mail.l.u-tokyo.ac.jp

- The University of Tokyo -

Issued by NII Open Domain CA - G4

About this certificate

This digital certificate with serial number 63:e0:64:ed:25:29:c1:30 was issued on by National Institute of Informatics.

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The University of Tokyo

Organization: The University of Tokyo
Organization unit: Graduate School of Humanities and Sociology
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): 63:e0:64:ed:25:29:c1:30
Serial Number (int): 7196863174231572784
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: a7:0d:07:a9:3f:dd:3f:7f:f8:62:8f:10:5f:94:84:05:e0:03:0c:0b
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c

Fingerprint (sha1): 6d:10:b8:14:ed:06:2b:8b:0c:82:b8:e4:56:eb:ce:c1:23:17:61:8c
Fingerprint (sha256): 02:97:57:73:9a:ea:15:c0:23:6b:7e:37:13:69:40:9a:89:31:48:24:34:67:b5:b7:19:2e:08:d5:4d:f2:8a:6b


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 mail.l.u-tokyo.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.l.u-tokyo.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.l.u-tokyo.ac.jp

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Certificate

The complete raw certificate details for mail.l.u-tokyo.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtVj8U1cAFRqgGzV3R9Lw
pN+sJEqejF6IfhgH85m4/P4wZS3IHl2RifTJdeBiDztj/Y95qB9StqErasqOdUYT
k5LPQ/3VHzhbZL+dHr+Vgz9GlXol6lYKy7n0gIvzXN04voQ+EIeM41c+iuVnlkTV
sNPzY+7quF6zO+buFJ8E1+qlB8U9x8uSWM5XSmKO5qSyYH3bdqUfvgg6gBuoHHwg
jinzQjLHXuR0gR9TLfH6tuQ2xoVwjNkpBTREoHdkUFDWWdfRTm/e05uH8bFlEran
ZLCSvW422BU5f05t8hQI9x60VAHJO+tjXM9gUl5Ks5HsNtElrC0yQheNQuqWRxHH
JwIDAQAB
-----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 7196863174231572784
 . . . . . . . . [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 2015-02-23 06:12:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-03-25 06:12:09 +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 'The University of Tokyo'
 . . . . . . . . . . . . [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 'Graduate School of Humanities and Sociology'
 . . . . . . . . . . . . [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.l.u-tokyo.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 22893013656674238696958750313157633293356487224453933764877632513564066908403684233512692843631168520337342651913690069911768041187148163337732950933319649707901318626850225921789194520661509805393154904074932392148948669735531778951084331231992292374994416827830919470941117742168462437274008008663260982571062801759688925710178097379705359521441794989906069329802964985714282884070290897860180731557172986027409891018510882876301143971982631280333873909621359976945536914270287797240225998313590231466407991165783029092367283617153509009964958895942427396156964307871265980611619609318899249602866593058510368524071
 . . . . . . . . . . . . . . . . . . . . [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)
							a70d07a93fdd3f7ff8628f105f948405e0030c0b
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.l.u-tokyo.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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