attatlasr3ovtlsca2020.crt: CN=ATT Atlas R3 OV TLS CA 2020,O=ATT Services Inc,C=US (Intermediate Certificate, Expiring 2029-03-18) detail info and audit record

 

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CA Certificate Information and Audit Record

This certificate is intermediate certificate used for the issuance of other certificates.

Download certificate through curl:

curl -sSL "http://secure.globalsign.com/cacert/attatlasr3ovtlsca2020.crt" --output cert.crt

Download certificate through wget:

wget -q "http://secure.globalsign.com/cacert/attatlasr3ovtlsca2020.crt" --output-document=cert.crt

CA Certificate Detail Information

Use openssl x509 to decode DER certificate to get detail information:

openssl x509 -in cert.crt -inform der -text -noout

Use openssl x509 to decode PEM certificate to get detail information:

openssl x509 -in cert.crt -inform pem -text -noout

Decoded detail certificate information:

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            78:03:18:3b:47:3a:df:26:51:41:ca:ff:f1:61:a3:71
    Signature Algorithm: sha256WithRSAEncryption
        Issuer: OU=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign
        Validity
            Not Before: Jul 28 00:00:00 2020 GMT
            Not After : Mar 18 00:00:00 2029 GMT
        Subject: C=US, O=ATT Services Inc, CN=ATT Atlas R3 OV TLS CA 2020
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                RSA Public-Key: (2048 bit)
                Modulus:
                    00:9a:26:e3:9f:d5:6a:c4:d1:61:58:59:f4:18:7c:
                    1e:f0:4e:d8:32:72:50:ed:91:60:4b:07:88:0a:56:
                    39:2a:95:f8:c0:1e:b1:2b:e7:4b:86:7a:64:71:1d:
                    65:9e:0d:57:e7:9d:50:a9:07:1e:a2:4a:76:2a:bb:
                    9b:85:23:67:25:93:7c:fd:9c:aa:fd:d3:2e:b4:75:
                    4a:65:e8:49:11:39:3c:1c:11:d5:6f:20:20:cc:4c:
                    81:bb:8b:52:16:7c:91:15:d1:b1:fb:a0:96:c3:f7:
                    b4:ed:36:d8:66:5b:6d:15:d1:a5:ad:d2:6a:53:97:
                    a5:fc:cd:15:f2:df:71:5e:cc:a9:03:25:f2:60:7b:
                    1f:b8:a3:28:00:73:f8:a0:91:f4:7f:d5:10:be:ae:
                    52:d9:4d:9d:02:0a:60:c4:f5:17:87:6e:0b:12:a5:
                    53:82:98:6c:d6:25:09:c5:b3:bc:c8:84:c4:b4:d5:
                    bd:8d:40:a1:db:06:5e:a9:f5:54:ef:12:52:6f:79:
                    fa:bf:1b:ae:6e:35:35:ad:db:89:8e:1e:bb:62:08:
                    79:56:25:51:6b:e4:f2:02:3c:45:39:9b:1f:4f:43:
                    ac:47:72:28:aa:42:c9:6a:c1:40:96:3a:e1:6d:65:
                    3d:44:2b:88:53:34:82:86:f7:d3:64:c8:be:bd:d9:
                    f6:bd
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Certificate Sign, CRL Sign
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Basic Constraints: critical
                CA:TRUE, pathlen:0
            X509v3 Subject Key Identifier: 
                D0:23:68:AC:27:BD:50:29:05:63:4E:14:F2:1C:37:67:E7:86:2A:F0
            X509v3 Authority Key Identifier: 
                keyid:8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC

            Authority Information Access: 
                OCSP - URI:http://ocsp2.globalsign.com/rootr3
                CA Issuers - URI:http://secure.globalsign.com/cacert/root-r3.crt

            X509v3 CRL Distribution Points: 

                Full Name:
                  URI:http://crl.globalsign.com/root-r3.crl

            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.2
                Policy: 1.3.6.1.4.1.4146.1.20
                  CPS: https://www.globalsign.com/repository/

    Signature Algorithm: sha256WithRSAEncryption
         1f:cd:d0:f3:c4:be:6a:6b:c3:d9:98:b8:46:05:24:42:f1:45:
         88:76:c8:db:cb:de:37:64:9f:30:dd:f2:bf:16:6b:2d:f7:99:
         16:c7:60:a5:ba:4f:57:ca:4b:0d:65:f8:92:b7:ac:6f:60:0c:
         f9:68:30:7e:02:98:01:f8:15:63:0c:31:df:04:03:24:bb:0f:
         2b:64:7a:27:ea:9a:38:af:d8:a4:cd:d6:bb:3e:56:c1:cf:32:
         f1:4f:75:7c:09:b1:ed:fd:8a:45:ed:d9:42:21:d1:77:81:d4:
         26:c1:bc:23:78:76:30:41:fa:45:d2:be:02:0c:64:87:db:82:
         81:df:7c:8d:6b:b4:45:94:f8:13:85:58:53:11:3b:23:c5:34:
         b7:52:b2:ea:53:61:6e:3e:71:49:be:d4:fe:62:84:b3:7b:33:
         b2:85:d3:fd:33:07:3f:f0:5a:09:3b:31:5d:44:96:7f:91:61:
         a2:ac:70:55:42:33:ee:83:50:e6:79:96:6a:00:9d:07:49:1a:
         2d:b3:7e:a0:c3:8f:74:59:10:c1:7f:f7:9c:7d:26:20:6e:26:
         0e:a4:33:f4:30:c0:19:91:5c:f3:c8:26:00:ea:dd:0b:1b:f1:
         8e:4b:44:45:ce:5f:a1:be:b8:11:7e:71:d9:b6:56:0e:49:f3:
         ba:13:44:ba

CA Certificate in PEM Format

Use openssl x509 to convert certificate from DER format to PEM format:

openssl x509 -in cert.crt -inform der

Converted PEM format certificate:

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

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Page version: e13a7e3f2 2023-05-06