webmail.cc.matsuyama-u.ac.jp

Issued by NII Open Domain CA - G4

About this certificate


This digital certificate with serial number 44:cc:33:7b:50:0d:19:bf was issued on by National Institute of Informatics .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

Cerificate errors/warnings *beta

  • ERROR: Certificate contains no Authority Info Access Issuers
  • ERROR: stateOrProvinceName is required if organizationName is set

Matsuyama University

Organization: Matsuyama University
Organization unit: mu-system
Locality: Academe
Country: JP

National Institute of Informatics

Organization: National Institute of Informatics
Locality: Academe
Country: JP

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This certificate will expire on

Certificate Details

Serial Number (hex): 44:cc:33:7b:50:0d:19:bf
Serial Number (int): 4957393894545103295
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: f6:64:e3:c7:7f:25:28:51:09:c7:1a:22:73:6b:cc:59:17:dd:7d:d9
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c

Fingerprint (sha1): da:d1:37:a7:01:48:fd:47:be:72:10:d6:48:ac:f3:07:b6:ba:1a:06
Fingerprint (sha256): f1:74:46:c8:18:4c:4f:9b:0a:84:dc:24:5e:f6:2a:d2:fc:2a:20:b8:fd:ac:f7:ee:6a:bb:9b:30:bf:56:ec:d2


Revocation information

OCSP Server: http://niig4.ocsp.secomtrust.net
CRL Distribution Point: http://repo1.secomtrust.net/sppca/nii/odca3/fullcrlg4.crl

Check the revocation status for the current certificate on webmail.cc.matsuyama-u.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

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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: webmail.cc.matsuyama-u.ac.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE7DCCA9SgAwIBAgIIRMwze1ANGb8wDQYJKoZIhvcNAQELBQAwbTELMAkGA1UE BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxKjAoBgNVBAoTIU5hdGlvbmFsIEluc3Rp dHV0ZSBvZiBJbmZvcm1hdGljczEgMB4GA1UEAxMXTklJIE9wZW4gRG9tYWluIENB IC0gRzQwHhcNMTUwNjEyMDEyMjA4WhcNMTcwNzEyMDEyMjA4WjB5MQswCQYDVQQG EwJKUDEQMA4GA1UEBxMHQWNhZGVtZTEdMBsGA1UEChMUTWF0c3V5YW1hIFVuaXZl cnNpdHkxEjAQBgNVBAsTCW11LXN5c3RlbTElMCMGA1UEAxMcd2VibWFpbC5jYy5t YXRzdXlhbWEtdS5hYy5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB ANpbVmmY/7tpJmWxuIeetrRqWWLPmJw0IsX5ZaBO5O6cNlD/l3/l8zgTxBIpAq6I btYnx7G9irfC048hQI5iR48k307fPKpNKGHOAwfrWz/tqbea4Gd7UOsmOZaKgNUK P2W+w/kI0krQcfse6z/cMNvcKvsM1TbHQUgdECaHvU6Dmg8F9LwxEcWXLImDP4J4 vv6jAc36WUu6k/TCeM23mG16N8kvBuWcPOuzTArjzUu2XUlx288yoGt9BAsKdODO 4tdBeDe26F+g6af5omEBiuPF76lk/3Z8Psl0HZmuafxTou+0mc6egc1IqNtrvz3p GOcHgGW6ZRzrTNEHb0O/C1UCAwEAAaOCAYIwggF+MB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAfBgNVHSMEGDAWgBQZC285HzEDNF/k0kAfN+aN52I5fDBK BgNVHR8EQzBBMD+gPaA7hjlodHRwOi8vcmVwbzEuc2Vjb210cnVzdC5uZXQvc3Bw Y2EvbmlpL29kY2EzL2Z1bGxjcmxnNC5jcmwwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud DgQWBBT2ZOPHfyUoUQnHGiJza8xZF9192TBaBgNVHSAEUzBRME8GDCsGAQQBgfwI AwIBATA/MD0GCCsGAQUFBwIBFjFodHRwczovL3JlcG8xLnNlY29tdHJ1c3QubmV0 L3NwY3BwL2Nwcy9pbmRleC5odG1sMDwGCCsGAQUFBwEBBDAwLjAsBggrBgEFBQcw AYYgaHR0cDovL25paWc0Lm9jc3Auc2Vjb210cnVzdC5uZXQwJwYDVR0RBCAwHoIc d2VibWFpbC5jYy5tYXRzdXlhbWEtdS5hYy5qcDANBgkqhkiG9w0BAQsFAAOCAQEA H4ONcslZbi8KU5gFYIOJNa0E2HLdXHTXbDDvMZZJR2evmtIDWZn/BzVXyid5jA1d 3D55SIKsEMApCVdP1dJJ/ZPu6IK/tI9M3V+Yf1GwBm0Ow5e3x/Nh7wB5F/AaATIo ZtjCfPVr2n+/vGPc5IplPifK4P2aqFSyOWr3G2kG37bur2rOE0B8YEZEKmo1QDCU bln0K6FjH6Fnn69SjwDW0KtiO5MZvDINw2WhmV3FrVal6yYm/ipsjb48nfXeLa/D H/jdzqjpWY6ztY0Zb4K28nDH71wV3fHmiMwuzpo6oE6yBjPp+NaKg1BQH2+mEFcf KlnJbKTqJdzlRBRkyJkyQw== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2ltWaZj/u2kmZbG4h562 tGpZYs+YnDQixflloE7k7pw2UP+Xf+XzOBPEEikCrohu1ifHsb2Kt8LTjyFAjmJH jyTfTt88qk0oYc4DB+tbP+2pt5rgZ3tQ6yY5loqA1Qo/Zb7D+QjSStBx+x7rP9ww 29wq+wzVNsdBSB0QJoe9ToOaDwX0vDERxZcsiYM/gni+/qMBzfpZS7qT9MJ4zbeY bXo3yS8G5Zw867NMCuPNS7ZdSXHbzzKga30ECwp04M7i10F4N7boX6Dpp/miYQGK 48XvqWT/dnw+yXQdma5p/FOi77SZzp6BzUio22u/PekY5weAZbplHOtM0QdvQ78L VQIDAQAB -----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 4957393894545103295 . . . . . . . . [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 2015-06-12 01:22:08 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-07-12 01:22:08 +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 'Matsuyama 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 'mu-system' . . . . . . . . . . . . [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 'webmail.cc.matsuyama-u.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 27564990706582399207422481883386776299227626339421619111490646413698821549748593314825125243864027029497310901199759671314294051222490409688825947464247852471135134997987605668461187501728258428333902351930723799721055689282509602373809113394014077696844876515968580834381793084750192060302804768841986335709088899699664436511209432061798578095229741365918390506048772456211292725895118886194915917321944106141609514026245456990718140099304532088473661029433093156974111317161153251395206784217142979449829215103643085882364586206833974288364588008250945433098935790668401111508710699603938342283598396947849289861973 . . . . . . . . . . . . . . . . . . . . [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) f664e3c77f25285109c71a22736bcc5917dd7dd9 . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.cc.matsuyama-u.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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