Generate unique certificate nicknames on Linux/CrOS.

net/data/ssl/certificates/duplicate_cn_2.pem

+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 237 (0xed)
+    Signature Algorithm: sha1WithRSAEncryption
+        Issuer: CN=B Root CA
+        Validity
+            Not Before: May 20 23:20:42 2013 GMT
+            Not After : May 18 23:20:42 2023 GMT
+        Subject: O=Bar, CN=Duplicate
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:c8:3c:a1:5e:3c:f8:61:26:9f:62:ed:c1:a2:c7:
+                    7b:af:77:9a:c0:4f:c0:f7:39:96:08:b0:b6:19:b3:
+                    4b:58:7b:98:94:e1:24:c5:30:4b:da:bf:6b:67:e7:
+                    bd:1b:e6:c8:36:18:79:53:f8:85:bc:c7:fa:fb:bd:
+                    10:7f:4d:90:e0:8d:c2:bc:63:75:36:8b:63:a5:87:
+                    34:36:06:4a:23:e4:8a:93:48:97:3b:e4:52:3e:9d:
+                    8e:d1:1b:bc:4e:8d:09:61:5c:42:70:d9:48:8d:45:
+                    e7:f8:cb:bc:98:4f:50:8f:6b:91:99:b5:4a:df:eb:
+                    73:8b:b8:65:88:99:9e:70:3f:bf:3a:2d:f4:ff:97:
+                    a8:4e:28:ee:9a:6d:0b:45:82:bc:c7:93:38:a5:d8:
+                    f3:ab:ff:d2:85:9c:93:d0:95:5c:85:11:89:be:d1:
+                    90:70:db:c7:34:32:c2:e4:a4:cb:e4:96:87:a5:42:
+                    d1:18:15:83:db:18:28:a6:08:95:3f:07:dc:73:b7:
+                    14:5f:75:68:f9:9e:c0:60:1a:97:01:72:39:48:98:
+                    a0:15:54:d7:d9:87:9d:86:c8:ef:3f:d1:62:5e:d2:
+                    9e:f5:60:bb:49:bc:fc:68:16:df:0d:70:03:9c:af:
+                    dc:0f:3c:7d:3f:0d:7c:54:7c:0f:16:5e:ad:03:d5:
+                    3c:d9
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Basic Constraints: critical
+                CA:FALSE
+            X509v3 Subject Key Identifier: 
+                14:0D:5C:0D:44:95:BA:5E:0F:25:3F:F6:F0:7C:A0:C3:B9:3A:BD:AF
+            X509v3 Authority Key Identifier: 
+                keyid:42:00:DD:75:A7:80:94:A0:B0:8E:9F:0B:99:08:CF:A7:BE:B7:EA:A9
+
+            X509v3 Extended Key Usage: 
+                TLS Web Server Authentication, TLS Web Client Authentication
+    Signature Algorithm: sha1WithRSAEncryption
+         13:cf:8c:72:24:c5:2f:20:d2:5d:a4:8c:ad:68:e3:27:6b:58:
+         7f:9b:b5:c4:25:cb:b4:62:ff:4b:db:5a:57:13:b2:49:2c:3f:
+         51:82:84:33:75:3a:4b:d7:14:d4:91:37:7c:f6:40:a3:e2:da:
+         82:d3:cf:1a:2b:43:3b:76:18:37:63:42:5f:3a:02:a1:b9:23:
+         ff:ea:4c:ec:22:c9:b8:2a:9e:19:d0:01:cb:63:bf:a4:7e:97:
+         d9:8e:b9:a9:39:3f:09:44:ee:30:f5:fc:0c:0f:91:eb:ce:b7:
+         72:eb:a0:c0:34:6e:69:7d:43:9c:2e:ba:d5:39:60:db:ad:d1:
+         5c:f3:72:68:d4:73:c6:04:a6:a4:3a:15:21:87:85:31:20:0f:
+         ed:65:65:ec:66:57:1a:9b:bd:72:10:e3:55:5e:94:f4:51:cd:
+         93:a2:2f:02:85:5d:65:af:5d:95:50:54:3b:dc:9a:33:04:e0:
+         cd:6c:a3:6d:a0:1a:84:c9:da:8a:db:cc:9f:90:b0:df:ee:ff:
+         0c:bd:58:f0:98:6e:a3:21:d8:ab:e2:99:a1:44:92:ad:d3:f7:
+         91:b2:72:9a:a6:75:4d:19:4a:6e:1f:64:27:a6:ce:39:79:ef:
+         5d:db:f2:7b:0f:6e:52:96:22:27:b3:67:81:f5:13:8d:79:0a:
+         d5:9f:f1:af
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----