mail.tcu.ac.jp
- TOKYO CITY UNIVERSITY -
Issued by NII Open Domain CA - G4
About this certificate
This digital certificate with serial number 3f:92:2a:98:93:23:7b:4e was issued on by National Institute of Informatics.
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TOKYO CITY UNIVERSITY
Organization:
TOKYO CITY UNIVERSITY
Organization unit: Information Technology Center
Organization unit: Information Technology Center
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): 3f:92:2a:98:93:23:7b:4eSerial Number (int): 4580770605781187406
Serial Number lenght: 62 bits, 8 octets
SubjectKeyId: 16:73:a4:01:d8:9e:5a:d4:21:72:69:f4:7b:9e:5e:4b:fb:a2:8d:2a
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c
Fingerprint (sha1): e9:9f:75:b0:90:e0:85:4b:6b:5b:c7:cf:c1:aa:d6:ff:bc:ee:af:2b
Fingerprint (sha256): 2c:31:95:91:57:59:7b:ef:fc:df:ab:72:79:72:2a:e5:f5:47:e9:23:f7:4d:50:ea:ea:79:e2:47:3f:96:3b:79
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 mail.tcu.ac.jp
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for mail.tcu.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
mail.tcu.ac.jp
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Certificate
The complete raw certificate details for mail.tcu.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE5jCCA86gAwIBAgIIP5IqmJMje04wDQYJKoZIhvcNAQELBQAwbTELMAkGA1UE BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxKjAoBgNVBAoTIU5hdGlvbmFsIEluc3Rp dHV0ZSBvZiBJbmZvcm1hdGljczEgMB4GA1UEAxMXTklJIE9wZW4gRG9tYWluIENB IC0gRzQwHhcNMTcwNzAzMDUzMzEzWhcNMTkwODAzMDUzMzEzWjCBgDELMAkGA1UE BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxHjAcBgNVBAoTFVRPS1lPIENJVFkgVU5J VkVSU0lUWTEmMCQGA1UECxMdSW5mb3JtYXRpb24gVGVjaG5vbG9neSBDZW50ZXIx FzAVBgNVBAMTDm1haWwudGN1LmFjLmpwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A MIIBCgKCAQEA2DZZxZTyGiuwIxdU50+XbOvKll9KSqR6gE7r2CgNQ1jAXWHp1g+H vLlp6RpSvvZlbv9SWaZtPtNnK2AFmDIpgC+67yYFLcpzPiOf7h5sqimm5+uJ8puh FIQ8uY4Y0/osG3D4L20dXbdSaDfDpqahsWrtBkjFAk4yCgWZaoHZoTWAGL9X4AKn KTXNBxudzMMNiXQ204+5PJdnFrQtH/YDRymEZOw2ICdXmAOf7u4EY88X0V5raKnH YCtQU8GZ6oN8+kZYqqblkJeHKKzBYuVni3oh37m9FghcK1XDHKq7gBovxn+x/r3D 8SAPYYkXJKmuMR4ar9H5m4ZNzLiZq4mKuQIDAQABo4IBdDCCAXAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMB8GA1UdIwQYMBaAFBkLbzkfMQM0X+TSQB83 5o3nYjl8MEoGA1UdHwRDMEEwP6A9oDuGOWh0dHA6Ly9yZXBvMS5zZWNvbXRydXN0 Lm5ldC9zcHBjYS9uaWkvb2RjYTMvZnVsbGNybGc0LmNybDAOBgNVHQ8BAf8EBAMC BaAwHQYDVR0OBBYEFBZzpAHYnlrUIXJp9HueXkv7oo0qMFoGA1UdIARTMFEwTwYM KwYBBAGB/AgDAgEBMD8wPQYIKwYBBQUHAgEWMWh0dHBzOi8vcmVwbzEuc2Vjb210 cnVzdC5uZXQvc3BjcHAvY3BzL2luZGV4Lmh0bWwwPAYIKwYBBQUHAQEEMDAuMCwG CCsGAQUFBzABhiBodHRwOi8vbmlpZzQub2NzcC5zZWNvbXRydXN0Lm5ldDAZBgNV HREEEjAQgg5tYWlsLnRjdS5hYy5qcDANBgkqhkiG9w0BAQsFAAOCAQEAFVQ4xVyd 6yEMgYGy6IZWQuCJ6gzZQ/wkz0r6ZRXHlX/t/DaON5vkSIqNHEf2Mn3oFOPEUPIK FZGGeXCjgI2hAeklFoOo7U2VtSpv7QI7BQAz+xXfrCwfNFP/3N77wM40MwM4AjDm 5WTiu/Dv4hf8DK0V+E8ZcWR6+MVvcbSmJBwlmlGmDfG0/w2ueczKA5feq84PlEmD rIbZVpF/cyvYOGSJ4yvQcc12FgsP8EoGWD4ufCTjN3DPhKzmpohbFSLyxR9FmND/ PtDsr2+Hb/fV04Rmxhv+VXHCji+lr8P88QOcnYlWwaDrluq1sa9ka3LzjJ56p+6J u6r48ZLvU6OEkg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2DZZxZTyGiuwIxdU50+X bOvKll9KSqR6gE7r2CgNQ1jAXWHp1g+HvLlp6RpSvvZlbv9SWaZtPtNnK2AFmDIp gC+67yYFLcpzPiOf7h5sqimm5+uJ8puhFIQ8uY4Y0/osG3D4L20dXbdSaDfDpqah sWrtBkjFAk4yCgWZaoHZoTWAGL9X4AKnKTXNBxudzMMNiXQ204+5PJdnFrQtH/YD RymEZOw2ICdXmAOf7u4EY88X0V5raKnHYCtQU8GZ6oN8+kZYqqblkJeHKKzBYuVn i3oh37m9FghcK1XDHKq7gBovxn+x/r3D8SAPYYkXJKmuMR4ar9H5m4ZNzLiZq4mK uQIDAQAB -----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 4580770605781187406 . . . . . . . . [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 2017-07-03 05:33:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-03 05:33:13 +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 'TOKYO CITY 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 'Information Technology 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 'mail.tcu.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 27294275187491341947648080330376458087812745395312068418003577319582880727887767550982659290101260918344057179789835883471039118029465862500933584428263624948582649713955201447141419070879443649246542227761698704102574304855266099489229216364804627014404723782852769838253148870069082800269944998882613064663384059950751671029796101343841348319317617568295069526216173082250618347625339123798805358837054274306525735994100189525353102391758270057195906553516668268012399339334150628405938581915933590046166676427516937122780543675583588080844755705881196803844325416181280510822955546387004861176342745843001606113977 . . . . . . . . . . . . . . . . . . . . [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) 1673a401d89e5ad4217269f47b9e5e4bfba28d2a . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.tcu.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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