matpp.hku.hk
Issued by Sectigo RSA Domain Validation Secure Server CA
About this certificate
This digital certificate with serial number cc:0a:73:e5:0a:c8:d5:e9:4e:9d:2d:74:d4:8d:57:4c 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=matpp.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): cc:0a:73:e5:0a:c8:d5:e9:4e:9d:2d:74:d4:8d:57:4cSerial Number (int): 271216784732399467487247338932997543756
Serial Number lenght: 128 bits, 16 octets
SubjectKeyId: d8:6e:61:80:cc:7b:ae:6e:d9:61:a2:96:d3:e4:a6:2f:bd:58:46:aa
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1
Fingerprint (sha1): 38:8d:51:ba:50:55:f2:4f:b5:1c:81:39:3d:91:f8:e4:0f:09:63:6a
Fingerprint (sha256): 03:60:0c:ab:73:61:3f:a3:37:34:d2:5b:d1:36:57:8d:63:ec:b6:44:35:fb:a1:34:ca:20:be:3e:98:df:e3:d6
Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
Revocation information
OCSP Server: http://ocsp.sectigo.comCheck the revocation status for certificate matpp.hku.hk
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for matpp.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
matpp.hku.hk
www.matpp.hku.hk
www.matpp.hku.hk
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matpp.hku.hk
Certificate
The complete raw certificate details for matpp.hku.hk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFuTCCBKGgAwIBAgIRAMwKc+UKyNXpTp0tdNSNV0wwDQYJKoZIhvcNAQELBQAw gY8xCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO BgNVBAcTB1NhbGZvcmQxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE3MDUGA1UE AxMuU2VjdGlnbyBSU0EgRG9tYWluIFZhbGlkYXRpb24gU2VjdXJlIFNlcnZlciBD QTAeFw0xOTEyMjgwMDAwMDBaFw0yMDAzMjcyMzU5NTlaMBcxFTATBgNVBAMTDG1h dHBwLmhrdS5oazCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJVPvoPm 6fkZyKBAQc775BaxUMtyGUbTsF1Jj3SYQeiw95jz3Ic31iWOPiXPYTuXh2E7nOz9 /UyT6ffgxWc+A0CLy2V2rorTFSgQn1tiQZ7eZ6Opjm6kr9O0ga+fDuRhnrySJZUB L6vCpkRG88kQGLHadvzSTr0tabQH6hh4mZuBoYOQAQl89h0uMSBGb7bZEzM9Sbdr AK/q49d85iLTcg6sTzKCSM+Le62fPc/2YW1QSPRK0fTbjd89vKuIEMBnapt4Tl+s 4V0kchFvi4m6NB3kSql3U0w3uCN/fyfXKDWmgge4PNHXyxek4upugrhzcDMYVgwC reLJjZdWV9Enuj8CAwEAAaOCAoUwggKBMB8GA1UdIwQYMBaAFI2MXsRUrYrhd+mb +ZsF4bgBjWHhMB0GA1UdDgQWBBTYbmGAzHuubtlhopbT5KYvvVhGqjAOBgNVHQ8B Af8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwSQYDVR0gBEIwQDA0BgsrBgEEAbIxAQICBzAlMCMGCCsGAQUFBwIBFhdo dHRwczovL3NlY3RpZ28uY29tL0NQUzAIBgZngQwBAgEwgYQGCCsGAQUFBwEBBHgw djBPBggrBgEFBQcwAoZDaHR0cDovL2NydC5zZWN0aWdvLmNvbS9TZWN0aWdvUlNB RG9tYWluVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAjBggrBgEFBQcwAYYX aHR0cDovL29jc3Auc2VjdGlnby5jb20wKQYDVR0RBCIwIIIMbWF0cHAuaGt1Lmhr ghB3d3cubWF0cHAuaGt1LmhrMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAB7dc G+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFvTrVnVgAABAMARjBEAiAq 9rml4ONs82MGhrz/+ZMz8b8tT0twEu4YokX+lWIvhQIga7zwpIljpM0+JhH1/nZ3 Wk07Dyryy055/yOdpeoX2yEAdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWW gXFFWAAAAW9OtWdDAAAEAwBHMEUCIQC0ZPJO6N1Muem0M76/h3bn2SJ3N19DN9nc KU1e5gi+nQIgYWIg8AUDmmhtZPO7zM9b1h3zfGd4ujDQ2PSnqP0jyTEwDQYJKoZI hvcNAQELBQADggEBADHhxhOMg3VoNGzMoKMo/HZgQPTnaXbvPiTW8eS/2r9TKlQM Soc21fxidRlc4i4/gvtxndf3LmMmoz/ksfXPlbcQnwSztO0MYhJw5BIWB8JsIDTh NTqtayshP1ykf71pmzi2wJvDzY/utvlh9TIMm2faHbIaJAvKhLQi8OvLm1zcG0dn EGmFNC4CkHYe2ynu2Z0pS35cJ7m1cVg6OxrP8FWbi/Yj6/YNaPXSvSL6QyrvSW4h t1Eu62PDcLGqz290+MNumzx3LGV78hVu03o1roEm+6Sc+HA5UqpRfsNgDFzLmwAo qz0+Hvgh0OWm/rNrgaZztv+0sBmpLe+ZQf9DvgU= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlU++g+bp+RnIoEBBzvvk FrFQy3IZRtOwXUmPdJhB6LD3mPPchzfWJY4+Jc9hO5eHYTuc7P39TJPp9+DFZz4D QIvLZXauitMVKBCfW2JBnt5no6mObqSv07SBr58O5GGevJIllQEvq8KmREbzyRAY sdp2/NJOvS1ptAfqGHiZm4Ghg5ABCXz2HS4xIEZvttkTMz1Jt2sAr+rj13zmItNy DqxPMoJIz4t7rZ89z/ZhbVBI9ErR9NuN3z28q4gQwGdqm3hOX6zhXSRyEW+Libo0 HeRKqXdTTDe4I39/J9coNaaCB7g80dfLF6Ti6m6CuHNwMxhWDAKt4smNl1ZX0Se6 PwIDAQAB -----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 271216784732399467487247338932997543756 . . . . . . . . [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 2019-12-28 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-27 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 'matpp.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 18848830770644658665320762398646705461423992421252189979902519885886760352896183847006367627389688329552511934240893065494967560957819989334748898765479794370924469178405923303972362594884148849118968203682111322224672990651462452443706198829179018864414793007560626338471186578494594585490388766433445460513207768331464942047632467617501296371951415687012445145096177127105351326004139445643222843873500386993475675266988950750814368562294444738362525834857558816334469298135077654715169267771400005281097954268824095691954287443848344966680590088703009101189323049513251931745403651971094100964462312726630121323071 . . . . . . . . . . . . . . . . . . . . [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) d86e6180cc7bae6ed961a296d3e4a62fbd5846aa . . . . . . . . . . . . . . . . [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 (34 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'matpp.hku.hk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.matpp.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f4eb56756000004030046304402202af6b9a5e0e36cf3630686bcfff99333f1bf2d4f4b7012ee18a245fe95622f8502206bbcf0a48963a4cd3e2611f5fe76775a4d3b0f2af2cb4e79ff239da5ea17db210076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f4eb567430000040300473045022100b464f24ee8dd4cb9e9b433bebf8776e7d92277375f4337d9dc294d5ee608be9d0220616220f005039a686d64f3bbcccf5bd61df37c6778ba30d0d8f4a7a8fd23c931 . . . . [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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