eform.ncu.edu.tw

Issued by TWCA Secure CA

About this certificate


This digital certificate with serial number 40:01:33:04:fe:00:00:00:00:65:c8:61:d5:0b:96:ca was issued on by TAIWAN-CA INC. .

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.

Cerificate errors/warnings *beta

  • ERROR: Certificate contains no Authority Info Access Issuers

National Central University

Organization: National Central University
Organization unit: CC
State / Province: TAIWAN
Locality: Taoyuan
Country: TW

TAIWAN-CA INC.

Organization: TAIWAN-CA INC.
Organization unit: SSL Certification Service Provider
State / Province: TAIWAN
Locality: Taoyuan
Country: TW

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 40:01:33:04:fe:00:00:00:00:65:c8:61:d5:0b:96:ca
Serial Number (int): 85076818825504779480371450789516515018
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: c4:d5:bb:6d:6b:72:91:eb:1d:48:43:e8:20:3c:56:d5:10:9d:78:5f
AuthorityKeyId: 0a:69:4d:3b:5c:3c:e7:1d:61:12:54:3e:cb:58:d9:58:d0:79:f9:74

Fingerprint (sha1): ab:40:f1:ab:09:d8:bd:08:34:72:6d:d0:09:14:98:a1:69:e7:8b:c6
Fingerprint (sha256): 95:fe:01:4b:45:c6:5a:43:73:1e:84:3f:e2:50:eb:bb:e3:fb:ea:0e:aa:d5:1e:25:9a:d1:f5:f0:8c:04:d8:fa


Revocation information

CRL Distribution Point: http://sslserver.twca.com.tw/sslserver/revoke11.crl

Check the revocation status for the current certificate on eform.ncu.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

SHA1 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: eform.ncu.edu.tw

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEsDCCA5igAwIBAgIQQAEzBP4AAAAAZchh1QuWyjANBgkqhkiG9w0BAQUFADBs MQswCQYDVQQGEwJUVzEXMBUGA1UEChMOVEFJV0FOLUNBIElOQy4xKzApBgNVBAsT IlNTTCBDZXJ0aWZpY2F0aW9uIFNlcnZpY2UgUHJvdmlkZXIxFzAVBgNVBAMTDlRX Q0EgU2VjdXJlIENBMB4XDTEyMDgzMDA3MTQ0MVoXDTE0MDkwMTE1NTk1OVowfjEL MAkGA1UEBhMCVFcxDzANBgNVBAgTBlRBSVdBTjEQMA4GA1UEBxMHVGFveXVhbjEk MCIGA1UEChMbTmF0aW9uYWwgQ2VudHJhbCBVbml2ZXJzaXR5MQswCQYDVQQLEwJD QzEZMBcGA1UEAxMQZWZvcm0ubmN1LmVkdS50dzCCASIwDQYJKoZIhvcNAQEBBQAD ggEPADCCAQoCggEBAMxEcrcvI02pNg44242VMLFbgzv2xZbeXdKIXKCE/8TZVbQN sI2SzEQeKoChwOi5oES/nj9uF9kh1UXaZjiqmDCVnq9Zr7FANVi/VgTWZ6G90Ebj sQiqRoVuCiwgKOCBQ6+RZuPH0ntyA9tUuZS2PwauQ4SueEQhtpdoFUIX9/BjWn5i 6gnJW59S5A7h4ZSn8tYcaHiX/a9n+Qs7+238mCjE01csKh379cPcOzGBAfArPDOP EyY4GQejxmv25bPyM832+eYEJ/nKxzWLYkMe5PnWU97Dfn9gwQ9L21agCajUFSy6 TMwhubkMSkStFI9wjPTy5jE3XGhGKMZ4fItqLCkCAwEAAaOCATowggE2MB8GA1Ud IwQYMBaAFAppTTtcPOcdYRJUPstY2VjQefl0MB0GA1UdDgQWBBTE1btta3KR6x1I Q+ggPFbVEJ14XzBEBgNVHR8EPTA7MDmgN6A1hjNodHRwOi8vc3Nsc2VydmVyLnR3 Y2EuY29tLnR3L3NzbHNlcnZlci9yZXZva2UxMS5jcmwwGwYDVR0RBBQwEoIQZWZv cm0ubmN1LmVkdS50dzBXBgNVHSAEUDBOMEwGB2CBHgMBCAUwQTAiBggrBgEFBQcC AjAWGhRSZXN0cmljdGlvbiA9My4yLjEuMTAbBggrBgEFBQcCARYPd3d3LnR3Y2Eu Y29tLnR3MAkGA1UdEwQCMAAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjANBgkqhkiG9w0BAQUFAAOCAQEAO3Exot8QTMwQa25s e/NZ78FH57RtHjvqMtlTo1+aUCxD4HrXXrw/TTPkdiqKjs+UZ4HVdEy4/+7UcGWr +aot7W9DbWDotTxm6tyBt7ZEikbmHn2SGR/n1X+qPkVjuBjz7oHtdCtf5WE4vo03 Eg8lCLD7P7PmpmWO3/qGmBWv8Dtti61a3filrnA62ELr9Gs1hkSe1vG9A8U58nmD vockYvemSBADysRhoUz3odvsCjMplUkq7rQH45qqf/+yIe1UTAcWpgdb81BvRayT X9KhJGBmvnyPVvvFeuQ1MM4kT+3leP1/+Pq9hTz56N22+W7eE69Je6PbTRtr6dhf Ns6Lqg== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzERyty8jTak2DjjbjZUw sVuDO/bFlt5d0ohcoIT/xNlVtA2wjZLMRB4qgKHA6LmgRL+eP24X2SHVRdpmOKqY MJWer1mvsUA1WL9WBNZnob3QRuOxCKpGhW4KLCAo4IFDr5Fm48fSe3ID21S5lLY/ Bq5DhK54RCG2l2gVQhf38GNafmLqCclbn1LkDuHhlKfy1hxoeJf9r2f5Czv7bfyY KMTTVywqHfv1w9w7MYEB8Cs8M48TJjgZB6PGa/bls/Izzfb55gQn+crHNYtiQx7k +dZT3sN+f2DBD0vbVqAJqNQVLLpMzCG5uQxKRK0Uj3CM9PLmMTdcaEYoxnh8i2os KQIDAQAB -----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 85076818825504779480371450789516515018 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [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 INC.' . . . . . . . . . . . . [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 'SSL Certification Service Provider' . . . . . . . . . . . . [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 CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-08-30 07:14:41 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-09-01 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 'Taoyuan' . . . . . . . . . . . . [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 Central 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 'CC' . . . . . . . . . . . . [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 'eform.ncu.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 25786367232959346445237805574805717674868790145265459777971481395461257024538740569962964370046611818972971999064975697834123795247505135435356891041136236551384063044159249857431223718660648032123786780548135000826892282120498164232505178499440462211423569587114830671485427042793135778348800934083806754533684642364756012012580341173606908548386771874561626343050150326166927346168334333063134986412990113216861534751797094277038419458072204777815851766374101923001179735369560464362145116857112603631366407417834196486937901908584536669205324566518345382248267393366971028942259588300558214613979620906946704059433 . . . . . . . . . . . . . . . . . . . . [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 0a694d3b5c3ce71d6112543ecb58d958d079f974 . . . . . . . . . . . . . . . . [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) c4d5bb6d6b7291eb1d4843e8203c56d5109d785f . . . . . . . . . . . . . . . . [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 (61 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/revoke11.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 'eform.ncu.edu.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 (80 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.158.3.1.8.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:26|false] VisibleString, ISO646String [82 101 115 116 114 105 99 116 105 111 110 32 61 51 46 50 46 49 46 49] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 003b7131a2df104ccc106b6e6c7bf359efc147e7b46d1e3bea32d953a35f9a502c43e07ad75ebc3f4d33e4762a8a8ecf946781d5744cb8ffeed47065abf9aa2ded6f436d60e8b53c66eadc81b7b6448a46e61e7d92191fe7d57faa3e4563b818f3ee81ed742b5fe56138be8d37120f2508b0fb3fb3e6a6658edffa869815aff03b6d8bad5addf8a5ae703ad842ebf46b3586449ed6f1bd03c539f27983be872462f7a6481003cac461a14cf7a1dbec0a332995492aeeb407e39aaa7fffb221ed544c0716a6075bf3506f45ac935fd2a1246066be7c8f56fbc57ae43530ce244fede578fd7ff8fabd853cf9e8ddb6f96ede13af497ba3db4d1b6be9d85f36ce8baa