% openssl x509 -text -noout -in a87d9192.cer 
Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 1 (0x1)
        Signature Algorithm: sha1WithRSAEncryption
        Issuer: C=JP, O=National Research Grid Initiative, OU=CGRD, CN=NAREGI CA
        Validity
            Not Before: Jul 19 06:41:42 2006 GMT
            Not After : Jul 16 06:41:42 2016 GMT
        Subject: C=JP, O=National Research Grid Initiative, OU=CGRD, CN=NAREGI CA
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
            RSA Public Key: (2048 bit)
                Modulus (2048 bit):
                    00:dd:ea:ba:91:a8:2e:c7:8e:70:ae:0f:06:90:c3:
                    7b:25:d8:6f:ac:46:61:13:f8:cd:3f:d0:0b:c0:e6:
                    09:b6:94:bc:45:29:45:00:76:85:60:c2:a5:f3:4f:
                    5c:49:1e:c2:9c:4a:3f:67:5d:3f:00:df:07:d6:3d:
                    97:0d:2f:d8:96:2b:1a:da:e0:ba:57:9c:be:d1:3a:
                    57:3e:4e:ca:75:7b:c1:9f:fa:31:88:c2:22:0e:38:
                    bd:f6:34:03:c5:7b:8a:5d:3e:8a:c5:ab:fd:e5:ec:
                    7f:c1:b3:3c:60:d2:fa:3a:73:11:ed:b2:82:48:0a:
                    fe:82:e9:2c:99:61:69:45:f4:e6:f0:6a:aa:e6:c5:
                    eb:26:a3:d6:d4:fe:24:41:58:8d:ea:97:83:00:77:
                    bc:68:dd:f8:05:0b:84:01:2f:5a:27:71:0f:1d:d8:
                    b0:a9:a9:2a:79:2d:29:ed:ff:4f:6e:10:68:9e:b1:
                    b5:13:0f:20:70:ef:e9:4d:cd:0d:ab:66:1f:76:79:
                    d7:22:8f:1f:bf:d9:5b:a3:f7:0f:12:27:c7:45:9d:
                    58:0a:00:0e:24:3d:2a:95:4d:99:65:af:ae:c2:23:
                    b1:b2:86:38:28:a2:b6:68:21:af:b8:4f:bd:c9:dd:
                    c5:96:ef:16:e1:46:7d:9d:23:cd:b0:f2:42:c2:24:
                    a5:af
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: critical
                CA:TRUE
            X509v3 Key Usage: critical
                Certificate Sign, CRL Sign
            X509v3 Authority Key Identifier: 
                keyid:8B:B0:0A:7D:AD:DB:39:8C:98:B2:CA:FA:22:95:C8:75:40:44:C9:75

            X509v3 Subject Key Identifier: 
                8B:B0:0A:7D:AD:DB:39:8C:98:B2:CA:FA:22:95:C8:75:40:44:C9:75
    Signature Algorithm: sha1WithRSAEncryption
        bc:11:f9:b0:fe:f4:41:7c:0f:f9:b5:d4:b2:da:f8:36:36:4a:
        ca:f3:cf:f2:49:51:b6:e8:e3:79:22:b5:fc:04:28:fd:50:76:
        60:88:27:40:c8:3b:e7:a0:c4:73:4f:35:75:17:be:32:b6:2d:
        46:99:e7:74:ee:16:c8:69:0b:13:68:ed:a7:6f:68:49:a0:1b:
        2a:47:24:fc:a6:bd:fe:7f:45:ba:18:89:bc:12:9b:c1:86:a3:
        93:43:29:80:f6:c9:97:c5:65:19:f0:f7:42:4b:2e:d1:0e:df:
        b0:5a:da:0e:33:73:9c:5c:3f:e4:eb:42:56:2f:1e:f6:04:56:
        44:b3:00:30:36:5f:0d:bc:8e:0e:81:0e:69:ba:b8:3d:48:3c:
        e1:67:5e:0d:e1:e4:56:de:a6:e0:4d:a3:82:f3:fb:a4:b5:f3:
        81:93:55:7e:51:72:f0:5e:25:72:14:2e:9f:63:85:49:c1:f6:
        bf:4d:2c:09:5d:e4:6d:65:9a:3a:cf:8e:3e:c1:dc:94:c1:f9:
        d1:81:03:36:3d:20:be:60:32:35:60:89:56:97:a1:c5:70:28:
        b1:8c:65:32:0b:47:27:93:1f:b3:b6:3c:16:5f:7c:90:b5:b3:
        39:f2:21:43:4a:82:44:e7:02:7b:ba:59:38:09:fb:d2:ab:31:
        2d:36:4a:13