TeleSec_Business_CA_1.crt: CN=TeleSec Business CA 1,OU=T-Systems Trust Center,O=T-Systems International GmbH,C=DE

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CA Certificate Basic Information

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

  • Certificate download URL: http://crt.sbca.telesec.de/crt/TeleSec_Business_CA_1.crt (DER format)
  • Serial number: 79770467292916
  • SHA-1 Fingerprint: 57a8c5b5260e206353d4c346e3f60939e4f8b859
  • SHA-1 Fingerprint: 57:a8:c5:b5:26:0e:20:63:53:d4:c3:46:e3:f6:09:39:e4:f8:b8:59
  • SHA-256 Fingerprint: 44ebf0123e27ff1db0497bd2dae18155b2a414e6bcd9c6c8fb8f48398449b9e9
  • SHA-256 Fingerprint: 44:eb:f0:12:3e:27:ff:1d:b0:49:7b:d2:da:e1:81:55:b2:a4:14:e6:bc:d9:c6:c8:fb:8f:48:39:84:49:b9:e9
  • Signature hash algorithm: sha256
  • Subject: CN=TeleSec Business CA 1,OU=T-Systems Trust Center,O=T-Systems International GmbH,C=DE
  • Not valid before: 2012-11-29 11:23:55
  • Not valid after: 2024-11-29 23:59:59
  • Issuer:
    • Issuer name: CN=T-TeleSec GlobalRoot Class 2,OU=T-Systems Trust Center,O=T-Systems Enterprise Services GmbH,C=DE
    • Issuer certificate URL: None

Download certificate through curl:

curl -sSL http://crt.sbca.telesec.de/crt/TeleSec_Business_CA_1.crt --output cert.crt

Download certificate through wget:

wget -q http://crt.sbca.telesec.de/crt/TeleSec_Business_CA_1.crt --output-document=cert.crt

CA Certificate Detail Information

Use openssl x509 to decode certificate to get detail information:

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

Decoded detail certificate information:

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 79770467292916 (0x488d025dd6f4)
    Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=DE, O=T-Systems Enterprise Services GmbH, OU=T-Systems Trust Center, CN=T-TeleSec GlobalRoot Class 2
        Validity
            Not Before: Nov 29 11:23:55 2012 GMT
            Not After : Nov 29 23:59:59 2024 GMT
        Subject: C=DE, O=T-Systems International GmbH, OU=T-Systems Trust Center, CN=TeleSec Business CA 1
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:d1:30:d4:4d:44:c3:e4:4b:5a:b4:18:9e:0e:51:
                    27:b5:a9:62:49:7a:1a:06:c0:73:2c:11:89:55:92:
                    ac:0e:cb:fe:48:2f:bb:5d:e3:f4:a9:88:ba:81:6b:
                    e4:fb:37:1d:2c:57:eb:45:98:55:41:46:89:c7:e7:
                    a7:31:64:7b:9e:78:08:9f:c0:18:3f:e9:4a:62:b1:
                    84:fc:e0:d0:cc:ad:95:2e:bb:80:6a:f5:a7:64:c5:
                    37:fb:de:3d:e7:a0:cd:b1:a2:74:35:a3:cf:ef:ed:
                    4d:74:6d:ba:8d:24:1a:b4:9f:fc:5a:55:46:3b:ff:
                    f7:c2:f1:79:7a:76:77:cf:4f:eb:ca:22:8d:76:d8:
                    05:99:f7:04:f1:3c:9f:7c:db:a8:69:f0:55:df:a3:
                    41:a8:49:4b:6e:5d:20:71:0d:ba:8b:09:6e:6b:22:
                    f0:a4:9d:f3:56:89:c0:d6:c0:58:30:08:57:e6:62:
                    dd:8e:3f:d0:bd:e3:ba:38:57:5f:ad:d2:35:52:bb:
                    ab:ae:c6:b6:9f:21:12:93:af:45:8b:56:36:d5:cc:
                    a4:4c:36:2f:33:e1:b4:82:e6:64:45:5d:ee:ea:d7:
                    dc:a0:4d:41:7f:de:66:99:8a:fd:5d:6e:ec:45:eb:
                    74:e2:09:13:f6:8a:ea:a8:67:28:6a:4e:9f:f8:12:
                    ac:b5
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Certificate Sign, CRL Sign
            X509v3 Subject Key Identifier: 
                86:88:93:1F:8B:EB:55:96:65:D5:47:01:BD:37:8C:7C:CD:A8:C7:A3
            X509v3 Authority Key Identifier: 
                keyid:BF:59:20:36:00:79:A0:A0:22:6B:8C:D5:F2:61:D2:B8:2C:CB:82:4A

            X509v3 Basic Constraints: critical
                CA:TRUE, pathlen:0
            X509v3 Certificate Policies: 
                Policy: 1.3.6.1.4.1.7879.13.25
                  CPS: http://sbca.telesec.de/cps/cps2.pdf
                Policy: 2.23.140.1.2.2

            X509v3 CRL Distribution Points: 

                Full Name:
                  URI:http://crl.sbca.telesec.de/rl/GlobalRoot_Class_2.crl

                Full Name:
                  URI:ldap://ldap.sbca.telesec.de/CN=T-TeleSec%20GlobalRoot%20Class%202,OU=T-Systems%20Trust%20Center,O=T-Systems%20Enterprise%20Services%20GmbH,C=DE?AuthorityRevocationList

            Authority Information Access: 
                OCSP - URI:http://ocsp04.telesec.de/ocspr

    Signature Algorithm: sha256WithRSAEncryption
         93:85:d1:eb:84:7a:19:59:c8:25:80:3a:24:a5:b9:96:71:06:
         9b:fe:d6:0e:74:e0:40:dd:d5:cd:5d:1d:20:80:19:43:49:0f:
         78:76:de:23:de:5c:cc:37:ed:a3:ca:7c:4a:21:04:d9:25:91:
         99:b1:3f:07:b2:64:42:dc:14:e7:a5:8f:d3:ed:ad:20:6d:79:
         1d:52:2c:17:b2:92:d0:b3:5f:30:2f:44:3e:56:ef:34:57:b6:
         87:90:a9:bc:47:75:88:32:93:3e:ef:69:4b:1a:4a:30:0d:b1:
         e7:0d:43:01:65:87:7c:37:8f:9b:4a:d5:ab:51:c9:f6:f5:97:
         c3:1e:3f:5e:14:94:ae:b6:0d:72:59:fc:e5:d7:17:5f:c4:e2:
         66:4e:da:66:8d:28:d1:0a:d7:3b:b6:2c:5a:a2:4e:d6:d8:ef:
         92:95:2d:65:99:24:68:30:8a:82:0d:62:ce:df:87:ff:fc:38:
         f5:84:7a:ce:c7:8c:71:46:7a:23:29:7d:ac:f6:56:28:02:ac:
         80:8b:af:57:a0:48:1d:88:61:9f:4a:3e:ff:df:bc:a1:66:9d:
         1a:01:86:f3:1c:11:55:cb:5a:d2:fc:30:b9:14:d6:2b:09:07:
         ec:6a:e3:f6:8d:51:1a:44:29:47:6e:97:8e:c1:31:d6:35:08:
         f8:1e:24:4f

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-----

Download PEM Certificate

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Page version: a651bdd 2022-03-26