bpo-34399: 2048 bits RSA keys and DH params

Lib/test/ffdh3072.pem

@@ -0,0 +1,41 @@
+    DH Parameters: (3072 bit)
+        prime:
+            00:ff:ff:ff:ff:ff:ff:ff:ff:ad:f8:54:58:a2:bb:
+            4a:9a:af:dc:56:20:27:3d:3c:f1:d8:b9:c5:83:ce:
+            2d:36:95:a9:e1:36:41:14:64:33:fb:cc:93:9d:ce:
+            24:9b:3e:f9:7d:2f:e3:63:63:0c:75:d8:f6:81:b2:
+            02:ae:c4:61:7a:d3:df:1e:d5:d5:fd:65:61:24:33:
+            f5:1f:5f:06:6e:d0:85:63:65:55:3d:ed:1a:f3:b5:
+            57:13:5e:7f:57:c9:35:98:4f:0c:70:e0:e6:8b:77:
+            e2:a6:89:da:f3:ef:e8:72:1d:f1:58:a1:36:ad:e7:
+            35:30:ac:ca:4f:48:3a:79:7a:bc:0a:b1:82:b3:24:
+            fb:61:d1:08:a9:4b:b2:c8:e3:fb:b9:6a:da:b7:60:
+            d7:f4:68:1d:4f:42:a3:de:39:4d:f4:ae:56:ed:e7:
+            63:72:bb:19:0b:07:a7:c8:ee:0a:6d:70:9e:02:fc:
+            e1:cd:f7:e2:ec:c0:34:04:cd:28:34:2f:61:91:72:
+            fe:9c:e9:85:83:ff:8e:4f:12:32:ee:f2:81:83:c3:
+            fe:3b:1b:4c:6f:ad:73:3b:b5:fc:bc:2e:c2:20:05:
+            c5:8e:f1:83:7d:16:83:b2:c6:f3:4a:26:c1:b2:ef:
+            fa:88:6b:42:38:61:1f:cf:dc:de:35:5b:3b:65:19:
+            03:5b:bc:34:f4:de:f9:9c:02:38:61:b4:6f:c9:d6:
+            e6:c9:07:7a:d9:1d:26:91:f7:f7:ee:59:8c:b0:fa:
+            c1:86:d9:1c:ae:fe:13:09:85:13:92:70:b4:13:0c:
+            93:bc:43:79:44:f4:fd:44:52:e2:d7:4d:d3:64:f2:
+            e2:1e:71:f5:4b:ff:5c:ae:82:ab:9c:9d:f6:9e:e8:
+            6d:2b:c5:22:36:3a:0d:ab:c5:21:97:9b:0d:ea:da:
+            1d:bf:9a:42:d5:c4:48:4e:0a:bc:d0:6b:fa:53:dd:
+            ef:3c:1b:20:ee:3f:d5:9d:7c:25:e4:1d:2b:66:c6:
+            2e:37:ff:ff:ff:ff:ff:ff:ff:ff
+        generator: 2 (0x2)
+        recommended-private-length: 276 bits
+-----BEGIN DH PARAMETERS-----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+-----END DH PARAMETERS-----

Lib/test/test_ssl.py

@@ -55,7 +55,6 @@ def data_file(*name):
 BYTES_CAPATH = os.fsencode(CAPATH)
 CAFILE_NEURONIO = data_file("capath", "4e1295a3.0")
 CAFILE_CACERT = data_file("capath", "5ed36f99.0")
-WRONG_CERT = data_file("wrongcert.pem")
 
 CERTFILE_INFO = {
     'issuer': ((('countryName', 'XY'),),
@@ -118,7 +117,7 @@ def data_file(*name):
 NOKIACERT = data_file("nokia.pem")
 NULLBYTECERT = data_file("nullbytecert.pem")
 
-DHFILE = data_file("dh1024.pem")
+DHFILE = data_file("ffdh3072.pem")
 BYTES_DHFILE = os.fsencode(DHFILE)
 
 # Not defined in all versions of OpenSSL
@@ -2825,8 +2824,8 @@ def test_wrong_cert_tls12(self):
         connect to it with a wrong client certificate fails.
         """
         client_context, server_context, hostname = testing_context()
-        # load client cert
-        client_context.load_cert_chain(WRONG_CERT)
+        # load client cert that is not signed by trusted CA
+        client_context.load_cert_chain(CERTFILE)
         # require TLS client authentication
         server_context.verify_mode = ssl.CERT_REQUIRED
         # TLS 1.3 has different handshake
@@ -2858,7 +2857,8 @@ def test_wrong_cert_tls12(self):
     @unittest.skipUnless(ssl.HAS_TLSv1_3, "Test needs TLS 1.3")
     def test_wrong_cert_tls13(self):
         client_context, server_context, hostname = testing_context()
-        client_context.load_cert_chain(WRONG_CERT)
+        # load client cert that is not signed by trusted CA
+        client_context.load_cert_chain(CERTFILE)
         server_context.verify_mode = ssl.CERT_REQUIRED
         server_context.minimum_version = ssl.TLSVersion.TLSv1_3
         client_context.minimum_version = ssl.TLSVersion.TLSv1_3

Misc/NEWS.d/next/Tests/2018-08-14-10-47-44.bpo-34399.D_jd1G.rst

@@ -0,0 +1 @@
+Update all RSA keys and DH params to use at least 2048 bits.