def AS_to_Client(ip_Client, r):
Key_c = (r.get('Key_Client')).decode()
Key_c = tostr.key_tostr(Key_c)
QW.Key_client = Key_c
Key_ctgs = (r.get('Key_ctgs')).decode() # 理论上从数据库获取
Key_ctgs = tostr.key_tostr(Key_ctgs)
print("Key_ctgs = ", Key_ctgs)
ip_TGS = (r.get('ip_TGS')).decode() # 从数据库获取TGS的IP地址
ip_TGS = tostr.ip_tostr(ip_TGS)
ts2 = time.time()
ts2 = tostr.ts_tostr(ts2)
lifetime2 = 666
lifetime2 = tostr.lifetime_tostr(lifetime2)
ip_Client = tostr.ip_tostr(ip_Client)
ticket_tgs = get_ticket(Key_ctgs, ip_Client, ip_TGS, ts2, lifetime2, r)
message = Key_ctgs + ip_TGS + ts2 + lifetime2 + ticket_tgs
QW.message2_Plaintext = message
message = des_en.test(message, Key_c)
QW.message2_Ciphertext = message
return message
def get_ticket(ip_Client, AD_Client, ip_Server, Key_cv, Key_server):
ts4 = time.time()
ts4 = tostr.ts_tostr(ts4)
lifetime4 = 666
lifetime4 = tostr.lifetime_tostr(lifetime4)
ticket_Server = Key_cv + ip_Client + AD_Client + ip_Server + ts4 + lifetime4
ticket_Server = des_en.test(ticket_Server, Key_server)
print("ticket_server = ", ticket_Server)
return ticket_Server, ts4