www.sanko.ac.jp

- Sanko Gakuen -

Issued by GeoTrust SSL CA - G3

About this certificate

This digital certificate with serial number 48:92:ee:ff:ad:10:8e:aa:88:f5:1e:17:c3:c3:2a:52 was issued on by GeoTrust Inc..

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

Sanko Gakuen

Organization: Sanko Gakuen
Organization unit: General affairs department
State / Province: Tokyo
Locality: Bunkyo-ku
Country: JP

GeoTrust Inc.

Organization: GeoTrust Inc.
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 48:92:ee:ff:ad:10:8e:aa:88:f5:1e:17:c3:c3:2a:52
Serial Number (int): 96467338508088061151868964826060630610
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: d2:6f:f7:96:f4:85:3f:72:3c:30:7d:23:da:85:78:9b:a3:7c:5a:7c

Fingerprint (sha1): 53:1f:95:2f:7d:22:6e:ba:36:85:68:23:25:92:13:07:6c:44:8b:d7
Fingerprint (sha256): e6:bf:3e:95:c5:49:27:5a:42:51:3e:9f:32:b2:ae:00:0d:b8:f7:b5:46:b4:ef:cf:78:cf:24:e2:c6:80:f9:49

Issuing Certificate URL: http://gn.symcb.com/gn.crt

Revocation information

OCSP Server: http://gn.symcd.com
CRL Distribution Point: http://gn.symcb.com/gn.crl

Check the revocation status for certificate www.sanko.ac.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.sanko.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.sanko.ac.jp
sanko.ac.jp

Other certificates including the domain name sanko.ac.jp

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.sanko.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApjBWOC7QaWhckYAe1wA/
CeN3nejLh/M8QFTyOH0MSFA1aHtduivl3OwNprS+Dgmmi2RqPq38gQ5xoI7eJqI8
eZH7JD9vxgNiBlRtBCFDTNvmcPeCJExKXsMv1TwBY70NqzhGdRWUpIMbiSYswBYt
QHKWhOeA9huedl0Fu6HJXDDjepeir2WKxdhqXx9UqkpzCHL/22/hB7fjROhudWDe
9zL+TMt+LacbRHcAuUcl0Gg8+Jv+WRgwks2xp73TihsvNDY9KYfvD2UrADa2lin+
BxNq7t2GeRxkz3JN7GybXMJkMvc25a7WPgXfwHAhjH4Uglg2DNgojzs7CmTKw/mK
EQIDAQAB
-----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 96467338508088061151868964826060630610
 . . . . . . . . [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 'US'
 . . . . . . . . . . . . [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 'GeoTrust Inc.'
 . . . . . . . . . . . . [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 'GeoTrust SSL CA - G3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-04-06 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-04-05 23:59:59 +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 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Tokyo'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:20|false] TeletexString, T61String 'Bunkyo-ku'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'Sanko Gakuen'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'General affairs department'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'www.sanko.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 20979394386244005840930722978206785250266585885783839486987082695961438605366750350420228787303966919012330867662539107125544175825099485723045421339823210681231630728177290948918839281897616377549069445676189716745261012545428453056876864099333623723358158146545447983844908220494466438850596595328079497894877065866123713186408797977671409981555890411019216122020484534405948555478093208729546483461402740261333306895543475595216038764881227364982320853830078748553399103583262677048936034169913935413748587669376790500871905552895416324151258232237233810519730447046215002675025197172328233032930513820419752561169
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (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.sanko.ac.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sanko.ac.jp'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 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://gn.symcb.com/gn.crl'
 . . . . . . . . . . . . . . . . [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 (149 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.geotrust.com/resources/repository/legal'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'https://www.geotrust.com/resources/repository/legal'
 . . . . . . . . . . . . . . . . [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 d26ff796f4853f723c307d23da85789ba37c5a7c
 . . . . . . . . . . . . . . . . [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 (75 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://gn.symcd.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://gn.symcb.com/gn.crt'
 . . . . [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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