def recv(t,key):
newmess = server.recv(1024)
print ("\nENCRYPTED MESSAGE FROM SERVER-> " + newmess)
key = key[:16]
decoded = newmess.decode("hex")
ideaDecrypt = IDEA.new(key, IDEA.MODE_CTR, counter=lambda: key)
dMsg = ideaDecrypt.decrypt(decoded)
print ("\n**New Message From Server** " + time.ctime(time.time()) + " : " + dMsg + "\n")
def send(t, message, key):
mess = message + " : "
key = key[:16]
whole = message + " : " + mess
ideaEncrypt = IDEA.new(key, IDEA.MODE_CTR, counter=lambda: key)
eMsg = ideaEncrypt.encrypt(whole)
eMsg = eMsg.encode("hex").upper()
if eMsg != "":
print("ENCRYPTED MESSAGE SENT TO SERVER-> " + eMsg)
s.send(eMsg)
def send(t,name,key):
mess = raw_input(name + " : ")
key = key[:16]
#merging the message and the name
whole = name+" : "+mess
ideaEncrypt = IDEA.new(key, IDEA.MODE_CTR, counter=lambda : key)
eMsg = ideaEncrypt.encrypt(whole)
#converting the encrypted message to HEXADECIMAL to readable
eMsg = eMsg.encode("hex").upper()
if eMsg != "":
print ("ENCRYPTED MESSAGE TO SERVER-> "+eMsg)
server.send(eMsg)
print("\n-----SESSION KEY-----\n" + en_digest)
#encrypting session key and public key
E = server_public_key.encrypt(encrypto, 16)
print("\n-----ENCRYPTED PUBLIC KEY AND SESSION KEY-----\n" + str(E))
print("\n-----HANDSHAKE COMPLETE-----")
client.send(str(E))
while True:
#message from client
newmess = client.recv(1024)
#decoding the message from HEXADECIMAL to decrypt the ecrypted version of the message only
decoded = newmess.decode("hex")
#making en_digest(session_key) as the key
key = en_digest[:16]
print("\nENCRYPTED MESSAGE FROM CLIENT -> " + newmess)
#decrypting message from the client
ideaDecrypt = IDEA.new(key, IDEA.MODE_CTR, counter=lambda: key)
dMsg = ideaDecrypt.decrypt(decoded)
print("\n**New Message** " + time.ctime(time.time()) + " > " + dMsg +
"\n")
mess = raw_input("\nMessage To Client -> ")
if mess != "":
ideaEncrypt = IDEA.new(key, IDEA.MODE_CTR, counter=lambda: key)
eMsg = ideaEncrypt.encrypt(mess)
eMsg = eMsg.encode("hex").upper()
if eMsg != "":
print("ENCRYPTED MESSAGE TO CLIENT-> " + eMsg)
client.send(eMsg)
client.close()
else:
print("\n-----PUBLIC KEY HASH DOESNOT MATCH-----\n")