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# -------------------------------------------
# Python简单密码加密程序
# 随机生成4位salt，与原始密码组合，通过md5加密
# Author : Lrg
# -------------------------------------------
# encoding = utf-8
from random import Random
from hashlib import md5
# 获取由4位随机大小写字母、数字组成的salt值
def create_salt(length = 4):
salt = ''
chars = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789'
len_chars = len(chars) - 1
random = Random()
for i in xrange(length):
# 每次从chars中随机取一位
salt += chars[random.randint(0, len_chars)]
return salt
# 获取原始密码+salt的md5值
def create_md5(pwd,salt):
md5_obj = md5()
md5_obj.update(pwd + salt)
return md5_obj.hexdigest()
# 原始密码
pwd = '20141124'
# 随机生成4位salt
salt = create_salt()
# 加密后的密码
md5 = create_md5(pwd, salt)
print '[pwd]\n',pwd
print '[salt]\n', salt
print '[md5]\n', md5
# ------------------
