ssweb.cityu.edu.hk

Issued by Thawte SSL CA

About this certificate


This digital certificate with serial number 5f:63:4c:ca:62:d1:78:ca:a2:dd:5c:cb:e8:a6:95:f2 was issued on by Thawte, Inc. .

While the certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates.

Cerificate errors/warnings *beta

  • WARNING: Using depricated TeletexString for '[Kowloon Tong]'
  • WARNING: Using depricated TeletexString for '[City University of Hong Kong]'
  • WARNING: Using depricated TeletexString for '[Applied Social Studies]'
  • WARNING: Using depricated TeletexString for '[ssweb.cityu.edu.hk]'

City University of Hong Kong

Organization: City University of Hong Kong
Organization unit: Applied Social Studies
State / Province: Kowloon
Locality: Kowloon Tong
Country: HK

Thawte, Inc.

Organization: Thawte, Inc.
State / Province: Kowloon
Locality: Kowloon Tong
Country: HK

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 5f:63:4c:ca:62:d1:78:ca:a2:dd:5c:cb:e8:a6:95:f2
Serial Number (int): 126792254486363428150181763464347162098
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: a7:a2:83:bb:34:45:40:3d:fc:d5:30:4f:12:b9:3e:a1:01:9f:f6:db

Fingerprint (sha1): 0c:73:0a:a7:55:61:7d:41:2b:11:48:a2:c1:36:70:c2:64:ca:73:5f
Fingerprint (sha256): 03:33:f5:ae:c0:dc:6f:b1:5e:18:65:18:96:21:be:d0:cb:8f:a9:01:2a:92:64:d6:a9:93:8f:a2:82:e2:2b:4b

Issuing Certificate URL: http://svr-ov-aia.thawte.com/ThawteOV.cer

Revocation information

OCSP Server: http://ocsp.thawte.com
CRL Distribution Point: http://svr-ov-crl.thawte.com/ThawteOV.crl

Check the revocation status for the current certificate on ssweb.cityu.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

SHA1 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 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: ssweb.cityu.edu.hk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEzTCCA7WgAwIBAgIQX2NMymLReMqi3VzL6KaV8jANBgkqhkiG9w0BAQUFADA8 MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMVGhhd3RlLCBJbmMuMRYwFAYDVQQDEw1U aGF3dGUgU1NMIENBMB4XDTEyMDkyMDAwMDAwMFoXDTE1MDkyMjIzNTk1OVowgZsx CzAJBgNVBAYTAkhLMRAwDgYDVQQIEwdLb3dsb29uMRUwEwYDVQQHFAxLb3dsb29u IFRvbmcxJTAjBgNVBAoUHENpdHkgVW5pdmVyc2l0eSBvZiBIb25nIEtvbmcxHzAd BgNVBAsUFkFwcGxpZWQgU29jaWFsIFN0dWRpZXMxGzAZBgNVBAMUEnNzd2ViLmNp dHl1LmVkdS5oazCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAK3TySO0 LGRqIhy5j0CE3fVh9VyqMICcrxTIYgImguvsUtM6SE7tM//dMmWFDnWbg8Ef9Ia6 F+JYyrCXyoHGRoKkMIGy2RGnUMRXz334RefQchoT508fT9O7lHPuu4wzkvdPPYt9 5VJzneIu8uSUj7kDccutXvwpE1H+byRutWhPdxlEANZKar1qvUQcxEkKk+WnWsv1 nVlMsr4nN3ra8f9PiPASpDyGsTIBIApIqKZ2jPqsJkxusckP6QhSk4gVtqKwwdpv Hg7/PTBmjJP3InZYglFSoDAkqI6d8307IP9X8/U60vYovDSC+Cig9AkMZqoxzFxm qDCL9fQkzTAR7OkCAwEAAaOCAWkwggFlMB0GA1UdEQQWMBSCEnNzd2ViLmNpdHl1 LmVkdS5oazAJBgNVHRMEAjAAMEIGA1UdIAQ7MDkwNwYKYIZIAYb4RQEHNjApMCcG CCsGAQUFBwIBFhtodHRwczovL3d3dy50aGF3dGUuY29tL2Nwcy8wDgYDVR0PAQH/ BAQDAgWgMB8GA1UdIwQYMBaAFKeig7s0RUA9/NUwTxK5PqEBn/bbMDoGA1UdHwQz MDEwL6AtoCuGKWh0dHA6Ly9zdnItb3YtY3JsLnRoYXd0ZS5jb20vVGhhd3RlT1Yu Y3JsMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBpBggrBgEFBQcBAQRd MFswIgYIKwYBBQUHMAGGFmh0dHA6Ly9vY3NwLnRoYXd0ZS5jb20wNQYIKwYBBQUH MAKGKWh0dHA6Ly9zdnItb3YtYWlhLnRoYXd0ZS5jb20vVGhhd3RlT1YuY2VyMA0G CSqGSIb3DQEBBQUAA4IBAQBcJzySglPcDyWefQ7yBo3AL68lHqNMhzdfBz+D8BmF HoZ1e/tu1ULnTT3ftK671rJ/CmCMy4wGyGMEAg/9xQNOr2EBhuQRQrife8gr0rnT RSot5hUXZsp+hLn82l8bwyByuptbk+0ARjjp4l3Ah62+eqFOuPa8zOd43sYNX4VZ GV22vwetUcKi0kfYM21D3IycCyk2fcZi/kJdpUJZGA5H3CWjISnr4xVWb2si5/ea JWiDTQl93eKG/VBoxj5gx2IdhvlV/SA/tBY91lkIL/i1tv0/eumpQ6OmCx/5Lq24 ce7Welv1ccafdhXPXJqqGZTeN9r5swdd9X5nR2CYhKm2 -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArdPJI7QsZGoiHLmPQITd 9WH1XKowgJyvFMhiAiaC6+xS0zpITu0z/90yZYUOdZuDwR/0hroX4ljKsJfKgcZG gqQwgbLZEadQxFfPffhF59ByGhPnTx9P07uUc+67jDOS9089i33lUnOd4i7y5JSP uQNxy61e/CkTUf5vJG61aE93GUQA1kpqvWq9RBzESQqT5aday/WdWUyyvic3etrx /0+I8BKkPIaxMgEgCkiopnaM+qwmTG6xyQ/pCFKTiBW2orDB2m8eDv89MGaMk/ci dliCUVKgMCSojp3zfTsg/1fz9TrS9ii8NIL4KKD0CQxmqjHMXGaoMIv19CTNMBHs 6QIDAQAB -----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 126792254486363428150181763464347162098 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [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 'US' . . . . . . . . . . . . [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 'Thawte, Inc.' . . . . . . . . . . . . [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 'Thawte SSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-09-20 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-09-22 23:59:59 +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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Kowloon' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:20|false] TeletexString, T61String 'Kowloon Tong' . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'City 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:20|false] TeletexString, T61String 'Applied Social Studies' . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'ssweb.cityu.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 21943662180675778706992998408269162641465315747119893859300424996825733880979579386570542879879225672573271151660868641269486623365351567923056648727719010879221649345437812892537469833612485843225398184958041409199518084520947322370574741825280103808590651644912912982006438921393485555554046305457151846041382757290603221162364194295528045493612193546752053604043931312912256168957872721267039507933811159918109867589819317055798500619261058230706538969164755269439320798658291861935936345679390802816279436864793145238001463931929667520565568157175471334315566139843224276996221613213865406884342309364313862827241 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ssweb.cityu.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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (59 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113733.1.7.54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://www.thawte.com/cps/' . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a7a283bb3445403dfcd5304f12b93ea1019ff6db . . . . . . . . . . . . . . . . [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 (51 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://svr-ov-crl.thawte.com/ThawteOV.crl' . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (93 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.thawte.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://svr-ov-aia.thawte.com/ThawteOV.cer' . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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