www.ai.kyutech.ac.jp

- Kyushu Institute of Technology -

Issued by NII Open Domain CA - G4

About this certificate

This digital certificate with serial number 3c:c7:c0:04:85:32:a4:14 was issued on by National Institute of Informatics.

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Kyushu Institute of Technology

Organization: Kyushu Institute of Technology
Organization unit: Department of Artificial Intelligence
Locality: Academe
Country: JP

National Institute of Informatics

Organization: National Institute of Informatics
Locality: Academe
Country: JP

This certificate has expire since

Certificate Details

Serial Number (hex): 3c:c7:c0:04:85:32:a4:14
Serial Number (int): 4379680288288187412
Serial Number lenght: 62 bits, 8 octets

SubjectKeyId: c3:da:35:86:96:5e:2b:43:bb:af:35:73:82:f4:99:d1:91:1a:39:e3
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c

Fingerprint (sha1): ec:86:e8:fa:6b:46:22:8e:3c:58:ab:44:20:a0:ba:83:ee:d9:7a:e4
Fingerprint (sha256): 12:2f:51:da:1f:12:95:05:57:7b:f9:dc:f5:8d:67:22:3f:0b:c7:18:25:7d:eb:30:58:45:f9:46:a7:8a:cb:3c


Revocation information

OCSP Server: http://niig4.ocsp.secomtrust.net
CRL Distribution Point: http://repo1.secomtrust.net/sppca/nii/odca3/fullcrlg4.crl

Check the revocation status for certificate www.ai.kyutech.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ai.kyutech.ac.jp

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.ai.kyutech.ac.jp

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Certificate

The complete raw certificate details for www.ai.kyutech.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvLFJu0kuNkDQcMpQIein
0gO0UhlzIWDelu3oGzb5VZqDsvPxCkgUgSaLFqZ89odgjxjwKTDidrdw45+pEWr4
UABghryBThmlo1h6zV/j8x/lHflvVmAXBX9GoME+T+YQthyj4/UtsoetizPBQJ1T
3PkKiaG3ius+EJuEWNjpJ67pARVw8ezRopg79KagS53UJmZZqrN8tumF8Lwga1rh
77c7Y99z7RaDYIxu6fZtuh6RK8uCZUDmtsgk9HbcPzNNsyhi1/s8ev6xceHhyDAp
Q0aigYHFLM0ukQZOIMvr6toQtQHvDBDUR2iNQwlkA8HqIfpBD2/iJCyMM1vSIWB6
0wIDAQAB
-----END PUBLIC KEY-----

ASN.1 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 4379680288288187412
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [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 'Academe'
 . . . . . . . . . . . . [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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'NII Open Domain CA - G4'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-04-13 02:26:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-14 02:26:22 +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 'Academe'
 . . . . . . . . . . . . [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 'Kyushu Institute of Technology'
 . . . . . . . . . . . . [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 'Department of Artificial Intelligence'
 . . . . . . . . . . . . [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 'www.ai.kyutech.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 23820225311661393201287725348621967626086893401565222840071861043259538595786070159202897993173601374839599394030322030965334981979870655124091617767097720598628261472508092782174709574454229379493501397951403315254557901965363179596150215121866377552489845912533281043039051323523876844884027239827241619437449537008504915577412551283713673239090660462572332689082797715490332523602702417429681684119246153181504081558804796879630162332738723473746632725079854968890968291383320848272833060668089671331644765506640204579882019514187471182231024394362485794715278776276939645904567936921736050032019626982745451821779
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 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 190b6f391f3103345fe4d2401f37e68de762397c
 . . . . . . . . . . . . . . . . [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 (67 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/odca3/fullcrlg4.crl'
 . . . . . . . . . . . . . . . . [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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							c3da3586965e2b43bbaf357382f499d1911a39e3
 . . . . . . . . . . . . . . . . [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 (83 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.32264.3.2.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (48 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://niig4.ocsp.secomtrust.net'
 . . . . . . . . . . . . . . . . [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 'www.ai.kyutech.ac.jp'
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		0044dd2e2f365ccf74f8a5fe50b4a76743a83fd7e3ea02dfd3f7a18dd7d7b200c94154b0438f5f5050a484d47cbe81f150975ff35d71f5d80c6aef3efbaa0a79df212ea4fdd7c3622318e0341f30ebf5d66fe4ceb12ee23158fced91243dbc03d85b069fe1280344886b76d2e253f287f6ef327c33bc2afb499a2e9983ee7071cbd9ea8d6860c146dd73d819844a437e81aaebd9b4c483fdcb606a1c33f1f60bea0aa0a482d98b3fd17e03f46e9a3cc48187425a654f7be1f617f3892fc9a072814c0e24170f128704b3dee9580001c733336faa16d7cebe07576b543342895a11856c3dc77bcafc86690357f70121a7b428ec3affe53be84be3a0c16e2124e82f