Uni/CSI-ES-2324
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[TP06] Fix e QOL

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This commit is contained in:
Afonso Franco 2024-03-19 23:18:33 +00:00
parent eacfa5363f
commit 287ae0e466
Signed by: afonso
SSH key fingerprint: SHA256:aiLbdlPwXKJS5wMnghdtod0SPy8imZjlVvCyUX9DJNk
3 changed files with 29 additions and 47 deletions
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18
TPs/TP06/client.py
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@ -9,18 +9,22 @@ ip = "127.0.0.1"
port = 8443
client_cert = "client/client.crt"
server_cert = "server/server.crt"
client_key = "client/client.key"
server_cert = "server/server.crt"
context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH, cafile=server_cert)
context.load_cert_chain(certfile=client_cert, keyfile=client_key)
context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
context.minimum_version = ssl.TLSVersion.TLSv1_3
context.maximum_version = ssl.TLSVersion.TLSv1_3
# A biblioteca ssl não suporta editar as ciphers de TLS1.3
# context.set_ciphers("TLS_CHACHA20_POLY1305_SHA256")
context.minimum_version = ssl.TLSVersion.TLSv1_3
context.load_cert_chain(certfile=client_cert, keyfile=client_key)
context.load_verify_locations(cafile="./CA/CA.pem")
context.verify_mode = CERT_REQUIRED
def receive_messages(tls: ssl.SSLSocket):
try:
while True:
@ -32,8 +36,11 @@ def receive_messages(tls: ssl.SSLSocket):
except KeyboardInterrupt:
return
with create_connection((ip, port)) as client:
with context.wrap_socket(client, server_side=False, server_hostname=hostname) as tls:
with context.wrap_socket(
client, server_side=False, server_hostname=hostname
) as tls:
print(f"Using the following TLS1.3 cipher: ", str(tls.cipher()))
threading.Thread(target=receive_messages, args=(tls,)).start()
@ -45,6 +52,7 @@ with create_connection((ip, port)) as client:
print(f"Client: {message}\n", end="")
tls.sendall(message.encode())
if message.lower() == "exit":
tls.close()
break
except KeyboardInterrupt:
tls.close()