Add scripts to generate simple test data for certificate verification.

net/data/verify_certificate_chain_unittest/target-wrong-signature.pem

Index: net/data/verify_certificate_chain_unittest/target-wrong-signature.pem
diff --git a/net/data/verify_certificate_chain_unittest/target-wrong-signature.pem b/net/data/verify_certificate_chain_unittest/target-wrong-signature.pem
new file mode 100644
index 0000000000000000000000000000000000000000..900e4cea9076906b3e0c7d26e6789f35c21945bf
--- /dev/null
+++ b/net/data/verify_certificate_chain_unittest/target-wrong-signature.pem
@@ -0,0 +1,280 @@
+[Created by: generate-target-wrong-signature.py]
+
+Simple certificate where the target has an incorrect
+signature.
+
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 1 (0x1)
+    Signature Algorithm: sha256WithRSAEncryption
+        Issuer: CN=Intermediary
+        Validity
+            Not Before: Jan  1 12:00:00 2015 GMT
+            Not After : Jan  1 12:00:00 2016 GMT
+        Subject: CN=Target
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:c9:bf:65:cd:9e:f1:86:61:4a:bd:d8:6b:e7:90:
+                    1e:3e:0b:6a:e4:e7:93:78:98:0c:c1:5a:ce:f1:02:
+                    05:83:7f:f7:9e:80:4a:87:a3:b4:e2:a5:9f:ea:86:
+                    10:0f:e4:90:9f:e1:69:ea:8c:8f:51:f1:d2:f8:66:
+                    6d:f0:de:99:0c:31:2c:e3:39:58:6f:9d:71:65:76:
+                    86:2e:cf:9b:6c:85:7d:9d:41:eb:0e:ed:83:3b:9a:
+                    9f:8d:6c:dd:60:ee:47:c0:89:d4:1e:f5:af:0f:e2:
+                    83:26:34:0a:97:16:d9:87:d4:26:86:fa:81:58:ee:
+                    3d:b8:88:57:07:80:31:20:1b:d2:33:95:7c:1c:2d:
+                    95:ad:a9:a2:63:79:c6:f3:ab:b2:ec:93:3e:e3:18:
+                    e9:86:96:0a:66:5f:bc:90:c3:db:4c:5e:7a:13:00:
+                    fa:cb:d6:bd:a8:94:6c:af:d9:86:91:1c:9d:0f:96:
+                    13:40:1d:fd:c7:68:7f:0a:a2:78:bb:5c:c7:8a:a5:
+                    f1:4a:95:c8:61:5c:aa:92:ce:40:aa:6e:ba:f8:0a:
+                    eb:70:f4:25:12:07:6d:42:b1:74:e2:52:cd:9a:05:
+                    81:8f:f1:b8:3c:0c:e5:fc:ec:e4:ff:9c:c9:27:80:
+                    ad:b9:d4:2a:71:2a:b2:0e:c1:d5:a7:ba:c0:36:8e:
+                    f6:c7
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                BB:42:F5:5A:03:0C:51:90:2B:6F:D6:8A:87:DB:FE:D7:BB:92:CA:89
+            X509v3 Authority Key Identifier: 
+                keyid:E5:6D:C2:8A:B6:FB:95:CC:00:9E:93:DB:5C:B8:D5:7E:E4:48:31:B9
+
+            Authority Information Access: 
+                CA Issuers - URI:http://url-for-aia/Intermediary.cer
+
+            X509v3 CRL Distribution Points: 
+
+                Full Name:
+                  URI:http://url-for-crl/Intermediary.crl
+
+            X509v3 Key Usage: critical
+                Digital Signature, Key Encipherment
+            X509v3 Extended Key Usage: 
+                TLS Web Server Authentication, TLS Web Client Authentication
+    Signature Algorithm: sha256WithRSAEncryption
+         8e:5b:42:c5:28:a6:66:73:d9:07:14:6c:0b:5d:36:ee:41:17:
+         5e:3d:16:14:49:35:8b:16:03:8c:a2:e4:fa:8f:d7:15:e4:4a:
+         d9:68:b1:ef:81:3c:41:1e:8d:2f:f1:55:26:fd:9b:92:de:64:
+         3b:20:a2:86:13:d6:97:73:ed:b9:94:d2:ba:14:5c:a2:98:74:
+         f7:6e:fb:22:93:88:f6:c3:91:f7:15:6d:df:e4:5d:d6:a9:37:
+         8c:ed:f1:74:8b:70:bc:00:5c:87:50:57:2e:59:5b:71:74:80:
+         0e:e6:f5:f6:75:98:23:8a:bd:be:62:06:76:14:4e:8f:8d:4a:
+         e8:86:f5:b2:03:30:64:0e:f0:ab:f6:7a:f3:bc:38:9a:e0:60:
+         4f:ce:d0:09:96:d7:3d:f5:ec:97:ce:38:de:b5:28:81:0b:8b:
+         35:d2:b4:78:e3:64:e8:db:da:35:a7:82:fe:e1:85:ff:69:c0:
+         45:76:d5:61:fc:d6:45:36:65:3e:4a:66:e6:00:b9:11:d2:5b:
+         b1:96:b2:e2:ec:47:69:80:05:c7:a9:85:79:0d:2d:ac:95:0b:
+         32:38:43:02:75:0c:34:df:9a:ae:13:d6:be:c1:de:1d:45:3b:
+         62:3c:b6:d6:ee:9e:0c:b9:b2:f8:e6:de:58:89:8b:f9:d6:2a:
+         b8:82:53:9e
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+
+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=Intermediary
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:c3:e0:8a:98:97:cd:51:93:7c:87:b7:d9:1f:06:
+                    6c:95:e6:2a:6b:bd:23:64:5b:9e:06:3e:30:df:9b:
+                    77:6e:48:3e:5d:c9:ed:85:f8:cc:44:53:66:97:15:
+                    33:f9:66:0b:b8:84:ba:25:f0:63:24:dd:51:3d:fe:
+                    63:6c:7c:4f:c5:f6:3a:0a:e7:f0:d5:8d:9a:20:74:
+                    2a:c3:b3:39:7d:fb:d0:ea:b1:33:96:8c:c2:07:6a:
+                    6e:0b:2c:08:fd:5f:28:19:7c:70:db:e0:b7:99:1b:
+                    e0:65:49:c8:12:64:3a:f7:01:ad:f8:06:3b:b8:e0:
+                    6c:2f:2f:ca:4f:13:13:63:03:f6:f6:c4:f9:f0:9c:
+                    59:bb:0a:b5:64:22:47:33:7e:27:ed:a6:11:72:a2:
+                    4d:a1:4d:6f:b6:1e:ba:8b:56:a6:3e:7e:01:b7:9c:
+                    8a:81:8c:1f:cd:3b:4b:38:99:e3:2d:98:25:f4:03:
+                    10:aa:40:ec:e8:6b:93:6a:38:f3:fb:61:6b:e6:7c:
+                    89:2b:c0:72:0e:08:27:59:29:f4:f2:4c:fc:7a:ff:
+                    08:bf:a4:5a:f5:bf:07:07:79:43:a6:92:27:56:4f:
+                    9f:98:9a:c6:5e:1c:27:4a:36:cd:57:2e:71:5e:b8:
+                    7a:4f:96:cf:85:a3:bc:60:86:e3:66:f1:15:d6:26:
+                    ea:6b
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                84:64:4C:16:31:A2:F9:CD:FF:7A:74:D8:35:C4:3A:E1:40:37:0C:11
+            X509v3 Authority Key Identifier: 
+                keyid:1A:6D:45:DF:7C:22:91:BA:57:71:18:34:03:33:77:6E:1D:09:71:FB
+
+            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
+         0b:15:ec:cb:fe:9d:3c:b4:0f:80:d0:16:e5:9d:e7:d6:0c:f7:
+         c2:e4:c1:fd:07:23:d2:1d:e1:ff:00:0b:7e:b8:4d:d5:0f:8a:
+         2c:f7:13:2d:c6:2b:7b:0c:a9:7e:e1:ea:91:84:a5:6f:90:ce:
+         41:cf:d1:ba:9d:86:96:2d:15:0c:55:ae:76:ac:35:47:25:70:
+         cc:88:b9:06:76:1b:84:53:ac:42:39:1e:52:ce:3e:1d:45:ab:
+         75:ec:50:12:70:7d:29:df:04:00:4a:71:16:89:5b:75:48:03:
+         cc:b9:46:cf:4d:14:05:f6:ec:09:55:c1:53:80:21:08:83:1a:
+         a6:3d:db:93:21:d6:6e:95:ab:ef:d3:88:32:4e:c1:cb:91:0d:
+         6d:ac:05:76:ec:e5:9d:bd:df:64:c8:d4:b2:ba:5e:f0:46:c8:
+         39:26:63:c4:b7:23:29:3f:09:47:24:b3:20:2a:fd:29:25:8f:
+         ff:6e:8f:93:fa:aa:e6:8e:cd:04:72:0a:33:c5:42:77:51:74:
+         44:8a:d8:72:0f:88:41:a2:9a:2e:6b:23:b5:13:e5:a7:3b:d7:
+         73:0b:df:9a:61:5b:9f:4f:49:df:6e:5a:05:ee:d1:9d:bd:60:
+         1e:9a:99:08:79:2c:15:00:52:27:d6:07:49:d1:6e:54:d8:9e:
+         a5:29:31:c2
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 1 (0x1)
+    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=Root
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:eb:69:17:97:7c:ae:2a:c6:6a:68:bc:75:9d:d6:
+                    37:7f:1e:12:82:93:4b:83:dc:fa:c0:4b:87:0f:36:
+                    86:06:2d:68:76:f3:da:97:5d:e7:8b:01:9e:f7:d3:
+                    32:e2:20:6c:38:2a:da:e4:ed:6a:f5:a3:f0:38:6f:
+                    cf:32:f5:b1:3c:62:a3:45:85:06:e7:e6:af:53:5a:
+                    05:58:51:c3:8b:c3:54:34:dc:35:ff:2f:d2:c3:4e:
+                    e6:ae:7a:e6:00:af:9c:0f:e1:da:c5:7a:b4:cf:8c:
+                    64:e5:8b:fe:f0:d1:e9:6b:1d:b7:b7:e1:ef:e3:77:
+                    c3:44:52:76:8d:84:06:66:29:65:50:80:79:54:bf:
+                    5f:e1:de:92:cf:e0:e4:df:73:cb:48:c8:da:18:5b:
+                    fd:69:1c:2d:95:40:27:8a:5b:a4:19:97:d8:b1:64:
+                    13:fc:bd:31:9c:c7:14:57:71:d4:a5:fd:8b:a0:35:
+                    48:95:11:7f:7b:be:08:4b:f7:2a:58:50:83:03:4a:
+                    6d:67:15:f2:60:54:bf:49:65:98:c7:f2:89:c0:76:
+                    ed:81:f7:5d:7a:00:f6:9d:8e:2b:f0:31:30:7a:69:
+                    ad:00:29:08:77:85:cb:42:55:d9:96:71:38:72:f6:
+                    9c:3b:74:e6:6c:4d:94:ca:8d:3d:a1:55:2d:09:34:
+                    94:63
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                1A:6D:45:DF:7C:22:91:BA:57:71:18:34:03:33:77:6E:1D:09:71:FB
+            X509v3 Authority Key Identifier: 
+                keyid:1A:6D:45:DF:7C:22:91:BA:57:71:18:34:03:33:77:6E:1D:09:71:FB
+
+            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
+         75:72:eb:75:11:c8:61:3c:1b:0b:12:5f:0f:a3:f7:9d:4f:2b:
+         1a:c2:7e:6f:ba:b9:77:62:a6:36:be:f6:4e:df:fe:9a:0c:e3:
+         55:dc:00:f9:0c:c0:c2:7f:e3:67:1e:74:f8:15:df:74:0d:36:
+         a8:2f:26:4c:61:11:b4:73:9f:b9:b0:4f:97:b9:d1:bf:da:32:
+         fe:e9:a3:d9:2b:73:a2:89:00:87:75:76:83:02:dd:19:1d:df:
+         d0:67:09:2d:8e:af:2b:f4:a2:de:78:2e:d6:61:78:99:aa:36:
+         97:91:00:a6:ca:82:12:8d:05:b8:ce:3d:38:e5:32:12:fb:ae:
+         4c:f5:66:c0:5b:44:80:80:a4:e7:0e:50:0b:2e:db:ef:08:ec:
+         05:05:25:4b:65:a3:ea:fd:ab:8f:2a:fa:90:24:be:29:4b:36:
+         4a:dd:21:5b:f8:49:34:1b:ac:59:69:51:60:e9:5b:22:97:7c:
+         13:c7:c0:97:af:3b:ca:60:91:ae:7e:6c:e5:c2:88:85:49:97:
+         fd:48:57:c9:8a:b5:c6:67:9f:fd:e0:5b:3e:bc:fe:12:cf:33:
+         0f:00:a1:e9:88:0d:ef:19:8d:43:5e:fb:d8:50:10:3a:cc:03:
+         a3:61:1d:4f:48:b3:c9:14:d3:a7:a1:ad:d5:67:fe:32:5a:5b:
+         d7:ea:eb:a9
+-----BEGIN TRUSTED_CERTIFICATE-----
+MIIDZTCCAk2gAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDDARSb290
+MB4XDTE1MDEwMTEyMDAwMFoXDTE2MDEwMTEyMDAwMFowDzENMAsGA1UEAwwEUm9v
+dDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOtpF5d8rirGami8dZ3W
+N38eEoKTS4Pc+sBLhw82hgYtaHbz2pdd54sBnvfTMuIgbDgq2uTtavWj8DhvzzL1
+sTxio0WFBufmr1NaBVhRw4vDVDTcNf8v0sNO5q565gCvnA/h2sV6tM+MZOWL/vDR
+6Wsdt7fh7+N3w0RSdo2EBmYpZVCAeVS/X+Heks/g5N9zy0jI2hhb/WkcLZVAJ4pb
+pBmX2LFkE/y9MZzHFFdx1KX9i6A1SJURf3u+CEv3KlhQgwNKbWcV8mBUv0llmMfy
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+-----END TRUSTED_CERTIFICATE-----
+
+-----BEGIN TIME-----
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+-----END TIME-----
+
+-----BEGIN VERIFY_RESULT-----
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+-----END VERIFY_RESULT-----