Add JWE implementation

Implements:
draft-ietf-jose-json-web-encryption-40

plus Tests

1 files changed, 63 insertions, 0 deletions

diff --git a/jwcrypto/tests.py b/jwcrypto/tests.py
index 881dfd7..181ca6f 100644
--- a/jwcrypto/tests.py
+++ b/jwcrypto/tests.py
@@ -3,6 +3,7 @@
 from jwcrypto.common import base64url_decode
 from jwcrypto import jwk
 from jwcrypto import jws
+from jwcrypto import jwe
 import json
 import unittest
 
@@ -434,3 +435,65 @@ class TestJWS(unittest.TestCase):
         S = jws.JWS(A6_example['payload'])
         S.deserialize(E_negative)
         self.assertEqual(False, S.objects['valid'])
+
+
+E_A2_plaintext = "Live long and prosper."
+E_A2_protected = "eyJhbGciOiJSU0ExXzUiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0"
+E_A2_key = \
+    {"kty": "RSA",
+     "n": "sXchDaQebHnPiGvyDOAT4saGEUetSyo9MKLOoWFsueri23bOdgWp4Dy1Wl"
+          "UzewbgBHod5pcM9H95GQRV3JDXboIRROSBigeC5yjU1hGzHHyXss8UDpre"
+          "cbAYxknTcQkhslANGRUZmdTOQ5qTRsLAt6BTYuyvVRdhS8exSZEy_c4gs_"
+          "7svlJJQ4H9_NxsiIoLwAEk7-Q3UXERGYw_75IDrGA84-lA_-Ct4eTlXHBI"
+          "Y2EaV7t7LjJaynVJCpkv4LKjTTAumiGUIuQhrNhZLuF_RJLqHpM2kgWFLU"
+          "7-VTdL1VbC2tejvcI2BlMkEpk1BzBZI0KQB0GaDWFLN-aEAw3vRw",
+     "e": "AQAB",
+     "d": "VFCWOqXr8nvZNyaaJLXdnNPXZKRaWCjkU5Q2egQQpTBMwhprMzWzpR8Sxq"
+          "1OPThh_J6MUD8Z35wky9b8eEO0pwNS8xlh1lOFRRBoNqDIKVOku0aZb-ry"
+          "nq8cxjDTLZQ6Fz7jSjR1Klop-YKaUHc9GsEofQqYruPhzSA-QgajZGPbE_"
+          "0ZaVDJHfyd7UUBUKunFMScbflYAAOYJqVIVwaYR5zWEEceUjNnTNo_CVSj"
+          "-VvXLO5VZfCUAVLgW4dpf1SrtZjSt34YLsRarSb127reG_DUwg9Ch-Kyvj"
+          "T1SkHgUWRVGcyly7uvVGRSDwsXypdrNinPA4jlhoNdizK2zF2CWQ",
+     "p": "9gY2w6I6S6L0juEKsbeDAwpd9WMfgqFoeA9vEyEUuk4kLwBKcoe1x4HG68"
+          "ik918hdDSE9vDQSccA3xXHOAFOPJ8R9EeIAbTi1VwBYnbTp87X-xcPWlEP"
+          "krdoUKW60tgs1aNd_Nnc9LEVVPMS390zbFxt8TN_biaBgelNgbC95sM",
+     "q": "uKlCKvKv_ZJMVcdIs5vVSU_6cPtYI1ljWytExV_skstvRSNi9r66jdd9-y"
+          "BhVfuG4shsp2j7rGnIio901RBeHo6TPKWVVykPu1iYhQXw1jIABfw-MVsN"
+          "-3bQ76WLdt2SDxsHs7q7zPyUyHXmps7ycZ5c72wGkUwNOjYelmkiNS0",
+     "dp": "w0kZbV63cVRvVX6yk3C8cMxo2qCM4Y8nsq1lmMSYhG4EcL6FWbX5h9yuv"
+           "ngs4iLEFk6eALoUS4vIWEwcL4txw9LsWH_zKI-hwoReoP77cOdSL4AVcra"
+           "Hawlkpyd2TWjE5evgbhWtOxnZee3cXJBkAi64Ik6jZxbvk-RR3pEhnCs",
+     "dq": "o_8V14SezckO6CNLKs_btPdFiO9_kC1DsuUTd2LAfIIVeMZ7jn1Gus_Ff"
+           "7B7IVx3p5KuBGOVF8L-qifLb6nQnLysgHDh132NDioZkhH7mI7hPG-PYE_"
+           "odApKdnqECHWw0J-F0JWnUd6D2B_1TvF9mXA2Qx-iGYn8OVV1Bsmp6qU",
+     "qi": "eNho5yRBEBxhGBtQRww9QirZsB66TrfFReG_CcteI1aCneT0ELGhYlRlC"
+           "tUkTRclIfuEPmNsNDPbLoLqqCVznFbvdB7x-Tl-m0l_eFTj2KiqwGqE9PZ"
+           "B9nNTwMVvH3VRRSLWACvPnSiwP8N5Usy-WRXS-V7TbpxIhvepTfE0NNo"}
+E_A2_vector = \
+    "eyJhbGciOiJSU0ExXzUiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0." \
+    "UGhIOguC7IuEvf_NPVaXsGMoLOmwvc1GyqlIKOK1nN94nHPoltGRhWhw7Zx0-kFm" \
+    "1NJn8LE9XShH59_i8J0PH5ZZyNfGy2xGdULU7sHNF6Gp2vPLgNZ__deLKxGHZ7Pc" \
+    "HALUzoOegEI-8E66jX2E4zyJKx-YxzZIItRzC5hlRirb6Y5Cl_p-ko3YvkkysZIF" \
+    "NPccxRU7qve1WYPxqbb2Yw8kZqa2rMWI5ng8OtvzlV7elprCbuPhcCdZ6XDP0_F8" \
+    "rkXds2vE4X-ncOIM8hAYHHi29NX0mcKiRaD0-D-ljQTP-cFPgwCp6X-nZZd9OHBv" \
+    "-B3oWh2TbqmScqXMR4gp_A." \
+    "AxY8DCtDaGlsbGljb3RoZQ." \
+    "KDlTtXchhZTGufMYmOYGS4HffxPSUrfmqCHXaI9wOGY." \
+    "9hH0vgRfYgPnAHOd8stkvw"
+
+E_A2_ex = {'key': jwk.JWK(**E_A2_key),  # pylint: disable=star-args
+           'protected': base64url_decode(E_A2_protected),
+           'plaintext': E_A2_plaintext,
+           'vector': E_A2_vector}
+
+
+class TestJWE(unittest.TestCase):
+    def test_A2(self):
+        E = jwe.JWE(E_A2_ex['plaintext'], E_A2_ex['protected'])
+        E.add_recipient(E_A2_ex['key'])
+        # Encrypt and serialize using compact
+        e = E.serialize(compact=True)
+        # And test that we can decrypt our own
+        E.deserialize(e, E_A2_ex['key'])
+        # Now test the Spec Test Vector
+        E.deserialize(E_A2_ex['vector'], E_A2_ex['key'])