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📁 ..
📄 __init__.py(1.3 KB)
📄 __init__.pyc(765 B)
📄 __init__.pyo(765 B)
📄 dnssec.py(14.37 KB)
📄 dnssec.pyc(13.46 KB)
📄 dnssec.pyo(13.38 KB)
📄 e164.py(3.01 KB)
📄 e164.pyc(2.76 KB)
📄 e164.pyo(2.76 KB)
📄 edns.py(4.21 KB)
📄 edns.pyc(5.2 KB)
📄 edns.pyo(5.2 KB)
📄 entropy.py(3.79 KB)
📄 entropy.pyc(3.7 KB)
📄 entropy.pyo(3.7 KB)
📄 exception.py(1.29 KB)
📄 exception.pyc(1.56 KB)
📄 exception.pyo(1.56 KB)
📄 flags.py(2.62 KB)
📄 flags.pyc(2.58 KB)
📄 flags.pyo(2.58 KB)
📄 grange.py(1.83 KB)
📄 grange.pyc(1.15 KB)
📄 grange.pyo(1.08 KB)
📄 hash.py(2.34 KB)
📄 hash.pyc(2.11 KB)
📄 hash.pyo(2.11 KB)
📄 inet.py(3.16 KB)
📄 inet.pyc(2.61 KB)
📄 inet.pyo(2.61 KB)
📄 ipv4.py(1.81 KB)
📄 ipv4.pyc(1.37 KB)
📄 ipv4.pyo(1.37 KB)
📄 ipv6.py(4.97 KB)
📄 ipv6.pyc(3.44 KB)
📄 ipv6.pyo(3.44 KB)
📄 message.py(41.63 KB)
📄 message.pyc(36.39 KB)
📄 message.pyo(36.39 KB)
📄 name.py(21.82 KB)
📄 name.pyc(23 KB)
📄 name.pyo(23 KB)
📄 namedict.py(2.06 KB)
📄 namedict.pyc(1.92 KB)
📄 namedict.pyo(1.92 KB)
📄 node.py(5.89 KB)
📄 node.pyc(6.15 KB)
📄 node.pyo(6.15 KB)
📄 opcode.py(2.55 KB)
📄 opcode.pyc(2.49 KB)
📄 opcode.pyo(2.49 KB)
📄 query.py(17.89 KB)
📄 query.pyc(15.31 KB)
📄 query.pyo(15.31 KB)
📄 rcode.py(3.03 KB)
📄 rcode.pyc(2.92 KB)
📄 rcode.pyo(2.92 KB)
📄 rdata.py(15.34 KB)
📄 rdata.pyc(16.59 KB)
📄 rdata.pyo(16.59 KB)
📄 rdataclass.py(3.22 KB)
📄 rdataclass.pyc(2.96 KB)
📄 rdataclass.pyo(2.96 KB)
📄 rdataset.py(11.28 KB)
📄 rdataset.pyc(11.08 KB)
📄 rdataset.pyo(11.03 KB)
📄 rdatatype.py(5.07 KB)
📄 rdatatype.pyc(5.29 KB)
📄 rdatatype.pyo(5.29 KB)
📁 rdtypes
📄 renderer.py(11.63 KB)
📄 renderer.pyc(10.85 KB)
📄 renderer.pyo(10.75 KB)
📄 resolver.py(45.35 KB)
📄 resolver.pyc(37.16 KB)
📄 resolver.pyo(37.16 KB)
📄 reversename.py(3.03 KB)
📄 reversename.pyc(2.4 KB)
📄 reversename.pyo(2.4 KB)
📄 rrset.py(5.76 KB)
📄 rrset.pyc(6.17 KB)
📄 rrset.pyo(6.17 KB)
📄 set.py(7.66 KB)
📄 set.pyc(9.81 KB)
📄 set.pyo(9.81 KB)
📄 tokenizer.py(17.54 KB)
📄 tokenizer.pyc(16.92 KB)
📄 tokenizer.pyo(16.92 KB)
📄 tsig.py(8.1 KB)
📄 tsig.pyc(8.08 KB)
📄 tsig.pyo(8.08 KB)
📄 tsigkeyring.py(1.61 KB)
📄 tsigkeyring.pyc(1.16 KB)
📄 tsigkeyring.pyo(1.16 KB)
📄 ttl.py(2.13 KB)
📄 ttl.pyc(1.48 KB)
📄 ttl.pyo(1.48 KB)
📄 update.py(9.92 KB)
📄 update.pyc(8.27 KB)
📄 update.pyo(8.27 KB)
📄 version.py(1.24 KB)
📄 version.pyc(560 B)
📄 version.pyo(560 B)
📄 wiredata.py(2.53 KB)
📄 wiredata.pyc(2.19 KB)
📄 wiredata.pyo(2.19 KB)
📄 zone.py(37.94 KB)
📄 zone.pyc(33.52 KB)
📄 zone.pyo(33.52 KB)

Editing: entropy.py

# 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)

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Editing: entropy.py

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