www.blog.ist.i.kyoto-u.ac.jp

- Kyoto University -

Issued by NII Open Domain CA - G4

About this certificate

This digital certificate with serial number 2c:5f:f8:e9:b7:90:da:99 was issued on by National Institute of Informatics.

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Kyoto University

Organization: Kyoto University
Organization unit: Dept. of Intelligence Sci. and Tech., Grad. Sch. of Informatics
Locality: Academe
Country: JP

National Institute of Informatics

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

This certificate has expire since

Certificate Details

Serial Number (hex): 2c:5f:f8:e9:b7:90:da:99
Serial Number (int): 3197547943147133593
Serial Number lenght: 62 bits, 8 octets

SubjectKeyId: c9:06:40:89:80:48:29:8b:5c:d8:88:55:ea:b0:28:ac:e9:36:93:c9
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c

Fingerprint (sha1): d8:a4:56:80:c7:dd:db:6c:32:fb:62:7d:02:4e:94:56:cd:d2:7a:08
Fingerprint (sha256): 07:75:35:2c:50:dc:92:35:86:a3:85:cd:09:37:ea:76:56:c7:5b:0b:38:d9:4d:c9:2a:e7:56:7c:94:7d:14:e3


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 certificate www.blog.ist.i.kyoto-u.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.blog.ist.i.kyoto-u.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.blog.ist.i.kyoto-u.ac.jp

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Certificate

The complete raw certificate details for www.blog.ist.i.kyoto-u.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFHzCCBAegAwIBAgIILF/46beQ2pkwDQYJKoZIhvcNAQELBQAwbTELMAkGA1UE
BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxKjAoBgNVBAoTIU5hdGlvbmFsIEluc3Rp
dHV0ZSBvZiBJbmZvcm1hdGljczEgMB4GA1UEAxMXTklJIE9wZW4gRG9tYWluIENB
IC0gRzQwHhcNMTUwNTE5MDQyNzA0WhcNMTcwNjE4MDQyNzA0WjCBqzELMAkGA1UE
BhMCSlAxEDAOBgNVBAcTB0FjYWRlbWUxGTAXBgNVBAoTEEt5b3RvIFVuaXZlcnNp
dHkxSDBGBgNVBAsTP0RlcHQuIG9mIEludGVsbGlnZW5jZSBTY2kuIGFuZCBUZWNo
LiwgR3JhZC4gU2NoLiBvZiBJbmZvcm1hdGljczElMCMGA1UEAxMcd3d3LmJsb2cu
aXN0Lmkua3lvdG8tdS5hYy5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC
ggEBAMiWysxR/TX7K90/jjQErOB8qT4d983YWGnmqgtPFhtDeHuVvo4h69HwQz/2
Y/bRLE4t0ll2+6pCCAxDx7TpDbEYMH9EKN9PYphoYeSw8hr4D5jJd6KNLIaFQvru
zt8D6iWDkZd7UupUdRvC3rF21SJh+3JrIoIYc8KeEmfZSKHNS6SupP+oUEJkXjYw
r4qR+uXYArs8QEKwJSt69VD9xqOgrdZdjzGx5cOnSl0L671MJVzhMNcxB0D0KMS4
60fk+46sdba/FwFJnWaUMA9MAtxBw3AVJ3oBzQHsKF+wjlnL4/QXSwhDiG2MsJ/M
qwmjR2HVdhBjW0sMYnFkv2Hfzb8CAwEAAaOCAYIwggF+MB0GA1UdJQQWMBQGCCsG
AQUFBwMBBggrBgEFBQcDAjAfBgNVHSMEGDAWgBQZC285HzEDNF/k0kAfN+aN52I5
fDBKBgNVHR8EQzBBMD+gPaA7hjlodHRwOi8vcmVwbzEuc2Vjb210cnVzdC5uZXQv
c3BwY2EvbmlpL29kY2EzL2Z1bGxjcmxnNC5jcmwwDgYDVR0PAQH/BAQDAgWgMB0G
A1UdDgQWBBTJBkCJgEgpi1zYiFXqsCis6TaTyTBaBgNVHSAEUzBRME8GDCsGAQQB
gfwIAwIBATA/MD0GCCsGAQUFBwIBFjFodHRwczovL3JlcG8xLnNlY29tdHJ1c3Qu
bmV0L3NwY3BwL2Nwcy9pbmRleC5odG1sMDwGCCsGAQUFBwEBBDAwLjAsBggrBgEF
BQcwAYYgaHR0cDovL25paWc0Lm9jc3Auc2Vjb210cnVzdC5uZXQwJwYDVR0RBCAw
HoIcd3d3LmJsb2cuaXN0Lmkua3lvdG8tdS5hYy5qcDANBgkqhkiG9w0BAQsFAAOC
AQEAINnf6tBlI6xaVGYI9ae0IOT0jMyMzG4EsBisxp++cy7qRwna3lJBf+Ru3Bf/
f0T0VOL0iVfaZGN+/N8Vr2/K7QNDV3ItHB1EyBBeKq1KHv2jSmqEsDTYuDD30Uhp
KYS6D+2VeM71vmcnXQWiKnUAuCpov3Bnoa//g7OuO41YU/w8M1Hc6PTtQo78tFyR
80MTM+m6YEylsJxGvdXrsE+xYCow0rjbcA/LGR1Fpmo68WVyqG+rgtVoI97RcuEk
ORpjluWHgZOCDikbtdy6oqoBtMHnjt0bdn2kLinafGmK77GhZnby/T+VoZYKEQFk
BbjbCmR6S+0FK73/cGYi5HluNA==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyJbKzFH9Nfsr3T+ONASs
4HypPh33zdhYaeaqC08WG0N4e5W+jiHr0fBDP/Zj9tEsTi3SWXb7qkIIDEPHtOkN
sRgwf0Qo309imGhh5LDyGvgPmMl3oo0shoVC+u7O3wPqJYORl3tS6lR1G8LesXbV
ImH7cmsighhzwp4SZ9lIoc1LpK6k/6hQQmReNjCvipH65dgCuzxAQrAlK3r1UP3G
o6Ct1l2PMbHlw6dKXQvrvUwlXOEw1zEHQPQoxLjrR+T7jqx1tr8XAUmdZpQwD0wC
3EHDcBUnegHNAewoX7COWcvj9BdLCEOIbYywn8yrCaNHYdV2EGNbSwxicWS/Yd/N
vwIDAQAB
-----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 3197547943147133593
 . . . . . . . . [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 2015-05-19 04:27:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-06-18 04:27:04 +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 'Kyoto 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 'Dept. of Intelligence Sci. and Tech., Grad. Sch. 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 'www.blog.ist.i.kyoto-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 25322019388633783458188149611666685209380555821137067778145614300785707560159293241759838360645665985569260056984232627125519597166292667855724635930797330965167709561256917556759414007029663986777818403607726001962284797931417534216518982854649429121961305019625100396140298360596956626926337219468097854059773198377735948915996635808969577619302870071692775149831695908584462416376232696423272513494002535671738064655338404511344990652030539909468485735273133729803372820228794099486931671132530196479249841194423273831663655842270140099231694763854761079395655003961371249554562486655802285842950046267935391993279
 . . . . . . . . . . . . . . . . . . . . [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)
							c90640898048298b5cd88855eab028ace93693c9
 . . . . . . . . . . . . . . . . [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 'www.blog.ist.i.kyoto-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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