www.math.tohoku.ac.jp
- Tohoku University -
Issued by NII Open Domain CA - G4
About this certificate
This digital certificate with serial number 7f:8c:d7:ac:e1:aa:2c:69 was issued on by National Institute of Informatics.
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Tohoku University
Organization:
Tohoku University
Organization unit: Mathematical Institute
Organization unit: Mathematical Institute
Locality:
Academe
Country: JP
Country: JP
National Institute of Informatics
Organization:
National Institute of Informatics
Locality:
Academe
Country: JP
Country: JP
This certificate has expire since
Certificate Details
Serial Number (hex): 7f:8c:d7:ac:e1:aa:2c:69Serial Number (int): 9190958077076712553
Serial Number lenght: 63 bits, 8 octets
SubjectKeyId: 6a:41:bc:f4:0f:d2:d9:79:fd:2a:b7:bf:a6:64:b5:f2:7c:7e:0e:34
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c
Fingerprint (sha1): 9b:3b:e7:fd:35:21:59:fa:7b:d6:38:7a:ff:f6:d3:0b:78:32:9c:62
Fingerprint (sha256): 05:2a:96:d6:d0:7d:b0:23:02:33:fd:3d:3f:82:a0:21:8f:b9:bf:78:0c:d1:f8:03:e1:0b:b9:39:a6:3a:3e:5d
Revocation information
OCSP Server: http://niig4.ocsp.secomtrust.netCRL Distribution Point: http://repo1.secomtrust.net/sppca/nii/odca3/fullcrlg4.crl
Check the revocation status for certificate www.math.tohoku.ac.jp
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.math.tohoku.ac.jp
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
www.math.tohoku.ac.jp
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Certificate
The complete raw certificate details for www.math.tohoku.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE6DCCA9CgAwIBAgIIf4zXrOGqLGkwDQYJKoZIhvcNAQELBQAwbTELMAkGA1UE BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxKjAoBgNVBAoTIU5hdGlvbmFsIEluc3Rp dHV0ZSBvZiBJbmZvcm1hdGljczEgMB4GA1UEAxMXTklJIE9wZW4gRG9tYWluIENB IC0gRzQwHhcNMTcwNDA0MDQxMzQ5WhcNMTkwNTA1MDQxMzQ5WjB8MQswCQYDVQQG EwJKUDEQMA4GA1UEBxMHQWNhZGVtZTEaMBgGA1UEChMRVG9ob2t1IFVuaXZlcnNp dHkxHzAdBgNVBAsTFk1hdGhlbWF0aWNhbCBJbnN0aXR1dGUxHjAcBgNVBAMTFXd3 dy5tYXRoLnRvaG9rdS5hYy5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBANx3unb4/9GPV32LJ9nzee4S9zTBS+jUGr2sFiu1NuDNwHx7aipR5mw55EhN ksIlwDHjFH/pY17hrlI24HLrzje5RPnCntNo8gBEUSS8LqPj+IfueTxroi7EuhnN zHfhy0NZ1qtx1USbywywQxtzYxWn9m28itH527bLsUO5eX7Na2SeCTfX7ww4WvKF CLBBWLNX7rbiONtsmSppuzqODGKJ99Wg5Fmgx/UhGObP3KOZnN2OsJ9kUEH2uyhk 26fWtjxcFWOzjFyhW0LbIH66CAzD4QfZ+WIhHro4MRj6QWkomy3XIkKTSHztC2L1 tDeldVyccXahQ0hGYaFtzwRpNxkCAwEAAaOCAXswggF3MB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAfBgNVHSMEGDAWgBQZC285HzEDNF/k0kAfN+aN52I5 fDBKBgNVHR8EQzBBMD+gPaA7hjlodHRwOi8vcmVwbzEuc2Vjb210cnVzdC5uZXQv c3BwY2EvbmlpL29kY2EzL2Z1bGxjcmxnNC5jcmwwDgYDVR0PAQH/BAQDAgWgMB0G A1UdDgQWBBRqQbz0D9LZef0qt7+mZLXyfH4ONDBaBgNVHSAEUzBRME8GDCsGAQQB gfwIAwIBATA/MD0GCCsGAQUFBwIBFjFodHRwczovL3JlcG8xLnNlY29tdHJ1c3Qu bmV0L3NwY3BwL2Nwcy9pbmRleC5odG1sMDwGCCsGAQUFBwEBBDAwLjAsBggrBgEF BQcwAYYgaHR0cDovL25paWc0Lm9jc3Auc2Vjb210cnVzdC5uZXQwIAYDVR0RBBkw F4IVd3d3Lm1hdGgudG9ob2t1LmFjLmpwMA0GCSqGSIb3DQEBCwUAA4IBAQBHnONb myi/mhBInrMSy0tIpGXDi5CEq968KkCHwY1Feky1tDp2BuGjyEzqkk1wR+D3XoeF b1nQfaOcQQYnVf/TJYnRZz5222xrvlhP9+Ojp83VD6sFDjV0JmkdthuvUx5cavlZ 6j5awq0IOmm18Aimi95Ik6JmXeb/Mvp1lKopTkigVogUtbINlb/wTlGx0HmCm88B IMiAVU/gcmaUeAtdsHZdR5xNgebA4NG6ilvpAQXaAjw9eavG3rBbtsxOFM7r4//G xe4HvXQXZlMCK5uVnFzwBOqREAB0fpiQX1qj5pvSEViDRvENLmJg53qKTT+oQAsS MLs9KGYe5F1zLpAZ -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3He6dvj/0Y9XfYsn2fN5 7hL3NMFL6NQavawWK7U24M3AfHtqKlHmbDnkSE2SwiXAMeMUf+ljXuGuUjbgcuvO N7lE+cKe02jyAERRJLwuo+P4h+55PGuiLsS6Gc3Md+HLQ1nWq3HVRJvLDLBDG3Nj Faf2bbyK0fnbtsuxQ7l5fs1rZJ4JN9fvDDha8oUIsEFYs1futuI422yZKmm7Oo4M Yon31aDkWaDH9SEY5s/co5mc3Y6wn2RQQfa7KGTbp9a2PFwVY7OMXKFbQtsgfroI DMPhB9n5YiEeujgxGPpBaSibLdciQpNIfO0LYvW0N6V1XJxxdqFDSEZhoW3PBGk3 GQIDAQAB -----END PUBLIC KEY-----
ASN.1 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 9190958077076712553 . . . . . . . . [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 2017-04-04 04:13:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-05 04:13:49 +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 'Mathematical Institute' . . . . . . . . . . . . [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.math.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 27831467356125604726748106939372744146373524079874919762113701638264795814902199964339423668895243147855426114468665811823218228513636670654517020805034887461194093642089246581564728441115321605187594303075162447347784048543278190612287126116721918557696610431545944414384332397425409204557130226942584725129573787406851439798702435606874259987575365931180012130744771754393358424514503655855134592124905662602273608727507225051558519631112373680533110341605513798652546522450446373209580708205557895147355947298566632758037918556962264352751883776741339415701757828079564971665164001487374702411068227647723362924313 . . . . . . . . . . . . . . . . . . . . [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) 6a41bcf40fd2d979fd2ab7bfa664b5f27c7e0e34 . . . . . . . . . . . . . . . . [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 (25 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.math.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) 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