hashlib练习

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答案

#!/usr/bin/python#
#-*-coding:UTF-8-*-
import hashlib

'''
字典存用户名和密码
'''
db = {
    'michael':'c4ca4238a0b923820dcc509a6f75849b',
    'bob':'c81e728d9d4c2f636f067f89cc14862c',
    'alice':'eccbc87e4b5ce2fe28308fd9f2a7baf3'
}

'''
用户密码加密
'''
def calc_md5(password):
    md5 = hashlib.md5()
    md5.update(password)
    passwd = md5.hexdigest()
    return passwd

'''
用户注册时加盐
'''
def register(username,password):
    pas = username + password + 'the-Salt'
    print pas
    db[username] = calc_md5(pas)
    return calc_md5(pas)

'''
用户登录
'''
def login(user,password):
    if db[user] == register(user,password):
        print 'True'
    else:
        print 'False'
#用户注册
register('tom','t123')
#用户登录
login('tom','t123')