military.nctu.edu.tw

Issued by TWCA Secure Certification Authority

About this certificate


This digital certificate with serial number 40:01:33:53:0b:00:00:00:00:00:00:0e:85:87:c0:56 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

NCTU

Organization: NCTU
Organization unit: ITSC
State / Province: Taiwan
Locality: Hsinchu
Country: TW

TAIWAN-CA INC.

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

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 40:01:33:53:0b:00:00:00:00:00:00:0e:85:87:c0:56
Serial Number (int): 85076825009324760720638619746577137750
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: c9:fe:b1:a6:eb:0c:5c:29:83:b5:9b:be:dd:3c:41:76:99:ec:58:9c
AuthorityKeyId: 23:f5:38:50:f2:de:f4:7b:3e:ef:fd:ab:ab:51:31:03:0d:b8:f9:1d

Fingerprint (sha1): fa:19:9c:55:86:b8:e4:2f:46:bf:cb:f0:dd:4e:df:a9:f5:93:a2:a3
Fingerprint (sha256): d2:6a:3f:52:51:19:30:f8:ef:40:15:b5:93:f9:2c:6e:de:2c:d6:f5:d0:4c:6f:bd:8e:b2:e2:9a:a0:62:91:59


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 military.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

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: military.nctu.edu.tw

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE9TCCA92gAwIBAgIQQAEzUwsAAAAAAAAOhYfAVjANBgkqhkiG9w0BAQUFADB0 MQswCQYDVQQGEwJUVzEXMBUGA1UEChMOVEFJV0FOLUNBIElOQy4xHjAcBgNVBAsT FVNTTCBTZWN1cml0eSBTZXJ2aWNlczEsMCoGA1UEAxMjVFdDQSBTZWN1cmUgQ2Vy dGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTQwODExMDU1OTU1WhcNMTUwODE2MTU1 OTU5WjBtMQswCQYDVQQGEwJUVzEPMA0GA1UECBMGVGFpd2FuMRAwDgYDVQQHEwdI c2luY2h1MQ0wCwYDVQQKEwROQ1RVMQ0wCwYDVQQLEwRJVFNDMR0wGwYDVQQDExRt aWxpdGFyeS5uY3R1LmVkdS50dzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBALiQDnDuekk38Nv7Uvima6zHQW9fPYgY6ST5n8Bqsk7ad+GkS03fRNTO/CPj x473U9ZN13bfqB4BgKKGtXO472fqgVemCm/hhOPJCnmBmgyU5SGli20Vp3gn9+hY VfqjFscS+qu333pQt3Yi7LtQFvTrasfsD54H2etttYw2U5Xrl+vuESIvZwZJ8JCA F1fsg31J79rVHhriD4wZ4e6wf1jBYaTj7GjWn8KzkvK7D9LItL0VrhBQHgc9Vc1q 5wWCXYymDK3aDdC721KzeKU5ZLzQiwlmNmdl5PWqkIPUcmneXzdQP065vn0DGcX4 VxPEPWDAmscvWjCYNJyfoWfBB7kCAwEAAaOCAYgwggGEMB8GA1UdIwQYMBaAFCP1 OFDy3vR7Pu/9q6tRMQMNuPkdMB0GA1UdDgQWBBTJ/rGm6wxcKYO1m77dPEF2mexY nDBOBgNVHR8ERzBFMEOgQaA/hj1odHRwOi8vc3Nsc2VydmVyLnR3Y2EuY29tLnR3 L3NzbHNlcnZlci9jbWRzc2xfcmV2b2tlXzIwMTIuY3JsMB8GA1UdEQQYMBaCFG1p bGl0YXJ5Lm5jdHUuZWR1LnR3MDYGCCsGAQUFBwEBBCowKDAmBggrBgEFBQcwAYYa aHR0cDovL3NzbG9jc3AudHdjYS5jb20udHcwXwYDVR0gBFgwVjBUBgdggR4DAQgF MEkwIgYIKwYBBQUHAgIwFhoUUmVzdHJpY3Rpb24gPTMuMi4xLjEwIwYIKwYBBQUH AgEWF2h0dHA6Ly93d3cudHdjYS5jb20udHcvMAkGA1UdEwQCMAAwDgYDVR0PAQH/ BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjANBgkqhkiG9w0B AQUFAAOCAQEANy9nN/6v1ZwPgaIMKp4oVS2D74LvoUlajKawJUY3i2oJ8ig0W71I W8GSxZ9ngz7k0jjpL+UwQ3Wiqd1gGKV3TfkYbjXL5Clta1lovJ8B9TFfEYcZ0a+W G8DLMfXhn2LLQ5S7zVEQwqE141eppjCIXmTGgjIHdrMnaf2kD9CDKpRxsLfX8nKS YRHxVEoxkhzlipVIpJer0Of89IksH4DEqoO4CeRWTu8f6osaUQhTWV1hFqvjeICg 1vTp3Iv5esiIflwz+CA/K2ZGlab5vJ7rgA7lv1WEYpqVsfFoWpiFIoreP0rYj0jD vpDmQvqNacD9TngU7A5TOHwLPW0WsYYyHg== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuJAOcO56STfw2/tS+KZr rMdBb189iBjpJPmfwGqyTtp34aRLTd9E1M78I+PHjvdT1k3Xdt+oHgGAooa1c7jv Z+qBV6YKb+GE48kKeYGaDJTlIaWLbRWneCf36FhV+qMWxxL6q7ffelC3diLsu1AW 9Otqx+wPngfZ6221jDZTleuX6+4RIi9nBknwkIAXV+yDfUnv2tUeGuIPjBnh7rB/ WMFhpOPsaNafwrOS8rsP0si0vRWuEFAeBz1VzWrnBYJdjKYMrdoN0LvbUrN4pTlk vNCLCWY2Z2Xk9aqQg9Ryad5fN1A/Trm+fQMZxfhXE8Q9YMCaxy9aMJg0nJ+hZ8EH uQIDAQAB -----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 85076825009324760720638619746577137750 . . . . . . . . [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 2014-08-11 05:59:55 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-08-16 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 'NCTU' . . . . . . . . . . . . [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 'ITSC' . . . . . . . . . . . . [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 'military.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 23298884977450508739145788212666928103923816231976647182078779213591374954921147154324120101807434774911835096601161676517272405740159546015027296348581018180260039250664229930940326634153337979365733549895556418302567802353105948807444300514638231909649366816299452588474910478879017283953846422796474155266943077654389482578399424453656610073430155712011918510134663115183656136247970720106571589380721742541721541168222809455696268181581386059993937487482311749747168859139662689413581135509821925796229791749299831208089156232720606748070045059249107301665934146247431383705150777977022478947431206982021300684729 . . . . . . . . . . . . . . . . . . . . [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) c9feb1a6eb0c5c2983b59bbedd3c417699ec589c . . . . . . . . . . . . . . . . [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 'military.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 (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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