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -3038,7 +3038,39 @@ static void test_wolfSSL_BIO(void)
     #endif
 }
 
+static void test_wolfSSL_DES_ecb_encrypt(void)
+{
+    #if defined(OPENSSL_EXTRA) && !defined(NO_DES3) && defined(WOLFSSL_DES_ECB)
+    WOLFSSL_DES_cblock input1,input2,output1,output2,back1,back2;
+    WOLFSSL_DES_key_schedule key;
 
+    printf(testingFmt, "wolfSSL_DES_ecb_encrypt()");
+
+    XMEMCPY(key,"12345678",sizeof(WOLFSSL_DES_key_schedule));
+    XMEMCPY(input1, "Iamhuman",sizeof(WOLFSSL_DES_cblock));
+    XMEMCPY(input2, "Whoisit?",sizeof(WOLFSSL_DES_cblock));
+    XMEMSET(output1, 0, sizeof(WOLFSSL_DES_cblock));
+    XMEMSET(output2, 0, sizeof(WOLFSSL_DES_cblock));
+    XMEMSET(back1, 0, sizeof(WOLFSSL_DES_cblock));
+    XMEMSET(back2, 0, sizeof(WOLFSSL_DES_cblock));
+
+    /* Encrypt messages */
+    wolfSSL_DES_ecb_encrypt(&input1,&output1,&key,DES_ENCRYPT);
+    wolfSSL_DES_ecb_encrypt(&input2,&output2,&key,DES_ENCRYPT);
+
+    /* Decrypt messages */
+    int ret1 = 0;
+    int ret2 = 0; 
+    wolfSSL_DES_ecb_encrypt(&output1,&back1,&key,DES_DECRYPT);
+    ret1 = memcmp((unsigned char *) back1,(unsigned char *) input1,sizeof(WOLFSSL_DES_cblock));
+    AssertIntEQ(ret1,0);
+    wolfSSL_DES_ecb_encrypt(&output2,&back2,&key,DES_DECRYPT);
+    ret2 = memcmp((unsigned char *) back2,(unsigned char *) input2,sizeof(WOLFSSL_DES_cblock));
+    AssertIntEQ(ret2,0);
+
+    printf(resultFmt, passed);
+    #endif
+}
 /*----------------------------------------------------------------------------*
  | wolfCrypt ASN
  *----------------------------------------------------------------------------*/
@@ -3397,7 +3429,7 @@ void ApiTest(void)
     test_wolfSSL_set_options();
     test_wolfSSL_PEM_read_bio();
     test_wolfSSL_BIO();
-
+    test_wolfSSL_DES_ecb_encrypt();
     AssertIntEQ(test_wolfSSL_Cleanup(), SSL_SUCCESS);
 
     /* wolfCrypt ASN tests */