ctnca.cer: CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL (Root Certificate, Expiring 2029-12-31) 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 "http://repository.certum.pl/ctnca.cer" --output cert.crt

Download certificate through wget:

wget -q "http://repository.certum.pl/ctnca.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: 279744 (0x444c0)
    Signature Algorithm: sha1WithRSAEncryption
        Issuer: C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Trusted Network CA
        Validity
            Not Before: Oct 22 12:07:37 2008 GMT
            Not After : Dec 31 12:07:37 2029 GMT
        Subject: C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Trusted Network CA
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                RSA Public-Key: (2048 bit)
                Modulus:
                    00:e3:fb:7d:a3:72:ba:c2:f0:c9:14:87:f5:6b:01:
                    4e:e1:6e:40:07:ba:6d:27:5d:7f:f7:5b:2d:b3:5a:
                    c7:51:5f:ab:a4:32:a6:61:87:b6:6e:0f:86:d2:30:
                    02:97:f8:d7:69:57:a1:18:39:5d:6a:64:79:c6:01:
                    59:ac:3c:31:4a:38:7c:d2:04:d2:4b:28:e8:20:5f:
                    3b:07:a2:cc:4d:73:db:f3:ae:4f:c7:56:d5:5a:a7:
                    96:89:fa:f3:ab:68:d4:23:86:59:27:cf:09:27:bc:
                    ac:6e:72:83:1c:30:72:df:e0:a2:e9:d2:e1:74:75:
                    19:bd:2a:9e:7b:15:54:04:1b:d7:43:39:ad:55:28:
                    c5:e2:1a:bb:f4:c0:e4:ae:38:49:33:cc:76:85:9f:
                    39:45:d2:a4:9e:f2:12:8c:51:f8:7c:e4:2d:7f:f5:
                    ac:5f:eb:16:9f:b1:2d:d1:ba:cc:91:42:77:4c:25:
                    c9:90:38:6f:db:f0:cc:fb:8e:1e:97:59:3e:d5:60:
                    4e:e6:05:28:ed:49:79:13:4b:ba:48:db:2f:f9:72:
                    d3:39:ca:fe:1f:d8:34:72:f5:b4:40:cf:31:01:c3:
                    ec:de:11:2d:17:5d:1f:b8:50:d1:5e:19:a7:69:de:
                    07:33:28:ca:50:95:f9:a7:54:cb:54:86:50:45:a9:
                    f9:49
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: critical
                CA:TRUE
            X509v3 Subject Key Identifier: 
                08:76:CD:CB:07:FF:24:F6:C5:CD:ED:BB:90:BC:E2:84:37:46:75:F7
            X509v3 Key Usage: critical
                Certificate Sign, CRL Sign
    Signature Algorithm: sha1WithRSAEncryption
         a6:a8:ad:22:ce:01:3d:a6:a3:ff:62:d0:48:9d:8b:5e:72:b0:
         78:44:e3:dc:1c:af:09:fd:23:48:fa:bd:2a:c4:b9:55:04:b5:
         10:a3:8d:27:de:0b:82:63:d0:ee:de:0c:37:79:41:5b:22:b2:
         b0:9a:41:5c:a6:70:e0:d4:d0:77:cb:23:d3:00:e0:6c:56:2f:
         e1:69:0d:0d:d9:aa:bf:21:81:50:d9:06:a5:a8:ff:95:37:d0:
         aa:fe:e2:b3:f5:99:2d:45:84:8a:e5:42:09:d7:74:02:2f:f7:
         89:d8:99:e9:bc:27:d4:47:8d:ba:0d:46:1c:77:cf:14:a4:1c:
         b9:a4:31:c4:9c:28:74:03:34:ff:33:19:26:a5:e9:0d:74:b7:
         3e:97:c6:76:e8:27:96:a3:66:dd:e1:ae:f2:41:5b:ca:98:56:
         83:73:70:e4:86:1a:d2:31:41:ba:2f:be:2d:13:5a:76:6f:4e:
         e8:4e:81:0e:3f:5b:03:22:a0:12:be:66:58:11:4a:cb:03:c4:
         b4:2a:2a:2d:96:17:e0:39:54:bc:48:d3:76:27:9d:9a:2d:06:
         a6:c9:ec:39:d2:ab:db:9f:9a:0b:27:02:35:29:b1:40:95:e7:
         f9:e8:9c:55:88:19:46:d6:b7:34:f5:7e:ce:39:9a:d9:38:f1:
         51:f7:4f:2c

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