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#OpenSSL cheat sheet This is a brief howto for socket programmers.

create RSA key pairs

ex: 1024bits length key pair:

$> openssl genrsa -out myprivate.pem 1024
$> openssl rsa -in myprivate.pem -pubout -out mypublic.pem

	# -- coding: utf-8 --
	"""get version number from dvcs
	"""

	from subprocess import Popen, PIPE


	def get_hg_version():
	"""uses mercurial to get last tag and last revision number

	#!/bin/bash
	#
	# Example of how to parse short/long options with 'getopt'
	#

	OPTS=`getopt -o vhns: --long verbose,dry-run,help,stack-size: -n 'parse-options' -- "$@"`

	if [ $? != 0 ] ; then echo "Failed parsing options." >&2 ; exit 1 ; fi

	echo "$OPTS"

	# modified from pysync
	_BASE=65521 # largest prime smaller than 65536
	_NMAX=5552 # largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1
	_OFFS=1 # default initial s1 offset

	# fcicq: _NMAX is embedded in zlib's adler32 for one pass calculation,
	# and we mainly do the rolling hash, so _NMAX is not used here.
	import zlib
	class adler32:
	def __init__(self,data=''):

	/***
	* Copyright 2006 [email protected]
	*
	* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a
	* copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
	* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations

	2012-12-17 21:27:34.211 Untitled[10696:707] -1
	2012-12-17 21:27:34.219 Untitled[10696:707] 0

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:

	The above copyright notice and this permission notice shall be included in all
	copies or substantial portions of the Software.

	build:
	$(CC) -o queue.o queue.c