ejob.nctu.edu.tw

Issued by TWCA Secure SSL Certification Authority

About this certificate


This digital certificate with serial number 47:df:00:00:00:00:10:1c:28:fa:e3:32:89:ef:2a:12 was issued on by TAIWAN-CA .

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.

National Chiao Tung University

Organization: National Chiao Tung University
Organization unit: DCS
State / Province: TAIWAN
Locality: Hsinchu
Country: TW

TAIWAN-CA

Organization: TAIWAN-CA
Organization unit: Secure SSL Sub-CA
State / Province: TAIWAN
Locality: Hsinchu
Country: TW

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 47:df:00:00:00:00:10:1c:28:fa:e3:32:89:ef:2a:12
Serial Number (int): 95533069900182369614658084251408214546
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: f6:ab:98:ac:40:b6:ba:42:06:56:22:7b:47:28:63:7a:14:83:f7:45:1b:1c:f0:8d:2f:82:2d:b0:f4:77:2e:94
AuthorityKeyId: f8:07:c2:68:24:ff:85:95:cb:db:1e:e3:33:9c:2a:4f:97:20:56:7b

Fingerprint (sha1): 8b:5b:de:79:50:de:82:99:6d:ea:fb:1f:d3:1c:98:c6:1d:30:c0:e8
Fingerprint (sha256): c8:6e:dd:ff:36:44:88:46:c4:53:3c:d6:7b:3c:8d:ad:0d:f2:fa:06:08:94:a2:ce:c6:41:17:13:f1:e1:8d:f9

Issuing Certificate URL: http://sslserver.twca.com.tw/cacert/secure_sha2_2014.crt

Revocation information

OCSP Server: http://twcasslocsp.twca.com.tw/
CRL Distribution Point: http://sslserver.twca.com.tw/sslserver/Securessl_revoke_sha2_2014.crl

Check the revocation status for the current certificate on ejob.nctu.edu.tw
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: ejob.nctu.edu.tw

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFOjCCBCKgAwIBAgIQR98AAAAAEBwo+uMyie8qEjANBgkqhkiG9w0BAQsFADBv MQswCQYDVQQGEwJUVzESMBAGA1UEChMJVEFJV0FOLUNBMRowGAYDVQQLExFTZWN1 cmUgU1NMIFN1Yi1DQTEwMC4GA1UEAxMnVFdDQSBTZWN1cmUgU1NMIENlcnRpZmlj YXRpb24gQXV0aG9yaXR5MB4XDTE1MDkyMzA5MDEwOFoXDTE2MTAxOTE1NTk1OVow gYIxCzAJBgNVBAYTAlRXMQ8wDQYDVQQIEwZUQUlXQU4xEDAOBgNVBAcTB0hzaW5j aHUxJzAlBgNVBAoTHk5hdGlvbmFsIENoaWFvIFR1bmcgVW5pdmVyc2l0eTEMMAoG A1UECxMDRENTMRkwFwYDVQQDExBlam9iLm5jdHUuZWR1LnR3MIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvp0fjm45m19ZDz2HneaqSPE4i00P1LtjiJ6S rz46n7fSw3fFhPSBQe34GubLciry5M7NEc6GK/1uBDpc7g6lFtBj2mIWJBBkM9sT 49Naj8RM+mb6FGv6eB0OK1lHLejTOHf7A5ucCUmQSkQ2vnX8Ee8SiJqF4TLQgtr6 gCrMbbZCSmqlyTsMrD3fBoJ2sksSFYECkg5F9DDRnXfUwVFYTSA07ypfENig9t6w mmWOaho/C5oE6stw4EBXRcEPALf1feP6+FIpEfCUoxC/fpwW5NDuN0IjZ40JGTJN eQzLy2PQp1Ne/NZFI5fV4uS87fku/+Riy27FzHhnlNOW7w0WmwIDAQABo4IBvDCC AbgwHwYDVR0jBBgwFoAU+AfCaCT/hZXL2x7jM5wqT5cgVnswKQYDVR0OBCIEIPar mKxAtrpCBlYie0coY3oUg/dFGxzwjS+CLbD0dy6UMFYGA1UdHwRPME0wS6BJoEeG RWh0dHA6Ly9zc2xzZXJ2ZXIudHdjYS5jb20udHcvc3Nsc2VydmVyL1NlY3VyZXNz bF9yZXZva2Vfc2hhMl8yMDE0LmNybDAbBgNVHREEFDASghBlam9iLm5jdHUuZWR1 LnR3MIGBBggrBgEFBQcBAQR1MHMwRAYIKwYBBQUHMAKGOGh0dHA6Ly9zc2xzZXJ2 ZXIudHdjYS5jb20udHcvY2FjZXJ0L3NlY3VyZV9zaGEyXzIwMTQuY3J0MCsGCCsG AQUFBzABhh9odHRwOi8vdHdjYXNzbG9jc3AudHdjYS5jb20udHcvMDcGA1UdIAQw MC4wLAYLKwYBBAGCvyUBARkwHTAbBggrBgEFBQcCARYPd3d3LnR3Y2EuY29tLnR3 MAkGA1UdEwQCMAAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjANBgkqhkiG9w0BAQsFAAOCAQEAfkkObsyPRvSHnmu6RLcCZVIu sYBoy1y2ygUN5G+heGjsQ8V+pGs2kINhRup86zB59Zg5iJcV7DJcZAQr9vYRzRzD pei+Z95/0pyjrnO1isk8Xb8YjViNGfLFJOdjoZbfPjwS4sWj5C6tZGVW/iI9wR9v ie1YiSTlb9nQVCjaHBlMZixjP9d7VuJQZEaLYAZSmg+2N7TXCe7hgz5S2iNDXx8v RF8yfZWKFvxr7sN8HqRZ3sL1YNGb0ESJ+Y+ekuesw4Nt1J7sVD5urNqzcsHGkq1n DPYrx87yiIHuZ3yjVRCoewUd44Ab6HJKUN5mYu7328s5NWzDm/s2oVYOn5EHqg== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvp0fjm45m19ZDz2Hneaq SPE4i00P1LtjiJ6Srz46n7fSw3fFhPSBQe34GubLciry5M7NEc6GK/1uBDpc7g6l FtBj2mIWJBBkM9sT49Naj8RM+mb6FGv6eB0OK1lHLejTOHf7A5ucCUmQSkQ2vnX8 Ee8SiJqF4TLQgtr6gCrMbbZCSmqlyTsMrD3fBoJ2sksSFYECkg5F9DDRnXfUwVFY TSA07ypfENig9t6wmmWOaho/C5oE6stw4EBXRcEPALf1feP6+FIpEfCUoxC/fpwW 5NDuN0IjZ40JGTJNeQzLy2PQp1Ne/NZFI5fV4uS87fku/+Riy27FzHhnlNOW7w0W mwIDAQAB -----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 95533069900182369614658084251408214546 . . . . . . . . [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 'TW' . . . . . . . . . . . . [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 'TAIWAN-CA' . . . . . . . . . . . . [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 'Secure SSL Sub-CA' . . . . . . . . . . . . [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 'TWCA Secure SSL Certification Authority' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-09-23 09:01:08 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-10-19 15:59:59 +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 'TW' . . . . . . . . . . . . [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 'TAIWAN' . . . . . . . . . . . . [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 'Hsinchu' . . . . . . . . . . . . [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 'National Chiao Tung 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:19|false] PrintableString 'DCS' . . . . . . . . . . . . [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 'ejob.nctu.edu.tw' . . . . . . . . [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 24062758314275317645744445297189175675010750803451740285600827227817180822854055109907583173516435652771707446854000399014544511595161624700356577671579051149738673649582490364143875726295751861222382359135460703858246826505079208455315580758398688637907587858451515660993244098662589638972321291264939972523420561776219094087772390802020980491427149153276520257007176815612036654969439390153783290130633029918023539188877347937240251543266561945689294058906657738499480451379656484560297676454975914657200034514625984736404987081432236862275389010491273040497529169005952279165916653357387415776587178088599785379483 . . . . . . . . . . . . . . . . . . . . [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 f807c26824ff8595cbdb1ee3339c2a4f9720567b . . . . . . . . . . . . . . . . [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 (34 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (32 bytes) f6ab98ac40b6ba420656227b4728637a1483f7451b1cf08d2f822db0f4772e94 . . . . . . . . . . . . . . . . [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 (79 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://sslserver.twca.com.tw/sslserver/Securessl_revoke_sha2_2014.crl' . . . . . . . . . . . . . . . . [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 (20 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ejob.nctu.edu.tw' . . . . . . . . . . . . . . . . [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 (117 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://sslserver.twca.com.tw/cacert/secure_sha2_2014.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://twcasslocsp.twca.com.tw/' . . . . . . . . . . . . . . . . [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 (48 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.40869.1.1.25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.twca.com.tw' . . . . . . . . . . . . . . . . [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 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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