www.tc.tcu.ac.jp

- TOKYO CITY UNIVERSITY -

Issued by NII Open Domain CA - G5

About this certificate

This digital certificate with serial number 1d:d2:d5:87:8f:9e:22:e5 was issued on by National Institute of Informatics.

This 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. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


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)

TOKYO CITY UNIVERSITY

Organization: TOKYO CITY UNIVERSITY
Organization unit: Information Technology
Locality: tokyo
Country: JP

National Institute of Informatics

Organization: National Institute of Informatics
Country: JP

This certificate has expire since

Certificate Details

Serial Number (hex): 1d:d2:d5:87:8f:9e:22:e5
Serial Number (int): 2149014750415954661
Serial Number lenght: 61 bits, 8 octets

SubjectKeyId: 15:d2:df:c5:c8:19:3c:55:ac:35:f0:5b:ac:e4:2c:53:96:fc:cb:0b
AuthorityKeyId: 67:3a:3a:c1:6b:b7:1c:a6:41:46:39:30:84:c8:69:00:59:11:58:c1

Fingerprint (sha1): 42:2d:c5:a4:d8:69:9d:81:60:97:ec:b6:ce:ae:7a:f9:e2:be:54:77
Fingerprint (sha256): 08:91:e5:e2:00:59:92:18:66:8b:e1:5d:d9:29:c9:70:a2:10:10:8a:00:f7:a8:6e:f8:a0:70:c2:d0:17:f7:66


Revocation information

OCSP Server: http://niig5.ocsp.secomtrust.net
CRL Distribution Point: http://repo1.secomtrust.net/sppca/nii/odca3/fullcrlg5.crl

Check the revocation status for certificate www.tc.tcu.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.tc.tcu.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.tc.tcu.ac.jp

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuAttbgIXbeutPchJ6SL/
5s/zGMpp04iDkzLyhGGNZjSTCn0bX9mdRJ1OthepmPiQy6/GKl4GslSCsHyV7sZo
kA7VwHZH1uldxpWlDBAd+wX1Th1SWPYAHE0sZFkCnJ0h6GSHhPbUxzzlqOtU/Mut
rYZGEzIbQKBXrvkqrNXumN/0OLpMsPKujAiQPmqDM1PcXm0+VfI6S3Vr5ricVMSS
UZaDbqMWwYoXDZH300g/NSvxZs/OU3hg3/XPJ6FnBLkSSoU92fJBpTyKZtF8b5eH
wqt7LLPqZym6JJSigII+5GWJbBAjJWSo/oJ8wavBG51ZoaBEeXU3obWaAnvj56xr
1wIDAQAB
-----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 2149014750415954661
 . . . . . . . . [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 2.5.4.10 (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 - G5'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-10 10:52:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-09-10 10:52:43 +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 'tokyo'
 . . . . . . . . . . . . [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 'TOKYO CITY 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 'Information Technology'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.tc.tcu.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 23233483204225309044763443332180236970175323420532793490318557441682024273488401164944029099237342517911942223107859430018817349206507996998819137525816621516056888233042024607667540098439750011557158656436994857741597919217633650262419791289145800620395132378893080231267201307328840587047557415863073079199539255524243488508001585172473807810704034061611515552592073377375873712583888581926683749598508477012638928678882577170127394690057350735084008897276210121201125231809772818606028156968107215315699788994146621541631233678661449463993766804605764889018573055327366672119191253515526057413349101956760888699863
 . . . . . . . . . . . . . . . . . . . . [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 673a3ac16bb71ca64146393084c86900591158c1
 . . . . . . . . . . . . . . . . [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://niig5.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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tc.tcu.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 (89 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/sppca/nii/odca3/'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (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/fullcrlg5.crl'
 . . . . . . . . . . . . . . . . [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)
							15d2dfc5c8193c55ac35f05bace42c5396fccb0b
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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