desknet.iss.u-tokyo.ac.jp

Issued by

About this certificate


This digital certificate with serial number 5e:d0:e8:64:df:4d:9f:ee was issued on by National Institute of Informatics .

While the 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.

Cerificate errors/warnings *beta

  • ERROR: Certificate contains no Authority Info Access Issuers
  • WARNING: Certificate contains unknown extension ([2.16.840.1.113730.1.1])
  • ERROR: stateOrProvinceName is required if organizationName is set

The University of Tokyo

Organization: The University of Tokyo
Organization unit: Institute of Social Science
Locality: Academe2
Country: JP

National Institute of Informatics

Organization: National Institute of Informatics
Organization unit: UPKI
Organization unit: NII Open Domain CA - G2
Locality: Academe2
Country: JP

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 5e:d0:e8:64:df:4d:9f:ee
Serial Number (int): 6832216154661822446
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: de:df:e5:97:d4:7f:57:df:e4:6a:28:5c:8a:8b:77:68:4f:7d:b4:2c
AuthorityKeyId: 7b:0a:07:f7:18:ca:8c:0e:d6:da:bc:50:80:6c:2c:47:02:d1:0d:fb

Fingerprint (sha1): f7:58:3c:46:67:4d:b3:65:d9:3a:35:1a:f1:23:e7:57:95:68:12:a7
Fingerprint (sha256): 36:9e:da:f7:f4:47:c0:5a:e7:bf:4a:3b:cb:5c:02:af:74:c4:bf:a9:73:36:6e:19:50:e8:6f:70:5a:a5:46:ca


Revocation information

CRL Distribution Point: http://repo1.secomtrust.net/sppca/nii/odca2/fullcrl.crl

Check the revocation status for the current certificate on desknet.iss.u-tokyo.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

SHA1 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server 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: desknet.iss.u-tokyo.ac.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE4jCCA8qgAwIBAgIIXtDoZN9Nn+4wDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UE BhMCSlAxETAPBgNVBAcTCEFjYWRlbWUyMSowKAYDVQQKEyFOYXRpb25hbCBJbnN0 aXR1dGUgb2YgSW5mb3JtYXRpY3MxDTALBgNVBAsTBFVQS0kxIDAeBgNVBAsTF05J SSBPcGVuIERvbWFpbiBDQSAtIEcyMB4XDTE0MDcwODA4MDgwN1oXDTE2MDMwNzA4 MTgwN1owgYwxCzAJBgNVBAYTAkpQMREwDwYDVQQHEwhBY2FkZW1lMjEgMB4GA1UE ChMXVGhlIFVuaXZlcnNpdHkgb2YgVG9reW8xJDAiBgNVBAsTG0luc3RpdHV0ZSBv ZiBTb2NpYWwgU2NpZW5jZTEiMCAGA1UEAxMZZGVza25ldC5pc3MudS10b2t5by5h Yy5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALkkfG1l5/wMA+og jvmWqr8F+YpXo7QjMvhU+ActMaHF+wH+O06b3adlYIk6qWrPwq9K4sahSKKHscuA 8NMb8dqnpY7X8zM1gMbosZhUzAiTjEdxMXa4TIlglr15QGKxIz1n5IuRXV4BvQhS cWEqmaG5dvgnnp680paImayAG9y3GN3/aoccjQrh7ln4MRld4sWqZ8/d9RC2StEG //tH2B+gc7+mu3SDYihvCCMxlhAzXvXCID2kTeoDfYmKs4m1AYa8RLtyolZbJ3FW ndJ+83gWtMfBqxh55L2ADDEaDBiqg6jACQijbA0WgeXxQ+ArgBgDG1TfRllWB79B XfhPKR0CAwEAAaOCAVQwggFQMA4GA1UdDwEB/wQEAwIFoDATBgNVHSUEDDAKBggr BgEFBQcDATAdBgNVHQ4EFgQU3t/ll9R/V9/kaihciot3aE99tCwwHwYDVR0jBBgw FoAUewoH9xjKjA7W2rxQgGwsRwLRDfswJAYDVR0RBB0wG4IZZGVza25ldC5pc3Mu dS10b2t5by5hYy5qcDBmBgNVHSAEXzBdME0GCiqDCIycHgECAgEwPzA9BggrBgEF BQcCARYxaHR0cHM6Ly9yZXBvMS5zZWNvbXRydXN0Lm5ldC9zcGNwcC9jcHMvaW5k ZXguaHRtbDAMBgoqgwiMmxtkhwUBMEgGA1UdHwRBMD8wPaA7oDmGN2h0dHA6Ly9y ZXBvMS5zZWNvbXRydXN0Lm5ldC9zcHBjYS9uaWkvb2RjYTIvZnVsbGNybC5jcmww EQYJYIZIAYb4QgEBBAQDAgZAMA0GCSqGSIb3DQEBBQUAA4IBAQCSmB2nzUOyFgNp Vvi9MfCQ0KT8JJrnUxKZtC+dRz7Et3OGvzz7mJgK8IsQD6bulovaP2B/QzeLFYPM BE1Zx7aNQzzo5g8J39IkcP6WzTsNHUeDvzxL8o9VOPCLfys36SrY6eG9v5g8i6To RyN9dZBLxyV9D3nuw6qqujz1+GnMEXcgmr04DTWUvk5qQcTvDrzSSXPNDXma1ZDZ vubtKErjI8bzSbpx9803hpBKh/j5d9roqS91pOVduuKmWBOXzb+UJHipB6Ghekgn Dsd3+SuyTh3P3fUlGTwS+WQynu7sDNe2H+Ym4w5wND4z1lz1tY3vzXtDJOkUsRSV wsrYTWxZ -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuSR8bWXn/AwD6iCO+Zaq vwX5ilejtCMy+FT4By0xocX7Af47Tpvdp2VgiTqpas/Cr0rixqFIooexy4Dw0xvx 2qeljtfzMzWAxuixmFTMCJOMR3ExdrhMiWCWvXlAYrEjPWfki5FdXgG9CFJxYSqZ obl2+CeenrzSloiZrIAb3LcY3f9qhxyNCuHuWfgxGV3ixapnz931ELZK0Qb/+0fY H6Bzv6a7dINiKG8IIzGWEDNe9cIgPaRN6gN9iYqzibUBhrxEu3KiVlsncVad0n7z eBa0x8GrGHnkvYAMMRoMGKqDqMAJCKNsDRaB5fFD4CuAGAMbVN9GWVYHv0Fd+E8p HQIDAQAB -----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 6832216154661822446 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [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 'Academe2' . . . . . . . . . . . . [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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'UPKI' . . . . . . . . . . . . [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 'NII Open Domain CA - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-07-08 08:08:07 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-07 08:18:07 +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 'Academe2' . . . . . . . . . . . . [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 'The University of Tokyo' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Institute of Social Science' . . . . . . . . . . . . [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 'desknet.iss.u-tokyo.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 23372078357725093568927981173759570711760506094515038198575920190570011190474682454051158107230183137176509315586018131762117248253583275088283111169548683239622356878513463360507703134743180524039101622339561058605348008560613407054319386094835216748153972654359371309014353895321931502615983251163858536467739770959178344588971013425612217400566454787823832013455783257097491206316579303246320972472655183964645780276294427083759170778795792054013865087418074194596712571344926025442102702449222721441401937789076844114772230413156556257024703477040300674599400207287151790265655502092209475086210567612603128817949 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 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: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) dedfe597d47f57dfe46a285c8a8b77684f7db42c . . . . . . . . . . . . . . . . [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 7b0a07f718ca8c0ed6dabc50806c2c4702d10dfb . . . . . . . . . . . . . . . . [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 'desknet.iss.u-tokyo.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 (95 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.392.200222.1.2.2.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.2.392.200091.100.901.1 . . . . . . . . . . . . . . . . [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 (65 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/odca2/fullcrl.crl' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113730.1.1 (netscape-cert-type) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2 bits) 0640 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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