ntcse.cher.ntnu.edu.tw

Issued by TWCA Secure SSL Certification Authority

About this certificate


This digital certificate with serial number 47:df:00:00:00:00:1c:4a:0b:08:ce:a7:d3:fa:9a:10 was issued on by TAIWAN-CA .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

National Taiwan Norml University

Organization: National Taiwan Norml University
Organization unit: Center for Educational Research and Evaluation
State / Province: Taiwan
Locality: Taipei
Country: TW

TAIWAN-CA

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

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Certificate Details

Serial Number (hex): 47:df:00:00:00:00:1c:4a:0b:08:ce:a7:d3:fa:9a:10
Serial Number (int): 95533069900182427129448296320335518224
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: b4:9b:c6:43:b7:da:d3:47:07:fd:d4:44:f9:8b:f3:a8:f0:35:85:a1:9e:c8:b1:f0:94:ff:fb:8b:5a:cb:a3:e0
AuthorityKeyId: f8:07:c2:68:24:ff:85:95:cb:db:1e:e3:33:9c:2a:4f:97:20:56:7b

Fingerprint (sha1): 8c:55:c9:d8:0f:97:dc:01:3c:97:2e:4f:55:44:0d:be:b6:ad:33:b5
Fingerprint (sha256): ec:b4:4a:fa:e0:2e:a5:96:18:29:c7:52:1f:b9:24:58:89:5d:7a:e0:49:fa:2a:92:c7:d0:51:a8:71:02:55:ca

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 ntcse.cher.ntnu.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: ntcse.cher.ntnu.edu.tw

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFcjCCBFqgAwIBAgIQR98AAAAAHEoLCM6n0/qaEDANBgkqhkiG9w0BAQsFADBv MQswCQYDVQQGEwJUVzESMBAGA1UEChMJVEFJV0FOLUNBMRowGAYDVQQLExFTZWN1 cmUgU1NMIFN1Yi1DQTEwMC4GA1UEAxMnVFdDQSBTZWN1cmUgU1NMIENlcnRpZmlj YXRpb24gQXV0aG9yaXR5MB4XDTE1MTEwNTAzMzk0MVoXDTE3MTEwOTE1NTk1OVow gbQxCzAJBgNVBAYTAlRXMQ8wDQYDVQQIEwZUYWl3YW4xDzANBgNVBAcTBlRhaXBl aTEpMCcGA1UEChMgTmF0aW9uYWwgVGFpd2FuIE5vcm1sIFVuaXZlcnNpdHkxNzA1 BgNVBAsTLkNlbnRlciBmb3IgRWR1Y2F0aW9uYWwgUmVzZWFyY2ggYW5kIEV2YWx1 YXRpb24xHzAdBgNVBAMTFm50Y3NlLmNoZXIubnRudS5lZHUudHcwggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDH2/u752XzwLkjuH7E/fRFF0DrvBud6Q8u xcT3X5gIElbTutGbP80C7tkBZlm1qckq4I9b/ipfOHMQO+uQaemTmV+yEkmgk+TK Yh08lQibmVCxzIbLM7Bta1T6hXOY9uwROUUXOqZaG8KRQb0tSe3ALcvLcwX9nTLM C+VbnqsNWVEKklDg1BokFC93+G1N6Q5Zq4KmwSPrCe17yzqRlO35FsgdpIVW/iKY ldqNyUl6VJiIGmrBDAhBufApour2q2WDXXpWxf/RJRg58FK1VBib+t8hWWqbjLby yr9tf119n4sKfnZFbAoT/R/eJSu8fr0EGtugjgRpPUSSkfNWKsihAgMBAAGjggHC MIIBvjAfBgNVHSMEGDAWgBT4B8JoJP+FlcvbHuMznCpPlyBWezApBgNVHQ4EIgQg tJvGQ7fa00cH/dRE+YvzqPA1haGeyLHwlP/7i1rLo+AwVgYDVR0fBE8wTTBLoEmg R4ZFaHR0cDovL3NzbHNlcnZlci50d2NhLmNvbS50dy9zc2xzZXJ2ZXIvU2VjdXJl c3NsX3Jldm9rZV9zaGEyXzIwMTQuY3JsMCEGA1UdEQQaMBiCFm50Y3NlLmNoZXIu bnRudS5lZHUudHcwgYEGCCsGAQUFBwEBBHUwczBEBggrBgEFBQcwAoY4aHR0cDov L3NzbHNlcnZlci50d2NhLmNvbS50dy9jYWNlcnQvc2VjdXJlX3NoYTJfMjAxNC5j cnQwKwYIKwYBBQUHMAGGH2h0dHA6Ly90d2Nhc3Nsb2NzcC50d2NhLmNvbS50dy8w NwYDVR0gBDAwLjAsBgsrBgEEAYK/JQEBGTAdMBsGCCsGAQUFBwIBFg93d3cudHdj YS5jb20udHcwCQYDVR0TBAIwADAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMA0GCSqGSIb3DQEBCwUAA4IBAQBHCIJNoSIzJMmQ f09O2x+we1boKYgQ6fmUmsTHoM1EfanJonUeDLXSEDFblfqUzlKl8VuBHtnVdJDw PmKg3GPgZvGa6lyKLqNTFSLpebJv70DgN8eC1rbgWhGFibnHm/KNhpr8EYcqKYhI ORPbJxYi+ibG96bPpwx1XbDF8rYBF1CTqwD4pONnArZEFOBud73JEWU9vT8EFmLJ fIk8UDH36J2SR+DHPu0TLJrtE3uF4zPf2r2RbR7+DUzQG3KUUBwgrnhbaXsRwksB 4gmkWF8CHUMJCC6d9+Q4Xvti+55/Q7Pu/EzSnApVE/PfxrmQfGzaiPmKkmVXp1to YGzmC9rp -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx9v7u+dl88C5I7h+xP30 RRdA67wbnekPLsXE91+YCBJW07rRmz/NAu7ZAWZZtanJKuCPW/4qXzhzEDvrkGnp k5lfshJJoJPkymIdPJUIm5lQscyGyzOwbWtU+oVzmPbsETlFFzqmWhvCkUG9LUnt wC3Ly3MF/Z0yzAvlW56rDVlRCpJQ4NQaJBQvd/htTekOWauCpsEj6wnte8s6kZTt +RbIHaSFVv4imJXajclJelSYiBpqwQwIQbnwKaLq9qtlg116VsX/0SUYOfBStVQY m/rfIVlqm4y28sq/bX9dfZ+LCn52RWwKE/0f3iUrvH69BBrboI4EaT1EkpHzVirI oQIDAQAB -----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 95533069900182427129448296320335518224 . . . . . . . . [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 2015-11-05 03:39:41 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-09 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 'Taipei' . . . . . . . . . . . . [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 Taiwan Norml 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 'Center for Educational Research and Evaluation' . . . . . . . . . . . . [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 'ntcse.cher.ntnu.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 25229900514219631847430426429616607858907558212049942468632446362766343109669271263518696498603813997650746052943602424798560041689171714164057870243893198316381543235912707638942201019869290297801708214656892853238087202617464315919107918533421239103489640616647535303453477416778506037502818892519768110774413801445976160156290230344412257785583227102002004792785544480703070691718902396240194113307368011915023990719934074849471558011786680327156033952550553950671280847917322994495262472193568486255508460269760233756917690545753959715342202560509173610429995492601801691956967375217910610407424482902691940059297 . . . . . . . . . . . . . . . . . . . . [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) b49bc643b7dad34707fdd444f98bf3a8f03585a19ec8b1f094fffb8b5acba3e0 . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ntcse.cher.ntnu.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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