eshop.rct.cuhk.edu.hk

Issued by Hongkong Post e-Cert CA 1 - 14

About this certificate


This digital certificate with serial number 01:06:fd:78:85:a3:3c:88:39:44:8a:a7:ea:1a:66:cf:27:02:61:3f was issued on by Hongkong Post .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

Cerificate errors/warnings *beta

  • ERROR: localityName or stateOrProvinceName is required if organizationName is set
  • ERROR: stateOrProvinceName is required if organizationName is set

Hongkong Post e-Cert (Server)

Organization: Hongkong Post e-Cert (Server)
Organization unit: 0001970295
Organization unit: 000000000000000000000000CUHK-CHAPTER-1109-ITSC
Organization unit: THE CHINESE UNIVERSITY OF HONG KONG
Organization unit: INFORMATION TECHNOLOGY SERVICES CENTRE
Country: HK

Hongkong Post

Organization: Hongkong Post
Country: HK

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 01:06:fd:78:85:a3:3c:88:39:44:8a:a7:ea:1a:66:cf:27:02:61:3f
Serial Number (int): 5864875661874684682764385978393331182170431807
Serial Number lenght: 153 bits, 20 octets

SubjectKeyId: f9:c0:4c:5a:c0:19:8d:d0:f9:c3:2a:d7:61:6f:e2:fd:ac:0c:c7:a3
AuthorityKeyId: 5b:37:7d:2d:b2:98:96:27:92:f7:1a:44:fc:37:a6:93:9e:5d:50:e4

Fingerprint (sha1): 3e:af:49:02:c2:e3:63:64:48:de:dd:fc:9f:3c:43:58:4b:65:a5:79
Fingerprint (sha256): 13:92:98:ac:4b:cd:f2:7d:c3:0c:a3:49:68:61:29:58:11:f7:e9:14:0e:cd:64:44:26:44:0b:9b:14:a3:6f:32

Issuing Certificate URL: http://www1.hongkongpost.gov.hk/root/ecert_ca_1-14.crt

Revocation information

CRL Distribution Point: http://crl1.hongkongpost.gov.hk/crl/eCertCA1-14CRL1.crl

Check the revocation status for the current certificate on eshop.rct.cuhk.edu.hk
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

This certificate doesn't contain any other subject alternative names besides the common name of the subject: eshop.rct.cuhk.edu.hk

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFYDCCBEigAwIBAgIUAQb9eIWjPIg5RIqn6hpmzycCYT8wDQYJKoZIhvcNAQEL BQAwTjELMAkGA1UEBhMCSEsxFjAUBgNVBAoTDUhvbmdrb25nIFBvc3QxJzAlBgNV BAMTHkhvbmdrb25nIFBvc3QgZS1DZXJ0IENBIDEgLSAxNDAeFw0xNTA0MTMxMTI0 MTRaFw0xODA0MTMxMTI0MTRaMIIBAjELMAkGA1UEBhMCSEsxJjAkBgNVBAoTHUhv bmdrb25nIFBvc3QgZS1DZXJ0IChTZXJ2ZXIpMRMwEQYDVQQLEwowMDAxOTcwMjk1 MTcwNQYDVQQLEy4wMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDBDVUhLLUNIQVBURVIt MTEwOS1JVFNDMSwwKgYDVQQLEyNUSEUgQ0hJTkVTRSBVTklWRVJTSVRZIE9GIEhP TkcgS09ORzEvMC0GA1UECxMmSU5GT1JNQVRJT04gVEVDSE5PTE9HWSBTRVJWSUNF UyBDRU5UUkUxHjAcBgNVBAMTFWVzaG9wLnJjdC5jdWhrLmVkdS5oazCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBANJn3vblesS0rPLC3DW/o6O+tlYOejJG 3Tv01Wc8GXLSequxbIwjaZfS9Kla5luUvC91byTchS8kN7XeCdiG38o5Kqqhpxou L7lsvWn/teacewYQDSksR0THpxeSZuWhs0sVqRhptY7Ja5JFoYC4ZDzD5TAL6I1l MfGo0hWgO/k96uglmzaw0JaflDFKxo1HyqKulD4n0J/LtiobT8J/jQWvDkq9IGTv L2hLtl9EU6T0WpqT73BXf4s04GMKlMfMbvGmCuXbB/MsqzjjEyr2hievDRC7cuxO +xaDII9iONKshKgqcLDBpCl6zwped5sK8s+35qtfvhZFmftGvZetTzkCAwEAAaOC AX4wggF6MD4GA1UdIAQ3MDUwMwYKKwYBBAH9HgEBHjAlMCMGCCsGAQUFBwIBFhd3 d3cuaG9uZ2tvbmdwb3N0Lmdvdi5oazAgBgNVHREEGTAXghVlc2hvcC5yY3QuY3Vo ay5lZHUuaGswCQYDVR0TBAIwADBSBggrBgEFBQcBAQRGMEQwQgYIKwYBBQUHMAKG Nmh0dHA6Ly93d3cxLmhvbmdrb25ncG9zdC5nb3YuaGsvcm9vdC9lY2VydF9jYV8x LTE0LmNydDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG AQUFBwMCMB8GA1UdIwQYMBaAFFs3fS2ymJYnkvcaRPw3ppOeXVDkMEgGA1UdHwRB MD8wPaA7oDmGN2h0dHA6Ly9jcmwxLmhvbmdrb25ncG9zdC5nb3YuaGsvY3JsL2VD ZXJ0Q0ExLTE0Q1JMMS5jcmwwHQYDVR0OBBYEFPnATFrAGY3Q+cMq12Fv4v2sDMej MA0GCSqGSIb3DQEBCwUAA4IBAQC8L0X8gkBGh4BJdjVXM9KtzQrznBKWpMTmPtd0 dHyr4cSx7TFxNtJgb3bqIE2o3eIABaY4qp4ihh/HFyGKF4dny6jol9Ct5AYhIn81 WiR/Q4hAbZ1NtVGMwJK0I2kKXUGuioKnXzbDGfbXjYlHixohA9jTbHNrs22XBoeh JFABkaCvL3+Fzr+kVjvtehtOQ8900z9VfivmfmcXq8kKKy+PovzCvxkSfsMz4Zy1 ls3aejRLv3t9tGG2wsGbmu/OrLRzKv4HFvoFRwaLzuzR+hxnUeEOJ55Qi7d+at/z thX+pwOrC6knTU+FSiEMYOeo9dOpUECodHLY1UYoCs7IOXOd -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0mfe9uV6xLSs8sLcNb+j o762Vg56MkbdO/TVZzwZctJ6q7FsjCNpl9L0qVrmW5S8L3VvJNyFLyQ3td4J2Ibf yjkqqqGnGi4vuWy9af+15px7BhANKSxHRMenF5Jm5aGzSxWpGGm1jslrkkWhgLhk PMPlMAvojWUx8ajSFaA7+T3q6CWbNrDQlp+UMUrGjUfKoq6UPifQn8u2KhtPwn+N Ba8OSr0gZO8vaEu2X0RTpPRampPvcFd/izTgYwqUx8xu8aYK5dsH8yyrOOMTKvaG J68NELty7E77FoMgj2I40qyEqCpwsMGkKXrPCl53mwryz7fmq1++FkWZ+0a9l61P OQIDAQAB -----END PUBLIC KEY-----

ASN1 Decoded

[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 5864875661874684682764385978393331182170431807 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'HK' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Hongkong Post' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Hongkong Post e-Cert CA 1 - 14' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-04-13 11:24:14 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-13 11:24:14 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'HK' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Hongkong Post e-Cert (Server)' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '0001970295' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '000000000000000000000000CUHK-CHAPTER-1109-ITSC' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'THE CHINESE UNIVERSITY OF HONG KONG' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'INFORMATION TECHNOLOGY SERVICES CENTRE' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'eshop.rct.cuhk.edu.hk' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26561264719724761755965837918189741350791138821830477365543655962673829586291368915623457079372282004197954183918652132870067398001428445937127196378244704099338393412475440800650236870142585224961958868797124094756849387996320459747345129758095496927189690575972872495653014965052328763441753466328124830882282318471302443698687335454765229587934044663040196746938811876593388134532975286262206990164390802008125989305116555258346037456155210896394486764116384537558766828130999046499510123183697988148994392264095500736483690402667261038218517521952932940222943529023695953279516750877648011452965946197101295521593 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (55 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.16030.1.1.30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'www.hongkongpost.gov.hk' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (25 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'eshop.rct.cuhk.edu.hk' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (70 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://www1.hongkongpost.gov.hk/root/ecert_ca_1-14.crt' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 5b377d2db298962792f71a44fc37a6939e5d50e4 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (65 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl1.hongkongpost.gov.hk/crl/eCertCA1-14CRL1.crl' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) f9c04c5ac0198dd0f9c32ad7616fe2fdac0cc7a3 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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