Fix P-521 client cert mapping and test all curves.

net/data/ssl/certificates/client_2.pem

 Certificate:
     Data:
         Version: 3 (0x2)
         Serial Number: 4098 (0x1002)
     Signature Algorithm: sha256WithRSAEncryption
         Issuer: CN=E CA
         Validity
-            Not Before: Oct  4 18:53:24 2016 GMT
-            Not After : Oct  2 18:53:24 2026 GMT
+            Not Before: Dec  9 20:18:57 2016 GMT
+            Not After : Dec  7 20:18:57 2026 GMT
         Subject: CN=Client Cert D
         Subject Public Key Info:
             Public Key Algorithm: rsaEncryption
                 Public-Key: (2048 bit)
                 Modulus:
-                    00:eb:c9:4b:5d:f9:b5:a9:fc:eb:19:88:97:b5:79:
-                    98:7d:af:e0:c1:b7:12:18:b4:dc:bb:75:53:0f:d0:
-                    a8:c3:60:38:eb:93:cf:c2:9e:9b:b3:a4:2e:dd:e1:
-                    60:c2:be:e6:71:e4:3b:da:95:38:d7:4f:b3:13:0c:
-                    68:d5:ba:87:a2:b7:1c:d6:a8:5e:98:30:4b:11:a2:
-                    f9:72:ed:4a:13:2c:37:18:df:7b:90:94:f1:38:c4:
-                    78:cd:a8:51:f0:8b:c3:a6:76:11:ce:34:ed:99:93:
-                    ae:2d:4a:59:ec:ba:37:a0:ea:2e:2c:34:3a:3a:9a:
-                    0e:c3:d9:8b:bb:62:3b:46:d5:5c:f1:c4:02:8b:23:
-                    a7:41:55:8a:79:26:c3:43:ff:a8:af:f9:b7:0d:46:
-                    d0:ab:e5:b2:83:d4:d3:8c:35:80:01:ba:b1:bb:79:
-                    8f:e4:97:fc:9d:df:08:ff:10:1b:47:17:b4:8c:14:
-                    96:f2:18:99:fb:e6:31:8e:8f:e4:2d:59:08:fa:ce:
-                    13:04:55:55:dd:d6:ae:d9:be:68:1c:63:2c:16:80:
-                    45:09:a4:c8:c8:4f:b8:29:90:0a:64:07:69:b6:fc:
-                    6e:87:58:9c:17:f1:a1:49:9c:b7:f8:7d:70:d7:6d:
-                    ae:62:6a:bb:28:0e:e9:1b:7d:ac:05:a4:14:97:48:
-                    b0:9d
+                    00:e0:8c:c2:95:fc:66:82:49:64:24:7b:9a:07:82:
+                    65:2c:84:7a:67:c7:a1:22:3a:09:f3:af:02:f1:80:
+                    39:23:6d:cf:0f:11:c8:1b:a5:be:97:71:7d:f0:81:
+                    40:68:ee:35:ab:85:54:fc:88:a6:05:13:08:46:21:
+                    99:3a:41:e0:06:2f:cd:41:2d:67:bb:5d:48:40:ac:
+                    65:d5:ac:e5:8e:cd:b3:bf:32:c2:57:d8:f6:db:40:
+                    8d:c8:3a:af:b3:1b:f5:df:fd:ba:5b:ea:db:8e:c6:
+                    7e:d1:57:48:37:e9:61:e9:16:3d:02:18:43:70:0e:
+                    41:bc:de:af:8d:93:85:47:4d:b2:a4:88:a7:a1:23:
+                    8a:9e:16:4e:30:b4:55:b2:8b:0f:b8:a4:b5:aa:56:
+                    97:0a:b5:83:f1:9e:e7:d6:d0:f8:92:86:7a:fb:d6:
+                    22:60:25:60:67:ba:4a:35:32:12:f2:44:7c:6f:73:
+                    e3:a6:6f:bc:43:e1:55:47:e1:d9:5a:86:32:48:4d:
+                    67:ff:0e:af:0e:62:b8:ed:35:14:23:6b:dd:04:7a:
+                    67:29:b8:ac:ff:f0:e3:54:7a:ec:0d:0d:59:aa:ab:
+                    f1:47:00:d2:14:bb:48:a0:cc:2e:33:23:b7:ad:6b:
+                    aa:b1:ad:85:9e:f8:09:6e:f0:3d:5c:3e:0f:bf:71:
+                    77:8f
                 Exponent: 65537 (0x10001)
         X509v3 extensions:
             X509v3 Basic Constraints: critical
                 CA:FALSE
             X509v3 Extended Key Usage: 
                 TLS Web Server Authentication, TLS Web Client Authentication
     Signature Algorithm: sha256WithRSAEncryption
-         9f:d0:6e:8b:08:58:16:b5:78:3f:05:bb:59:bc:cf:74:1c:88:
-         b0:7e:10:c5:71:9d:b5:08:05:59:ca:f0:c8:64:49:96:82:8b:
-         14:0c:da:9d:be:a2:8b:37:df:e1:69:bc:8e:f4:be:80:3f:f9:
-         8a:1d:7a:70:37:3c:18:a0:92:27:10:e3:74:ca:fa:b8:db:f2:
-         c6:a5:32:66:85:88:29:3a:4e:64:95:85:b4:43:37:8a:6d:48:
-         f4:12:2f:b2:d0:66:c9:b7:88:ad:b8:a7:1f:97:59:bf:d9:0d:
-         d6:ce:ff:5f:75:2f:d2:e0:69:c8:d6:17:b9:fd:3c:ed:fd:1f:
-         47:14:f8:ef:0b:33:2a:1c:14:25:d1:82:90:d3:67:1b:ea:b0:
-         f7:5b:78:a9:9d:28:1b:d3:cd:8d:bd:30:c2:7e:12:32:dd:83:
-         cc:57:47:b3:e7:0c:79:b5:f8:a0:f4:f0:d8:29:1b:9b:fb:2f:
-         a9:1c:cb:a9:84:14:29:c7:23:b8:85:88:d9:78:5f:c7:a4:c6:
-         1b:bd:6e:70:2e:a2:be:31:98:c7:9c:35:1d:44:59:f8:31:83:
-         87:ee:a9:c7:ab:f5:6f:e6:8a:cc:49:5f:23:fd:7c:a4:61:01:
-         9b:51:d8:b0:85:9a:bf:1d:9d:62:3e:b0:7c:e0:5e:57:ed:69:
-         3c:f3:8c:54
+         95:de:33:2f:e2:11:c2:6d:64:4a:5f:98:69:cb:a3:c6:bd:a1:
+         0f:00:9c:32:c8:83:c7:05:14:21:e3:ab:fa:7a:f8:43:36:95:
+         6c:85:8b:b5:ee:2c:fc:4b:77:95:8a:bf:2f:89:c1:cc:c2:21:
+         99:40:c4:01:be:2a:4a:5b:d9:61:06:16:b0:5d:3f:27:ad:e3:
+         57:5c:41:89:fb:3b:dc:73:45:ac:05:e2:dd:89:95:74:09:30:
+         68:3c:3f:e8:bc:e6:94:4a:ed:4c:74:90:ad:a0:a4:97:c0:04:
+         9b:13:81:a5:24:76:db:4c:49:8f:80:f9:7c:7f:8b:f9:de:45:
+         65:5d:03:b2:c7:99:3b:56:b1:f8:29:7e:b4:69:fe:f9:29:b3:
+         b6:59:bd:51:b1:02:97:5b:db:29:5e:9a:b5:1f:75:42:0f:7e:
+         58:bc:e3:3f:39:ea:7b:12:c7:68:06:c0:e4:78:f4:e9:b4:9b:
+         4c:fc:94:06:a3:1a:37:8b:3d:cd:67:f9:f4:e9:87:20:6c:07:
+         71:62:85:78:35:96:9c:ef:98:59:33:50:83:7a:32:ad:22:01:
+         3a:20:05:05:05:b0:62:9d:4e:20:94:1b:05:cc:7d:bb:ba:98:
+         a0:51:d2:50:b5:cb:d8:97:0f:42:13:65:2a:14:b8:cd:f2:24:
+         5f:0e:6e:6b
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----