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import pytest
from ssh_audit.ssh2_kexdb import SSH2_KexDB
class Test_SSH2_KexDB:
@pytest.fixture(autouse=True)
def init(self):
self.db = SSH2_KexDB.get_db()
def test_ssh2_kexdb(self):
'''Ensures that the SSH2_KexDB.ALGORITHMS dictionary is in the right format.'''
db_keys = list(self.db.keys())
db_keys.sort()
# Ensure only these keys exist in the database.
assert db_keys == ['enc', 'kex', 'key', 'mac']
# For 'enc', 'kex', etc...
for alg_type in self.db:
# Iterate over algorithms within this type (i.e.: all 'enc' algorithms, all 'kex' algorithms, etc).
for alg_name in self.db[alg_type]:
# Get the list of failures, warnings, etc., for this algorithm.
alg_data = self.db[alg_type][alg_name]
# This list must be between 1 and 4 entries long.
assert 1 <= len(alg_data) <= 4
# The first entry denotes the versions when this algorithm was added to OpenSSH, Dropbear, and/or libssh, followed by when it was deprecated, and finally when it was removed. Hence it must have between 0 and 3 entries.
added_entry = alg_data[0]
assert 0 <= len(added_entry) <= 3
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