The attached patch based on Gary van der Merwe's patch updates the paramiko package to avoid RandomPool.
=== modified file 'debian/changelog' --- debian/changelog 2010-07-17 04:20:47 +0000 +++ debian/changelog 2010-11-09 09:17:58 +0000 @@ -1,3 +1,10 @@ +paramiko (1.7.6-6) UNRELEASED; urgency=low + + * Avoid deprecated RandomPool. Patch by Gary van der Merwe. Closes: + #576697, LP: #271791. + + -- Jelmer Vernooij <jel...@debian.org> Tue, 09 Nov 2010 10:12:18 +0100 + paramiko (1.7.6-5) unstable; urgency=low * debian/control: Fix python-crypto version dependency
=== added directory 'debian/patches'
=== added file 'debian/patches/no-randompool.patch'
--- debian/patches/no-randompool.patch 1970-01-01 00:00:00 +0000
+++ debian/patches/no-randompool.patch 2010-11-09 09:07:44 +0000
@@ -0,0 +1,780 @@
+=== modified file 'a/paramiko/__init__.py'
+--- a/paramiko/__init__.py 2010-04-26 00:05:06 +0000
++++ b/paramiko/__init__.py 2010-08-02 22:13:08 +0000
+@@ -66,7 +66,7 @@
+ __license__ = "GNU Lesser General Public License (LGPL)"
+
+
+-from transport import randpool, SecurityOptions, Transport
++from transport import SecurityOptions, Transport
+ from client import SSHClient, MissingHostKeyPolicy, AutoAddPolicy, RejectPolicy, WarningPolicy
+ from auth_handler import AuthHandler
+ from channel import Channel, ChannelFile
+
+=== modified file 'a/paramiko/agent.py'
+--- a/paramiko/agent.py 2007-02-13 19:17:06 +0000
++++ b/paramiko/agent.py 2010-08-02 22:13:08 +0000
+@@ -139,7 +139,7 @@
+ def get_name(self):
+ return self.name
+
+- def sign_ssh_data(self, randpool, data):
++ def sign_ssh_data(self, rng, data):
+ msg = Message()
+ msg.add_byte(chr(SSH2_AGENTC_SIGN_REQUEST))
+ msg.add_string(self.blob)
+
+=== modified file 'a/paramiko/auth_handler.py'
+--- a/paramiko/auth_handler.py 2009-07-20 02:45:02 +0000
++++ b/paramiko/auth_handler.py 2010-08-02 22:13:08 +0000
+@@ -206,7 +206,7 @@
+ m.add_string(self.private_key.get_name())
+ m.add_string(str(self.private_key))
+ blob = self._get_session_blob(self.private_key, 'ssh-connection', self.username)
+- sig = self.private_key.sign_ssh_data(self.transport.randpool, blob)
++ sig = self.private_key.sign_ssh_data(self.transport.rng, blob)
+ m.add_string(str(sig))
+ elif self.auth_method == 'keyboard-interactive':
+ m.add_string('')
+
+=== modified file 'a/paramiko/channel.py'
+--- a/paramiko/channel.py 2009-11-01 00:55:52 +0000
++++ b/paramiko/channel.py 2010-08-02 22:13:08 +0000
+@@ -364,7 +364,7 @@
+ if auth_protocol is None:
+ auth_protocol = 'MIT-MAGIC-COOKIE-1'
+ if auth_cookie is None:
+- auth_cookie = binascii.hexlify(self.transport.randpool.get_bytes(16))
++ auth_cookie = binascii.hexlify(self.transport.rng.read(16))
+
+ m = Message()
+ m.add_byte(chr(MSG_CHANNEL_REQUEST))
+
+=== modified file 'a/paramiko/common.py'
+--- a/paramiko/common.py 2009-07-20 02:45:02 +0000
++++ b/paramiko/common.py 2010-08-02 22:13:08 +0000
+@@ -95,10 +95,10 @@
+ DISCONNECT_SERVICE_NOT_AVAILABLE, DISCONNECT_AUTH_CANCELLED_BY_USER, \
+ DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE = 7, 13, 14
+
+-from rng import StrongLockingRandomPool
++from Crypto import Random
+
+ # keep a crypto-strong PRNG nearby
+-randpool = StrongLockingRandomPool()
++rng = Random.new()
+
+ import sys
+ if sys.version_info < (2, 3):
+
+=== modified file 'a/paramiko/dsskey.py'
+--- a/paramiko/dsskey.py 2009-07-20 02:45:02 +0000
++++ b/paramiko/dsskey.py 2010-08-02 22:13:08 +0000
+@@ -91,13 +91,13 @@
+ def can_sign(self):
+ return self.x is not None
+
+- def sign_ssh_data(self, rpool, data):
++ def sign_ssh_data(self, rng, data):
+ digest = SHA.new(data).digest()
+ dss = DSA.construct((long(self.y), long(self.g), long(self.p), long(self.q), long(self.x)))
+ # generate a suitable k
+ qsize = len(util.deflate_long(self.q, 0))
+ while True:
+- k = util.inflate_long(rpool.get_bytes(qsize), 1)
++ k = util.inflate_long(rng.read(qsize), 1)
+ if (k > 2) and (k < self.q):
+ break
+ r, s = dss.sign(util.inflate_long(digest, 1), k)
+@@ -161,8 +161,7 @@
+ @return: new private key
+ @rtype: L{DSSKey}
+ """
+- randpool.stir()
+- dsa = DSA.generate(bits, randpool.get_bytes, progress_func)
++ dsa = DSA.generate(bits, rng.read, progress_func)
+ key = DSSKey(vals=(dsa.p, dsa.q, dsa.g, dsa.y))
+ key.x = dsa.x
+ return key
+
+=== modified file 'a/paramiko/hostkeys.py'
+--- a/paramiko/hostkeys.py 2009-11-02 05:33:13 +0000
++++ b/paramiko/hostkeys.py 2010-08-02 22:13:08 +0000
+@@ -303,7 +303,7 @@
+ @rtype: str
+ """
+ if salt is None:
+- salt = randpool.get_bytes(SHA.digest_size)
++ salt = rng.read(SHA.digest_size)
+ else:
+ if salt.startswith('|1|'):
+ salt = salt.split('|')[2]
+
+=== modified file 'a/paramiko/kex_gex.py'
+--- a/paramiko/kex_gex.py 2009-07-20 02:45:02 +0000
++++ b/paramiko/kex_gex.py 2010-08-02 22:13:08 +0000
+@@ -101,8 +101,7 @@
+ qhbyte <<= 1
+ qmask >>= 1
+ while True:
+- self.transport.randpool.stir()
+- x_bytes = self.transport.randpool.get_bytes(bytes)
++ x_bytes = self.transport.rng.read(bytes)
+ x_bytes = chr(ord(x_bytes[0]) & qmask) + x_bytes[1:]
+ x = util.inflate_long(x_bytes, 1)
+ if (x > 1) and (x < q):
+@@ -207,7 +206,7 @@
+ H = SHA.new(str(hm)).digest()
+ self.transport._set_K_H(K, H)
+ # sign it
+- sig = self.transport.get_server_key().sign_ssh_data(self.transport.randpool, H)
++ sig = self.transport.get_server_key().sign_ssh_data(self.transport.rng, H)
+ # send reply
+ m = Message()
+ m.add_byte(chr(_MSG_KEXDH_GEX_REPLY))
+
+=== modified file 'a/paramiko/kex_group1.py'
+--- a/paramiko/kex_group1.py 2009-07-20 02:45:02 +0000
++++ b/paramiko/kex_group1.py 2010-08-02 22:13:08 +0000
+@@ -79,8 +79,7 @@
+ # potential x where the first 63 bits are 1, because some of those will be
+ # larger than q (but this is a tiny tiny subset of potential x).
+ while 1:
+- self.transport.randpool.stir()
+- x_bytes = self.transport.randpool.get_bytes(128)
++ x_bytes = self.transport.rng.read(128)
+ x_bytes = chr(ord(x_bytes[0]) & 0x7f) + x_bytes[1:]
+ if (x_bytes[:8] != '\x7F\xFF\xFF\xFF\xFF\xFF\xFF\xFF') and \
+ (x_bytes[:8] != '\x00\x00\x00\x00\x00\x00\x00\x00'):
+@@ -125,7 +124,7 @@
+ H = SHA.new(str(hm)).digest()
+ self.transport._set_K_H(K, H)
+ # sign it
+- sig = self.transport.get_server_key().sign_ssh_data(self.transport.randpool, H)
++ sig = self.transport.get_server_key().sign_ssh_data(self.transport.rng, H)
+ # send reply
+ m = Message()
+ m.add_byte(chr(_MSG_KEXDH_REPLY))
+
+=== modified file 'a/paramiko/packet.py'
+--- a/paramiko/packet.py 2010-04-14 01:51:45 +0000
++++ b/paramiko/packet.py 2010-08-02 22:13:08 +0000
+@@ -311,9 +311,6 @@
+
+ self.__sent_bytes += len(out)
+ self.__sent_packets += 1
+- if (self.__sent_packets % 100) == 0:
+- # stirring the randpool takes 30ms on my ibook!!
+- randpool.stir()
+ if ((self.__sent_packets >= self.REKEY_PACKETS) or (self.__sent_bytes >= self.REKEY_BYTES)) \
+ and not self.__need_rekey:
+ # only ask once for rekeying
+@@ -359,7 +356,7 @@
+ raise SSHException('Mismatched MAC')
+ padding = ord(packet[0])
+ payload = packet[1:packet_size - padding]
+- randpool.add_event()
++
+ if self.__dump_packets:
+ self._log(DEBUG, 'Got payload (%d bytes, %d padding)' % (packet_size, padding))
+
+@@ -476,7 +473,7 @@
+ packet = struct.pack('>IB', len(payload) + padding + 1, padding)
+ packet += payload
+ if self.__block_engine_out is not None:
+- packet += randpool.get_bytes(padding)
++ packet += rng.read(padding)
+ else:
+ # cute trick i caught openssh doing: if we're not encrypting,
+ # don't waste random bytes for the padding
+
+=== modified file 'a/paramiko/pkey.py'
+--- a/paramiko/pkey.py 2009-07-20 02:45:02 +0000
++++ b/paramiko/pkey.py 2010-08-02 22:13:08 +0000
+@@ -143,13 +143,13 @@
+ """
+ return base64.encodestring(str(self)).replace('\n', '')
+
+- def sign_ssh_data(self, randpool, data):
++ def sign_ssh_data(self, rng, data):
+ """
+ Sign a blob of data with this private key, and return a L{Message}
+ representing an SSH signature message.
+
+- @param randpool: a secure random number generator.
+- @type randpool: L{Crypto.Util.randpool.RandomPool}
++ @param rng: a secure random number generator.
++ @type rng: L{Crypto.Util.rng.RandomPool}
+ @param data: the data to sign.
+ @type data: str
+ @return: an SSH signature message.
+@@ -360,11 +360,11 @@
+ keysize = self._CIPHER_TABLE[cipher_name]['keysize']
+ blocksize = self._CIPHER_TABLE[cipher_name]['blocksize']
+ mode = self._CIPHER_TABLE[cipher_name]['mode']
+- salt = randpool.get_bytes(8)
++ salt = rng.read(8)
+ key = util.generate_key_bytes(MD5, salt, password, keysize)
+ if len(data) % blocksize != 0:
+ n = blocksize - len(data) % blocksize
+- #data += randpool.get_bytes(n)
++ #data += rng.read(n)
+ # that would make more sense ^, but it confuses openssh.
+ data += '\0' * n
+ data = cipher.new(key, mode, salt).encrypt(data)
+
+=== modified file 'a/paramiko/primes.py'
+--- a/paramiko/primes.py 2009-07-20 02:45:02 +0000
++++ b/paramiko/primes.py 2010-08-02 22:13:08 +0000
+@@ -26,12 +26,12 @@
+ from paramiko.ssh_exception import SSHException
+
+
+-def _generate_prime(bits, randpool):
++def _generate_prime(bits, rng):
+ "primtive attempt at prime generation"
+ hbyte_mask = pow(2, bits % 8) - 1
+ while True:
+ # loop catches the case where we increment n into a higher bit-range
+- x = randpool.get_bytes((bits+7) // 8)
++ x = rng.read((bits+7) // 8)
+ if hbyte_mask > 0:
+ x = chr(ord(x[0]) & hbyte_mask) + x[1:]
+ n = util.inflate_long(x, 1)
+@@ -43,7 +43,7 @@
+ break
+ return n
+
+-def _roll_random(rpool, n):
++def _roll_random(rng, n):
+ "returns a random # from 0 to N-1"
+ bits = util.bit_length(n-1)
+ bytes = (bits + 7) // 8
+@@ -56,7 +56,7 @@
+ # fits, so i can't guarantee that this loop will ever finish, but the odds
+ # of it looping forever should be infinitesimal.
+ while True:
+- x = rpool.get_bytes(bytes)
++ x = rng.read(bytes)
+ if hbyte_mask > 0:
+ x = chr(ord(x[0]) & hbyte_mask) + x[1:]
+ num = util.inflate_long(x, 1)
+@@ -75,7 +75,7 @@
+ # pack is a hash of: bits -> [ (generator, modulus) ... ]
+ self.pack = {}
+ self.discarded = []
+- self.randpool = rpool
++ self.rng = rpool
+
+ def _parse_modulus(self, line):
+ timestamp, mod_type, tests, tries, size, generator, modulus = line.split()
+@@ -147,5 +147,5 @@
+ if min > good:
+ good = bitsizes[-1]
+ # now pick a random modulus of this bitsize
+- n = _roll_random(self.randpool, len(self.pack[good]))
++ n = _roll_random(self.rng, len(self.pack[good]))
+ return self.pack[good][n]
+
+=== removed file 'a/paramiko/rng.py'
+--- a/paramiko/rng.py 2008-05-18 22:45:25 +0000
++++ b/paramiko/rng.py 1970-01-01 00:00:00 +0000
+@@ -1,112 +0,0 @@
+-#!/usr/bin/python
+-# -*- coding: ascii -*-
+-# Copyright (C) 2008 Dwayne C. Litzenberger <dl...@dlitz.net>
+-#
+-# This file is part of paramiko.
+-#
+-# Paramiko is free software; you can redistribute it and/or modify it under the
+-# terms of the GNU Lesser General Public License as published by the Free
+-# Software Foundation; either version 2.1 of the License, or (at your option)
+-# any later version.
+-#
+-# Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
+-# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+-# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+-# details.
+-#
+-# You should have received a copy of the GNU Lesser General Public License
+-# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
+-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+-
+-import sys
+-import threading
+-from Crypto.Util.randpool import RandomPool as _RandomPool
+-
+-try:
+- import platform
+-except ImportError:
+- platform = None # Not available using Python 2.2
+-
+-def _strxor(a, b):
+- assert len(a) == len(b)
+- return "".join(map(lambda x, y: chr(ord(x) ^ ord(y)), a, b))
+-
+-##
+-## Find a strong random entropy source, depending on the detected platform.
+-## WARNING TO DEVELOPERS: This will fail on some systems, but do NOT use
+-## Crypto.Util.randpool.RandomPool as a fall-back. RandomPool will happily run
+-## with very little entropy, thus _silently_ defeating any security that
+-## Paramiko attempts to provide. (This is current as of PyCrypto 2.0.1).
+-## See http://www.lag.net/pipermail/paramiko/2008-January/000599.html
+-## and http://www.lag.net/pipermail/paramiko/2008-April/000678.html
+-##
+-
+-if ((platform is not None and platform.system().lower() == 'windows') or
+- sys.platform == 'win32'):
+- # MS Windows
+- from paramiko import rng_win32
+- rng_device = rng_win32.open_rng_device()
+-else:
+- # Assume POSIX (any system where /dev/urandom exists)
+- from paramiko import rng_posix
+- rng_device = rng_posix.open_rng_device()
+-
+-
+-class StrongLockingRandomPool(object):
+- """Wrapper around RandomPool guaranteeing strong random numbers.
+-
+- Crypto.Util.randpool.RandomPool will silently operate even if it is seeded
+- with little or no entropy, and it provides no prediction resistance if its
+- state is ever compromised throughout its runtime. It is also not thread-safe.
+-
+- This wrapper augments RandomPool by XORing its output with random bits from
+- the operating system, and by controlling access to the underlying
+- RandomPool using an exclusive lock.
+- """
+-
+- def __init__(self, instance=None):
+- if instance is None:
+- instance = _RandomPool()
+- self.randpool = instance
+- self.randpool_lock = threading.Lock()
+- self.entropy = rng_device
+-
+- # Stir 256 bits of entropy from the RNG device into the RandomPool.
+- self.randpool.stir(self.entropy.read(32))
+- self.entropy.randomize()
+-
+- def stir(self, s=''):
+- self.randpool_lock.acquire()
+- try:
+- self.randpool.stir(s)
+- finally:
+- self.randpool_lock.release()
+- self.entropy.randomize()
+-
+- def randomize(self, N=0):
+- self.randpool_lock.acquire()
+- try:
+- self.randpool.randomize(N)
+- finally:
+- self.randpool_lock.release()
+- self.entropy.randomize()
+-
+- def add_event(self, s=''):
+- self.randpool_lock.acquire()
+- try:
+- self.randpool.add_event(s)
+- finally:
+- self.randpool_lock.release()
+-
+- def get_bytes(self, N):
+- self.randpool_lock.acquire()
+- try:
+- randpool_data = self.randpool.get_bytes(N)
+- finally:
+- self.randpool_lock.release()
+- entropy_data = self.entropy.read(N)
+- result = _strxor(randpool_data, entropy_data)
+- assert len(randpool_data) == N and len(entropy_data) == N and len(result) == N
+- return result
+-
+-# vim:set ts=4 sw=4 sts=4 expandtab:
+
+=== removed file 'a/paramiko/rng_posix.py'
+--- a/paramiko/rng_posix.py 2009-11-02 05:33:13 +0000
++++ b/paramiko/rng_posix.py 1970-01-01 00:00:00 +0000
+@@ -1,97 +0,0 @@
+-#!/usr/bin/python
+-# -*- coding: ascii -*-
+-# Copyright (C) 2008 Dwayne C. Litzenberger <dl...@dlitz.net>
+-# Copyright (C) 2008 Open Systems Canada Limited
+-#
+-# This file is part of paramiko.
+-#
+-# Paramiko is free software; you can redistribute it and/or modify it under the
+-# terms of the GNU Lesser General Public License as published by the Free
+-# Software Foundation; either version 2.1 of the License, or (at your option)
+-# any later version.
+-#
+-# Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
+-# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+-# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+-# details.
+-#
+-# You should have received a copy of the GNU Lesser General Public License
+-# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
+-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+-
+-import os
+-import stat
+-
+-class error(Exception):
+- pass
+-
+-class _RNG(object):
+- def __init__(self, file):
+- self.file = file
+-
+- def read(self, bytes):
+- return self.file.read(bytes)
+-
+- def close(self):
+- return self.file.close()
+-
+- def randomize(self):
+- return
+-
+-def open_rng_device(device_path=None):
+- """Open /dev/urandom and perform some sanity checks."""
+-
+- f = None
+- g = None
+-
+- if device_path is None:
+- device_path = "/dev/urandom"
+-
+- try:
+- # Try to open /dev/urandom now so that paramiko will be able to access
+- # it even if os.chroot() is invoked later.
+- try:
+- f = open(device_path, "rb", 0)
+- except EnvironmentError:
+- raise error("Unable to open /dev/urandom")
+-
+- # Open a second file descriptor for sanity checking later.
+- try:
+- g = open(device_path, "rb", 0)
+- except EnvironmentError:
+- raise error("Unable to open /dev/urandom")
+-
+- # Check that /dev/urandom is a character special device, not a regular file.
+- st = os.fstat(f.fileno()) # f
+- if stat.S_ISREG(st.st_mode) or not stat.S_ISCHR(st.st_mode):
+- raise error("/dev/urandom is not a character special device")
+-
+- st = os.fstat(g.fileno()) # g
+- if stat.S_ISREG(st.st_mode) or not stat.S_ISCHR(st.st_mode):
+- raise error("/dev/urandom is not a character special device")
+-
+- # Check that /dev/urandom always returns the number of bytes requested
+- x = f.read(20)
+- y = g.read(20)
+- if len(x) != 20 or len(y) != 20:
+- raise error("Error reading from /dev/urandom: input truncated")
+-
+- # Check that different reads return different data
+- if x == y:
+- raise error("/dev/urandom is broken; returning identical data: %r == %r" % (x, y))
+-
+- # Close the duplicate file object
+- g.close()
+-
+- # Return the first file object
+- return _RNG(f)
+-
+- except error:
+- if f is not None:
+- f.close()
+- if g is not None:
+- g.close()
+- raise
+-
+-# vim:set ts=4 sw=4 sts=4 expandtab:
+-
+
+=== removed file 'a/paramiko/rng_win32.py'
+--- a/paramiko/rng_win32.py 2008-05-18 22:45:25 +0000
++++ b/paramiko/rng_win32.py 1970-01-01 00:00:00 +0000
+@@ -1,121 +0,0 @@
+-#!/usr/bin/python
+-# -*- coding: ascii -*-
+-# Copyright (C) 2008 Dwayne C. Litzenberger <dl...@dlitz.net>
+-# Copyright (C) 2008 Open Systems Canada Limited
+-#
+-# This file is part of paramiko.
+-#
+-# Paramiko is free software; you can redistribute it and/or modify it under the
+-# terms of the GNU Lesser General Public License as published by the Free
+-# Software Foundation; either version 2.1 of the License, or (at your option)
+-# any later version.
+-#
+-# Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
+-# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+-# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+-# details.
+-#
+-# You should have received a copy of the GNU Lesser General Public License
+-# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
+-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+-
+-class error(Exception):
+- pass
+-
+-# Try to import the "winrandom" module
+-try:
+- from Crypto.Util import winrandom as _winrandom
+-except ImportError:
+- _winrandom = None
+-
+-# Try to import the "urandom" module
+-try:
+- from os import urandom as _urandom
+-except ImportError:
+- _urandom = None
+-
+-
+-class _RNG(object):
+- def __init__(self, readfunc):
+- self.read = readfunc
+-
+- def randomize(self):
+- # According to "Cryptanalysis of the Random Number Generator of the
+- # Windows Operating System", by Leo Dorrendorf and Zvi Gutterman
+- # and Benny Pinkas <http://eprint.iacr.org/2007/419>,
+- # CryptGenRandom only updates its internal state using kernel-provided
+- # random data every 128KiB of output.
+- self.read(128*1024) # discard 128 KiB of output
+-
+-def _open_winrandom():
+- if _winrandom is None:
+- raise error("Crypto.Util.winrandom module not found")
+-
+- # Check that we can open the winrandom module
+- try:
+- r0 = _winrandom.new()
+- r1 = _winrandom.new()
+- except Exception, exc:
+- raise error("winrandom.new() failed: %s" % str(exc), exc)
+-
+- # Check that we can read from the winrandom module
+- try:
+- x = r0.get_bytes(20)
+- y = r1.get_bytes(20)
+- except Exception, exc:
+- raise error("winrandom get_bytes failed: %s" % str(exc), exc)
+-
+- # Check that the requested number of bytes are returned
+- if len(x) != 20 or len(y) != 20:
+- raise error("Error reading from winrandom: input truncated")
+-
+- # Check that different reads return different data
+- if x == y:
+- raise error("winrandom broken: returning identical data")
+-
+- return _RNG(r0.get_bytes)
+-
+-def _open_urandom():
+- if _urandom is None:
+- raise error("os.urandom function not found")
+-
+- # Check that we can read from os.urandom()
+- try:
+- x = _urandom(20)
+- y = _urandom(20)
+- except Exception, exc:
+- raise error("os.urandom failed: %s" % str(exc), exc)
+-
+- # Check that the requested number of bytes are returned
+- if len(x) != 20 or len(y) != 20:
+- raise error("os.urandom failed: input truncated")
+-
+- # Check that different reads return different data
+- if x == y:
+- raise error("os.urandom failed: returning identical data")
+-
+- return _RNG(_urandom)
+-
+-def open_rng_device():
+- # Try using the Crypto.Util.winrandom module
+- try:
+- return _open_winrandom()
+- except error:
+- pass
+-
+- # Several versions of PyCrypto do not contain the winrandom module, but
+- # Python >= 2.4 has os.urandom, so try to use that.
+- try:
+- return _open_urandom()
+- except error:
+- pass
+-
+- # SECURITY NOTE: DO NOT USE Crypto.Util.randpool.RandomPool HERE!
+- # If we got to this point, RandomPool will silently run with very little
+- # entropy. (This is current as of PyCrypto 2.0.1).
+- # See http://www.lag.net/pipermail/paramiko/2008-January/000599.html
+- # and http://www.lag.net/pipermail/paramiko/2008-April/000678.html
+-
+- raise error("Unable to find a strong random entropy source. You cannot run this software securely under the current configuration.")
+-
+-# vim:set ts=4 sw=4 sts=4 expandtab:
+
+=== modified file 'a/paramiko/rsakey.py'
+--- a/paramiko/rsakey.py 2009-07-20 02:45:02 +0000
++++ b/paramiko/rsakey.py 2010-08-02 22:13:08 +0000
+@@ -137,8 +137,7 @@
+ @return: new private key
+ @rtype: L{RSAKey}
+ """
+- randpool.stir()
+- rsa = RSA.generate(bits, randpool.get_bytes, progress_func)
++ rsa = RSA.generate(bits, rng.read, progress_func)
+ key = RSAKey(vals=(rsa.e, rsa.n))
+ key.d = rsa.d
+ key.p = rsa.p
+
+=== modified file 'a/paramiko/transport.py'
+--- a/paramiko/transport.py 2010-04-25 23:42:45 +0000
++++ b/paramiko/transport.py 2010-08-02 22:13:08 +0000
+@@ -297,7 +297,7 @@
+ # okay, normal socket-ish flow here...
+ threading.Thread.__init__(self)
+ self.setDaemon(True)
+- self.randpool = randpool
++ self.rng = rng
+ self.sock = sock
+ # Python < 2.3 doesn't have the settimeout method - RogerB
+ try:
+@@ -585,7 +585,7 @@
+
+ @note: This has no effect when used in client mode.
+ """
+- Transport._modulus_pack = ModulusPack(randpool)
++ Transport._modulus_pack = ModulusPack(rng)
+ # places to look for the openssh "moduli" file
+ file_list = [ '/etc/ssh/moduli', '/usr/local/etc/moduli' ]
+ if filename is not None:
+@@ -837,10 +837,9 @@
+ """
+ m = Message()
+ m.add_byte(chr(MSG_IGNORE))
+- randpool.stir()
+ if bytes is None:
+- bytes = (ord(randpool.get_bytes(1)) % 32) + 10
+- m.add_bytes(randpool.get_bytes(bytes))
++ bytes = (ord(rng.read(1)) % 32) + 10
++ m.add_bytes(rng.read(bytes))
+ self._send_user_message(m)
+
+ def renegotiate_keys(self):
+@@ -1674,10 +1673,9 @@
+ else:
+ available_server_keys = self._preferred_keys
+
+- randpool.stir()
+ m = Message()
+ m.add_byte(chr(MSG_KEXINIT))
+- m.add_bytes(randpool.get_bytes(16))
++ m.add_bytes(rng.read(16))
+ m.add_list(self._preferred_kex)
+ m.add_list(available_server_keys)
+ m.add_list(self._preferred_ciphers)
+
+=== modified file 'a/tests/test_kex.py'
+--- a/tests/test_kex.py 2009-07-20 02:45:02 +0000
++++ b/tests/test_kex.py 2010-08-02 22:13:08 +0000
+@@ -28,17 +28,15 @@
+ from paramiko import Message
+
+
+-class FakeRandpool (object):
+- def stir(self):
+- pass
+- def get_bytes(self, n):
++class FakeRng (object):
++ def read(self, n):
+ return chr(0xcc) * n
+
+
+ class FakeKey (object):
+ def __str__(self):
+ return 'fake-key'
+- def sign_ssh_data(self, randpool, H):
++ def sign_ssh_data(self, rng, H):
+ return 'fake-sig'
+
+
+@@ -50,7 +48,7 @@
+
+
+ class FakeTransport (object):
+- randpool = FakeRandpool()
++ rng = FakeRng()
+ local_version = 'SSH-2.0-paramiko_1.0'
+ remote_version = 'SSH-2.0-lame'
+ local_kex_init = 'local-kex-init'
+
+=== modified file 'a/tests/test_pkey.py'
+--- a/tests/test_pkey.py 2009-07-20 02:45:02 +0000
++++ b/tests/test_pkey.py 2010-08-02 22:13:08 +0000
+@@ -23,7 +23,8 @@
+ from binascii import hexlify, unhexlify
+ import StringIO
+ import unittest
+-from paramiko import RSAKey, DSSKey, Message, util, randpool
++from paramiko import RSAKey, DSSKey, Message, util
++from paramiko.common import rng
+
+ # from openssh's ssh-keygen
+ PUB_RSA = 'ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA049W6geFpmsljTwfvI1UmKWWJPNFI74+vNKTk4dmzkQY2yAMs6FhlvhlI8ysU4oj71ZsRYMecHbBbxdN79+JRFVYTKaLqjwGENeTd+yv4q+V2PvZv3fLnzApI3l7EJCqhWwJUHJ1jAkZzqDx0tyOL4uoZpww3nmE0kb3y21tH4c='
+@@ -151,7 +152,7 @@
+ def test_8_sign_rsa(self):
+ # verify that the rsa private key can sign and verify
+ key = RSAKey.from_private_key_file('tests/test_rsa.key')
+- msg = key.sign_ssh_data(randpool, 'ice weasels')
++ msg = key.sign_ssh_data(rng, 'ice weasels')
+ self.assert_(type(msg) is Message)
+ msg.rewind()
+ self.assertEquals('ssh-rsa', msg.get_string())
+@@ -164,7 +165,7 @@
+ def test_9_sign_dss(self):
+ # verify that the dss private key can sign and verify
+ key = DSSKey.from_private_key_file('tests/test_dss.key')
+- msg = key.sign_ssh_data(randpool, 'ice weasels')
++ msg = key.sign_ssh_data(rng, 'ice weasels')
+ self.assert_(type(msg) is Message)
+ msg.rewind()
+ self.assertEquals('ssh-dss', msg.get_string())
+@@ -178,12 +179,12 @@
+
+ def test_A_generate_rsa(self):
+ key = RSAKey.generate(1024)
+- msg = key.sign_ssh_data(randpool, 'jerri blank')
++ msg = key.sign_ssh_data(rng, 'jerri blank')
+ msg.rewind()
+ self.assert_(key.verify_ssh_sig('jerri blank', msg))
+
+ def test_B_generate_dss(self):
+ key = DSSKey.generate(1024)
+- msg = key.sign_ssh_data(randpool, 'jerri blank')
++ msg = key.sign_ssh_data(rng, 'jerri blank')
+ msg.rewind()
+ self.assert_(key.verify_ssh_sig('jerri blank', msg))
+
+=== modified file 'a/tests/test_util.py'
+--- a/tests/test_util.py 2009-07-20 02:45:02 +0000
++++ b/tests/test_util.py 2010-08-02 22:13:08 +0000
+@@ -147,8 +147,8 @@
+ os.unlink('hostfile.temp')
+
+ def test_6_random(self):
+- from paramiko.common import randpool
++ from paramiko.common import rng
+ # just verify that we can pull out 32 bytes and not get an exception.
+- x = randpool.get_bytes(32)
++ x = rng.read(32)
+ self.assertEquals(len(x), 32)
+
+
=== added file 'debian/patches/series'
--- debian/patches/series 1970-01-01 00:00:00 +0000
+++ debian/patches/series 2010-11-09 09:04:33 +0000
@@ -0,0 +1,1 @@
+no-randompool.patch
signature.asc
Description: This is a digitally signed message part
