classview.okinawa-u.ac.jp

- Okinawa University -

Issued by NII Open Domain CA - G4

About this certificate

This digital certificate with serial number 51:37:9c:7e:31:53:9a:ef was issued on by National Institute of Informatics.

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We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
  • Subscriber certificates authorityInformationAccess extension should contain the HTTP URL of the issuing CA’s certificate (BRs: 7.1.2.3)

Okinawa University

Organization: Okinawa University
Organization unit: Multimedia Education and Research Center
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): 51:37:9c:7e:31:53:9a:ef
Serial Number (int): 5852318306598623983
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: bb:5e:40:6c:0f:9d:95:05:76:f2:d9:32:85:e5:06:8c:80:9d:33:08
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c

Fingerprint (sha1): c5:c8:6f:dc:eb:ad:9a:be:7f:a5:fc:3b:cc:42:eb:84:99:cd:64:82
Fingerprint (sha256): ca:cf:d0:4f:31:80:e2:03:35:bd:5c:62:c8:0b:57:65:60:12:ba:6b:19:19:90:75:35:09:61:e5:0f:eb:79:39


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 classview.okinawa-u.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for classview.okinawa-u.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

classview.okinawa-u.ac.jp

Other certificates including the domain name okinawa-u.ac.jp

(limited to 100 certificates)

Certificate

The complete raw certificate details for classview.okinawa-u.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu3AlcP3WL6Srwv+SWadk
qLtRpq5gM3wmPPWCpRgsmQ0yyPLvLRpHgShSOA4pz9YqQWbYF6Np+PQc1zVf++Q/
fEJEt05KVg3heDUOkzYBvXlE1UrpKJmKO5l+t8+GbBZbXZ9IOm1iMzfKifPalA2H
CoMMCMpb8IC6X1UIsXmt5JnIa4VBrqXs1p0fzFkSVf2UuutbFAkto+9c+Qaw4eql
4JcDjzdGeDYiOoRpxagMR9pUCnP6qlw6gaITWBpf5AA+DKpDyNX0/q8vmjFqEdcq
lsr0oTUBsEFIcInmOBAIOtOFReABIHvziYF3rIEVuPLewmlZegi749eza66/NucK
tQIDAQAB
-----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 5852318306598623983
 . . . . . . . . [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 2018-03-09 05:57:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-08 05:57:13 +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 'Okinawa 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 'Multimedia Education and Research Center'
 . . . . . . . . . . . . [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 'classview.okinawa-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 23661864408283703743931107879713846853236975889905063497805438030187218383041272011165906466945976514827484214219961345943662132409711575795213436831075646334533398438209965501123374698202752558066073314174023186136485570247358028909822346920731552719707770210025542093683689592817683759669959129727553077496931071060402745052000384604703541634384584887958148566277727348457904099468917866337789331393867713369711989356714334605045133510940140009531181331403269453166440264093798485406526428421309797346018108181417611104980559348091532339065769431753268706729768768029473121579674971106118271462009583772683685268149
 . . . . . . . . . . . . . . . . . . . . [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)
							bb5e406c0f9d950576f2d93285e5068c809d3308
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'classview.okinawa-u.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)
		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