Regenerate the long-lived test certificates to use SHA-256

net/data/ssl/certificates/2048-rsa-ee-by-prime256v1-ecdsa-intermediate.pem

 Certificate:
     Data:
         Version: 1 (0x0)
-        Serial Number: 238 (0xee)
-        Signature Algorithm: ecdsa-with-SHA1
+        Serial Number: 3 (0x3)
+    Signature Algorithm: ecdsa-with-SHA256
         Issuer: CN=prime256v1 ecdsa Test intermediate CA
         Validity
-            Not Before: Dec 12 22:47:54 2011 GMT
-            Not After : Dec  9 22:47:54 2021 GMT
+            Not Before: Aug 14 02:47:21 2014 GMT
+            Not After : Aug 11 02:47:21 2024 GMT
         Subject: C=US, ST=California, L=Mountain View, O=Test CA, CN=127.0.0.1
         Subject Public Key Info:
             Public Key Algorithm: rsaEncryption
-            RSA Public Key: (2048 bit)
-                Modulus (2048 bit):
-                    00:92:b8:c2:a0:68:77:27:d3:07:af:d4:3f:4a:d9:
-                    56:08:ec:12:e5:d1:70:0a:1f:c1:29:b9:20:2b:65:
-                    1a:de:b3:25:72:5c:3b:72:28:9e:11:d9:9f:f5:2a:
-                    8a:f5:1e:f2:d0:cd:fd:8b:ba:2f:22:19:8e:34:f8:
-                    8a:c5:df:f0:d7:c9:d9:cb:fc:18:94:9f:5d:8c:e7:
-                    c3:33:f7:b5:18:dd:48:24:16:1c:56:19:92:cf:1e:
-                    1a:aa:45:2e:85:23:57:f1:b2:6c:04:e8:75:a2:92:
-                    15:c9:02:64:96:b0:86:14:26:ab:6f:c1:4d:db:07:
-                    7b:16:61:7e:d7:26:83:5f:0b:b2:5e:08:5b:63:30:
-                    38:bf:50:92:3c:cc:57:fd:05:91:4a:f4:99:1b:a3:
-                    4b:de:99:08:2f:e4:b6:4e:e2:74:ee:35:5e:8a:9d:
-                    32:4d:60:c6:89:cf:c8:34:1b:73:95:dc:58:75:fd:
-                    fd:fb:83:08:78:09:fe:09:58:f3:c2:64:95:14:28:
-                    bd:92:c4:a4:25:9d:4e:a9:07:4b:ca:7c:ec:2b:e3:
-                    8b:f1:2e:bd:64:d4:53:c7:4a:4e:0a:b3:65:df:08:
-                    fe:37:20:db:87:8d:cc:67:62:4a:98:b2:ed:47:9a:
-                    77:26:da:b2:03:2f:59:5d:a2:41:35:78:b1:b2:85:
-                    4a:15
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:be:62:55:d9:e1:04:3b:1d:4c:2e:0d:2f:dc:8d:
+                    79:ed:66:e3:dd:04:ef:b2:51:91:1f:3f:8b:f9:89:
+                    0d:cf:09:29:06:54:50:d0:fa:29:9d:4f:bb:80:ec:
+                    00:ed:2b:c4:bd:d1:9b:ff:36:fd:9a:76:41:49:98:
+                    e0:ad:49:fd:03:d1:90:74:db:6c:37:fb:fc:55:6c:
+                    08:4d:de:2e:67:a5:8d:9f:5c:48:5f:c9:7b:f9:73:
+                    aa:9d:f6:32:05:63:2e:53:0d:3d:47:92:29:58:aa:
+                    36:74:41:1f:80:db:69:bf:1a:0f:1d:0c:a6:40:27:
+                    71:c4:df:cf:e7:c9:c2:c6:86:47:03:d4:93:6e:74:
+                    f3:11:70:1e:d9:4e:73:60:e5:85:49:41:ff:e3:8d:
+                    7d:9d:cd:77:40:a9:72:c2:c0:91:bb:bc:62:07:b7:
+                    00:78:95:23:55:92:6b:71:b5:df:cc:53:68:47:45:
+                    5b:c0:7a:ed:b5:d8:dd:c7:b3:3b:87:ef:19:8d:bf:
+                    0e:ab:11:35:ea:cb:f9:b8:1f:aa:c6:3e:87:8e:d4:
+                    d1:e0:3a:2f:69:4c:f9:c3:84:2c:7c:a1:82:ca:b3:
+                    05:31:d2:91:6a:73:21:38:0c:61:c8:57:3d:71:01:
+                    b5:a7:36:50:cd:97:6e:da:93:b0:c7:47:cc:c3:94:
+                    b1:8b
                 Exponent: 65537 (0x10001)
         X509v3 extensions:
             X509v3 Subject Alternative Name: 
                 IP Address:127.0.0.1
-    Signature Algorithm: ecdsa-with-SHA1
-        30:46:02:21:00:94:ad:24:93:85:3b:9f:cf:67:8c:cc:01:31:
-        ed:8c:23:ed:79:fa:3d:88:b0:57:e1:29:71:f2:d1:15:90:cc:
-        73:02:21:00:a8:66:ce:74:c8:3f:e7:71:c2:08:46:54:5b:7b:
-        0a:a3:76:1b:13:0b:9c:0e:8d:13:c0:01:6d:2b:34:93:86:7e
+    Signature Algorithm: ecdsa-with-SHA256
+         30:46:02:21:00:84:38:9b:2e:ce:b0:63:69:ea:52:fe:c9:3d:
+         44:1d:db:77:b5:9e:81:f1:ec:22:70:cd:0d:fc:d5:ad:b7:e9:
+         ce:02:21:00:ff:de:1a:58:ab:80:e9:98:f2:ca:9b:ce:70:c3:
+         26:73:d0:ed:9e:88:b7:7e:fa:2f:31:bb:7a:1c:19:93:6a:08
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----