1 files changed, 0 insertions, 123 deletions
diff --git a/third_party/dnspython/dns/entropy.py b/third_party/dnspython/dns/entropy.py
deleted file mode 100644
index d380cf8c0d0..00000000000
--- a/third_party/dnspython/dns/entropy.py
+++ /dev/null
@@ -1,123 +0,0 @@
-# Copyright (C) 2009, 2011 Nominum, Inc.
-#
-# Permission to use, copy, modify, and distribute this software and its
-# documentation for any purpose with or without fee is hereby granted,
-# provided that the above copyright notice and this permission notice
-# appear in all copies.
-#
-# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
-# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
-# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
-# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-import os
-import time
-try:
-    import threading as _threading
-except ImportError:
-    import dummy_threading as _threading
-
-class EntropyPool(object):
-    def __init__(self, seed=None):
-        self.pool_index = 0
-        self.digest = None
-        self.next_byte = 0
-        self.lock = _threading.Lock()
-        try:
-            import hashlib
-            self.hash = hashlib.sha1()
-            self.hash_len = 20
-        except:
-            try:
-                import sha
-                self.hash = sha.new()
-                self.hash_len = 20
-            except:
-                import md5
-                self.hash = md5.new()
-                self.hash_len = 16
-        self.pool = '\0' * self.hash_len
-        if not seed is None:
-            self.stir(seed)
-            self.seeded = True
-        else:
-            self.seeded = False
-
-    def stir(self, entropy, already_locked=False):
-        if not already_locked:
-            self.lock.acquire()
-        try:
-            bytes = [ord(c) for c in self.pool]
-            for c in entropy:
-                if self.pool_index == self.hash_len:
-                    self.pool_index = 0
-                b = ord(c) & 0xff
-                bytes[self.pool_index] ^= b
-                self.pool_index += 1
-            self.pool = ''.join([chr(c) for c in bytes])
-        finally:
-            if not already_locked:
-                self.lock.release()
-
-    def _maybe_seed(self):
-        if not self.seeded:
-            try:
-                seed = os.urandom(16)
-            except:
-                try:
-                    r = file('/dev/urandom', 'r', 0)
-                    try:
-                        seed = r.read(16)
-                    finally:
-                        r.close()
-                except:
-                    seed = str(time.time())
-            self.seeded = True
-            self.stir(seed, True)
-
-    def random_8(self):
-        self.lock.acquire()
-        self._maybe_seed()
-        try:
-            if self.digest is None or self.next_byte == self.hash_len:
-                self.hash.update(self.pool)
-                self.digest = self.hash.digest()
-                self.stir(self.digest, True)
-                self.next_byte = 0
-            value = ord(self.digest[self.next_byte])
-            self.next_byte += 1
-        finally:
-            self.lock.release()
-        return value
-
-    def random_16(self):
-        return self.random_8() * 256 + self.random_8()
-
-    def random_32(self):
-        return self.random_16() * 65536 + self.random_16()
-
-    def random_between(self, first, last):
-        size = last - first + 1
-        if size > 4294967296L:
-            raise ValueError('too big')
-        if size > 65536:
-            rand = self.random_32
-            max = 4294967295L
-        elif size > 256:
-            rand = self.random_16
-            max = 65535
-        else:
-            rand = self.random_8
-            max = 255
-	return (first + size * rand() // (max + 1))
-
-pool = EntropyPool()
-
-def random_16():
-    return pool.random_16()
-
-def between(first, last):
-    return pool.random_between(first, last)