www.alc-education.co.jp

- ALC PRESS INC. -

Issued by SECOM Passport for Web SR 3.0 CA

About this certificate

This digital certificate with serial number 18:99:97:66:f8:31:22:eb was issued on by SECOM Trust Systems CO.,LTD..

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)
  • Subscriber certificates authorityInformationAccess extension should contain the HTTP URL of the issuing CA’s certificate (BRs: 7.1.2.3)

ALC PRESS INC.

Organization: ALC PRESS INC.
Organization unit: Infomation System Dept.
State / Province: Tokyo
Locality: Chiyoda-ku
Country: JP

SECOM Trust Systems CO.,LTD.

Organization: SECOM Trust Systems CO.,LTD.
Country: JP

This certificate has expire since

Certificate Details

Serial Number (hex): 18:99:97:66:f8:31:22:eb
Serial Number (int): 1772614396853428971
Serial Number lenght: 61 bits, 8 octets

SubjectKeyId: 2c:87:3d:0f:72:58:61:1b:9b:4c:14:66:39:53:02:80:79:4f:c8:50
AuthorityKeyId: c7:8c:c6:0e:e6:00:af:74:b9:65:3a:fc:26:09:e5:13:03:c6:d8:2f

Fingerprint (sha1): 5d:a8:e5:3c:b4:ec:ef:82:8f:3e:18:60:68:98:0b:53:c5:c7:84:a3
Fingerprint (sha256): b9:05:df:43:3f:09:e3:b5:54:34:a8:8e:7a:13:f9:aa:58:16:a7:be:05:69:53:0b:c7:2f:02:cf:a4:47:20:9e


Revocation information

OCSP Server: http://sr30.ocsp.secomtrust.net
CRL Distribution Point: http://repo1.secomtrust.net/spcpp/pfw/pfwsr3ca/fullcrl.crl

Check the revocation status for certificate www.alc-education.co.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.alc-education.co.jp

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.alc-education.co.jp

Other certificates including the domain name alc-education.co.jp

(limited to 100 certificates)
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp
www.alc-education.co.jp

Certificate

The complete raw certificate details for www.alc-education.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv1vrhYfRDKa1G8b+oqGd
W6/XAKl06e1abqYV1j5tfZeoHu8E67UawPdKCoMiEO6VcQCDjD3B5vScVHp1WCHc
qc5GrhxiHWCpN9qlU+prmP5P7kICfs+e/wzGdL+pnxE9qqGjTo9vYive6FaodWgn
/2iVJv/zU/eK3z92DeTgxm4ANB5r2fLnwnmk4s+34ZJCfjhvnt/1IQTLiQX4donf
nCn1mB2+F6WR8HdsqQvbUcpEMlCJH3162W1WQ3Whn7gRKBRbjzdJy87VrA+xx1tR
YWBEuJJnCcnJNDq/cu/kX3ZfzRyGlWo+H69eSNqTx1RXdHneYMaL9G4+j8vXZSlK
qQIDAQAB
-----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 1772614396853428971
 . . . . . . . . [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 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'SECOM Trust Systems CO.,LTD.'
 . . . . . . . . . . . . [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 'SECOM Passport for Web SR 3.0 CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-03-21 05:23:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-20 14:59:59 +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:19|false] PrintableString 'Chiyoda-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:19|false] PrintableString 'ALC PRESS INC.'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Infomation System Dept.'
 . . . . . . . . . . . . [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.alc-education.co.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 24156843692983086846697953322023640305544140137966334576298935978358956760369024967616779734161228782371481292350575971242110128423140025626635096267908417151488631935145851617541260883996623981985518213819978644753909094078973554615456873345589418544678964093850196965836109074293112334144316000684690947823785672338834133014749194609609774953512189057199099984317369925477602300463345496511760979615496762949867480955582757676213410957814526297559351908436085943614008007600695786646744471955188074056463286143203110567024340457555475617296346968545479822609025898263642464573071801332174612779490404652564204833449
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 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: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)
							2c873d0f7258611b9b4c146639530280794fc850
 . . . . . . . . . . . . . . . . [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 c78cc60ee600af74b9653afc2609e51303c6d82f
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alc-education.co.jp'
 . . . . . . . . . . . . . . . . [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 (80 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.392.200091.100.751.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/pfw/pfwsr3ca/'
 . . . . . . . . . . . . . . . . [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 (68 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/spcpp/pfw/pfwsr3ca/fullcrl.crl'
 . . . . . . . . . . . . . . . . [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 (47 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://sr30.ocsp.secomtrust.net'
 . . . . [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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