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The following figure illustrates a sample X.509 version 3 certificate for Joe Buck at the Acme corporation.
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<pre>
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
01:02:03:04:05:06:07:08
Signature Algorithm: md5WithRSAEncryption
Issuer: C=US, ST=Florida, O=Acme, Inc., OU=Security, CN=CA Authority/emailAddress=ca@acme.com
Validity
Not Before: Aug 20 12:59:55 2013 GMT
Not After : Aug 20 12:59:55 2013 GMT
Subject: C=US, ST=Florida, O=Acme, Inc., OU=Sales, CN=Joe Buck
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
RSA Public Key: (1024 bit)
Modulus (1024 bit):
00:be:5e:6e:f8:2c:c7:8c:07:7e:f0:ab:a5:12:db:
fc:5a:1e:27:ba:49:b0:2c:e1:cb:4b:05:f2:23:09:
77:13:75:57:08:29:45:29:d0:db:8c:06:4b:c3:10:
88:e1:ba:5e:6f:1e:c0:2e:42:82:2b:e4:fa:ba:bc:
45:e9:98:f8:e9:00:84:60:53:a6:11:2e:18:39:6e:
ad:76:3e:75:8d:1e:b1:b2:1e:07:97:7f:49:31:35:
25:55:0a:28:11:20:a6:7d:85:76:f7:9f:c4:66:90:
e6:2d:ce:73:45:66:be:56:aa:ee:93:ae:10:f9:ba:
24:fe:38:d0:f0:23:d7:a1:3b
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Basic Constraints:
CA:FALSE
X509v3 Subject Alternative Name:
email:joe.buck@acme.com
Signature Algorithm: md5WithRSAEncryption
a0:94:ca:f4:d5:4f:2d:da:a8:6d:e3:41:6e:51:83:57:b3:b5:
31:95:32:b6:ca:7e:d1:4f:fb:01:82:db:23:a0:39:d8:69:71:
31:9c:0a:3b:ce:f6:c6:e2:5c:af:23:f0:d7:ee:87:3e:8a:7b:
40:03:39:64:a1:8c:29:7d:5b:99:93:fa:23:19:e1:e4:ac:4d:
13:0f:de:ad:51:27:e3:4e:4b:9f:40:4c:05:fd:f2:82:09:3e:
46:05:f0:ad:cc:f7:78:25:3e:11:f8:ca:b6:df:f7:37:57:9b:
63:00:d0:b5:b5:18:ec:38:73:d2:85:a3:c7:24:21:47:ee:f2:
8c:0d
</pre>
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Note |
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The contents of a certificate file does not look like the information in this figure, which is produced by a certificate utility that uses the certificate file as input. Certificates can be saved in multiple file formats, so their file contents will look very different. |
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