def generate_weak_sig_cert(domain, base_year, quiet=False):
if not quiet:
write('Generating weak-sig cert ... ', end='')
full_domain = 'weak-sig.{}'.format(domain)
ca_private_key = load_private('ca')
ca_cert = load_cert('ca')
public_key = load_public('host')
builder = CertificateBuilder(
{
'country_name': 'US',
'state_or_province_name': 'Massachusetts',
'locality_name': 'Newbury',
'organization_name': 'Bad TLS Limited',
'common_name': full_domain,
},
public_key
)
builder.issuer = ca_cert
builder.subject_alt_domains = [full_domain]
# Hack since API doesn't allow selection of weak algo
builder._hash_algo = 'md5'
builder.begin_date = datetime(base_year, 1, 1, 0, 0, 0, tzinfo=timezone.utc)
builder.end_date = datetime(base_year + 3, 1, 1, 0, 0, 0, tzinfo=timezone.utc)
certificate = builder.build(ca_private_key)
dump_cert('weak-sig', certificate)
if not quiet:
write('done')
def generate_client_certs(domain, base_year, quiet=False):
ca_private_key = load_private('ca')
ca_cert = load_cert('ca')
ca2_private_key = load_private('ca2')
ca2_cert = load_cert('ca2')
public_key = load_public('client')
crl_url = 'http://crls.{}:9991/client.crl'.format(domain)
# Certificate that is valid
if not quiet:
write('Generating good client cert ... ', end='')
builder = CertificateBuilder(
{
'country_name': 'US',
'state_or_province_name': 'Massachusetts',
'locality_name': 'Newbury',
'organization_name': 'TLS Client Certificates Limited',
'common_name': 'Good TLS Client Certificate',
}, public_key)
builder.issuer = ca_cert
builder.crl_url = crl_url
builder.begin_date = datetime(base_year,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
builder.end_date = datetime(base_year + 3,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
certificate = builder.build(ca_private_key)
dump_cert('client-good', certificate)
if not quiet:
write('done')
# Certificate that has expired
if not quiet:
write('Generating expired client cert ... ', end='')
builder = CertificateBuilder(
{
'country_name': 'US',
'state_or_province_name': 'Massachusetts',
'locality_name': 'Newbury',
'organization_name': 'TLS Client Certificates Limited',
'common_name': 'Expired TLS Client Certificate',
}, public_key)
builder.issuer = ca_cert
builder.crl_url = crl_url
builder.begin_date = datetime(base_year - 1,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
builder.end_date = datetime(base_year, 1, 1, 0, 0, 0, tzinfo=timezone.utc)
certificate = builder.build(ca_private_key)
dump_cert('client-expired', certificate)
if not quiet:
write('done')
# Certificate that is not yet valid
if not quiet:
write('Generating future client cert ... ', end='')
builder = CertificateBuilder(
{
'country_name': 'US',
'state_or_province_name': 'Massachusetts',
'locality_name': 'Newbury',
'organization_name': 'TLS Client Certificates Limited',
'common_name': 'Future TLS Client Certificate',
}, public_key)
builder.issuer = ca_cert
builder.crl_url = crl_url
builder.begin_date = datetime(base_year + 3,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
builder.end_date = datetime(base_year + 4,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
certificate = builder.build(ca_private_key)
dump_cert('client-future', certificate)
if not quiet:
write('done')
# Certificate issued by untrusted CA
if not quiet:
write('Generating untrusted client cert ... ', end='')
builder = CertificateBuilder(
{
'country_name': 'US',
'state_or_province_name': 'Massachusetts',
'locality_name': 'Newbury',
'organization_name': 'TLS Client Certificates Limited',
'common_name': 'Untrusted TLS Client Certificate',
}, public_key)
builder.issuer = ca2_cert
builder.begin_date = datetime(base_year,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
builder.end_date = datetime(base_year + 3,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
certificate = builder.build(ca2_private_key)
dump_cert('client-untrusted', certificate)
if not quiet:
write('done')
# Certificate that has a weak signature
if not quiet:
write('Generating weak client cert ... ', end='')
builder = CertificateBuilder(
{
'country_name': 'US',
'state_or_province_name': 'Massachusetts',
'locality_name': 'Newbury',
'organization_name': 'TLS Client Certificates Limited',
'common_name': 'Weak TLS Client Certificate',
}, public_key)
builder.issuer = ca_cert
builder.crl_url = crl_url
# Hack since API doesn't allow selection of weak algo
builder._hash_algo = 'md5'
builder.begin_date = datetime(base_year,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
builder.end_date = datetime(base_year + 3,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
certificate = builder.build(ca_private_key)
dump_cert('client-weak', certificate)
if not quiet:
write('done')
# Certificate that has bad key usage
if not quiet:
write('Generating bad key usage client cert ... ', end='')
builder = CertificateBuilder(
{
'country_name': 'US',
'state_or_province_name': 'Massachusetts',
'locality_name': 'Newbury',
'organization_name': 'TLS Client Certificates Limited',
'common_name': 'Bad Key Usage TLS Client Certificate',
}, public_key)
builder.issuer = ca_cert
builder.crl_url = crl_url
builder.begin_date = datetime(base_year,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
builder.end_date = datetime(base_year + 3,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
builder.key_usage = set(['crl_sign'])
builder.extended_key_usage = set(['email_protection'])
certificate = builder.build(ca_private_key)
dump_cert('client-bad-key-usage', certificate)
if not quiet:
write('done')
# Certificate that has been revoked
if not quiet:
write('Generating revoked client cert ... ', end='')
builder = CertificateBuilder(
{
'country_name': 'US',
'state_or_province_name': 'Massachusetts',
'locality_name': 'Newbury',
'organization_name': 'TLS Client Certificates Limited',
'common_name': 'Revoked TLS Client Certificate',
}, public_key)
builder.issuer = ca_cert
builder.crl_url = crl_url
builder.begin_date = datetime(base_year,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
builder.end_date = datetime(base_year + 3,
1,
1,
0,
0,
0,
tzinfo=timezone.utc)
revoked_certificate = builder.build(ca_private_key)
dump_cert('client-revoked', revoked_certificate)
if not quiet:
write('done')
crl_number = 1000
crl_builder = CertificateListBuilder(crl_url, ca_cert, crl_number)
crl_builder.add_certificate(
revoked_certificate.serial_number,
datetime(base_year, 1, 2, 0, 0, 0, tzinfo=timezone.utc),
'key_compromise')
certificate_list = crl_builder.build(ca_private_key)
dump_crl('client', certificate_list)
