def getInfo(): # 接受消息
while True:
data = ck.recv(1024) # 用于接受服务器发送的信息
key = "569716548"
box = RC4.init_box(key)
mingwen = RC4.ex_decrypt(data, box) # 解密消息
p = chaifen(mingwen) # 返回一个包含明文和签名的元组
print("拆分出的签名：")
print(p[1])
s = p[1]
s = s[2:len(s) - 1] #base前两位字符是b' ，所以从第三个字符开始才是签名
s = s.encode(encoding="utf-8")
m = MD5.md5(p[0]) # 对明文部分使用md5算法生成摘要
# signal2=KEY.sign(m)
v = RSA.Verify(m, s) # 验证签名
judge(v) # 判断安全性
text.insert(tkinter.INSERT, p[0])
def sendMail():
friend = efriend.get() #发给谁
sendStr = esend.get() #发送的消息
#用MD5生成消息摘要
abstract = MD5.md5(sendStr)
#用RSA算法对消息摘要进行签名
signal1 = RSA.sign(str(abstract))
#生成消息
message = sendStr + '@' + str(signal1)
#用RC4算法对消息进行加密
key = "569716548"
box = RC4.init_box(key)
cipher = RC4.ex_encrypt(message, box)
#发送消息
sendStr = friend + ":" + cipher
ck.send(sendStr.encode("utf-8"))
md5.init_mess(mess)
out_put = md5.hex_digest()
print out_put
end = time.clock()
print('--------------------------MD5 end--------------------------\n')
print('Cost ' + str(end - start) + 's\n')
costdic[choose] = end - start
elif choose == 7:
print('--------------------------RC4--------------------------\n')
mode = raw_input("1 Encrypt or 2 Decode \n")
if mode == '1':
start = time.clock()
message = RC4.get_message()
key = RC4.get_key()
box = RC4.init_box(key)
RC4.ex_encrypt(message, box, mode)
end = time.clock()
elif mode == '2':
message = RC4.get_message()
key = RC4.get_key()
box = RC4.init_box(key)
RC4.ex_encrypt(message, box, mode)
print('--------------------------RC4 end--------------------------\n')
print('Cost ' + str(end - start) + 's\n')
costdic[choose] = end - start
elif choose == 8:
print('--------------------------A5--------------------------\n')
choice = raw_input("1 Encrypt or 2 Decode \n")
