ssh-audit/test/test_dheater.py

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import pytest
from ssh_audit.ssh2_kexdb import SSH2_KexDB
from ssh_audit.dheat import DHEat
class TestDHEat:
@pytest.fixture(autouse=True)
def init(self):
self.SSH2_KexDB = SSH2_KexDB
self.DHEat = DHEat
def test_kex_definition_completeness(self):
alg_db = self.SSH2_KexDB.get_db()
kex_db = alg_db['kex']
# Get all Diffie-Hellman algorithms defined in our database.
dh_algs = []
for kex in kex_db:
if kex.startswith('diffie-hellman-'):
dh_algs.append(kex)
# Ensure that each DH algorithm in our database is in either DHEat's alg_priority or gex_algs list. Also ensure that all non-group exchange algorithms are accounted for in the alg_modulus_sizes dictionary.
for dh_alg in dh_algs:
assert (dh_alg in self.DHEat.alg_priority) or (dh_alg in self.DHEat.gex_algs)
if dh_alg.find("group-exchange") == -1:
assert dh_alg in self.DHEat.alg_modulus_sizes