www.kosenforum.kosen-k.go.jp

Issued by

About this certificate


This digital certificate with serial number 6f:de:6d:96:dd:43:dd:ca 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.

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

Institute of National Colleges of Technology

Organization: Institute of National Colleges of Technology
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): 6f:de:6d:96:dd:43:dd:ca
Serial Number (int): 8061000877764500938
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: 52:fc:e0:22:a5:dc:3d:38:ee:19:58:32:08:c4:92:de:74:04:e7:78
AuthorityKeyId: 7b:0a:07:f7:18:ca:8c:0e:d6:da:bc:50:80:6c:2c:47:02:d1:0d:fb

Fingerprint (sha1): 8a:41:e2:98:4c:f7:b4:c3:57:e7:f9:90:1d:54:f3:94:d3:a4:67:c0
Fingerprint (sha256): a3:44:50:e0:64:66:c5:7f:bb:6e:7f:2d:8d:23:9d:1b:e3:a9:96:9a:4a:fa:08:4c:3a:6e:cc:20:a3:36:28:f2


Revocation information

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

Check the revocation status for the current certificate on www.kosenforum.kosen-k.go.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: www.kosenforum.kosen-k.go.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE1jCCA76gAwIBAgIIb95tlt1D3cowDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UE BhMCSlAxETAPBgNVBAcTCEFjYWRlbWUyMSowKAYDVQQKEyFOYXRpb25hbCBJbnN0 aXR1dGUgb2YgSW5mb3JtYXRpY3MxDTALBgNVBAsTBFVQS0kxIDAeBgNVBAsTF05J SSBPcGVuIERvbWFpbiBDQSAtIEcyMB4XDTEyMDQxMjA5MDIwOFoXDTE0MDUxMjA5 MTIwOFowfjELMAkGA1UEBhMCSlAxETAPBgNVBAcTCEFjYWRlbWUyMTUwMwYDVQQK EyxJbnN0aXR1dGUgb2YgTmF0aW9uYWwgQ29sbGVnZXMgb2YgVGVjaG5vbG9neTEl MCMGA1UEAxMcd3d3Lmtvc2VuZm9ydW0ua29zZW4tay5nby5qcDCCASIwDQYJKoZI hvcNAQEBBQADggEPADCCAQoCggEBANBY3oP/JUrc5QdsNwCAS8v5hNqUwL0Xn95R /8MeKtuHwPPM6GBB0aAXxFqQ6wKVCHXEmLyg7QMxjx7TiskuyUT2V7fUB6t4ERZz wbPfHbQNqa4H6G1GkzPvTYsz2SgCbxzQOysNQcuSb2Cu859cwt8G7l/e9UcLbYnQ l/onfoLuw6DtquDyspS/DNCGDCR4DFA/YGqufmcYX13ud4vAjWni23TY6TQ+4NCN WmSjvL6WWqzGU1GG1+543gZ4ASC9XVqifhofIiPZ6Zr+fsE8C2lDQEREc+pAl5to WidJKUGhmoJbsWroo9HGJxNiPAICyW89Y/npvZUOfXLIBnVZrzkCAwEAAaOCAVcw ggFTMA4GA1UdDwEB/wQEAwIFoDATBgNVHSUEDDAKBggrBgEFBQcDATAdBgNVHQ4E FgQUUvzgIqXcPTjuGVgyCMSS3nQE53gwHwYDVR0jBBgwFoAUewoH9xjKjA7W2rxQ gGwsRwLRDfswJwYDVR0RBCAwHoIcd3d3Lmtvc2VuZm9ydW0ua29zZW4tay5nby5q cDBmBgNVHSAEXzBdME0GCiqDCIycHgECAgEwPzA9BggrBgEFBQcCARYxaHR0cHM6 Ly9yZXBvMS5zZWNvbXRydXN0Lm5ldC9zcGNwcC9jcHMvaW5kZXguaHRtbDAMBgoq gwiMmxtkhwUBMEgGA1UdHwRBMD8wPaA7oDmGN2h0dHA6Ly9yZXBvMS5zZWNvbXRy dXN0Lm5ldC9zcHBjYS9uaWkvb2RjYTIvZnVsbGNybC5jcmwwEQYJYIZIAYb4QgEB BAQDAgZAMA0GCSqGSIb3DQEBBQUAA4IBAQCXXDMdSv8+FtDxPZKWOUtyDo9RPmal U3brh59ElEyPMowv8HyTG6SlgntHeLTElw2iq6h1CM0DMb8j5NLOXbpmSonNPXQt 7hWOJjvxYO3Vp9abDnzIJajV5dW+1XTaTZdy85kPVQ9I6buopcmIpMUE6x6CJiwY yqj8KqGKEO7IaKIbA7X+Zr727bwH7VBtuaapd/8h2ZUvlPIK0MLRJcR6ci/i/dXT GpUO8oSpjFds51fOf5nxVYh63r2nDOgf90zgvnHGN4W6McpZNY3b6B/OKdslBe4m dDgbxfSA51HAhFbDY1JXDF7obtX7B43Ed2YHBBdB/isWji0KIxCKefHY -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0Fjeg/8lStzlB2w3AIBL y/mE2pTAvRef3lH/wx4q24fA88zoYEHRoBfEWpDrApUIdcSYvKDtAzGPHtOKyS7J RPZXt9QHq3gRFnPBs98dtA2prgfobUaTM+9NizPZKAJvHNA7Kw1By5JvYK7zn1zC 3wbuX971RwttidCX+id+gu7DoO2q4PKylL8M0IYMJHgMUD9gaq5+ZxhfXe53i8CN aeLbdNjpND7g0I1aZKO8vpZarMZTUYbX7njeBngBIL1dWqJ+Gh8iI9npmv5+wTwL aUNARERz6kCXm2haJ0kpQaGagluxauij0cYnE2I8AgLJbz1j+em9lQ59csgGdVmv OQIDAQAB -----END PUBLIC KEY-----

ASN1 Decoded