查看证书内容

openssl x509 -in example.pem -noout -text

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 946059622 (0x3863b966)
    Signature Algorithm: sha1WithRSAEncryption
        Issuer: O=Entrust.net, OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.), OU=(c) 1999 Entrust.net Limited, CN=Entrust.net Certification Authority (2048)
        Validity
            Not Before: Dec 24 17:50:51 1999 GMT
            Not After : Dec 24 18:20:51 2019 GMT
        Subject: O=Entrust.net, OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.), OU=(c) 1999 Entrust.net Limited, CN=Entrust.net Certification Authority (2048)
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:ad:4d:4b:a9:12:86:b2:ea:a3:20:07:15:16:64:
                    2a:2b:4b:d1:bf:0b:4a:4d:8e:ed:80:76:a5:67:b7:
                    78:40:c0:73:42:c8:68:c0:db:53:2b:dd:5e:b8:76:
                    98:35:93:8b:1a:9d:7c:13:3a:0e:1f:5b:b7:1e:cf:
                    e5:24:14:1e:b1:81:a9:8d:7d:b8:cc:6b:4b:03:f1:
                    02:0c:dc:ab:a5:40:24:00:7f:74:94:a1:9d:08:29:
                    b3:88:0b:f5:87:77:9d:55:cd:e4:c3:7e:d7:6a:64:
                    ab:85:14:86:95:5b:97:32:50:6f:3d:c8:ba:66:0c:
                    e3:fc:bd:b8:49:c1:76:89:49:19:fd:c0:a8:bd:89:
                    a3:67:2f:c6:9f:bc:71:19:60:b8:2d:e9:2c:c9:90:
                    76:66:7b:94:e2:af:78:d6:65:53:5d:3c:d6:9c:b2:
                    cf:29:03:f9:2f:a4:50:b2:d4:48:ce:05:32:55:8a:
                    fd:b2:64:4c:0e:e4:98:07:75:db:7f:df:b9:08:55:
                    60:85:30:29:f9:7b:48:a4:69:86:e3:35:3f:1e:86:
                    5d:7a:7a:15:bd:ef:00:8e:15:22:54:17:00:90:26:
                    93:bc:0e:49:68:91:bf:f8:47:d3:9d:95:42:c1:0e:
                    4d:df:6f:26:cf:c3:18:21:62:66:43:70:d6:d5:c0:
                    07:e1
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            Netscape Cert Type: 
                SSL CA, S/MIME CA, Object Signing CA
            X509v3 Authority Key Identifier: 
                keyid:55:E4:81:D1:11:80:BE:D8:89:B9:08:A3:31:F9:A1:24:09:16:B9:70

            X509v3 Subject Key Identifier: 
                55:E4:81:D1:11:80:BE:D8:89:B9:08:A3:31:F9:A1:24:09:16:B9:70
            1.2.840.113533.7.65.0: 
                0...V5.0:4.0....
    Signature Algorithm: sha1WithRSAEncryption
         59:47:ac:21:84:8a:17:c9:9c:89:53:1e:ba:80:85:1a:c6:3c:
         4e:3e:b1:9c:b6:7c:c6:92:5d:18:64:02:e3:d3:06:08:11:61:
         7c:63:e3:2b:9d:31:03:70:76:d2:a3:28:a0:f4:bb:9a:63:73:
         ed:6d:e5:2a:db:ed:14:a9:2b:c6:36:11:d0:2b:eb:07:8b:a5:
         da:9e:5c:19:9d:56:12:f5:54:29:c8:05:ed:b2:12:2a:8d:f4:
         03:1b:ff:e7:92:10:87:b0:3a:b5:c3:9d:05:37:12:a3:c7:f4:
         15:b9:d5:a4:39:16:9b:53:3a:23:91:f1:a8:82:a2:6a:88:68:
         c1:79:02:22:bc:aa:a6:d6:ae:df:b0:14:5f:b8:87:d0:dd:7c:
         7f:7b:ff:af:1c:cf:e6:db:07:ad:5e:db:85:9d:d0:2b:0d:33:
         db:04:d1:e6:49:40:13:2b:76:fb:3e:e9:9c:89:0f:15:ce:18:
         b0:85:78:21:4f:6b:4f:0e:fa:36:67:cd:07:f2:ff:08:d0:e2:
         de:d9:bf:2a:af:b8:87:86:21:3c:04:ca:b7:94:68:7f:cf:3c:
         e9:98:d7:38:ff:ec:c0:d9:50:f0:2e:4b:58:ae:46:6f:d0:2e:
         c3:60:da:72:55:72:bd:4c:45:9e:61:ba:bf:84:81:92:03:d1:
         d2:69:7c:c5

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