myacs.polyu.edu.hk

Issued by Symantec Class 3 Secure Server CA - G4

About this certificate


This digital certificate with serial number 08:3a:d7:f1:8a:41:ef:69:c5:82:a3:87:8a:09:9e:9e was issued on by Symantec Corporation .

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.

The Hong Kong Polytechnic University

Organization: The Hong Kong Polytechnic University
Organization unit: Information Technology Services Office
State / Province: Hong Kong
Locality: Hong Kong
Country: CN

Symantec Corporation

Organization: Symantec Corporation
Organization unit: Symantec Trust Network
State / Province: Hong Kong
Locality: Hong Kong
Country: CN

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 08:3a:d7:f1:8a:41:ef:69:c5:82:a3:87:8a:09:9e:9e
Serial Number (int): 10939357038914940162881955512516714142
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: 5f:60:cf:61:90:55:df:84:43:14:8a:60:2a:b2:f5:7a:f4:43:18:ef

Fingerprint (sha1): 90:c0:88:9d:6c:fe:08:08:0d:65:2a:c0:5e:52:d3:3e:51:bb:47:83
Fingerprint (sha256): 55:1e:36:34:21:23:84:bf:b3:e7:af:67:94:8b:cf:ea:7c:53:c1:77:f7:e0:00:4b:6d:c7:49:39:e7:c8:15:73

Issuing Certificate URL: http://ss.symcb.com/ss.crt

Revocation information

OCSP Server: http://ss.symcd.com
CRL Distribution Point: http://ss.symcb.com/ss.crl

Check the revocation status for the current certificate on myacs.polyu.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

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: myacs.polyu.edu.hk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFKDCCBBCgAwIBAgIQCDrX8YpB72nFgqOHigmenjANBgkqhkiG9w0BAQsFADB+ MQswCQYDVQQGEwJVUzEdMBsGA1UEChMUU3ltYW50ZWMgQ29ycG9yYXRpb24xHzAd BgNVBAsTFlN5bWFudGVjIFRydXN0IE5ldHdvcmsxLzAtBgNVBAMTJlN5bWFudGVj IENsYXNzIDMgU2VjdXJlIFNlcnZlciBDQSAtIEc0MB4XDTE0MDgwMTAwMDAwMFoX DTE1MDgzMDIzNTk1OVowgbIxCzAJBgNVBAYTAkNOMRIwEAYDVQQIDAlIb25nIEtv bmcxEjAQBgNVBAcMCUhvbmcgS29uZzEtMCsGA1UECgwkVGhlIEhvbmcgS29uZyBQ b2x5dGVjaG5pYyBVbml2ZXJzaXR5MS8wLQYDVQQLDCZJbmZvcm1hdGlvbiBUZWNo bm9sb2d5IFNlcnZpY2VzIE9mZmljZTEbMBkGA1UEAwwSbXlhY3MucG9seXUuZWR1 LmhrMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwcgU6aevzS+Y7uz9 cIhY2SKyG+S4HVaqg0Y0s26bReJpD0ycQ0OvU3nsjXQkYTi3qFbf4qPxqEq9VxH0 ErYt4kyAvtunQhIsGZyW91OMN3ZzEX1o/tp3NY1xIM5/2BaWeDyi6Zzu9Ls8g+Qv Ptlxeg1ULoovUa513+E7ORWBOyRvMb1faOPmagL1yKyHbp+wkhn7k/rlXT6K/QQT yX74XHRyE1IYQ+rOA+WiBKp34g5DL91Strhyu8dMtDQ0yZEqELnBfMmt6s+jCKcY QuOmoBo6JJD98kmC50iqSPlr5N1t7jG6jr9ErQ1IGaeveQjijQfM2AVHvJcj+fZU uiRxiwIDAQABo4IBazCCAWcwHQYDVR0RBBYwFIISbXlhY3MucG9seXUuZWR1Lmhr MAkGA1UdEwQCMAAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjBlBgNVHSAEXjBcMFoGCmCGSAGG+EUBBzYwTDAjBggrBgEFBQcC ARYXaHR0cHM6Ly9kLnN5bWNiLmNvbS9jcHMwJQYIKwYBBQUHAgIwGRoXaHR0cHM6 Ly9kLnN5bWNiLmNvbS9ycGEwHwYDVR0jBBgwFoAUX2DPYZBV34RDFIpgKrL1evRD GO8wKwYDVR0fBCQwIjAgoB6gHIYaaHR0cDovL3NzLnN5bWNiLmNvbS9zcy5jcmww VwYIKwYBBQUHAQEESzBJMB8GCCsGAQUFBzABhhNodHRwOi8vc3Muc3ltY2QuY29t MCYGCCsGAQUFBzAChhpodHRwOi8vc3Muc3ltY2IuY29tL3NzLmNydDANBgkqhkiG 9w0BAQsFAAOCAQEAfEN0zGTy3Va94+rWfrXN5aEq/oH5KjjKHA3jT+mOxd0iBPNw PXwZtB/QmWNIpBBCIqnGvmL8l+5+wwQvDmw8qPvMzZuNgedySp6UhFK+ab+zLHrV q7vJf0UKMGhBWDrGgLTwClYv6BOzXn0Eoz3VFs8ObLPbzXfQ9EoIQJixgexYHx8j 1GwS6k3eddZBMUcxED2wzT6f+VK5H/g+TZsUqlbCVg3/P1rPF57t6sUKXIueeZ/Z QbYkrJUTaRMVRbFUnXUjIStu113I6ntqOOnHAIqYJGnjp4wPxkbkiTi2r3I3OHOm q3He6f50xhMrRbcJ3jIQbSmUDkkN6r6E+ZkS8A== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwcgU6aevzS+Y7uz9cIhY 2SKyG+S4HVaqg0Y0s26bReJpD0ycQ0OvU3nsjXQkYTi3qFbf4qPxqEq9VxH0ErYt 4kyAvtunQhIsGZyW91OMN3ZzEX1o/tp3NY1xIM5/2BaWeDyi6Zzu9Ls8g+QvPtlx eg1ULoovUa513+E7ORWBOyRvMb1faOPmagL1yKyHbp+wkhn7k/rlXT6K/QQTyX74 XHRyE1IYQ+rOA+WiBKp34g5DL91Strhyu8dMtDQ0yZEqELnBfMmt6s+jCKcYQuOm oBo6JJD98kmC50iqSPlr5N1t7jG6jr9ErQ1IGaeveQjijQfM2AVHvJcj+fZUuiRx iwIDAQAB -----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 10939357038914940162881955512516714142 . . . . . . . . [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 '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 'Symantec Corporation' . . . . . . . . . . . . [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 'Symantec Trust Network' . . . . . . . . . . . . [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 'Symantec Class 3 Secure Server CA - G4' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-08-01 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-08-30 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 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'CN' . . . . . . . . . . . . [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:12|false] UTF8String '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 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '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 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'The Hong Kong Polytechnic University' . . . . . . . . . . . . [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:12|false] UTF8String 'Information Technology Services Office' . . . . . . . . . . . . [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:12|false] UTF8String 'myacs.polyu.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 24462656817188774368289549815550870126859805258440275626396140043167980443599455735353474530665637843170677449934789468229462577107286411136372651025160928369279828899906651601572715865754552715688175058997000777570336462716174552043403955563154176518730541347520418887768321276211035901533232067893830952489260401868664278403044362335311262407022230805160203665749301000655751617536590904507020116707569381520297505588187160151980975274449662961013310453674633028315532548691495583404049536768505783507574057867399206962848988264147126654605500726287353788623122421454317930860216425287063151908892886789839187636619 . . . . . . . . . . . . . . . . . . . . [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 'myacs.polyu.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 2.5.29.15 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (94 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://d.symcb.com/cps' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:26|false] VisibleString, ISO646String [104 116 116 112 115 58 47 47 100 46 115 121 109 99 98 46 99 111 109 47 114 112 97] . . . . . . . . . . . . . . . . [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 5f60cf619055df8443148a602ab2f57af44318ef . . . . . . . . . . . . . . . . [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 (36 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://ss.symcb.com/ss.crl' . . . . . . . . . . . . . . . . [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 (75 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://ss.symcd.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://ss.symcb.com/ss.crt' . . . . [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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