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diff --git a/mobile/android/thirdparty/org/mozilla/apache/commons/codec/binary/Hex.java b/mobile/android/thirdparty/org/mozilla/apache/commons/codec/binary/Hex.java
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+++ b/mobile/android/thirdparty/org/mozilla/apache/commons/codec/binary/Hex.java
@@ -0,0 +1,302 @@
+// Mozilla has modified this file - see http://hg.mozilla.org/ for details.
+/*
+ * 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.
+ */
+
+package org.mozilla.apache.commons.codec.binary;
+
+import java.io.UnsupportedEncodingException;
+
+import org.mozilla.apache.commons.codec.BinaryDecoder;
+import org.mozilla.apache.commons.codec.BinaryEncoder;
+import org.mozilla.apache.commons.codec.CharEncoding;
+import org.mozilla.apache.commons.codec.DecoderException;
+import org.mozilla.apache.commons.codec.EncoderException;
+
+/**
+ * Converts hexadecimal Strings. The charset used for certain operation can be set, the default is set in
+ * {@link #DEFAULT_CHARSET_NAME}
+ * 
+ * @since 1.1
+ * @author Apache Software Foundation
+ * @version $Id: Hex.java 1080701 2011-03-11 17:52:27Z ggregory $
+ */
+public class Hex implements BinaryEncoder, BinaryDecoder {
+
+    /**
+     * Default charset name is {@link CharEncoding#UTF_8}
+     * 
+     * @since 1.4
+     */
+    public static final String DEFAULT_CHARSET_NAME = CharEncoding.UTF_8;
+
+    /**
+     * Used to build output as Hex
+     */
+    private static final char[] DIGITS_LOWER = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
+
+    /**
+     * Used to build output as Hex
+     */
+    private static final char[] DIGITS_UPPER = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
+
+    /**
+     * Converts an array of characters representing hexadecimal values into an array of bytes of those same values. The
+     * returned array will be half the length of the passed array, as it takes two characters to represent any given
+     * byte. An exception is thrown if the passed char array has an odd number of elements.
+     * 
+     * @param data
+     *            An array of characters containing hexadecimal digits
+     * @return A byte array containing binary data decoded from the supplied char array.
+     * @throws DecoderException
+     *             Thrown if an odd number or illegal of characters is supplied
+     */
+    public static byte[] decodeHex(char[] data) throws DecoderException {
+
+        int len = data.length;
+
+        if ((len & 0x01) != 0) {
+            throw new DecoderException("Odd number of characters.");
+        }
+
+        byte[] out = new byte[len >> 1];
+
+        // two characters form the hex value.
+        for (int i = 0, j = 0; j < len; i++) {
+            int f = toDigit(data[j], j) << 4;
+            j++;
+            f = f | toDigit(data[j], j);
+            j++;
+            out[i] = (byte) (f & 0xFF);
+        }
+
+        return out;
+    }
+
+    /**
+     * Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.
+     * The returned array will be double the length of the passed array, as it takes two characters to represent any
+     * given byte.
+     * 
+     * @param data
+     *            a byte[] to convert to Hex characters
+     * @return A char[] containing hexadecimal characters
+     */
+    public static char[] encodeHex(byte[] data) {
+        return encodeHex(data, true);
+    }
+
+    /**
+     * Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.
+     * The returned array will be double the length of the passed array, as it takes two characters to represent any
+     * given byte.
+     * 
+     * @param data
+     *            a byte[] to convert to Hex characters
+     * @param toLowerCase
+     *            <code>true</code> converts to lowercase, <code>false</code> to uppercase
+     * @return A char[] containing hexadecimal characters
+     * @since 1.4
+     */
+    public static char[] encodeHex(byte[] data, boolean toLowerCase) {
+        return encodeHex(data, toLowerCase ? DIGITS_LOWER : DIGITS_UPPER);
+    }
+
+    /**
+     * Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.
+     * The returned array will be double the length of the passed array, as it takes two characters to represent any
+     * given byte.
+     * 
+     * @param data
+     *            a byte[] to convert to Hex characters
+     * @param toDigits
+     *            the output alphabet
+     * @return A char[] containing hexadecimal characters
+     * @since 1.4
+     */
+    protected static char[] encodeHex(byte[] data, char[] toDigits) {
+        int l = data.length;
+        char[] out = new char[l << 1];
+        // two characters form the hex value.
+        for (int i = 0, j = 0; i < l; i++) {
+            out[j++] = toDigits[(0xF0 & data[i]) >>> 4];
+            out[j++] = toDigits[0x0F & data[i]];
+        }
+        return out;
+    }
+
+    /**
+     * Converts an array of bytes into a String representing the hexadecimal values of each byte in order. The returned
+     * String will be double the length of the passed array, as it takes two characters to represent any given byte.
+     * 
+     * @param data
+     *            a byte[] to convert to Hex characters
+     * @return A String containing hexadecimal characters
+     * @since 1.4
+     */
+    public static String encodeHexString(byte[] data) {
+        return new String(encodeHex(data));
+    }
+
+    /**
+     * Converts a hexadecimal character to an integer.
+     * 
+     * @param ch
+     *            A character to convert to an integer digit
+     * @param index
+     *            The index of the character in the source
+     * @return An integer
+     * @throws DecoderException
+     *             Thrown if ch is an illegal hex character
+     */
+    protected static int toDigit(char ch, int index) throws DecoderException {
+        int digit = Character.digit(ch, 16);
+        if (digit == -1) {
+            throw new DecoderException("Illegal hexadecimal character " + ch + " at index " + index);
+        }
+        return digit;
+    }
+
+    private final String charsetName;
+
+    /**
+     * Creates a new codec with the default charset name {@link #DEFAULT_CHARSET_NAME}
+     */
+    public Hex() {
+        // use default encoding
+        this.charsetName = DEFAULT_CHARSET_NAME;
+    }
+
+    /**
+     * Creates a new codec with the given charset name.
+     * 
+     * @param csName
+     *            the charset name.
+     * @since 1.4
+     */
+    public Hex(String csName) {
+        this.charsetName = csName;
+    }
+
+    /**
+     * Converts an array of character bytes representing hexadecimal values into an array of bytes of those same values.
+     * The returned array will be half the length of the passed array, as it takes two characters to represent any given
+     * byte. An exception is thrown if the passed char array has an odd number of elements.
+     * 
+     * @param array
+     *            An array of character bytes containing hexadecimal digits
+     * @return A byte array containing binary data decoded from the supplied byte array (representing characters).
+     * @throws DecoderException
+     *             Thrown if an odd number of characters is supplied to this function
+     * @see #decodeHex(char[])
+     */
+    public byte[] decode(byte[] array) throws DecoderException {
+        try {
+            return decodeHex(new String(array, getCharsetName()).toCharArray());
+        } catch (UnsupportedEncodingException e) {
+            throw new DecoderException(e.getMessage(), e);
+        }
+    }
+
+    /**
+     * Converts a String or an array of character bytes representing hexadecimal values into an array of bytes of those
+     * same values. The returned array will be half the length of the passed String or array, as it takes two characters
+     * to represent any given byte. An exception is thrown if the passed char array has an odd number of elements.
+     * 
+     * @param object
+     *            A String or, an array of character bytes containing hexadecimal digits
+     * @return A byte array containing binary data decoded from the supplied byte array (representing characters).
+     * @throws DecoderException
+     *             Thrown if an odd number of characters is supplied to this function or the object is not a String or
+     *             char[]
+     * @see #decodeHex(char[])
+     */
+    public Object decode(Object object) throws DecoderException {
+        try {
+            char[] charArray = object instanceof String ? ((String) object).toCharArray() : (char[]) object;
+            return decodeHex(charArray);
+        } catch (ClassCastException e) {
+            throw new DecoderException(e.getMessage(), e);
+        }
+    }
+
+    /**
+     * Converts an array of bytes into an array of bytes for the characters representing the hexadecimal values of each
+     * byte in order. The returned array will be double the length of the passed array, as it takes two characters to
+     * represent any given byte.
+     * <p>
+     * The conversion from hexadecimal characters to the returned bytes is performed with the charset named by
+     * {@link #getCharsetName()}.
+     * </p>
+     * 
+     * @param array
+     *            a byte[] to convert to Hex characters
+     * @return A byte[] containing the bytes of the hexadecimal characters
+     * @throws IllegalStateException
+     *             if the charsetName is invalid. This API throws {@link IllegalStateException} instead of
+     *             {@link UnsupportedEncodingException} for backward compatibility.
+     * @see #encodeHex(byte[])
+     */
+    public byte[] encode(byte[] array) {
+        return StringUtils.getBytesUnchecked(encodeHexString(array), getCharsetName());
+    }
+
+    /**
+     * Converts a String or an array of bytes into an array of characters representing the hexadecimal values of each
+     * byte in order. The returned array will be double the length of the passed String or array, as it takes two
+     * characters to represent any given byte.
+     * <p>
+     * The conversion from hexadecimal characters to bytes to be encoded to performed with the charset named by
+     * {@link #getCharsetName()}.
+     * </p>
+     * 
+     * @param object
+     *            a String, or byte[] to convert to Hex characters
+     * @return A char[] containing hexadecimal characters
+     * @throws EncoderException
+     *             Thrown if the given object is not a String or byte[]
+     * @see #encodeHex(byte[])
+     */
+    public Object encode(Object object) throws EncoderException {
+        try {
+            byte[] byteArray = object instanceof String ? ((String) object).getBytes(getCharsetName()) : (byte[]) object;
+            return encodeHex(byteArray);
+        } catch (ClassCastException e) {
+            throw new EncoderException(e.getMessage(), e);
+        } catch (UnsupportedEncodingException e) {
+            throw new EncoderException(e.getMessage(), e);
+        }
+    }
+
+    /**
+     * Gets the charset name.
+     * 
+     * @return the charset name.
+     * @since 1.4
+     */
+    public String getCharsetName() {
+        return this.charsetName;
+    }
+
+    /**
+     * Returns a string representation of the object, which includes the charset name.
+     * 
+     * @return a string representation of the object.
+     */
+    public String toString() {
+        return super.toString() + "[charsetName=" + this.charsetName + "]";
+    }
+}