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 TGS_to_Client(ip_Client, ip_Server, Key_ctgs):
Key_server = 'bcdefgh'
Key_server = tostr.ip_tostr(Key_server)
Key_cv = get_key()
Key_server = tostr.ip_tostr(Key_server)
ip_Server = tostr.ip_tostr(ip_Server)
ip_Client = tostr.ip_tostr(ip_Client)
AD_Client = ip_Client
ticket_Server, ts4 = get_ticket(ip_Client, AD_Client, ip_Server, Key_cv,
Key_server)
message = Key_cv + ip_Server + ts4 + ticket_Server
message = des_en.test(message, Key_ctgs)
print("message = ", message)
return message
def TGS_to_Client(ip_Client, ip_Server, Key_ctgs):
Key_server = 'bcdefgh'
QW.Key_server = Key_server
Key_server = tostr.ip_tostr(Key_server)
Key_cv = get_key()
Key_server = tostr.ip_tostr(Key_server)
ip_Server = tostr.ip_tostr(ip_Server)
ip_Client = tostr.ip_tostr(ip_Client)
AD_Client = ip_Client
ticket_Server,ts4 = get_ticket(ip_Client,AD_Client,ip_Server,Key_cv,Key_server)
message = Key_cv + ip_Server + ts4 + ticket_Server
QW.message4_Plaintext = message
message = des_en.test(message, Key_ctgs)
QW.message4_Ciphertext = message
print("message = ", message)
return message
def Client_to_AS():
ip_Client = tostr.get_host_ip()
ip_Client = tostr.ip_tostr(ip_Client)
print("ip = ", ip_Client)
ip_TGS = "192.168.43.203"
ip_TGS = tostr.ip_tostr(ip_TGS)
print("ip_TGS = ", ip_TGS)
ts1 = time.time()
ts1 = tostr.ts_tostr(ts1)
print("ts1 = ", ts1)
#str_ClienttoAS = tostr.IntegrationMessage.ClientAS(ip_Client, ip_TGS, ts1)
str_ClienttoAS = ip_Client + ip_TGS + ts1
print("str_Client = ", str_ClienttoAS)
return str_ClienttoAS
def Client_to_TGS(ticket_TGS, Key_ctgs):
ip_Server = '192.168.43.204' # 如何获取SERVER端的IP呢************************************************
ip_Server = tostr.ip_tostr(ip_Server)
Authenticator_c, ts = get_Authencator(Key_ctgs)
message = ip_Server + ticket_TGS + Authenticator_c
return message, str(len(ticket_TGS))
def get_Authencator(Key_ctgs):
ip_Client = tostr.get_host_ip()
ip_Client = tostr.ip_tostr(ip_Client)
AD_c = ip_Client
ts3 = time.time()
ts3 = tostr.ts_tostr(ts3)
authencator = ip_Client + AD_c + ts3
authencator = des_en.test(authencator, Key_ctgs)
return authencator, ts3