Add CertIssuerSource interface and CertIssuerSourceStatic implementation.

net/data/cert_issuer_source_static_unittest/i1_1.pem

+Generated by ./generate-certs.py.
+Refer to generator script docstring for details.
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 2 (0x2)
+    Signature Algorithm: sha256WithRSAEncryption
+        Issuer: CN=Root
+        Validity
+            Not Before: Jan  1 12:00:00 2015 GMT
+            Not After : Jan  1 12:00:00 2016 GMT
+        Subject: CN=I1
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:c8:26:47:62:ee:66:2d:a6:8d:90:4f:5d:60:4e:
+                    5c:fb:c4:54:22:7c:07:d6:af:57:f2:d5:cb:00:24:
+                    2a:6b:0c:76:e3:90:14:fe:d0:0b:74:fa:3a:a2:33:
+                    c9:b3:1f:9f:d5:69:7c:7c:51:56:8f:e9:48:e7:ac:
+                    c0:76:72:a4:1d:93:0d:c3:b4:ed:99:2d:5a:70:31:
+                    e9:83:a1:58:05:6e:50:c0:2e:5d:d9:e2:97:a6:ef:
+                    08:e1:21:1c:a6:18:74:23:85:e0:0f:b7:85:b7:3c:
+                    e8:a2:ab:09:40:91:b4:21:51:2b:20:be:96:a8:eb:
+                    e9:2e:a1:0e:10:bd:bf:35:90:c8:02:7f:08:c1:1c:
+                    6c:2c:71:98:79:5c:78:83:2c:96:6b:f0:fe:85:bd:
+                    f9:11:6a:8b:86:2f:73:64:e2:94:31:cc:bc:35:65:
+                    bd:43:42:7a:fa:12:a4:71:af:7f:2f:49:28:e9:07:
+                    04:d2:d2:0b:7f:83:b8:80:20:b0:1e:b7:7f:c2:24:
+                    13:b9:04:92:35:00:77:3a:86:8f:be:1a:88:79:7c:
+                    3c:0f:b2:62:21:8d:1c:04:22:7f:ff:e0:c4:6f:98:
+                    68:72:d6:02:97:72:19:71:4b:5d:b3:90:4e:b3:71:
+                    68:58:9d:ff:53:f0:e3:5d:4c:01:1f:18:2f:d7:d0:
+                    72:6f
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                6C:0B:63:35:AC:38:8B:C1:0C:F8:E5:53:88:09:6A:97:76:E9:EA:AB
+            X509v3 Authority Key Identifier: 
+                keyid:3D:DD:2C:00:BE:89:E0:43:4C:05:77:67:07:60:FC:AC:BE:48:D0:A4
+
+            Authority Information Access: 
+                CA Issuers - URI:http://url-for-aia/Root.cer
+
+            X509v3 CRL Distribution Points: 
+
+                Full Name:
+                  URI:http://url-for-crl/Root.crl
+
+            X509v3 Key Usage: critical
+                Certificate Sign, CRL Sign
+            X509v3 Basic Constraints: critical
+                CA:TRUE
+    Signature Algorithm: sha256WithRSAEncryption
+         14:7a:f9:23:d9:15:da:95:72:31:67:ce:27:2f:a0:ba:5e:d4:
+         69:c2:cd:dc:b7:40:8a:9b:13:16:04:47:33:b5:0d:91:ef:62:
+         25:56:37:88:05:35:25:31:b9:fb:0f:fe:d1:03:75:f5:52:80:
+         22:d7:f9:96:07:7f:73:ea:a7:1b:99:28:f3:7b:eb:b1:5a:0a:
+         4e:fc:53:e1:6e:cb:eb:bc:43:c7:a9:91:39:88:f8:45:7b:41:
+         97:eb:d4:2c:45:20:16:7e:cd:51:57:63:3d:ac:1d:aa:ba:43:
+         ec:08:e8:87:d5:c0:0d:16:d8:7b:d1:b0:6e:33:ac:88:9b:1a:
+         09:f4:12:92:6a:d5:8f:17:a9:a0:fd:f2:d8:b3:91:c1:41:32:
+         d8:43:27:55:57:fa:0e:08:87:98:bc:15:86:9f:ad:2b:48:c2:
+         ae:aa:86:60:de:77:08:e2:a4:da:ec:75:7c:6b:12:1d:b5:a8:
+         43:16:55:18:ee:c2:76:2c:38:0a:c2:ca:5f:d3:98:86:4b:e8:
+         40:20:b5:5c:7b:04:71:37:1b:4a:1d:fd:24:cc:04:2d:b1:27:
+         eb:aa:a9:ef:36:1b:48:db:8e:21:ad:03:d4:90:03:4c:67:45:
+         f4:b7:2d:19:f0:f7:1e:a1:0a:21:52:0f:89:5c:0c:50:81:e6:
+         13:fa:51:77
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----