vpn2.adm.ncyu.edu.tw

Issued by TWCA Secure Certification Authority

About this certificate


This digital certificate with serial number 40:01:33:2b:8f:00:00:00:00:00:00:04:37:7e:40:21 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 Chiayi University

Organization: National Chiayi University
Organization unit: Computer Center
State / Province: Taiwan
Locality: Chiayi
Country: TW

TAIWAN-CA INC.

Organization: TAIWAN-CA INC.
Organization unit: SSL Security Services
State / Province: Taiwan
Locality: Chiayi
Country: TW

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 40:01:33:2b:8f:00:00:00:00:00:00:04:37:7e:40:21
Serial Number (int): 85076821881050281446482665032231305249
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: a9:4d:1b:8b:77:77:0e:91:06:e6:6f:d4:d8:d6:d8:5e:34:a1:7a:5e
AuthorityKeyId: 23:f5:38:50:f2:de:f4:7b:3e:ef:fd:ab:ab:51:31:03:0d:b8:f9:1d

Fingerprint (sha1): eb:4e:62:47:f8:df:93:1d:57:d5:c2:aa:2c:1c:5e:e5:fd:ac:ab:de
Fingerprint (sha256): 22:7a:b3:c9:e6:ad:14:b2:11:55:2c:a9:7d:a5:14:4a:46:9a:1c:74:5b:af:22:a8:27:d9:ce:17:31:45:82:d9


Revocation information

OCSP Server: http://sslocsp.twca.com.tw
CRL Distribution Point: http://sslserver.twca.com.tw/sslserver/cmdssl_revoke_2012.crl

Check the revocation status for the current certificate on vpn2.adm.ncyu.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

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: vpn2.adm.ncyu.edu.tw

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFFjCCA/6gAwIBAgIQQAEzK48AAAAAAAAEN35AITANBgkqhkiG9w0BAQUFADB0 MQswCQYDVQQGEwJUVzEXMBUGA1UEChMOVEFJV0FOLUNBIElOQy4xHjAcBgNVBAsT FVNTTCBTZWN1cml0eSBTZXJ2aWNlczEsMCoGA1UEAxMjVFdDQSBTZWN1cmUgQ2Vy dGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTMwNzAzMDYwMDU0WhcNMTUwNzAzMTU1 OTU5WjCBjTELMAkGA1UEBhMCVFcxDzANBgNVBAgTBlRhaXdhbjEPMA0GA1UEBxMG Q2hpYXlpMSMwIQYDVQQKExpOYXRpb25hbCBDaGlheWkgVW5pdmVyc2l0eTEYMBYG A1UECxMPQ29tcHV0ZXIgQ2VudGVyMR0wGwYDVQQDExR2cG4yLmFkbS5uY3l1LmVk dS50dzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKUw2GIQ8/SE0kgi jVxdWTW18crgcb8M1kSiU4I9STlp0bra+ngkVJYh2sqNc0PVCabeJCWhZ3t0mOL/ GovQUQWmrFowFEAAT8kEgidgX/+k2Wbl72K6ZpfG2cxBTzcVBEFiQAodWKgJssDp 1OqEKmFFPEPKGUD0911F+WN4JcLvOJM3g8TkQPUSUtxb2KYWJ84wvdbPRMl5DwRr rz9z855bQdTRyyXwmZ8wYPefP8Xtma8cJMUpdunSLbayJIbNOweLO1YohdpJAAEt PlTjmFVFhWO9HmLMDefU9p844oezDImEVPJb2atLlT4j4ujU4U7qA/33ASZIy/nt vUNtcHsCAwEAAaOCAYgwggGEMB8GA1UdIwQYMBaAFCP1OFDy3vR7Pu/9q6tRMQMN uPkdMB0GA1UdDgQWBBSpTRuLd3cOkQbmb9TY1theNKF6XjBOBgNVHR8ERzBFMEOg QaA/hj1odHRwOi8vc3Nsc2VydmVyLnR3Y2EuY29tLnR3L3NzbHNlcnZlci9jbWRz c2xfcmV2b2tlXzIwMTIuY3JsMB8GA1UdEQQYMBaCFHZwbjIuYWRtLm5jeXUuZWR1 LnR3MDYGCCsGAQUFBwEBBCowKDAmBggrBgEFBQcwAYYaaHR0cDovL3NzbG9jc3Au dHdjYS5jb20udHcwXwYDVR0gBFgwVjBUBgdggR4DAQgFMEkwIgYIKwYBBQUHAgIw FhoUUmVzdHJpY3Rpb24gPTMuMi4xLjEwIwYIKwYBBQUHAgEWF2h0dHA6Ly93d3cu dHdjYS5jb20udHcvMAkGA1UdEwQCMAAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjANBgkqhkiG9w0BAQUFAAOCAQEAMjk8+J4w oSaa2Np6ztpdzN7fBRf2fMghqJszAYuFdV9pEKBdJsN/wgRdHVXSkC3ydXDvhP2p naPk5JKMQ1iE3Hvn9HJd0d8J72XngSVoIF+NC27Vqr3GG9LzBOtSYA9MiB1AlVal ubiP2Ocycdqgryg788cpP+v8Wi7p6qwD860LLRfTquhdlroQLMe4V+N3ztc0xbtX SH95vZjeWIBOQlRAnAH2KgEVOcRtfr0dl6egRWtA8wNmhABxQIpOi88RtRMYTnyb nX3w6mJ04qb/IhcMSZTbeqiyrhndtpAmkN/cw7ECjUCjCy7XCC2cfxvHBABP87yK R4tFqbliJ4g1jg== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApTDYYhDz9ITSSCKNXF1Z NbXxyuBxvwzWRKJTgj1JOWnRutr6eCRUliHayo1zQ9UJpt4kJaFne3SY4v8ai9BR BaasWjAUQABPyQSCJ2Bf/6TZZuXvYrpml8bZzEFPNxUEQWJACh1YqAmywOnU6oQq YUU8Q8oZQPT3XUX5Y3glwu84kzeDxORA9RJS3FvYphYnzjC91s9EyXkPBGuvP3Pz nltB1NHLJfCZnzBg958/xe2ZrxwkxSl26dIttrIkhs07B4s7ViiF2kkAAS0+VOOY VUWFY70eYswN59T2nzjih7MMiYRU8lvZq0uVPiPi6NThTuoD/fcBJkjL+e29Q21w ewIDAQAB -----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 85076821881050281446482665032231305249 . . . . . . . . [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 Security Services' . . . . . . . . . . . . [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 Certification Authority' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-07-03 06:00:54 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-07-03 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 'Chiayi' . . . . . . . . . . . . [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 Chiayi 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 'Computer Center' . . . . . . . . . . . . [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 'vpn2.adm.ncyu.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 20853406808101336325481960729291824637668550026742721286520899244333355565946508877662540288182547000739092421977701287930161548664667973472497267665148147140378858506457483156010567659508240162398675327063533288172997257551445073438437824132470312083123619615246698738714833045168521767553990392667773651385242301682163863101318837893344414349397102611444747306256734424714862593394196504034458797357461234591247735260540606414601417363584327213325346240370881821053915970240014282570656771029334511426992135809581087887857282540531860587573329513748603763650040969725958739983984749019837021037250340816087977652347 . . . . . . . . . . . . . . . . . . . . [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 23f53850f2def47b3eeffdabab5131030db8f91d . . . . . . . . . . . . . . . . [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) a94d1b8b77770e9106e66fd4d8d6d85e34a17a5e . . . . . . . . . . . . . . . . [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 (71 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/cmdssl_revoke_2012.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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vpn2.adm.ncyu.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 (42 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://sslocsp.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 (88 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 'http://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) 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