cgi.yc.tcu.ac.jp

- TOKYO CITY UNIVERSITY -

Issued by NII Open Domain CA - G5

About this certificate

This digital certificate with serial number 77:9c:29:2a:d6:2c:90:4a:36:ff:f9:4b:70:7a:5e:39 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 Center
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): 77:9c:29:2a:d6:2c:90:4a:36:ff:f9:4b:70:7a:5e:39
Serial Number (int): 158988964780996663530820001740590046777
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 1d:d1:55:0a:89:0f:a1:79:bc:78:ee:85:bc:25:4f:94:b2:f0:52:d2
AuthorityKeyId: 67:3a:3a:c1:6b:b7:1c:a6:41:46:39:30:84:c8:69:00:59:11:58:c1

Fingerprint (sha1): 83:cd:6e:6d:75:a7:c3:b3:39:34:0f:6f:50:2e:07:c5:89:de:d9:e7
Fingerprint (sha256): 48:d3:7d:22:bb:9d:86:7e:ad:3b:29:b0:b1:58:4f:7c:d4:67:af:a9:c1:10:0c:ad:00:2e:2b:71:06:eb:6c:7d


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 cgi.yc.tcu.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cgi.yc.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

cgi.yc.tcu.ac.jp

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Certificate

The complete raw certificate details for cgi.yc.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtMw00tfuEwBzUHK8d+ga
5d5rfBMegfe1HIRJ8Mu+2REcHO/Ccj02THpqj/Yqb4J9IOQgObWfi1Af5CVx6a2Z
ULm6uJSE4Jgop5MfrpfL+WCJcMOE7QzCxRzdE6FRK/VnAj8elEG5+PB6LexNszjF
8IkofSWTXA5pptelzRWIw01lLmK6QoApKkFFI8+qgk09SRGnZc/G0yKfnFtiPcuM
dF3ulVXgtZIEFvBmZDUJH6y3gb+Frl/KHMIgcDIVyj/ZER2iNFut/NUstTYb1bQS
8cnXZYWyHE5H/NFO6GgeaUTs/yzTN1M/pCChDDvfeOkB0yF21jPjJoGcV8wK7+11
5wIDAQAB
-----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 158988964780996663530820001740590046777
 . . . . . . . . [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 2019-08-07 00:17:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-09-07 00:17:14 +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 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 'cgi.yc.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 22823592794299471908714834717537145328118536200897901455917072916617157492056420106603536795420762166119349942418802222999747981472337279932001856928294320456651592444953730308438882060283687556624211858960855157366138230628166970258125698534675398116291957698265763069047433851795534608786822920899024314760513124162835710889630241745254678467847653267805637575683823570456591114447450961504206260119115401328892742338404143670995056547326418247079203380906378613719901176932727715607421374427686453668877619240481388343854339475970564607327111654255595247569328780796048292556310785052983998246848579068712429909479
 . . . . . . . . . . . . . . . . . . . . [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 'cgi.yc.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)
							1dd1550a890fa179bc78ee85bc254f94b2f052d2
 . . . . . . . . . . . . . . . . [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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