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import unittest
from paramiko.message import Message
from paramiko.agent import (
SSH2_AGENT_SIGN_RESPONSE,
cSSH2_AGENTC_SIGN_REQUEST,
SSH_AGENT_RSA_SHA2_256,
SSH_AGENT_RSA_SHA2_512,
AgentKey,
)
from paramiko.py3compat import b
class ChaosAgent:
def _send_message(self, msg):
self._sent_message = msg
sig = Message()
sig.add_string(b("lol"))
sig.rewind()
return SSH2_AGENT_SIGN_RESPONSE, sig
class AgentTests(unittest.TestCase):
def _sign_with_agent(self, kwargs, expectation):
agent = ChaosAgent()
key = AgentKey(agent, b("secret!!!"))
result = key.sign_ssh_data(b("token"), **kwargs)
assert result == b("lol")
msg = agent._sent_message
msg.rewind()
assert msg.get_byte() == cSSH2_AGENTC_SIGN_REQUEST
assert msg.get_string() == b("secret!!!")
assert msg.get_string() == b("token")
assert msg.get_int() == expectation
def test_agent_signing_defaults_to_0_for_flags_field(self):
# No algorithm kwarg at all
self._sign_with_agent(kwargs=dict(), expectation=0)
def test_agent_signing_is_2_for_SHA256(self):
self._sign_with_agent(
kwargs=dict(algorithm="rsa-sha2-256"),
expectation=SSH_AGENT_RSA_SHA2_256,
)
def test_agent_signing_is_2_for_SHA512(self):
self._sign_with_agent(
kwargs=dict(algorithm="rsa-sha2-512"),
expectation=SSH_AGENT_RSA_SHA2_512,
)
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