python_hashlib

import hashlib

def mda5(arg):
    '''
    
    :param arg:加密的文本 
    :return: 
    '''
    #定义的加密头文件
    pwd = hashlib.md5(bytes("2321",encoding='utf-8'))
    #组合加密的内容
    pwd.update(bytes(arg,encoding='utf-8'))
    
    return pwd.hexdigest()
def pwd_user():
    username = input('请输入用户名')
    pwd = input("请输入密码")
    return  username,pwd

def register(usrname,pwd):
    with open('db','a',encoding="utf-8") as f:
        pwd = mda5(pwd)
        print(pwd)
        temp=usrname+"|"+pwd
        print(temp)
        f.write('\n'+temp)
def login(username,pwd):
    with open("db",'r',encoding="utf-8") as f:
        for i in f:
            u,p = i.strip().split("|")
            if u == username and mda5(pwd) == p:
                return True
            else:
                return False

p,u=pwd_user()
print(type(p),u)
register(u,p)
if login(u,p):
    print("成功")
else:
    print("失败")