import socket
#客户端
import os.path
from pyDes import des, CBC, PAD_PKCS5
import binascii
KEY = 'mHAxsLYz'
def des_encrypt(s):
    secret_key = KEY
    iv = secret_key
    k = des(secret_key, CBC, iv, pad=None, padmode=PAD_PKCS5)
    en = k.encrypt(s, padmode=PAD_PKCS5)
    return binascii.b2a_hex(en)

def des_descrypt(s):
    secret_key = KEY
    iv = secret_key
    k = des(secret_key, CBC, iv, pad=None, padmode=PAD_PKCS5)
    de = k.decrypt(binascii.a2b_hex(s), padmode=PAD_PKCS5)
    return de

os.mkdir(r"F:\python编程\1621")
file = open(r"F:\python编程\1621\162116.txt","a")
file.write("20162116")
choice = input("您是否要写文件（yes or no）：")
while choice == "yes":
    content = input("请输入您要写的内容：")
    file.write(content)
    choice = input("您是否要继续添加信息（yes or no）：")
file.close()
oth_choice = input("您是否要读文件并传输（yes or no）：")
if oth_choice == "yes":
    file = open(r"F:\python编程\1621\162116.txt", "r")
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.connect(('127.0.0.1', 8001))
    str = file.read()
    pass_hex = des_encrypt(str)
    s.sendall(pass_hex)
    data = s.recv(1024)
    print(data.decode())
    s.close()
    file.close()
else:
    print("谢谢使用！")