diff --git a/include/resolv.h b/include/resolv.h
new file mode 100644
index 0000000000..5ea6dadfbb
--- /dev/null
+++ b/include/resolv.h
@@ -0,0 +1,49 @@
+/****************************************************************************
+ * include/resolv.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_RESOLV_H
+#define __INCLUDE_RESOLV_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stddef.h>
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+int b64_ntop(FAR const unsigned char *src, size_t srclen,
+             FAR char *target, size_t targsize);
+
+int b64_pton(FAR const char *src,
+             FAR unsigned char *target, size_t targsize);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __INCLUDE_RESOLV_H */
diff --git a/libs/libc/net/Make.defs b/libs/libc/net/Make.defs
index cc96901e2b..4820b9df63 100644
--- a/libs/libc/net/Make.defs
+++ b/libs/libc/net/Make.defs
@@ -35,7 +35,7 @@
 
 # Add the networking C files to the build
 
-CSRCS += lib_addrconfig.c lib_htons.c lib_htonl.c
+CSRCS += lib_addrconfig.c lib_base64.c lib_htons.c lib_htonl.c
 CSRCS += lib_inetaddr.c lib_inetaton.c lib_inetntoa.c
 CSRCS += lib_inetntop.c lib_inetpton.c
 CSRCS += lib_etherntoa.c lib_etheraton.c
diff --git a/libs/libc/net/lib_base64.c b/libs/libc/net/lib_base64.c
new file mode 100644
index 0000000000..97e360212d
--- /dev/null
+++ b/libs/libc/net/lib_base64.c
@@ -0,0 +1,226 @@
+/****************************************************************************
+ * libs/libc/net/lib_base64.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <ctype.h>
+#include <resolv.h>
+#include <string.h>
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static const char g_base64[] =
+  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+static const char g_pad64 = '=';
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int b64_ntop(FAR const unsigned char *src, size_t srclen,
+             FAR char *target, size_t targsize)
+{
+  size_t datalen = 0;
+
+  while (srclen >= 3)
+    {
+      if ((datalen += 4) >= targsize)
+        {
+          return -1;
+        }
+
+      *target++ = g_base64[src[0] >> 2];
+      *target++ = g_base64[((src[0] & 0x03) << 4) + (src[1] >> 4)];
+      *target++ = g_base64[((src[1] & 0x0f) << 2) + (src[2] >> 6)];
+      *target++ = g_base64[src[2] & 0x3f];
+
+      src += 3;
+      srclen -= 3;
+    }
+
+  if (srclen != 0)
+    {
+      if ((datalen += 4) >= targsize)
+        {
+          return -1;
+        }
+
+     *target++ = g_base64[src[0] >> 2];
+     if (srclen == 1)
+       {
+         *target++ = g_base64[(src[0] & 0x03) << 4];
+         *target++ = g_pad64;
+       }
+     else
+       {
+         *target++ = g_base64[((src[0] & 0x03) << 4) + (src[1] >> 4)];
+         *target++ = g_base64[(src[1] & 0x0f) << 2];
+       }
+
+    *target++ = g_pad64;
+  }
+
+  *target = '\0';
+  return datalen;
+}
+
+int b64_pton(FAR const char *src,
+             FAR unsigned char *target, size_t targsize)
+{
+  FAR char *pos;
+  size_t datalen = 0;
+  int state = 0;
+  int ch;
+
+  while ((ch = *src++) != '\0')
+    {
+      if (isspace(ch))
+        {
+          continue;
+        }
+
+      if (ch == g_pad64)
+        {
+          break;
+        }
+
+      pos = strchr(g_base64, ch);
+      if (pos == NULL)
+        {
+          return -1;
+        }
+
+      switch (state)
+        {
+          case 0:
+            if (target)
+              {
+                if (datalen >= targsize)
+                  {
+                    return -1;
+                  }
+
+                *target = (pos - g_base64) << 2;
+              }
+
+            state = 1;
+            break;
+
+          case 1:
+            if (target)
+              {
+                if ((datalen += 1) >= targsize)
+                  {
+                    return -1;
+                  }
+
+                *target++ |=  (pos - g_base64) >> 4;
+                *target    = ((pos - g_base64) & 0x0f) << 4;
+              }
+
+            state = 2;
+            break;
+
+          case 2:
+            if (target)
+              {
+                if ((datalen += 1) >= targsize)
+                  {
+                    return -1;
+                  }
+
+                *target++ |=  (pos - g_base64) >> 2;
+                *target    = ((pos - g_base64) & 0x03) << 6;
+              }
+
+            state = 3;
+            break;
+
+          case 3:
+            if (target)
+              {
+                *target++ |= pos - g_base64;
+              }
+
+            datalen++;
+            state = 0;
+            break;
+
+          default:
+            return -1;
+        }
+      }
+
+  if (ch == g_pad64)
+    {
+      ch = *src++;
+      switch (state)
+        {
+          case 0:
+          case 1:
+            return -1;
+
+          case 2:
+            for (; ch != '\0'; ch = *src++)
+              {
+                if (!isspace(ch))
+                  {
+                    break;
+                  }
+              }
+
+            if (ch != g_pad64)
+              {
+                return -1;
+              }
+
+            ch = *src++;
+
+            /* FALLTHROUGH */
+
+          case 3:
+            for (; ch != '\0'; ch = *src++)
+              {
+                if (!isspace(ch))
+                  {
+                    return -1;
+                  }
+              }
+
+           if (target && *target != 0)
+             {
+               return -1;
+             }
+        }
+    }
+  else
+    {
+       if (state != 0)
+         {
+           return -1;
+         }
+    }
+
+  return datalen;
+}