ecert_ca_1-10_pem.crt: CN=Hongkong Post e-Cert CA 1 - 10,O=Hongkong Post,C=HK (Intermediate Certificate, Expiring 2023-05-15) 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://www1.ecert.gov.hk/root/ecert_ca_1-10_pem.crt" --output cert.crt

Download certificate through wget:

wget -q "http://www1.ecert.gov.hk/root/ecert_ca_1-10_pem.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: 1145 (0x479)
    Signature Algorithm: sha1WithRSAEncryption
        Issuer: C=HK, O=Hongkong Post, CN=Hongkong Post Root CA 1
        Validity
            Not Before: Jan  9 14:09:23 2010 GMT
            Not After : May 15 04:52:29 2023 GMT
        Subject: C=HK, O=Hongkong Post, CN=Hongkong Post e-Cert CA 1 - 10
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                RSA Public-Key: (2048 bit)
                Modulus:
                    00:cc:2f:dc:d7:55:93:fb:a9:66:6a:d3:2e:5b:4e:
                    27:4d:b6:7d:36:e2:7f:e7:f6:56:09:a7:34:47:49:
                    00:3d:f6:cf:03:e4:59:63:1b:69:c7:f4:3c:8b:c2:
                    b6:2d:18:b1:7b:f3:0c:33:3d:28:03:1f:33:9b:54:
                    57:ec:49:ba:10:f1:d0:fc:ec:f7:3e:17:a7:4c:77:
                    df:31:98:ab:7c:eb:c5:d4:ec:38:2f:ea:26:0d:df:
                    ce:14:6d:03:a8:61:ef:b0:2c:f3:d3:7e:8e:db:dd:
                    4c:bd:45:de:d3:3d:2e:0d:09:6e:b4:0f:80:33:b5:
                    15:98:1c:a8:6c:9d:ae:fa:74:4e:b0:98:a1:dc:8f:
                    04:5b:72:7b:36:18:c7:02:61:15:56:aa:74:0d:07:
                    65:39:ca:1b:88:92:fb:6d:8a:50:8a:fc:07:65:d2:
                    8a:32:49:3e:ac:af:1b:b1:76:90:fa:f4:ca:a6:eb:
                    d5:21:70:0a:b4:9d:b6:27:48:5d:a8:6d:22:5f:3b:
                    ab:70:6a:2b:e8:18:08:ee:49:b4:a9:43:a9:62:e1:
                    e0:a2:f6:14:6b:7c:25:81:7e:87:8c:48:f0:20:44:
                    ed:e8:47:8a:65:e2:ed:70:75:76:da:69:53:c2:e0:
                    94:aa:d8:08:02:20:9a:bd:26:c9:e6:c8:2d:83:d6:
                    7a:95
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: critical
                CA:TRUE, pathlen:0
            X509v3 Key Usage: critical
                Digital Signature, Non Repudiation, Certificate Sign, CRL Sign
    Signature Algorithm: sha1WithRSAEncryption
         10:a4:2a:06:e4:8d:d3:29:8d:4a:13:df:a1:6b:f6:bc:f1:65:
         81:6b:ba:1d:0a:e8:f2:65:05:89:80:0a:4f:84:4f:11:77:4c:
         3a:c8:52:32:29:c9:70:44:7c:a6:a7:f8:f5:35:05:0b:e7:8f:
         aa:e8:61:2d:36:4b:33:f8:16:e3:82:ac:fc:6a:e5:e3:9f:84:
         9f:75:c6:1e:e5:a6:b4:a5:1e:e4:ef:6a:33:17:71:fa:e7:b7:
         61:37:72:78:c3:f7:39:d7:0b:86:29:67:67:c2:ad:60:33:be:
         a0:ef:e2:99:e1:e4:ed:14:40:2e:e6:c0:1a:5c:84:0d:79:4a:
         dd:8a:92:60:2f:a5:b1:ef:47:9b:2e:e3:30:39:a6:89:ec:78:
         09:eb:f6:63:4a:ea:9c:cc:34:14:74:b8:aa:db:73:bc:45:c5:
         d9:aa:0c:8c:17:a3:73:49:03:f0:8e:89:f0:5b:5d:53:e5:44:
         11:c0:2c:d6:8b:d8:5f:f3:59:84:79:c9:57:a6:87:b8:37:99:
         58:cd:93:e3:22:32:c3:4d:74:76:06:eb:ff:4a:2f:83:9c:eb:
         95:0b:54:9d:0d:a2:33:bd:e9:12:6d:0b:02:6a:ef:46:12:49:
         de:17:70:f1:7c:73:76:f5:a2:4d:ab:c7:b0:ba:a3:a4:05:03:
         44:d1:58:5e

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