diff --git a/src/Base64.cpp b/src/Base64.cpp
new file mode 100644
index 0000000..17aa125
--- /dev/null
+++ b/src/Base64.cpp
@@ -0,0 +1,152 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2015. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+/* ====================================================================
+ * Copyright (c) 1995-1999 The Apache Group.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the Apache Group
+ *    for use in the Apache HTTP server project (http://www.apache.org/)."
+ *
+ * 4. The names "Apache Server" and "Apache Group" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache"
+ *    nor may "Apache" appear in their names without prior written
+ *    permission of the Apache Group.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the Apache Group
+ *    for use in the Apache HTTP server project (http://www.apache.org/)."
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE APACHE GROUP OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Group and was originally based
+ * on public domain software written at the National Center for
+ * Supercomputing Applications, University of Illinois, Urbana-Champaign.
+ * For more information on the Apache Group and the Apache HTTP server
+ * project, please see <http://www.apache.org/>.
+ *
+ */
+
+#include "Base64.h"
+
+namespace nt {
+
+// aaaack but it's fast and const should make it shared text page.
+static const unsigned char pr2six[256] =
+{
+    // ASCII table
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 62, 64, 64, 64, 63,
+    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 64, 64, 64, 64, 64,
+    64,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
+    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 64, 64, 64, 64, 64,
+    64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+    64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
+};
+
+std::size_t Base64Decode(llvm::StringRef encoded, std::string* plain) {
+  const unsigned char *end = encoded.bytes_begin();
+  while (pr2six[*end] <= 63 && end != encoded.bytes_end()) ++end;
+  std::size_t nprbytes = end - encoded.bytes_begin();
+
+  plain->clear();
+  if (nprbytes == 0)
+    return 0;
+  plain->reserve(((nprbytes + 3) / 4) * 3);
+
+  const unsigned char *cur = encoded.bytes_begin();
+
+  while (nprbytes > 4) {
+    (*plain) += (pr2six[cur[0]] << 2 | pr2six[cur[1]] >> 4);
+    (*plain) += (pr2six[cur[1]] << 4 | pr2six[cur[2]] >> 2);
+    (*plain) += (pr2six[cur[2]] << 6 | pr2six[cur[3]]);
+    cur += 4;
+    nprbytes -= 4;
+  }
+
+  // Note: (nprbytes == 1) would be an error, so just ignore that case
+  if (nprbytes > 1) (*plain) += (pr2six[cur[0]] << 2 | pr2six[cur[1]] >> 4);
+  if (nprbytes > 2) (*plain) += (pr2six[cur[1]] << 4 | pr2six[cur[2]] >> 2);
+  if (nprbytes > 3) (*plain) += (pr2six[cur[2]] << 6 | pr2six[cur[3]]);
+
+  return (end - encoded.bytes_begin()) + ((4 - nprbytes) & 3);
+}
+
+static const char basis_64[] =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+void Base64Encode(llvm::StringRef plain, std::string* encoded) {
+  encoded->clear();
+  if (plain.empty())
+    return;
+  std::size_t len = plain.size();
+  encoded->reserve(((len + 2) / 3 * 4) + 1);
+
+  std::size_t i;
+  for (i = 0; (i + 2) < len; i += 3) {
+    (*encoded) += basis_64[(plain[i] >> 2) & 0x3F];
+    (*encoded) +=
+        basis_64[((plain[i] & 0x3) << 4) | ((int)(plain[i + 1] & 0xF0) >> 4)];
+    (*encoded) += basis_64[((plain[i + 1] & 0xF) << 2) |
+                           ((int)(plain[i + 2] & 0xC0) >> 6)];
+    (*encoded) += basis_64[plain[i + 2] & 0x3F];
+  }
+  if (i < len) {
+    (*encoded) += basis_64[(plain[i] >> 2) & 0x3F];
+    if (i == (len - 1)) {
+      (*encoded) += basis_64[((plain[i] & 0x3) << 4)];
+      (*encoded) += '=';
+    } else {
+      (*encoded) +=
+          basis_64[((plain[i] & 0x3) << 4) | ((int)(plain[i + 1] & 0xF0) >> 4)];
+      (*encoded) += basis_64[((plain[i + 1] & 0xF) << 2)];
+    }
+    (*encoded) += '=';
+  }
+}
+
+}  // namespace nt