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diff --git a/frozen_deps/Crypto/Cipher/ARC4.py b/frozen_deps/Crypto/Cipher/ARC4.py
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--- a/frozen_deps/Crypto/Cipher/ARC4.py
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-# -*- coding: utf-8 -*-
-#
-#  Cipher/ARC4.py : ARC4
-#
-# ===================================================================
-# The contents of this file are dedicated to the public domain.  To
-# the extent that dedication to the public domain is not available,
-# everyone is granted a worldwide, perpetual, royalty-free,
-# non-exclusive license to exercise all rights associated with the
-# contents of this file for any purpose whatsoever.
-# No rights are reserved.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-# ===================================================================
-"""ARC4 symmetric cipher
-
-ARC4_ (Alleged RC4) is an implementation of RC4 (Rivest's Cipher version 4),
-a symmetric stream cipher designed by Ron Rivest in 1987.
-
-The cipher started as a proprietary design, that was reverse engineered and
-anonymously posted on Usenet in 1994. The company that owns RC4 (RSA Data
-Inc.) never confirmed the correctness of the leaked algorithm.
-
-Unlike RC2, the company has never published the full specification of RC4,
-of whom it still holds the trademark.
-
-ARC4 keys can vary in length from 40 to 2048 bits.
-
-One problem of ARC4 is that it does not take a nonce or an IV. If it is required
-to encrypt multiple messages with the same long-term key, a distinct
-independent nonce must be created for each message, and a short-term key must
-be derived from the combination of the long-term key and the nonce.
-Due to the weak key scheduling algorithm of RC2, the combination must be carried
-out with a complex function (e.g. a cryptographic hash) and not by simply
-concatenating key and nonce.
-
-New designs should not use ARC4. A good alternative is AES
-(`Crypto.Cipher.AES`) in any of the modes that turn it into a stream cipher (OFB, CFB, or CTR).
-
-As an example, encryption can be done as follows:
-
-    >>> from Crypto.Cipher import ARC4
-    >>> from Crypto.Hash import SHA
-    >>> from Crypto import Random
-    >>>
-    >>> key = b'Very long and confidential key'
-    >>> nonce = Random.new().read(16)
-    >>> tempkey = SHA.new(key+nonce).digest()
-    >>> cipher = ARC4.new(tempkey)
-    >>> msg = nonce + cipher.encrypt(b'Open the pod bay doors, HAL')
-
-.. _ARC4: http://en.wikipedia.org/wiki/RC4
-
-:undocumented: __revision__, __package__
-"""
-
-__revision__ = "$Id$"
-
-from Crypto.Cipher import _ARC4
-
-class ARC4Cipher:
-    """ARC4 cipher object"""
-
-
-    def __init__(self, key, *args, **kwargs):
-        """Initialize an ARC4 cipher object
-        
-        See also `new()` at the module level."""
-
-        self._cipher = _ARC4.new(key, *args, **kwargs)
-        self.block_size = self._cipher.block_size
-        self.key_size = self._cipher.key_size
-
-    def encrypt(self, plaintext):
-        """Encrypt a piece of data.
-
-        :Parameters:
-          plaintext : byte string
-            The piece of data to encrypt. It can be of any size.
-        :Return: the encrypted data (byte string, as long as the
-          plaintext).
-        """
-        return self._cipher.encrypt(plaintext)
-
-    def decrypt(self, ciphertext):
-        """Decrypt a piece of data.
-
-        :Parameters:
-          ciphertext : byte string
-            The piece of data to decrypt. It can be of any size.
-        :Return: the decrypted data (byte string, as long as the
-          ciphertext).
-        """
-        return self._cipher.decrypt(ciphertext)
-
-def new(key, *args, **kwargs):
-    """Create a new ARC4 cipher
-
-    :Parameters:
-      key : byte string
-        The secret key to use in the symmetric cipher.
-        It can have any length, with a minimum of 40 bytes.
-        Its cryptograpic strength is always capped to 2048 bits (256 bytes).
-
-    :Return: an `ARC4Cipher` object
-    """
-    return ARC4Cipher(key, *args, **kwargs)
-
-#: Size of a data block (in bytes)
-block_size = 1
-#: Size of a key (in bytes)
-key_size = range(1,256+1)
-