clgews.clg.niigata-u.ac.jp

Issued by

About this certificate


This digital certificate with serial number 07:6b:e5:1d:7f:b2:c5:a6 was issued on by National Institute of Informatics .

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
  • WARNING: Certificate contains unknown extension ([2.16.840.1.113730.1.1])
  • ERROR: stateOrProvinceName is required if organizationName is set

Niigata University

Organization: Niigata University
Organization unit: Center for Academic Information Service
Locality: Academe2
Country: JP

National Institute of Informatics

Organization: National Institute of Informatics
Organization unit: UPKI
Organization unit: NII Open Domain CA - G2
Locality: Academe2
Country: JP

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 07:6b:e5:1d:7f:b2:c5:a6
Serial Number (int): 534772895632770470
Serial Number lenght: 59 bits, 8 octets

SubjectKeyId: 3c:87:fd:39:5e:ae:7b:b9:0f:15:e8:59:16:7c:b0:3b:46:3a:23:ea
AuthorityKeyId: 7b:0a:07:f7:18:ca:8c:0e:d6:da:bc:50:80:6c:2c:47:02:d1:0d:fb

Fingerprint (sha1): d6:63:d9:4b:7f:d4:bf:22:e5:69:5e:07:47:dc:87:62:86:6a:30:61
Fingerprint (sha256): f8:e3:35:22:e3:91:59:ed:33:e4:20:c6:d0:2c:06:26:ab:46:64:35:ad:f9:a6:ed:70:18:1e:e0:ec:6e:80:77


Revocation information

CRL Distribution Point: http://repo1.secomtrust.net/sppca/nii/odca2/fullcrl.crl

Check the revocation status for the current certificate on clgews.clg.niigata-u.ac.jp
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

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: clgews.clg.niigata-u.ac.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE6zCCA9OgAwIBAgIIB2vlHX+yxaYwDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UE BhMCSlAxETAPBgNVBAcTCEFjYWRlbWUyMSowKAYDVQQKEyFOYXRpb25hbCBJbnN0 aXR1dGUgb2YgSW5mb3JtYXRpY3MxDTALBgNVBAsTBFVQS0kxIDAeBgNVBAsTF05J SSBPcGVuIERvbWFpbiBDQSAtIEcyMB4XDTEyMDEyNDA0NTMyNVoXDTE0MDIyMjA1 MDMyNVowgZQxCzAJBgNVBAYTAkpQMREwDwYDVQQHEwhBY2FkZW1lMjEbMBkGA1UE ChMSTmlpZ2F0YSBVbml2ZXJzaXR5MTAwLgYDVQQLEydDZW50ZXIgZm9yIEFjYWRl bWljIEluZm9ybWF0aW9uIFNlcnZpY2UxIzAhBgNVBAMTGmNsZ2V3cy5jbGcubmlp Z2F0YS11LmFjLmpwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3an8 z6ezz2vWM7LWrXPDQEygmIeAxnXYZO0dEggZXj/Xjwt7DYTXeBRJaTFIMR7p2mFj pF/PWc1cMQ28S24BJ5pxqE5wxVVwdZETmSQMlKQ4WNfYQruNE9CzymlRnHq0kS3i QR8793cLMQX5i4wnsB7ybkBpGqOVtKRYQUlb0G0S7/G4qA6My9kGKAI8PoPvmxWW t+ZWsNoBwwN2ZR17oNKReIQmcnB1AZmR3fs2hnTboe37gP0s9bnF+d0+2rLW+1Es 2z7IBDN4hksw8MqgLW7jyy0+7cctzO8ZOfoN4tFq2hsChLo0MQEn4F4gM90ELrw4 eDjsH7vGbQCPDFTyXQIDAQABo4IBVTCCAVEwDgYDVR0PAQH/BAQDAgWgMBMGA1Ud JQQMMAoGCCsGAQUFBwMBMB0GA1UdDgQWBBQ8h/05Xq57uQ8V6FkWfLA7Rjoj6jAf BgNVHSMEGDAWgBR7Cgf3GMqMDtbavFCAbCxHAtEN+zAlBgNVHREEHjAcghpjbGdl d3MuY2xnLm5paWdhdGEtdS5hYy5qcDBmBgNVHSAEXzBdME0GCiqDCIycHgECAgEw PzA9BggrBgEFBQcCARYxaHR0cHM6Ly9yZXBvMS5zZWNvbXRydXN0Lm5ldC9zcGNw cC9jcHMvaW5kZXguaHRtbDAMBgoqgwiMmxtkhwUBMEgGA1UdHwRBMD8wPaA7oDmG N2h0dHA6Ly9yZXBvMS5zZWNvbXRydXN0Lm5ldC9zcHBjYS9uaWkvb2RjYTIvZnVs bGNybC5jcmwwEQYJYIZIAYb4QgEBBAQDAgZAMA0GCSqGSIb3DQEBBQUAA4IBAQAI WVimc6ZguiSTg4SLtmmNfs25cYiEH2kUBvaBoFfg/RtqLiyVpBHcBfqk6I4uY2+N EunfSXVWnxrlpeUAiURYOMcYhDyK39e0Ye7q4nE2hnlAqRNitAI8TGytqA62VnJV ilKQ2m7Rkg+Fzex0aEaNurrG8X1HJXq39IoVSav6/aaZsjOIuN+QfcMH4ZglS3Gm IDy7MI1sY8SUJXbwrEFNwUfA9Ktx532MzEALDyACTL43LmICQaX+wEGGY8qqe2ux btkve2QBzfFXcqAJLGSh30O1oVKr+wszWIjlJsp0FeF7AFR7o0yuG8kDEXfh9vzJ m6XhI/XRGy6qjRfpIImp -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3an8z6ezz2vWM7LWrXPD QEygmIeAxnXYZO0dEggZXj/Xjwt7DYTXeBRJaTFIMR7p2mFjpF/PWc1cMQ28S24B J5pxqE5wxVVwdZETmSQMlKQ4WNfYQruNE9CzymlRnHq0kS3iQR8793cLMQX5i4wn sB7ybkBpGqOVtKRYQUlb0G0S7/G4qA6My9kGKAI8PoPvmxWWt+ZWsNoBwwN2ZR17 oNKReIQmcnB1AZmR3fs2hnTboe37gP0s9bnF+d0+2rLW+1Es2z7IBDN4hksw8Mqg LW7jyy0+7cctzO8ZOfoN4tFq2hsChLo0MQEn4F4gM90ELrw4eDjsH7vGbQCPDFTy XQIDAQAB -----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 534772895632770470 . . . . . . . . [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 'JP' . . . . . . . . . . . . [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 'Academe2' . . . . . . . . . . . . [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 Institute of Informatics' . . . . . . . . . . . . [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 'UPKI' . . . . . . . . . . . . [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 'NII Open Domain CA - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-01-24 04:53:25 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-02-22 05:03:25 +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 'JP' . . . . . . . . . . . . [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 'Academe2' . . . . . . . . . . . . [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 'Niigata 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 'Center for Academic Information Service' . . . . . . . . . . . . [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 'clgews.clg.niigata-u.ac.jp' . . . . . . . . [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 27982489379393533582280208021784063119486347329161602208029903376142534811219800655381004634271024173218057262581121910239874055980996020685591717771267768058150016825066324943794051554701639171586452404067119490939581792100852587244520548801766570820751494887257855729204587825863193507665177330493453925396134763148859993574602732458107122260830343216801748452518329208676796100465846236276243863326251908396666858522143658323438972262830275287572791281311189459746444444625961275429770884945600436732680977466695952211154155404385657096315506318073406783295080538535373050343670205719226824762397762697187263050333 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 (12 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: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) 3c87fd395eae7bb90f15e859167cb03b463a23ea . . . . . . . . . . . . . . . . [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 7b0a07f718ca8c0ed6dabc50806c2c4702d10dfb . . . . . . . . . . . . . . . . [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 'clgews.clg.niigata-u.ac.jp' . . . . . . . . . . . . . . . . [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 (95 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.392.200222.1.2.2.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://repo1.secomtrust.net/spcpp/cps/index.html' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.392.200091.100.901.1 . . . . . . . . . . . . . . . . [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 (65 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://repo1.secomtrust.net/sppca/nii/odca2/fullcrl.crl' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113730.1.1 (netscape-cert-type) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2 bits) 0640 . . . . [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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