Add CertIssuerSource interface and CertIssuerSourceStatic implementation.

net/data/cert_issuer_source_static_unittest/i1_2.pem

+Generated by ./generate-certs.py.
+Refer to generator script docstring for details.
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 3 (0x3)
+    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:c5:46:7a:ab:3c:05:2b:17:02:4c:f7:d0:83:7c:
+                    2a:5f:e4:d1:23:23:8f:5c:93:cd:e1:19:b7:6d:a2:
+                    cc:14:51:97:d0:87:1f:2e:a6:fb:9a:b0:f3:15:a3:
+                    e8:de:f0:45:df:ff:44:22:ca:7c:e2:6a:c8:e9:a6:
+                    62:8e:af:2f:21:85:29:d4:2d:31:fe:4c:e1:5a:3b:
+                    cd:3b:8e:bb:e8:d5:55:c1:52:1e:e8:ae:38:f7:ab:
+                    3e:5e:67:7d:a6:96:b2:3d:29:a1:26:f6:b6:23:18:
+                    ef:ed:49:71:64:f5:47:7f:40:e0:f2:b1:45:99:6c:
+                    6a:f4:d4:96:ee:11:b8:d4:bc:9c:04:94:98:ac:0b:
+                    ee:9c:d1:5a:4d:da:0e:3b:da:55:59:12:85:99:41:
+                    c9:d5:ac:ce:f8:8a:6b:fb:e6:6f:97:8f:50:f9:7c:
+                    cd:42:6a:ab:c2:bf:28:1a:2e:33:94:65:b0:f0:56:
+                    7a:be:e0:2a:4e:c3:99:f4:3b:db:12:04:11:d6:c4:
+                    04:6f:4e:3e:c3:23:d3:8c:04:ed:39:c2:99:0f:ca:
+                    c8:0d:bc:6e:f6:d5:a1:5c:26:31:b7:a6:04:ad:6f:
+                    f2:2a:86:cd:bc:f7:5e:11:04:58:bd:db:17:72:31:
+                    28:1c:f3:6d:5a:94:5d:f6:52:bb:9b:73:b8:9a:7a:
+                    08:c9
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                F9:72:F0:81:01:06:00:24:81:09:78:86:EB:FF:E1:51:82:0A:A8:44
+            X509v3 Authority Key Identifier: 
+                keyid:53:00:1D:70:48:9E:90:44:14:41:A0:92:6E:B8:1D:ED:EA:77:1F:81
+
+            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
+         f4:4f:69:8a:2e:d2:9e:f2:64:4f:b3:96:ef:8a:e1:4c:70:6a:
+         06:bb:f0:cf:c3:29:d8:61:1e:7a:79:13:89:7e:2c:67:87:d2:
+         4f:2c:e1:e5:73:99:31:51:ef:bc:b0:b0:5d:de:79:54:58:5a:
+         9b:9f:e9:f2:bb:16:b8:fa:70:cb:10:e0:02:5c:44:2d:a7:3f:
+         33:e2:6a:f1:f4:2e:2c:70:9c:07:4a:aa:72:21:f3:ac:4d:cd:
+         d8:67:74:cd:16:cc:27:81:e9:05:26:4a:ec:1d:4f:a2:6e:c6:
+         b0:88:f5:70:ee:00:cd:b6:61:ff:7f:10:59:a9:28:67:3b:26:
+         c3:53:fc:ff:6c:38:a7:c9:fc:2f:3b:7a:67:0f:a5:66:44:1e:
+         e7:ce:55:d2:df:ca:65:16:63:f6:5f:9f:9f:d0:1f:71:ae:0f:
+         5a:19:42:7c:6d:99:b2:be:28:5d:c1:b6:db:c2:d5:51:74:b8:
+         a3:63:4e:bf:41:45:64:9a:65:3c:f0:2c:97:fb:db:46:0a:52:
+         89:46:6c:7e:2d:19:cd:b5:72:24:7f:86:2f:c0:bd:02:f0:1a:
+         ea:21:7a:23:17:04:1e:01:db:43:95:7a:39:66:90:ac:1c:34:
+         92:19:b1:7a:4f:ff:ae:4a:44:b9:54:f5:2d:e9:ef:a8:9f:a5:
+         ec:85:2c:cf
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----