campus.ageing.hku.hk
Issued by Sectigo RSA Domain Validation Secure Server CA
About this certificate
This digital certificate with serial number af:6e:69:c7:57:22:c5:2a:36:e6:c2:41:85:80:ef:de was issued on by Sectigo Limited.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This 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. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=campus.ageing.hku.hk
Sectigo Limited
Organization:
Sectigo Limited
State / Province:
Greater Manchester
Locality: Salford
Country: GB
Locality: Salford
Country: GB
This certificate has expire since
Certificate Details
Serial Number (hex): af:6e:69:c7:57:22:c5:2a:36:e6:c2:41:85:80:ef:deSerial Number (int): 233188197363179062978542643418169929694
Serial Number lenght: 128 bits, 16 octets
SubjectKeyId: f0:c6:d0:72:b7:ab:f2:c3:62:53:ff:f1:b4:c3:15:5f:4e:81:f2:02
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1
Fingerprint (sha1): c2:9f:4f:9f:4f:b5:5c:60:a3:6c:ea:0b:8c:06:47:cd:61:94:08:d2
Fingerprint (sha256): 03:46:a8:69:f1:bd:3c:42:35:20:e2:f5:e5:ed:fa:50:97:8b:fc:d3:74:06:68:f1:c3:48:36:02:b9:7e:91:6b
Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
Revocation information
OCSP Server: http://ocsp.sectigo.comCheck the revocation status for certificate campus.ageing.hku.hk
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for campus.ageing.hku.hk
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
campus.ageing.hku.hk
www.campus.ageing.hku.hk
www.campus.ageing.hku.hk
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Certificate
The complete raw certificate details for campus.ageing.hku.hk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF0jCCBLqgAwIBAgIRAK9uacdXIsUqNubCQYWA794wDQYJKoZIhvcNAQELBQAw gY8xCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO BgNVBAcTB1NhbGZvcmQxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE3MDUGA1UE AxMuU2VjdGlnbyBSU0EgRG9tYWluIFZhbGlkYXRpb24gU2VjdXJlIFNlcnZlciBD QTAeFw0xOTA1MDEwMDAwMDBaFw0xOTA3MzAyMzU5NTlaMB8xHTAbBgNVBAMTFGNh bXB1cy5hZ2VpbmcuaGt1LmhrMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC AQEAqinc3eGEsSWPOw2mdiu/21CKwpMi5fi7VVciGIUyw+VYzBT3LUHZGpI+ueBp 5BHhc2BBOAJH5ZsdcEVTKGJLx2LnlNd/9AwhgpL34cIIRHhQ/0sbpNTIgFIiF6r9 jqbTL8v7e/MmXQOCM/rN16BIgXCLdZaGZia2zvHXTiBI3tW+ckvB/zLBh2rxib/4 +etvNucJWUda3NJTVlGV22zdyPzTmUxXr3T17Hl48FFqlcfFBvH76JQpL9+2cV3m cH48OCzyZX9tMIG9q13b3W9xTV23BVJOkkXREvsI8cKpHL+ezQPXztGgZcNqS6aD 54M6El3bT0H3+8Z3cC8BKi7GVQIDAQABo4ICljCCApIwHwYDVR0jBBgwFoAUjYxe xFStiuF36Zv5mwXhuAGNYeEwHQYDVR0OBBYEFPDG0HK3q/LDYlP/8bTDFV9OgfIC MA4GA1UdDwEB/wQEAwIFoDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjBJBgNVHSAEQjBAMDQGCysGAQQBsjEBAgIHMCUwIwYIKwYB BQUHAgEWF2h0dHBzOi8vc2VjdGlnby5jb20vQ1BTMAgGBmeBDAECATCBhAYIKwYB BQUHAQEEeDB2ME8GCCsGAQUFBzAChkNodHRwOi8vY3J0LnNlY3RpZ28uY29tL1Nl Y3RpZ29SU0FEb21haW5WYWxpZGF0aW9uU2VjdXJlU2VydmVyQ0EuY3J0MCMGCCsG AQUFBzABhhdodHRwOi8vb2NzcC5zZWN0aWdvLmNvbTA5BgNVHREEMjAwghRjYW1w dXMuYWdlaW5nLmhrdS5oa4IYd3d3LmNhbXB1cy5hZ2VpbmcuaGt1LmhrMIIBBAYK KwYBBAHWeQIEAgSB9QSB8gDwAHYAu9nfvB+KcbWTlCOXqpJ7RzhXlQqrUugakJZk No4e0YUAAAFqdMTbzAAABAMARzBFAiEAyr0Q0oW70J9KiQvke44ePQu9inwXkMv/ 2WeqgoiYTJUCIF3f7OSN0VmmFfjQWv6i8QgelDVi2DoIMy5llxwU7Jg/AHYAdH7a gzGtMxCRIZzOJU9CcMK//V5CIAjGNzV55hB7zFYAAAFqdMTaxQAABAMARzBFAiEA ngaN9FJbW9dAGo9xVg1YT9fR6VlmQaxSe4Y7y0K2qIYCIBea2n8a4tFjQqV8iqiz kXbVV3furQ1YpjCOznFbH/LJMA0GCSqGSIb3DQEBCwUAA4IBAQA9mb3vWXPeDikD bE61rKJmJAJa6JIaSLZZMp0LO3FDD88/rmxHtd4rgETKlODaryXgdlbIL8v2iX5T Br5yRFsSypmdom2UbHN1fZY0iH5raALBrTSTfCWjh2DET/x/XcGlb8pQCaCz2T8X cFPc7/PoPV5KGTa8WOtRbKroHfPt3Q1Ps5XKXecxMIpijJ17BzYfEsAqq+GzVJfv NwiOpbDBQ2QsviqXmpgQZUFVKvD6vGeLuqxiHHuSvzvMAv2CYKHnZNMt4WBjXykY ytuzque5ijmQs8eCeWYpYSQOFVACmVU5ewL3+GjMJwZHzug6V2l6q6m9skGAWQT3 Gn+8SjuE -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqinc3eGEsSWPOw2mdiu/ 21CKwpMi5fi7VVciGIUyw+VYzBT3LUHZGpI+ueBp5BHhc2BBOAJH5ZsdcEVTKGJL x2LnlNd/9AwhgpL34cIIRHhQ/0sbpNTIgFIiF6r9jqbTL8v7e/MmXQOCM/rN16BI gXCLdZaGZia2zvHXTiBI3tW+ckvB/zLBh2rxib/4+etvNucJWUda3NJTVlGV22zd yPzTmUxXr3T17Hl48FFqlcfFBvH76JQpL9+2cV3mcH48OCzyZX9tMIG9q13b3W9x TV23BVJOkkXREvsI8cKpHL+ezQPXztGgZcNqS6aD54M6El3bT0H3+8Z3cC8BKi7G VQIDAQAB -----END PUBLIC KEY-----
ASN.1 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 233188197363179062978542643418169929694 . . . . . . . . [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 'GB' . . . . . . . . . . . . [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 'Greater Manchester' . . . . . . . . . . . . [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:19|false] PrintableString 'Salford' . . . . . . . . . . . . [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 'Sectigo Limited' . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-01 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-30 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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'campus.ageing.hku.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 21481155140884953035135581204696508057286222220490601540097948759050358380191000480829657078005845261456930090684138769890429257109239637414542932982572882039239455834248346262894038663877598470806482727363734144263649007652808807106066958508206144115263315352958122785985226543344625500008878430041003495258546815053650432783361930540794487089420925690549686327996304126299228410624502726116398541899122411307766515752002505668973024868604859272928062525481491397429867486926008891394138012635157254807986992254988367205009035522968674193980138603319325011284977210864735366884476032768651986472136946434173119153749 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1 . . . . . . . . . . . . . . . . [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) f0c6d072b7abf2c36253fff1b4c3155f4e81f202 . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://sectigo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [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 (120 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://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sectigo.com' . . . . . . . . . . . . . . . . [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 (50 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'campus.ageing.hku.hk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.campus.ageing.hku.hk' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600bbd9dfbc1f8a71b593942397aa927b473857950aab52e81a909664368e1ed1850000016a74c4dbcc0000040300473045022100cabd10d285bbd09f4a890be47b8e1e3d0bbd8a7c1790cbffd967aa8288984c9502205ddfece48dd159a615f8d05afea2f1081e943562d83a08332e65971c14ec983f007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a74c4dac500000403004730450221009e068df4525b5bd7401a8f71560d584fd7d1e9596641ac527b863bcb42b6a8860220179ada7f1ae2d16342a57c8aa8b39176d55777eead0d58a6308ece715b1ff2c9 . . . . [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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