TeleSec_Business_CA_1.crt: CN=TeleSec Business CA 1,OU=T-Systems Trust Center,O=T-Systems International GmbH,C=DE (Intermediate Certificate, Expiring 2024-11-29) detail info and audit record

Last Updated: 2023-05-06

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CA Certificate Information and Audit Record

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

Certificate Download URL: http://crt.sbca.telesec.de/crt/TeleSec_Business_CA_1.crt (in 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
- Country Name: DE (Germany)
- Organization: T-Systems International GmbH
- Organization Unit: T-Systems Trust Center
- Common Name: TeleSec Business CA 1
Not Valid Before: 2012-11-29 11:23:55
Not Valid After: 2024-11-29 23:59:59
Issuer (Parent Certificate):
- Issuer Name: CN=T-TeleSec GlobalRoot Class 2,OU=T-Systems Trust Center,O=T-Systems Enterprise Services GmbH,C=DE
- Issuer Certificate URL: NA
Audit Record:
- Revocation Status: Not Revoked
- Certificate Policy (CP) URL: https://www.telesec.de/assets/downloads/PKI-Repository/Telekom-Security-CP-EN-V3.0.pdf
- Certificate Practice Statement (CPS) URL: https://www.telesec.de/assets/downloads/PKI-Repository/Telekom-Security-CPS-Public-EN-V4.0.pdf
- Auditor: TÜViT - TÜV Informationstechnik GmbH
- Standard Audit URL: Unknown
- Standard Audit Period Start Date: Unknown
- Standard Audit Period End Date: Unknown
- Standard Audit Statement Date: Unknown
- Standard Audit Type: Unknown
- Full CRL Issued By This CA: http://crl.sbca.telesec.de/rl/TeleSec_Business_CA_1.crl
- Check its issuer’s audit information: CN=T-TeleSec GlobalRoot Class 2,OU=T-Systems Trust Center,O=T-Systems Enterprise Services GmbH,C=DE .

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 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: 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
                RSA 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:

Decode PEM Certificate online

Download PEM Certificate

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