updated pycrypto

modules/Crypto/Cipher/ARC4.py

@@ -63,7 +63,6 @@ As an example, encryption can be done as follows:
 
 __revision__ = "$Id$"
 
-from Crypto.Util.py3compat import *
 from Crypto.Cipher import _ARC4
 
 class ARC4Cipher:
@@ -75,18 +74,7 @@ class ARC4Cipher:
         
         See also `new()` at the module level."""
 
-        if len(args)>0:
-            ndrop = args[0]
-            args = args[1:]
-        else:
-            ndrop = kwargs.get('drop', 0)
-            if ndrop: del kwargs['drop'] 
         self._cipher = _ARC4.new(key, *args, **kwargs)
-        if ndrop:
-            # This is OK even if the cipher is used for decryption, since encrypt
-            # and decrypt are actually the same thing with ARC4.
-            self._cipher.encrypt(b('\x00')*ndrop)
-
         self.block_size = self._cipher.block_size
         self.key_size = self._cipher.key_size
 
@@ -120,17 +108,8 @@ def new(key, *args, **kwargs):
         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).
-    :Keywords:
-      drop : integer
-        The amount of bytes to discard from the initial part of the keystream.
-        In fact, such part has been found to be distinguishable from random
-        data (while it shouldn't) and also correlated to key.
-        
-        The recommended value is 3072_ bytes. The default value is 0.
 
     :Return: an `ARC4Cipher` object
-
-    .. _3072: http://eprint.iacr.org/2002/067.pdf
     """
     return ARC4Cipher(key, *args, **kwargs)