manage.ocw.titech.ac.jp

Issued by NII Open Domain CA - G4

About this certificate


This digital certificate with serial number 6f:45:ef:81:e2:1d:d9:bf was issued on by National Institute of Informatics .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

Cerificate errors/warnings *beta

  • ERROR: Certificate contains no Authority Info Access Issuers
  • ERROR: stateOrProvinceName is required if organizationName is set

Tokyo Institute of Technology

Organization: Tokyo Institute of Technology
Organization unit: Information Infrastructure Division
Locality: Academe
Country: JP

National Institute of Informatics

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

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Certificate Details

Serial Number (hex): 6f:45:ef:81:e2:1d:d9:bf
Serial Number (int): 8018078052726462911
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: 6c:9f:2d:b1:95:60:6b:92:db:80:3b:01:53:0a:3a:37:3c:6e:e4:2c
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c

Fingerprint (sha1): 8e:96:12:83:b3:28:33:86:90:70:3e:b5:ff:08:58:6b:db:fb:66:c0
Fingerprint (sha256): 0e:8d:25:8a:94:31:b3:72:d6:81:3f:64:ea:9c:d1:eb:af:3f:64:38:be:1d:7e:72:cc:00:a9:9e:cf:ca:cd:1c


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 the current certificate on manage.ocw.titech.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

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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: manage.ocw.titech.ac.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFBjCCA+6gAwIBAgIIb0XvgeId2b8wDQYJKoZIhvcNAQELBQAwbTELMAkGA1UE BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxKjAoBgNVBAoTIU5hdGlvbmFsIEluc3Rp dHV0ZSBvZiBJbmZvcm1hdGljczEgMB4GA1UEAxMXTklJIE9wZW4gRG9tYWluIENB IC0gRzQwHhcNMTUwMzEwMDUxMjA0WhcNMTcwNDA5MDUxMjA0WjCBlzELMAkGA1UE BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxJjAkBgNVBAoTHVRva3lvIEluc3RpdHV0 ZSBvZiBUZWNobm9sb2d5MSwwKgYDVQQLEyNJbmZvcm1hdGlvbiBJbmZyYXN0cnVj dHVyZSBEaXZpc2lvbjEgMB4GA1UEAxMXbWFuYWdlLm9jdy50aXRlY2guYWMuanAw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC/x+HBm5+QGgt6WGp9mPPS jJl9p243rn4wm8hXF06PzqvdHzgCqjrEk0aIZhDHsI3AnYEPgjMDlZ8tDL4dtzKU 0lPWf+1NCi/zIitxZeXdMmGLgLGzOcsw7WIXw/G6ndq3uj2jIknNql4kWc7tKhmm bppsJqhv44n9aeGWA9kXo9Q+Vt13iEhKbMtJvMYfJ4/QUZ1YiRX3xHf13BZxr7OE KUKwcwaHeEmxf6iAXZm9I8gqz265fJNEgVbjWTzUMFydl3M05qWh3FfC6YOKvAQU PMAjDH2gFePm1fwtiN7pSpVi+bZaQAhq7tkqu0K8SG4wWwKSye2vharQLHyaxGsV AgMBAAGjggF9MIIBeTAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwHwYD VR0jBBgwFoAUGQtvOR8xAzRf5NJAHzfmjediOXwwSgYDVR0fBEMwQTA/oD2gO4Y5 aHR0cDovL3JlcG8xLnNlY29tdHJ1c3QubmV0L3NwcGNhL25paS9vZGNhMy9mdWxs Y3JsZzQuY3JsMA4GA1UdDwEB/wQEAwIFoDAdBgNVHQ4EFgQUbJ8tsZVga5LbgDsB Uwo6Nzxu5CwwWgYDVR0gBFMwUTBPBgwrBgEEAYH8CAMCAQEwPzA9BggrBgEFBQcC ARYxaHR0cHM6Ly9yZXBvMS5zZWNvbXRydXN0Lm5ldC9zcGNwcC9jcHMvaW5kZXgu aHRtbDA8BggrBgEFBQcBAQQwMC4wLAYIKwYBBQUHMAGGIGh0dHA6Ly9uaWlnNC5v Y3NwLnNlY29tdHJ1c3QubmV0MCIGA1UdEQQbMBmCF21hbmFnZS5vY3cudGl0ZWNo LmFjLmpwMA0GCSqGSIb3DQEBCwUAA4IBAQB5CeqCaM/ZFG9TLh8Hje9xR1TQ2usv h9pKMFfppsqSTRYd55BCid+aHo4kJVIgzOk8/FtAV1FxFXSPT0lK8wozDt3KK+x3 fE7RjTnLS2kh1JEmpaL5J41DbEh2MU72GKId7KzVBtzM8jT2p2ySeGBYQM17+RgQ hIqQnyWxbBENNTiVvzNANYCPAqSnoqq7IZpNKgOdrinIX+TeRPVqogEUcgNkG6DO fsi/I3XffeKnJJCaHFVhYBymq5XEX5nDODBBZ/qLjFsIPN7gfBRrZfEugNEd+PJA rIjyMxfrJXlaLfDA1MGpEdutpg4vtTpC8WrXpH5AjatNx5wrwNC5at9V -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv8fhwZufkBoLelhqfZjz 0oyZfaduN65+MJvIVxdOj86r3R84Aqo6xJNGiGYQx7CNwJ2BD4IzA5WfLQy+Hbcy lNJT1n/tTQov8yIrcWXl3TJhi4CxsznLMO1iF8Pxup3at7o9oyJJzapeJFnO7SoZ pm6abCaob+OJ/WnhlgPZF6PUPlbdd4hISmzLSbzGHyeP0FGdWIkV98R39dwWca+z hClCsHMGh3hJsX+ogF2ZvSPIKs9uuXyTRIFW41k81DBcnZdzNOalodxXwumDirwE FDzAIwx9oBXj5tX8LYje6UqVYvm2WkAIau7ZKrtCvEhuMFsCksntr4Wq0Cx8msRr FQIDAQAB -----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 8018078052726462911 . . . . . . . . [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 2015-03-10 05:12:04 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-04-09 05:12:04 +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 'Tokyo 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 'Information Infrastructure Division' . . . . . . . . . . . . [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 'manage.ocw.titech.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 24210081667499492671146313021017225345064784339702642015169190763544868999058400450255912874232166467787368140135119689578886734490498692208684600150108840401784444335895943584496981888863099652719899529519592820569845918171022286857745485814501833409890831973703875803608451444780435882344079677432888548720439911518010850137350042415596844191444341234791073409044505782800510021062495332625143570375287655402682074696325543502736039982993416156686193767563176588998121528289925978549270631613229609746840816357199800476378221154473425896667503829505678035409682710985223693313967047394345903153841833838237706382101 . . . . . . . . . . . . . . . . . . . . [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) 6c9f2db195606b92db803b01530a3a373c6ee42c . . . . . . . . . . . . . . . . [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 (27 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'manage.ocw.titech.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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