def test_pse_v2_lps_off_pbes1_3des_sha1_decrypt(self):
"""Test decryption of a v2 PBES1 encrypted PSE with LPS off"""
with open(data_filename("pse_v2_lps_off_pbes1_3des_sha1.pse"), "rb") as fd:
s = fd.read()
pse = SAPPSEFile(s)
self.assertRaisesRegexp(ValueError, "Invalid PIN supplied", pse.decrypt, "Some Invalid PIN")
pse.decrypt(self.decrypt_pin)
def test_pse_v2_lps_off_pbes1_3des_sha1_decrypt(self):
"""Test decryption of a v2 PBES1 encrypted PSE with LPS off"""
with open(data_filename("pse_v2_lps_off_pbes1_3des_sha1.pse"), "rb") as fd:
s = fd.read()
pse = SAPPSEFile(s)
self.assertRaisesRegexp(ValueError, "Invalid PIN supplied", pse.decrypt, "Some Invalid PIN")
pse.decrypt(self.decrypt_pin)
def parse_pse(filename):
"""Parses a PSE file and produces """
with open(filename, "rb") as f:
data = f.read()
pse_file = SAPPSEFile(data)
if pse_file.enc_cont.algorithm_identifier.alg_id == PKCS12_ALGORITHM_PBE1_SHA_3DES_CBC:
pbe_algo = 1
salt = hexlify(
pse_file.enc_cont.algorithm_identifier.parameters.salt.val)
salt_size = len(
pse_file.enc_cont.algorithm_identifier.parameters.salt.val)
iterations = pse_file.enc_cont.algorithm_identifier.parameters.iterations.val
iv = ""
iv_size = len(iv)
else:
raise Exception("Unsupported encryption algorithm")
encrypted_pin = hexlify(pse_file.enc_cont.encrypted_pin.val)
encrypted_pin_length = len(pse_file.enc_cont.encrypted_pin.val)
return "{}:$pse${}${}${}${}${}${}${}${}:::::\n".format(
filename,
pbe_algo,
iterations,
salt_size,
salt,
iv_size,
iv,
encrypted_pin_length,
encrypted_pin,
)
def test_pse_v4_lps_off_pbes1_3des_sha1(self):
"""Test parsing of a v4 PBES1 encrypted PSE with LPS off"""
with open(data_filename("pse_v4_lps_off_pbes1_3des_sha1.pse"), "rb") as fd:
s = fd.read()
pse = SAPPSEFile(s)
self.assertEqual(pse.version, 4)
self.assertEqual(pse.enc_cont.algorithm_identifier.alg_id.val, PKCS12_ALGORITHM_PBE1_SHA_3DES_CBC)
self.assertEqual(pse.enc_cont.algorithm_identifier.parameters.iterations, self.iterations)
self.assertEqual(len(pse.enc_cont.algorithm_identifier.parameters.salt.val), 8)
