mail.dendai.ac.jp

Issued by

About this certificate


This digital certificate with serial number 14:fa:c3:98:c6:3e:d9:6a 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

Tokyo Denki University

Organization: Tokyo Denki University
Organization unit: Multimedia Resource Center And Library
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): 14:fa:c3:98:c6:3e:d9:6a
Serial Number (int): 1511735685864675690
Serial Number lenght: 61 bits, 8 octets

SubjectKeyId: e2:8c:30:92:05:a6:f6:c2:74:93:9b:fc:51:5c:54:08:15:09:3f:b0
AuthorityKeyId: 7b:0a:07:f7:18:ca:8c:0e:d6:da:bc:50:80:6c:2c:47:02:d1:0d:fb

Fingerprint (sha1): 12:d8:c5:f8:73:ec:dd:54:bc:71:34:eb:e1:03:8e:59:6d:7f:4d:ab
Fingerprint (sha256): cc:e8:fd:aa:cb:90:5f:ca:39:14:db:6a:1b:d9:9f:3a:ce:7a:26:d4:db:f7:d8:1c:54:83:85:3b:37:6f:83:ed


Revocation information

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

Check the revocation status for the current certificate on mail.dendai.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: mail.dendai.ac.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE3DCCA8SgAwIBAgIIFPrDmMY+2WowDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UE BhMCSlAxETAPBgNVBAcTCEFjYWRlbWUyMSowKAYDVQQKEyFOYXRpb25hbCBJbnN0 aXR1dGUgb2YgSW5mb3JtYXRpY3MxDTALBgNVBAsTBFVQS0kxIDAeBgNVBAsTF05J SSBPcGVuIERvbWFpbiBDQSAtIEcyMB4XDTEyMDYwNDAwNDgxN1oXDTE0MDcwNDAw NTgxN1owgY4xCzAJBgNVBAYTAkpQMREwDwYDVQQHEwhBY2FkZW1lMjEfMB0GA1UE ChMWVG9reW8gRGVua2kgVW5pdmVyc2l0eTEvMC0GA1UECxMmTXVsdGltZWRpYSBS ZXNvdXJjZSBDZW50ZXIgQW5kIExpYnJhcnkxGjAYBgNVBAMTEW1haWwuZGVuZGFp LmFjLmpwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2ycY4pGh1T0B 2ReVJ3fmoXckFbmqwT9r99Wre5Cyi7k1eifHMB8iuPn1OkBr4Cg/Zf2SOmiVaclP 0Sj2zEa7nBtS67IYNVX1w/vQAZjX1eF47RgGRhkbyKOKpwB615ZMGYQ91ck0yBZw +titc/MQR/o442KBr6vjv2oUkbfhheV08kU4JtGWqsoCLEhT2HV5gjd1jlSI/W9H aQIxfTOQ2El5glRnW41jjhGtrl6jVtBIukbg1KbdkJ0v7ThFlCAp8nfxTsoiDLCe 28lAsnrJ//9psGr0rZHjqNFYMAw7h1kg2gXS+ruebhHMc75hbwFnz9oE84jBbWE/ 8qL12Z1o+wIDAQABo4IBTDCCAUgwDgYDVR0PAQH/BAQDAgWgMBMGA1UdJQQMMAoG CCsGAQUFBwMBMB0GA1UdDgQWBBTijDCSBab2wnSTm/xRXFQIFQk/sDAfBgNVHSME GDAWgBR7Cgf3GMqMDtbavFCAbCxHAtEN+zAcBgNVHREEFTATghFtYWlsLmRlbmRh aS5hYy5qcDBmBgNVHSAEXzBdME0GCiqDCIycHgECAgEwPzA9BggrBgEFBQcCARYx aHR0cHM6Ly9yZXBvMS5zZWNvbXRydXN0Lm5ldC9zcGNwcC9jcHMvaW5kZXguaHRt bDAMBgoqgwiMmxtkhwUBMEgGA1UdHwRBMD8wPaA7oDmGN2h0dHA6Ly9yZXBvMS5z ZWNvbXRydXN0Lm5ldC9zcHBjYS9uaWkvb2RjYTIvZnVsbGNybC5jcmwwEQYJYIZI AYb4QgEBBAQDAgZAMA0GCSqGSIb3DQEBBQUAA4IBAQBH6AR0CIPc5/dAxE68pg8p KYSrIgvjAZLW1RBRl6cp4w5dv4Y9CnFB+oHJlInmvC4pPjmI7dpImUCVIgWApc0D g45j8KBaB0EFhEP5H1P4hY7kJZdaEsToZIClaP57qV1kXn8EuMpsgFPLfUe73byY TaRit5wo8/nEd3WyKNG3Qxh250k/TgHv/j9Cph9R0EwlaaKaHPrY4dW+iuoVQJCO bZeXZ+tFq7GJcpZSkAmRALrPwMGPjIK63VlhuG4LaM+aOyK3qjaGK9INhJulWSH3 JEhl62EfNPAis1/7jyn9qr2Ci8R+uGA8uNLnp6DpGiIq9mlfD591QCRM4yXMt2dn -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2ycY4pGh1T0B2ReVJ3fm oXckFbmqwT9r99Wre5Cyi7k1eifHMB8iuPn1OkBr4Cg/Zf2SOmiVaclP0Sj2zEa7 nBtS67IYNVX1w/vQAZjX1eF47RgGRhkbyKOKpwB615ZMGYQ91ck0yBZw+titc/MQ R/o442KBr6vjv2oUkbfhheV08kU4JtGWqsoCLEhT2HV5gjd1jlSI/W9HaQIxfTOQ 2El5glRnW41jjhGtrl6jVtBIukbg1KbdkJ0v7ThFlCAp8nfxTsoiDLCe28lAsnrJ //9psGr0rZHjqNFYMAw7h1kg2gXS+ruebhHMc75hbwFnz9oE84jBbWE/8qL12Z1o +wIDAQAB -----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 1511735685864675690 . . . . . . . . [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 2012-06-04 00:48:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-07-04 00:58:17 +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 'Tokyo Denki 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 'Multimedia Resource Center And Library' . . . . . . . . . . . . [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 'mail.dendai.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 27665468338979450329400243685353166666821472562359609536413833918430034510672055674613818188006193711469902686549945193009099776591179673911647399073189174735986578707807988322601139892926485735922061193970237395875722259144771845948843330009401528832206634420975054573178559055227000852926705610207498680584156866952375439300993360285343574450683364460759290687325447194951879149140889517880851792342086913681769184374607897523431672136037889476610568380885176383985537896821830213520700305453207346217872053953255924632390352853394225216243027212805136045868014692582935118945621712173096779484812346299608909834491 . . . . . . . . . . . . . . . . . . . . [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) e28c309205a6f6c274939bfc515c540815093fb0 . . . . . . . . . . . . . . . . [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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.dendai.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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