ciscoumbrellaroot.cer: CN=Cisco Umbrella Root CA,O=Cisco (Root Certificate, Expiring 2036-06-28) detail info and audit record

 

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CA Certificate Information and Audit Record

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

Download certificate through curl:

curl -sSL "https://www.cisco.com/security/pki/certs/ciscoumbrellaroot.cer" --output cert.crt

Download certificate through wget:

wget -q "https://www.cisco.com/security/pki/certs/ciscoumbrellaroot.cer" --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: 5867809738588050625 (0x516ea5de461e54c1)
    Signature Algorithm: sha256WithRSAEncryption
        Issuer: O=Cisco, CN=Cisco Umbrella Root CA
        Validity
            Not Before: Jun 28 15:37:53 2016 GMT
            Not After : Jun 28 15:37:53 2036 GMT
        Subject: O=Cisco, CN=Cisco Umbrella Root CA
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                RSA Public-Key: (2048 bit)
                Modulus:
                    00:ee:d9:8d:f0:52:09:ac:f9:10:c6:12:89:66:28:
                    5e:31:cf:3f:fc:3b:c4:54:f8:6d:76:bc:da:53:99:
                    f4:22:49:5c:34:30:6d:9a:41:76:6b:aa:5f:d5:16:
                    a3:be:bd:2c:80:1a:49:4b:e4:60:47:99:a9:c4:ec:
                    8e:bc:7f:ee:3b:8f:2a:83:84:ae:12:58:d1:c3:ca:
                    d7:62:d4:f4:f6:c7:5e:a1:1d:5c:44:88:a8:18:dd:
                    38:2e:68:88:81:47:85:30:0a:ba:e2:91:94:be:eb:
                    84:f6:24:62:16:6d:81:d9:65:e2:1d:05:2c:81:be:
                    c4:db:0c:55:fc:c9:6f:bc:fa:f5:7f:18:bc:5f:6b:
                    d5:da:cb:91:de:e8:47:6c:47:b9:19:17:83:37:9b:
                    94:55:69:17:e0:d1:17:b5:97:36:12:f2:d0:1c:b7:
                    f1:9c:6d:0a:5c:58:51:28:ad:77:3e:77:5b:48:9c:
                    99:a7:a5:1b:b1:32:09:53:55:c4:04:71:9f:9c:1a:
                    6a:98:51:be:48:b5:86:4b:aa:aa:b9:b7:25:d9:55:
                    d7:ae:73:00:e7:52:cf:72:4a:cd:12:12:42:29:c2:
                    4d:0b:93:f9:12:bf:c3:4a:8b:b0:34:f2:39:53:bf:
                    98:42:15:58:b5:ee:fd:9d:4d:b6:e5:e0:8f:f8:e1:
                    7a:07
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Certificate Sign, CRL Sign
            X509v3 Basic Constraints: critical
                CA:TRUE
            X509v3 Subject Key Identifier: 
                43:73:00:DE:24:BA:40:1A:40:54:2C:7D:7C:D5:00:48:89:0C:70:A4
    Signature Algorithm: sha256WithRSAEncryption
         48:12:87:1e:48:f6:4b:9a:8e:6c:2e:68:03:7d:00:3e:16:ae:
         41:2b:3b:4b:aa:0f:1a:02:f6:5d:ad:b7:4c:10:a1:01:af:54:
         43:07:43:80:86:e3:dc:69:a5:71:66:2e:87:8f:2a:a5:d4:df:
         7d:f5:99:a9:f2:a2:30:fe:52:d3:b7:75:52:4e:61:1a:db:db:
         8f:82:37:4c:18:b9:7d:2b:27:d9:8c:04:62:03:f3:cf:bc:f7:
         47:4f:08:3b:4c:c2:4e:7a:df:b0:ec:fe:67:59:a6:cb:35:6e:
         79:f9:67:3f:27:30:92:14:4d:f4:fb:42:9d:cf:f8:e8:8f:19:
         40:ff:cb:74:c5:82:c2:75:2d:94:2b:bc:c2:e2:4b:80:6e:88:
         c7:2c:90:db:21:03:b7:1d:e1:16:c1:59:a0:e0:53:bc:f4:01:
         d5:bc:2e:11:63:e5:74:b7:b4:9a:12:b6:9d:bf:ab:4f:1b:d0:
         c7:5f:b3:cb:c2:34:3f:5e:cf:79:34:60:c8:25:37:85:c0:24:
         6a:61:49:41:bb:d8:99:8c:8b:ca:6d:ad:1e:d2:d4:93:56:ec:
         b0:db:e3:f6:1e:e5:9a:ce:30:4f:6b:01:ab:6d:fc:b0:fa:e3:
         b7:28:ee:16:9c:d1:a3:32:eb:49:27:dd:b4:a3:c0:79:33:c8:
         16:d7:e6:1e

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-----

Decode PEM Certificate online

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Page version: e13a7e3f2 2023-05-06