www.cefix.insc.tohoku.ac.jp

Issued by NII Open Domain CA - G4

About this certificate


This digital certificate with serial number 3e:57:54:8e:e7:14:ab:a4 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

Tohoku University

Organization: Tohoku University
Organization unit: Global Learning Center
Locality: Academe
Country: JP

National Institute of Informatics

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

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This certificate will expire on

Certificate Details

Serial Number (hex): 3e:57:54:8e:e7:14:ab:a4
Serial Number (int): 4492152126064339876
Serial Number lenght: 62 bits, 8 octets

SubjectKeyId: 6e:4b:dc:ff:3e:fe:bb:99:c4:57:c2:e1:5b:5a:c4:96:71:78:ea:90
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c

Fingerprint (sha1): 48:ac:cf:a9:03:ed:69:50:9b:f5:76:9b:4f:fb:29:31:8d:68:27:fa
Fingerprint (sha256): 66:2e:8d:28:cd:79:7c:b4:01:24:f8:0d:1e:f4:66:60:4f:11:cf:d8:37:1b:8c:2c:0c:f8:9c:bb:99:9f:e9:1d


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 www.cefix.insc.tohoku.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: www.cefix.insc.tohoku.ac.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE9TCCA92gAwIBAgIIPldUjucUq6QwDQYJKoZIhvcNAQELBQAwbTELMAkGA1UE BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxKjAoBgNVBAoTIU5hdGlvbmFsIEluc3Rp dHV0ZSBvZiBJbmZvcm1hdGljczEgMB4GA1UEAxMXTklJIE9wZW4gRG9tYWluIENB IC0gRzQwHhcNMTUwNzEwMDQzMjEwWhcNMTcwODA5MDQzMjEwWjCBgjELMAkGA1UE BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxGjAYBgNVBAoTEVRvaG9rdSBVbml2ZXJz aXR5MR8wHQYDVQQLExZHbG9iYWwgTGVhcm5pbmcgQ2VudGVyMSQwIgYDVQQDExt3 d3cuY2VmaXguaW5zYy50b2hva3UuYWMuanAwggEiMA0GCSqGSIb3DQEBAQUAA4IB DwAwggEKAoIBAQDgtFolttHSDLlMeAAB+a3DSrb1eEYBbAv11bOZEGQjgRL4ULGP zybWj0yk2VqExRwU7RB57NiHYweJqz/NcaDpAGiwbg1dB81a9p3aoI6kZUT1GC1s R1Oi1C4M7Mrkvc4a6LlRgxv5FA34/qrtl57qbYNaGU/AdFdHE7Q16Z9iXONgqcxL DvkORA0vLkN5HD1xVZ4XaK4sLjUYMEYUFJ4HuSex2lBLh3A2uD/HiQ4f/Kq3F+oK ToUgoLeqnaUtodln8o+n5s+8PkbdCeJJ9jWHUdaDFxXeaQaj27wih25K8QT72F9d qSZeGWlr+hmbNz77Qg1Dnqthz/FcZ7lKAwkJAgMBAAGjggGBMIIBfTAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwHwYDVR0jBBgwFoAUGQtvOR8xAzRf5NJA HzfmjediOXwwSgYDVR0fBEMwQTA/oD2gO4Y5aHR0cDovL3JlcG8xLnNlY29tdHJ1 c3QubmV0L3NwcGNhL25paS9vZGNhMy9mdWxsY3JsZzQuY3JsMA4GA1UdDwEB/wQE AwIFoDAdBgNVHQ4EFgQUbkvc/z7+u5nEV8LhW1rElnF46pAwWgYDVR0gBFMwUTBP BgwrBgEEAYH8CAMCAQEwPzA9BggrBgEFBQcCARYxaHR0cHM6Ly9yZXBvMS5zZWNv bXRydXN0Lm5ldC9zcGNwcC9jcHMvaW5kZXguaHRtbDA8BggrBgEFBQcBAQQwMC4w LAYIKwYBBQUHMAGGIGh0dHA6Ly9uaWlnNC5vY3NwLnNlY29tdHJ1c3QubmV0MCYG A1UdEQQfMB2CG3d3dy5jZWZpeC5pbnNjLnRvaG9rdS5hYy5qcDANBgkqhkiG9w0B AQsFAAOCAQEAd0uqFESlPbDXSlRawA602knCBhY/7OLdYmQn3Hp9jTrL5Ry+d3T0 /F0xJXC+G/CBGV+eBWtz6hzlmpu3TSyFRKavnyYydPxpc1N/2tkwd4IRWmoGQm33 Y/NmmdWbDxLEiM8BMp/NkHRUXvCJY/YDbIfNbp5ThXMtJYIY975STOxWI8mZQVXk tLz8HeCSgw9uqsC6mpBjg6zVPDiLgRp9/hqkxeo/iotc+q2Em/oaG9nrpedCwk66 JnKdYuD7T8SKZy7gu+uHo4/Gpj26zw4LdXvl89x6JvC9d80bDCS2OdcNNstM5jZU SbOfWROujrKbvWg/fIvT2XkDm27ZyrrwsA== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4LRaJbbR0gy5THgAAfmt w0q29XhGAWwL9dWzmRBkI4ES+FCxj88m1o9MpNlahMUcFO0QeezYh2MHias/zXGg 6QBosG4NXQfNWvad2qCOpGVE9RgtbEdTotQuDOzK5L3OGui5UYMb+RQN+P6q7Zee 6m2DWhlPwHRXRxO0NemfYlzjYKnMSw75DkQNLy5DeRw9cVWeF2iuLC41GDBGFBSe B7knsdpQS4dwNrg/x4kOH/yqtxfqCk6FIKC3qp2lLaHZZ/KPp+bPvD5G3QniSfY1 h1HWgxcV3mkGo9u8IoduSvEE+9hfXakmXhlpa/oZmzc++0INQ56rYc/xXGe5SgMJ CQIDAQAB -----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 4492152126064339876 . . . . . . . . [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 2015-07-10 04:32:10 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-08-09 04:32:10 +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 'Tohoku 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 'Global Learning 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 'www.cefix.insc.tohoku.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 28366315266282294654200749035699933872410274208776951785552890420065532660977131480821574830617731596657070244394116635662404814105780668156377769445306239434313903527473223781527859478656784242292599373165197193973542182471177903572756827135812840159197027123236956112861663009602341939591403477535074864556825961055438482302086871558862529322993263322474591809625731173293570591114760769088239130852422027944198694778334169807631064664125428413969488763387915055425946993297582262831796192385098533706180947962753774078886443481050928493541228233700000883940008409606501453492713206736873764693386965888252820785417 . . . . . . . . . . . . . . . . . . . . [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) 6e4bdcff3efebb99c457c2e15b5ac4967178ea90 . . . . . . . . . . . . . . . . [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 (31 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cefix.insc.tohoku.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) 00774baa1444a53db0d74a545ac00eb4da49c206163fece2dd626427dc7a7d8d3acbe51cbe7774f4fc5d312570be1bf081195f9e056b73ea1ce59a9bb74d2c8544a6af9f263274fc6973537fdad9307782115a6a06426df763f36699d59b0f12c488cf01329fcd9074545ef08963f6036c87cd6e9e5385732d258218f7be524cec5623c9994155e4b4bcfc1de092830f6eaac0ba9a906383acd53c388b811a7dfe1aa4c5ea3f8a8b5cfaad849bfa1a1bd9eba5e742c24eba26729d62e0fb4fc48a672ee0bbeb87a38fc6a63dbacf0e0b757be5f3dc7a26f0bd77cd1b0c24b639d70d36cb4ce6365449b39f5913ae8eb29bbd683f7c8bd3d979039b6ed9cabaf0b0