smtp.med.tohoku.ac.jp

- Tohoku University -

Issued by NII Open Domain CA - G4

About this certificate

This digital certificate with serial number 1c:9a:95:21:0b:30:78:7a was issued on by National Institute of Informatics.

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Tohoku University

Organization: Tohoku University
Organization unit: Graduate School of Medicine
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): 1c:9a:95:21:0b:30:78:7a
Serial Number (int): 2061123748629608570
Serial Number lenght: 61 bits, 8 octets

SubjectKeyId: 52:b7:07:55:5b:e2:33:e3:87:0a:7a:bf:59:50:bf:89:13:9c:e8:90
AuthorityKeyId: 19:0b:6f:39:1f:31:03:34:5f:e4:d2:40:1f:37:e6:8d:e7:62:39:7c

Fingerprint (sha1): aa:b8:80:13:3b:af:30:51:70:d1:cb:0c:56:3e:7e:66:be:9a:19:28
Fingerprint (sha256): 0b:10:b2:de:f3:c9:cc:01:31:ea:ef:46:a6:4b:cb:a6:d7:6d:61:bf:40:b5:0a:3b:39:96:3d:68:6a:dd:f5:5a


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 smtp.med.tohoku.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for smtp.med.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

smtp.med.tohoku.ac.jp

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Certificate

The complete raw certificate details for smtp.med.tohoku.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqHf+o5vp3tqJAL+cZPnm
1mb7HYUEHoL5SFn2F1yjqvQx43j+MRNeymEYM6J/YcFs+Kk3QwxOZdfcHDMzkb60
ZplGEX10DnvHYxgzddmfy9UhIkbjDbV0GzudTyblSmeqQfZqY7qWBE6Pko/Ixqjy
CyiTda8of+Jv3McOFykv8jwefctcXSu54EaZ8o9VezUWoyLMsqvjLQCyN4/ma+5b
GDHOQPBzvoZE2xQkd5xKWO4fcAl7vfecysS1bwGX0OOLl/RE/PH+MdoUQAqrl/7A
rhBJBWoCgBHwOkbb9MxdSXxd0Js2hvqg/dnePTQrV8/5xVwDUbTJULVnq9IlmBzL
NwIDAQAB
-----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 2061123748629608570
 . . . . . . . . [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 2015-06-03 07:37:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-07-03 07:37:10 +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 'Graduate School of Medicine'
 . . . . . . . . . . . . [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 'smtp.med.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 21267206818321448243918216388798055572611233579289212579779021972431262736423723614150626510676127672818021282647373764323455639589677684866986568724394105785136076566409031715502982381027752701933366506063049127812782728910939482808649132136855887711194447733045654006703015698834015463806729244739901109253760413391321214147235693896062808583494857735791284222433231946177071305546762444166459655296164583335742363409155449784743855842517662112221912524934063554553048257433753779499095273720474029486582308992022955761629211012093966114400142284127151158858312608790177533322686073911776483391383556683687943523127
 . . . . . . . . . . . . . . . . . . . . [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)
							52b707555be233e3870a7abf5950bf89139ce890
 . . . . . . . . . . . . . . . . [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 'smtp.med.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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