def test_jwa_appendix_a4(self):
'''
nose2 jose.tests.test_jwe.TestJwe.test_jwa_appendix_a4
'''
import os
json_file = os.path.join(
os.path.dirname(os.path.abspath(__file__)),
'jwe_appendix_a4.json')
msg = Message.from_file(json_file)
# A.4.1 - JWE Per-Recipient Unprotected Headers
self.assertEqual(len(msg.recipients), 2)
rec0, rec1 = msg.recipients
self.assertEqual(rec0.header.alg, KeyEncEnum.RSA1_5)
# self.assertEqual(rec0.header.kid, "2011-04-29")
self.assertEqual(rec1.header.alg, KeyEncEnum.A128KW)
# self.assertEqual(rec1.header.kid, "7")
# A.4.2 - JWE Protected Header
self.assertEqual(
msg._protected.enc, EncEnum.A128CBC_HS256)
# A.4.3 - JWE Unprotected Header
self.assertEqual(
msg.unprotected.jku,
"https://server.example.com/keys.jwks")
# A.4.4 - Complete JWE Header Values
# kid is missing....
dict0 = msg.header(0).to_dict()
dict1 = msg.header(1).to_dict()
self.assertEqual(dict0['alg'], "RSA1_5")
self.assertEqual(dict0['enc'], "A128CBC-HS256")
self.assertEqual(dict0["jku"], "https://server.example.com/keys.jwks")
self.assertEqual(dict1['alg'], "A128KW")
self.assertEqual(dict1['enc'], "A128CBC-HS256")
self.assertEqual(dict1["jku"], "https://server.example.com/keys.jwks")
# A.4.5 - Additional Authenticated Data
aad_oct = [
101, 121, 74, 108, 98, 109, 77,
105, 79, 105, 74, 66, 77, 84, 73,
52, 81, 48, 74, 68, 76, 85, 104, 84,
77, 106, 85, 50, 73, 110, 48]
aad = _S(aad_oct)
self.assertEqual(aad, msg.auth_data)
# A.4.6 - Content Encryption
self.assertEqual(msg.iv, JWE_A3.iv_b64)
tag_oct = [
51, 63, 149, 60, 252, 148, 225,
25, 92, 185, 139, 245, 35, 2, 47, 207]
self.assertEqual(msg.tag, _BE(_S(tag_oct)))
ciphert_oct = [
40, 57, 83, 181, 119, 33,
133, 148, 198, 185, 243, 24, 152, 230, 6,
75, 129, 223, 127, 19, 210, 82, 183,
230, 168, 33, 215, 104, 143,
112, 56, 102]
self.assertEqual(msg.ciphertext, _BE(_S(ciphert_oct)))
self.assertIsNone(msg._plaintext)
self.assertIsNone(msg.cek)
self.assertEqual(msg.tag, "Mz-VPPyU4RlcuYv1IwIvzw")
self.assertEqual(msg.iv, "AxY8DCtDaGlsbGljb3RoZQ")
#: give CEK manually
msg.cek = JWE_B.cek
self.assertEqual(msg.plaintext, JWE_A3.plaint)
#:
print msg.to_json(indent=2)
