Upgrade cryptography from 2.5 to 3.3

Source code is from https://github.com/pyca/cryptography/tree/3.3.x

Run setup.py locally and rename _openssl.so/_padding.so

Bug: 205265538
Test: None
Change-Id: If031739ef5830ba2fb177add74515e4660e2906e
diff --git a/tests/wycheproof/test_rsa.py b/tests/wycheproof/test_rsa.py
index 3d35f42..926bb44 100644
--- a/tests/wycheproof/test_rsa.py
+++ b/tests/wycheproof/test_rsa.py
@@ -20,6 +20,13 @@
     "SHA-256": hashes.SHA256(),
     "SHA-384": hashes.SHA384(),
     "SHA-512": hashes.SHA512(),
+    # Not supported by OpenSSL for RSA signing
+    "SHA-512/224": None,
+    "SHA-512/256": None,
+    "SHA3-224": hashes.SHA3_224(),
+    "SHA3-256": hashes.SHA3_256(),
+    "SHA3-384": hashes.SHA3_384(),
+    "SHA3-512": hashes.SHA3_512(),
 }
 
 
@@ -28,39 +35,34 @@
         return True
 
     if wycheproof.acceptable:
-        if (
-            backend._lib.CRYPTOGRAPHY_OPENSSL_110_OR_GREATER and
-            wycheproof.has_flag("MissingNull")
-        ):
-            return False
-        return True
+        return not wycheproof.has_flag("MissingNull")
 
     return False
 
 
 @pytest.mark.requires_backend_interface(interface=RSABackend)
-@pytest.mark.supported(
-    only_if=lambda backend: (
-        # TODO: this also skips on LibreSSL, which is ok for now, since these
-        # don't pass on Libre, but we'll need to fix this when LibreSSL 2.8 is
-        # released.
-        not backend._lib.CRYPTOGRAPHY_OPENSSL_LESS_THAN_102
-    ),
-    skip_message=(
-        "Many of these tests fail on OpenSSL < 1.0.2 and since upstream isn't"
-        " maintaining it, they'll never be fixed."
-    ),
-)
 @pytest.mark.wycheproof_tests(
     "rsa_signature_test.json",
     "rsa_signature_2048_sha224_test.json",
     "rsa_signature_2048_sha256_test.json",
+    "rsa_signature_2048_sha384_test.json",
     "rsa_signature_2048_sha512_test.json",
+    "rsa_signature_2048_sha512_224_test.json",
+    "rsa_signature_2048_sha512_256_test.json",
+    "rsa_signature_2048_sha3_224_test.json",
+    "rsa_signature_2048_sha3_256_test.json",
+    "rsa_signature_2048_sha3_384_test.json",
+    "rsa_signature_2048_sha3_512_test.json",
     "rsa_signature_3072_sha256_test.json",
     "rsa_signature_3072_sha384_test.json",
     "rsa_signature_3072_sha512_test.json",
+    "rsa_signature_3072_sha512_256_test.json",
+    "rsa_signature_3072_sha3_256_test.json",
+    "rsa_signature_3072_sha3_384_test.json",
+    "rsa_signature_3072_sha3_512_test.json",
     "rsa_signature_4096_sha384_test.json",
     "rsa_signature_4096_sha512_test.json",
+    "rsa_signature_4096_sha512_256_test.json",
 )
 def test_rsa_pkcs1v15_signature(backend, wycheproof):
     key = serialization.load_der_public_key(
@@ -68,6 +70,11 @@
     )
     digest = _DIGESTS[wycheproof.testgroup["sha"]]
 
+    if digest is None or not backend.hash_supported(digest):
+        pytest.skip(
+            "Hash {} not supported".format(wycheproof.testgroup["sha"])
+        )
+
     if should_verify(backend, wycheproof):
         key.verify(
             binascii.unhexlify(wycheproof.testcase["sig"]),
@@ -85,11 +92,30 @@
             )
 
 
+@pytest.mark.wycheproof_tests("rsa_sig_gen_misc_test.json")
+def test_rsa_pkcs1v15_signature_generation(backend, wycheproof):
+    key = serialization.load_pem_private_key(
+        wycheproof.testgroup["privateKeyPem"].encode(),
+        password=None,
+        backend=backend,
+    )
+    digest = _DIGESTS[wycheproof.testgroup["sha"]]
+
+    sig = key.sign(
+        binascii.unhexlify(wycheproof.testcase["msg"]),
+        padding.PKCS1v15(),
+        digest,
+    )
+    assert sig == binascii.unhexlify(wycheproof.testcase["sig"])
+
+
 @pytest.mark.requires_backend_interface(interface=RSABackend)
 @pytest.mark.wycheproof_tests(
     "rsa_pss_2048_sha1_mgf1_20_test.json",
     "rsa_pss_2048_sha256_mgf1_0_test.json",
     "rsa_pss_2048_sha256_mgf1_32_test.json",
+    "rsa_pss_2048_sha512_256_mgf1_28_test.json",
+    "rsa_pss_2048_sha512_256_mgf1_32_test.json",
     "rsa_pss_3072_sha256_mgf1_32_test.json",
     "rsa_pss_4096_sha256_mgf1_32_test.json",
     "rsa_pss_4096_sha512_mgf1_32_test.json",
@@ -102,15 +128,23 @@
     digest = _DIGESTS[wycheproof.testgroup["sha"]]
     mgf_digest = _DIGESTS[wycheproof.testgroup["mgfSha"]]
 
+    if digest is None or mgf_digest is None:
+        pytest.skip(
+            "PSS with digest={} and MGF digest={} not supported".format(
+                wycheproof.testgroup["sha"],
+                wycheproof.testgroup["mgfSha"],
+            )
+        )
+
     if wycheproof.valid or wycheproof.acceptable:
         key.verify(
             binascii.unhexlify(wycheproof.testcase["sig"]),
             binascii.unhexlify(wycheproof.testcase["msg"]),
             padding.PSS(
                 mgf=padding.MGF1(mgf_digest),
-                salt_length=wycheproof.testgroup["sLen"]
+                salt_length=wycheproof.testgroup["sLen"],
             ),
-            digest
+            digest,
         )
     else:
         with pytest.raises(InvalidSignature):
@@ -119,7 +153,88 @@
                 binascii.unhexlify(wycheproof.testcase["msg"]),
                 padding.PSS(
                     mgf=padding.MGF1(mgf_digest),
-                    salt_length=wycheproof.testgroup["sLen"]
+                    salt_length=wycheproof.testgroup["sLen"],
                 ),
-                digest
+                digest,
+            )
+
+
+@pytest.mark.requires_backend_interface(interface=RSABackend)
+@pytest.mark.wycheproof_tests(
+    "rsa_oaep_2048_sha1_mgf1sha1_test.json",
+    "rsa_oaep_2048_sha224_mgf1sha1_test.json",
+    "rsa_oaep_2048_sha224_mgf1sha224_test.json",
+    "rsa_oaep_2048_sha256_mgf1sha1_test.json",
+    "rsa_oaep_2048_sha256_mgf1sha256_test.json",
+    "rsa_oaep_2048_sha384_mgf1sha1_test.json",
+    "rsa_oaep_2048_sha384_mgf1sha384_test.json",
+    "rsa_oaep_2048_sha512_mgf1sha1_test.json",
+    "rsa_oaep_2048_sha512_mgf1sha512_test.json",
+    "rsa_oaep_3072_sha256_mgf1sha1_test.json",
+    "rsa_oaep_3072_sha256_mgf1sha256_test.json",
+    "rsa_oaep_3072_sha512_mgf1sha1_test.json",
+    "rsa_oaep_3072_sha512_mgf1sha512_test.json",
+    "rsa_oaep_4096_sha256_mgf1sha1_test.json",
+    "rsa_oaep_4096_sha256_mgf1sha256_test.json",
+    "rsa_oaep_4096_sha512_mgf1sha1_test.json",
+    "rsa_oaep_4096_sha512_mgf1sha512_test.json",
+    "rsa_oaep_misc_test.json",
+)
+def test_rsa_oaep_encryption(backend, wycheproof):
+    key = serialization.load_pem_private_key(
+        wycheproof.testgroup["privateKeyPem"].encode("ascii"),
+        password=None,
+        backend=backend,
+    )
+    digest = _DIGESTS[wycheproof.testgroup["sha"]]
+    mgf_digest = _DIGESTS[wycheproof.testgroup["mgfSha"]]
+
+    padding_algo = padding.OAEP(
+        mgf=padding.MGF1(algorithm=mgf_digest),
+        algorithm=digest,
+        label=binascii.unhexlify(wycheproof.testcase["label"]),
+    )
+
+    if not backend.rsa_padding_supported(padding_algo):
+        pytest.skip(
+            "OAEP with digest={} and MGF digest={} not supported".format(
+                wycheproof.testgroup["sha"],
+                wycheproof.testgroup["mgfSha"],
+            )
+        )
+
+    if wycheproof.valid or wycheproof.acceptable:
+        pt = key.decrypt(
+            binascii.unhexlify(wycheproof.testcase["ct"]), padding_algo
+        )
+        assert pt == binascii.unhexlify(wycheproof.testcase["msg"])
+    else:
+        with pytest.raises(ValueError):
+            key.decrypt(
+                binascii.unhexlify(wycheproof.testcase["ct"]), padding_algo
+            )
+
+
+@pytest.mark.wycheproof_tests(
+    "rsa_pkcs1_2048_test.json",
+    "rsa_pkcs1_3072_test.json",
+    "rsa_pkcs1_4096_test.json",
+)
+def test_rsa_pkcs1_encryption(backend, wycheproof):
+    key = serialization.load_pem_private_key(
+        wycheproof.testgroup["privateKeyPem"].encode("ascii"),
+        password=None,
+        backend=backend,
+    )
+
+    if wycheproof.valid:
+        pt = key.decrypt(
+            binascii.unhexlify(wycheproof.testcase["ct"]), padding.PKCS1v15()
+        )
+        assert pt == binascii.unhexlify(wycheproof.testcase["msg"])
+    else:
+        with pytest.raises(ValueError):
+            key.decrypt(
+                binascii.unhexlify(wycheproof.testcase["ct"]),
+                padding.PKCS1v15(),
             )