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

net/data/ssl/certificates/client_5_ca.pem

Index: net/data/ssl/certificates/client_5_ca.pem
diff --git a/net/data/ssl/certificates/client_5_ca.pem b/net/data/ssl/certificates/client_5_ca.pem
new file mode 100644
index 0000000000000000000000000000000000000000..78080961705457ee9089e6ad0dfa2c14aa670202
--- /dev/null
+++ b/net/data/ssl/certificates/client_5_ca.pem
@@ -0,0 +1,71 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 4098 (0x1002)
+    Signature Algorithm: sha256WithRSAEncryption
+        Issuer: CN=C Root CA
+        Validity
+            Not Before: Dec  9 20:18:57 2016 GMT
+            Not After : Dec  7 20:18:57 2026 GMT
+        Subject: CN=E CA
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:c3:39:c3:5a:8e:ff:f2:1d:cc:26:91:5d:15:9e:
+                    ca:e0:fb:cf:99:5f:13:3d:c6:37:59:8b:ce:cc:76:
+                    0e:1c:9f:b6:49:5b:09:97:63:9d:e1:00:74:44:fb:
+                    2f:53:f3:d5:03:92:77:97:53:74:7e:d2:da:d3:a3:
+                    f4:c1:91:6a:83:ff:89:fe:73:46:56:ca:6d:51:0d:
+                    57:16:3d:3e:e8:fc:00:d9:4a:7a:7d:93:84:06:12:
+                    c5:ff:31:b3:a6:eb:96:18:71:b8:56:5c:2f:ab:78:
+                    e2:53:dd:15:d8:65:c8:f6:96:14:dc:15:cf:2a:39:
+                    ed:e1:08:1b:84:29:c7:1c:78:67:c8:e0:72:58:4e:
+                    33:7f:cb:ef:71:82:db:45:1d:7c:0c:d0:f5:4c:af:
+                    85:6b:14:61:50:87:34:42:fe:45:a3:3c:a3:53:57:
+                    1d:ac:11:c8:cf:2f:5e:cb:78:87:39:a1:41:3f:69:
+                    21:5c:1e:19:02:a3:6c:91:d3:1b:4e:50:fc:a4:b1:
+                    03:87:c0:58:b1:fe:cd:58:5e:53:ed:c9:d6:5d:9e:
+                    a3:fb:0d:e0:a0:8e:3d:c9:9e:9e:83:07:61:c7:30:
+                    5a:ca:29:93:04:af:5e:f3:57:2e:c2:d8:c8:ae:7f:
+                    5c:a4:27:fa:cd:55:a2:fd:89:d2:0b:87:24:6b:7b:
+                    fb:19
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Basic Constraints: critical
+                CA:TRUE
+            X509v3 Key Usage: critical
+                Certificate Sign, CRL Sign
+    Signature Algorithm: sha256WithRSAEncryption
+         67:d4:6c:cf:cd:54:81:67:2a:c2:c4:66:c7:76:9c:b0:8b:6b:
+         ef:b8:ae:a9:b3:d6:f8:47:91:d5:97:0b:bd:1a:87:21:8c:ce:
+         be:0c:80:d5:a5:25:0d:0a:c7:ed:be:cb:8c:6d:08:e8:de:a5:
+         33:89:e6:87:df:2b:f4:54:b3:c2:94:15:0d:36:5e:1a:aa:c0:
+         b0:03:3c:24:c6:a1:81:91:ca:fe:db:0f:59:1b:d6:4e:48:0b:
+         52:d3:e7:07:d7:b1:ca:b2:22:e4:d4:37:a4:3c:87:3c:0a:11:
+         a6:10:2a:ed:86:2a:bb:db:10:7e:f3:a5:fc:10:ab:80:5b:07:
+         58:7c:22:76:3e:9b:9c:72:79:0d:dc:85:f8:e7:c2:0f:17:aa:
+         01:dd:8e:24:27:77:4e:23:03:da:88:e0:df:e6:ca:b4:84:56:
+         a1:dc:9f:e0:93:94:97:d2:98:cd:32:6d:73:84:f9:3e:4c:96:
+         b3:51:07:b8:9f:66:32:d1:ac:53:0e:17:a9:6f:29:d1:7b:73:
+         b3:55:9b:cc:8f:8b:e5:49:fd:fd:f2:30:d6:d0:f7:03:06:12:
+         e3:66:2d:0d:a1:da:28:04:04:29:b8:40:6e:0e:6f:31:48:cb:
+         54:f7:e2:89:22:d8:05:e0:f5:7e:48:b3:96:ff:6b:ef:e7:fe:
+         71:1d:0b:77
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----