events.asiaa.sinica.edu.tw

Issued by TWCA Secure Certification Authority

About this certificate


This digital certificate with serial number 40:01:33:53:68:00:00:00:00:00:00:0f:22:27:11:0d 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

  • WARNING: Using depricated TeletexString for '[Institute of Astronomy & Astrophysics,Academia Sinica]'
  • ERROR: Certificate contains no Authority Info Access Issuers

Institute of Astronomy & Astrophysics,Academia Sinica

Organization: Institute of Astronomy & Astrophysics,Academia Sinica
Organization unit: IT
State / Province: TAIWAN
Locality: TAIPEI
Country: TW

TAIWAN-CA INC.

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

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 40:01:33:53:68:00:00:00:00:00:00:0f:22:27:11:0d
Serial Number (int): 85076825038106866634023711140609462541
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: a7:f6:3d:ce:58:2b:0e:e0:28:00:89:22:ca:a5:a4:95:df:0b:0e:64
AuthorityKeyId: 23:f5:38:50:f2:de:f4:7b:3e:ef:fd:ab:ab:51:31:03:0d:b8:f9:1d

Fingerprint (sha1): da:44:0b:a6:fd:4f:86:92:63:72:bc:64:56:4c:15:7b:a1:9c:e8:e8
Fingerprint (sha256): 96:4d:ca:33:1c:93:a1:2b:5b:37:08:44:b4:63:fa:e9:e7:64:c5:a3:6f:2c:3b:21:4b:a6:e9:91:c9:b6:a2:bc


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 events.asiaa.sinica.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: events.asiaa.sinica.edu.tw

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFMDCCBBigAwIBAgIQQAEzU2gAAAAAAAAPIicRDTANBgkqhkiG9w0BAQUFADB0 MQswCQYDVQQGEwJUVzEXMBUGA1UEChMOVEFJV0FOLUNBIElOQy4xHjAcBgNVBAsT FVNTTCBTZWN1cml0eSBTZXJ2aWNlczEsMCoGA1UEAxMjVFdDQSBTZWN1cmUgQ2Vy dGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTQwOTA0MDk0MzIzWhcNMTYwOTA1MTU1 OTU5WjCBoTELMAkGA1UEBhMCVFcxDzANBgNVBAgTBlRBSVdBTjEPMA0GA1UEBxMG VEFJUEVJMT4wPAYDVQQKFDVJbnN0aXR1dGUgb2YgQXN0cm9ub215ICYgQXN0cm9w aHlzaWNzLEFjYWRlbWlhIFNpbmljYTELMAkGA1UECxMCSVQxIzAhBgNVBAMTGmV2 ZW50cy5hc2lhYS5zaW5pY2EuZWR1LnR3MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A MIIBCgKCAQEAxEiz3cDjBJ/wB7rSNc8EUe5TP6QQWXJ7c/Kya5t+o1514MTQooyf bQp44rBt+sX6QPnJlXymgkZ16SDLZEs+kcL4F9sZUfWudLRncRidopmkQNIMKhpR Ff85TY70hI4XEFW9Nyw/OB2GJ5hDWfUx+EgWU2LAyA45/L+hhShmpGgpyiE1bxad aCyVbH7sad4S/qoPEX7fEz8Xznfojr5q6w+ldONt0xqQTeIFlUu2OAfEfDkH0BI1 s/13sp7G+e0Q6SvA7BqYp4biuOkQLJM2bqF+1Uap4f6C0TqnO0eUz1zXdz/43SiA SAu8eIHPMUl7V6+JOqWjtpj37TvKcKcYtQIDAQABo4IBjjCCAYowHwYDVR0jBBgw FoAUI/U4UPLe9Hs+7/2rq1ExAw24+R0wHQYDVR0OBBYEFKf2Pc5YKw7gKACJIsql pJXfCw5kME4GA1UdHwRHMEUwQ6BBoD+GPWh0dHA6Ly9zc2xzZXJ2ZXIudHdjYS5j b20udHcvc3Nsc2VydmVyL2NtZHNzbF9yZXZva2VfMjAxMi5jcmwwJQYDVR0RBB4w HIIaZXZlbnRzLmFzaWFhLnNpbmljYS5lZHUudHcwNgYIKwYBBQUHAQEEKjAoMCYG CCsGAQUFBzABhhpodHRwOi8vc3Nsb2NzcC50d2NhLmNvbS50dzBfBgNVHSAEWDBW MFQGB2CBHgMBCAUwSTAiBggrBgEFBQcCAjAWGhRSZXN0cmljdGlvbiA9My4yLjEu MTAjBggrBgEFBQcCARYXaHR0cDovL3d3dy50d2NhLmNvbS50dy8wCQYDVR0TBAIw ADAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MA0GCSqGSIb3DQEBBQUAA4IBAQAecc1zOC2A6Zqx82C8nDNormWR2k0CueeLpaxw Ohzh9rl0NZtB1Hr2CvCmq9zePdvHcr6k0nNjghlF3AV54yuQwDJe8jy/Xe/5dz+2 esS7XnHKMBurEd0RNFNmrddYtb8ZIrBQ4HXtjW48w2Ap31lOFDgxKbgD40tGd5W+ 5P7ZyHI7Ub0QX2FiVkMFTlGJoWFJvDzAh6RjWKaaBj2tjPIKPJw5PxPcNEsCVt5A CjJYqQg0/vgEQR64VGZJ1umiXFX2ITD6x3wE12Ccg5tYZG8IKkRrwWcTFILyTVtZ xh0E+hXGgrOXNhranPx4Nji0cxkpv1x+1O2yjSZ6AkpEGsa7 -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxEiz3cDjBJ/wB7rSNc8E Ue5TP6QQWXJ7c/Kya5t+o1514MTQooyfbQp44rBt+sX6QPnJlXymgkZ16SDLZEs+ kcL4F9sZUfWudLRncRidopmkQNIMKhpRFf85TY70hI4XEFW9Nyw/OB2GJ5hDWfUx +EgWU2LAyA45/L+hhShmpGgpyiE1bxadaCyVbH7sad4S/qoPEX7fEz8Xznfojr5q 6w+ldONt0xqQTeIFlUu2OAfEfDkH0BI1s/13sp7G+e0Q6SvA7BqYp4biuOkQLJM2 bqF+1Uap4f6C0TqnO0eUz1zXdz/43SiASAu8eIHPMUl7V6+JOqWjtpj37TvKcKcY tQIDAQAB -----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 85076825038106866634023711140609462541 . . . . . . . . [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 2014-09-04 09:43:23 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-09-05 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:20|false] TeletexString, T61String 'Institute of Astronomy & Astrophysics,Academia Sinica' . . . . . . . . . . . . [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 'IT' . . . . . . . . . . . . [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 'events.asiaa.sinica.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 24778558762794999461493481362950812279633633835251186057140783783912023462044639533860418144296677932872866686440376606676954273902805091791460904945753551831008312738645020747323274733036362504110123782158041206858757724227090910484047518809065350289232190515129612900537095298185331736167509241017436484150240742477391812214174632983329222431471031828722817205202157619021879349147449961227902802056109883620334066754624386883149167714210259884707387795615568832809451570775091164755975419989691619901013880734967346582520869515316035266845808265201713880488579177639622918675775356020500159665891881313349470197941 . . . . . . . . . . . . . . . . . . . . [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) a7f63dce582b0ee028008922caa5a495df0b0e64 . . . . . . . . . . . . . . . . [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 (30 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'events.asiaa.sinica.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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