lgd.csu.edu.tw

Issued by TWCA Secure Certification Authority

About this certificate


This digital certificate with serial number 40:01:33:53:e6:00:00:00:00:00:00:10:ee:3d:36:3e 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

Cheng Shiu University

Organization: Cheng Shiu University
Organization unit: LIFE GUIDANCE DIVISION
State / Province: TAIWAN
Locality: KAOHSIUNG
Country: TW

TAIWAN-CA INC.

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

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 40:01:33:53:e6:00:00:00:00:00:00:10:ee:3d:36:3e
Serial Number (int): 85076825077101977871513189807650846270
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: d0:a1:18:fa:7d:65:d3:03:04:4d:db:79:4d:78:58:61:66:93:a7:cd
AuthorityKeyId: 23:f5:38:50:f2:de:f4:7b:3e:ef:fd:ab:ab:51:31:03:0d:b8:f9:1d

Fingerprint (sha1): 16:0c:73:66:2a:04:54:12:46:20:ab:1c:56:f6:20:15:32:f8:5d:c6
Fingerprint (sha256): 83:7c:00:92:de:04:e6:10:4a:16:19:3a:99:a0:a5:c3:74:3f:c1:ac:38:f2:c3:37:ce:59:3d:e9:9b:29:5c:9f


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 lgd.csu.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: lgd.csu.edu.tw

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFDzCCA/egAwIBAgIQQAEzU+YAAAAAAAAQ7j02PjANBgkqhkiG9w0BAQUFADB0 MQswCQYDVQQGEwJUVzEXMBUGA1UEChMOVEFJV0FOLUNBIElOQy4xHjAcBgNVBAsT FVNTTCBTZWN1cml0eSBTZXJ2aWNlczEsMCoGA1UEAxMjVFdDQSBTZWN1cmUgQ2Vy dGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTQxMDMwMDk1MTQ4WhcNMTYxMTMwMTU1 OTU5WjCBjDELMAkGA1UEBhMCVFcxDzANBgNVBAgTBlRBSVdBTjESMBAGA1UEBxMJ S0FPSFNJVU5HMR4wHAYDVQQKExVDaGVuZyBTaGl1IFVuaXZlcnNpdHkxHzAdBgNV BAsTFkxJRkUgR1VJREFOQ0UgRElWSVNJT04xFzAVBgNVBAMTDmxnZC5jc3UuZWR1 LnR3MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvRxYs+El7yos6aS5 zXWcK5JkKn2wjhJceDGR6VK/lQislfJ1UQXAH6w6kHXfSrtAYZbcADAf2X+qWB2i 1W9Ze9qrY3gSXeJNM6GxYLOg7hZm1xGMbIg3MJQDT5PMBZjkMiB6mV6FLHuJCVEN 2hQvSbGHyHkaiytRt+xqMsKxhKkFMnjidlipqEX44igQjjWVdsIkf1QAVRlm+O4t pPHe2nZ3CN6gARVJL/Orj5GdvrUILSFg/EKU6S6Rm72LTyjVEW5zCZf7CRqZw0Cj NDMLXE/IRKTs39uFpu9DFn8oscQpactx3iChUeSDQF9iXZYoxkWFx6nbmExvUYZm HjgYSQIDAQABo4IBgjCCAX4wHwYDVR0jBBgwFoAUI/U4UPLe9Hs+7/2rq1ExAw24 +R0wHQYDVR0OBBYEFNChGPp9ZdMDBE3beU14WGFmk6fNME4GA1UdHwRHMEUwQ6BB oD+GPWh0dHA6Ly9zc2xzZXJ2ZXIudHdjYS5jb20udHcvc3Nsc2VydmVyL2NtZHNz bF9yZXZva2VfMjAxMi5jcmwwGQYDVR0RBBIwEIIObGdkLmNzdS5lZHUudHcwNgYI KwYBBQUHAQEEKjAoMCYGCCsGAQUFBzABhhpodHRwOi8vc3Nsb2NzcC50d2NhLmNv bS50dzBfBgNVHSAEWDBWMFQGB2CBHgMBCAUwSTAiBggrBgEFBQcCAjAWGhRSZXN0 cmljdGlvbiA9My4yLjEuMTAjBggrBgEFBQcCARYXaHR0cDovL3d3dy50d2NhLmNv bS50dy8wCQYDVR0TBAIwADAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMA0GCSqGSIb3DQEBBQUAA4IBAQBgWS81Lk2RPjPxnw7e k7xFBsVlx3t8XekD8mDIhA5WFwzlbdtbKUNNamKWlV/0xnkTUmTx+9wbLtspv9B5 V2PnnRfJ0g8tbQQPP1pdJ26e2XIMLYy9y9pO82/XHnhbD9m9a2QF693xogi4wjKu +x8AIj8b3Fb7k3NwjjZrddKFZ0rmWqWtqTATt/BC2v62Ctpsn5KzdlErewK6A/FH uDWAWUQvZ8d7bpQ2wa0ylhbYc2tEPpPmLa6OsxYH5DNzQ137GB3tLdXZ6TFmeCDW Qfhzd6im7P2nzgqOxgR/ycorQjgC+wxvNtdc7caqKXAU4hrPY5Cnjx6RIChea4wo VKtt -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvRxYs+El7yos6aS5zXWc K5JkKn2wjhJceDGR6VK/lQislfJ1UQXAH6w6kHXfSrtAYZbcADAf2X+qWB2i1W9Z e9qrY3gSXeJNM6GxYLOg7hZm1xGMbIg3MJQDT5PMBZjkMiB6mV6FLHuJCVEN2hQv SbGHyHkaiytRt+xqMsKxhKkFMnjidlipqEX44igQjjWVdsIkf1QAVRlm+O4tpPHe 2nZ3CN6gARVJL/Orj5GdvrUILSFg/EKU6S6Rm72LTyjVEW5zCZf7CRqZw0CjNDML XE/IRKTs39uFpu9DFn8oscQpactx3iChUeSDQF9iXZYoxkWFx6nbmExvUYZmHjgY SQIDAQAB -----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 85076825077101977871513189807650846270 . . . . . . . . [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 2014-10-30 09:51:48 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-30 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 'KAOHSIUNG' . . . . . . . . . . . . [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 'Cheng Shiu 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 'LIFE GUIDANCE DIVISION' . . . . . . . . . . . . [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 'lgd.csu.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 23873017816116722963736867783959165392099385794073780361961044491897161931212675825625623401864740742313533960442644547197178669531503162028238128244884627442444692095972404053535764865440269614212697501985798469554240515976331416911743811042810649215604272002998187617700989748796611161567129552261333651408623256274205566251758060863253653015609326944689192879519907344692946207431041494901785110427008958153002234026726563481105257098577526527390881064069964701360694136580189591453854792183847107018430583769898606624566324317158047392107067193938982661561155106762302449186961670565066588908162008966687872260169 . . . . . . . . . . . . . . . . . . . . [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) d0a118fa7d65d303044ddb794d7858616693a7cd . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lgd.csu.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) 0060592f352e4d913e33f19f0ede93bc4506c565c77b7c5de903f260c8840e56170ce56ddb5b29434d6a6296955ff4c679135264f1fbdc1b2edb29bfd0795763e79d17c9d20f2d6d040f3f5a5d276e9ed9720c2d8cbdcbda4ef36fd71e785b0fd9bd6b6405ebddf1a208b8c232aefb1f00223f1bdc56fb9373708e366b75d285674ae65aa5ada93013b7f042dafeb60ada6c9f92b376512b7b02ba03f147b8358059442f67c77b6e9436c1ad329616d8736b443e93e62dae8eb31607e43373435dfb181ded2dd5d9e931667820d641f87377a8a6ecfda7ce0a8ec6047fc9ca2b423802fb0c6f36d75cedc6aa297014e21acf6390a78f1e9120285e6b8c2854ab6d