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 5f:40:cb:0d:e8:9b:99:6f 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: Information 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): 5f:40:cb:0d:e8:9b:99:6f
Serial Number (int): 6863709092710160751
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: 3d:24:84:b8:8f:9f:d3:d0:54:dd:4f:25:83:b1:48:e1:c1:dc:1e:43
AuthorityKeyId: cb:ef:3d:ef:83:74:a1:a8:42:f0:3b:40:36:fa:6d:82:94:a9:27:36

Fingerprint (sha1): 66:91:c2:99:e6:fd:a9:a3:20:53:a0:3f:c1:b8:65:77:25:be:ef:ef
Fingerprint (sha256): 38:a6:f8:02:ec:1a:14:f2:bc:d1:bd:12:cf:bd:07:ad:08:8d:7d:82:42:8b:d0:75:b6:a8:31:88:0e:fd:e8:36


Revocation information

OCSP Server: http://sr30.ocsp.secomtrust.net
CRL Distribution Point: http://repo1.secomtrust.net/spcpp/pfw/pfwsr3ca/fullcrl2.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

9 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-----
MIIFBDCCA+ygAwIBAgIIX0DLDeibmW8wDQYJKoZIhvcNAQELBQAwXzELMAkGA1UE
BhMCSlAxJTAjBgNVBAoTHFNFQ09NIFRydXN0IFN5c3RlbXMgQ08uLExURC4xKTAn
BgNVBAMTIFNFQ09NIFBhc3Nwb3J0IGZvciBXZWIgU1IgMy4wIENBMB4XDTE5MDMy
NTA4MTMxM1oXDTIwMDQyMDE0NTk1OVowgZAxCzAJBgNVBAYTAkpQMQ4wDAYDVQQI
EwVUb2t5bzETMBEGA1UEBxMKQ2hpeW9kYS1rdTEXMBUGA1UEChMOQUxDIFBSRVNT
IElOQy4xITAfBgNVBAsTGEluZm9ybWF0aW9uIFN5c3RlbSBEZXB0LjEgMB4GA1UE
AxMXd3d3LmFsYy1lZHVjYXRpb24uY28uanAwggEiMA0GCSqGSIb3DQEBAQUAA4IB
DwAwggEKAoIBAQD1quC9+WbbbNsQT0aJIX4nlNF99OvWgvfrBwo5s0x0W1Y+1icb
PpHrtP8qhFtlUxmrPxw7GTZc/EdKXEjPVOVYt3w/RaVIPeZGHW6kPzxmMGegB4An
ruYndV/8xl1psx40lhnyOkIwLkn6e6JNSDENthhJEOe4Ew1ZVvz8comf271+1S9K
WU4HSsnwVApxCZpkobALJZOA+EQL2Ck0toM0RDVP2gc1JKK5ideVetFXducqEz2t
31/4Vi6Q1Pb86oUVrVVXaIAOVpOIG275yt5Y2mvaYFwAz4sLK65CkGEb+swGoclE
u6NYZCrrPV6M/rJosoLtP/X6AD1hO5IcmYaRAgMBAAGjggGQMIIBjDAfBgNVHSME
GDAWgBTL7z3vg3ShqELwO0A2+m2ClKknNjA7BggrBgEFBQcBAQQvMC0wKwYIKwYB
BQUHMAGGH2h0dHA6Ly9zcjMwLm9jc3Auc2Vjb210cnVzdC5uZXQwIgYDVR0RBBsw
GYIXd3d3LmFsYy1lZHVjYXRpb24uY28uanAwYQYDVR0gBFowWDBMBgoqgwiMmxtk
hW8BMD4wPAYIKwYBBQUHAgEWMGh0dHBzOi8vcmVwbzEuc2Vjb210cnVzdC5uZXQv
c3BjcHAvcGZ3L3Bmd3NyM2NhLzAIBgZngQwBAgIwEwYDVR0lBAwwCgYIKwYBBQUH
AwEwTAYDVR0fBEUwQzBBoD+gPYY7aHR0cDovL3JlcG8xLnNlY29tdHJ1c3QubmV0
L3NwY3BwL3Bmdy9wZndzcjNjYS9mdWxsY3JsMi5jcmwwHQYDVR0OBBYEFD0khLiP
n9PQVN1PJYOxSOHB3B5DMA4GA1UdDwEB/wQEAwIFoDATBgorBgEEAdZ5AgQDAQH/
BAIFADANBgkqhkiG9w0BAQsFAAOCAQEAIp1E22hK0YAonhR9wByR7bdlfRhUWFuF
XE66VL/lqCCXHIuRk1gTfZxHMQj6Zf5DIQwJmCaKVJuvEPNPIRZnmNGT5xKhlS4I
nmBLyXsqgjK4i1CtsqBOCl2Z3CWGFuBLf0vgSmA2VZuusv0if9DkFAMjyWDfb7jV
Y+oriQ0qihwxYe7gAogjITdU9w2LdP62rJWkRLRULZPD7gLQfwCsA75dgv5m/64Z
TB4e4FVEexzUIHI5af7fMxjWJZn/cIf/OeTxjImAyrcyic5ysnRSluMlByZTSjqF
Uly7f0ERw4Ie4XDv5EDJYH3taOPfRx08FSlUvd2DQi8Mc7JAx1MNIg==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9argvflm22zbEE9GiSF+
J5TRffTr1oL36wcKObNMdFtWPtYnGz6R67T/KoRbZVMZqz8cOxk2XPxHSlxIz1Tl
WLd8P0WlSD3mRh1upD88ZjBnoAeAJ67mJ3Vf/MZdabMeNJYZ8jpCMC5J+nuiTUgx
DbYYSRDnuBMNWVb8/HKJn9u9ftUvSllOB0rJ8FQKcQmaZKGwCyWTgPhEC9gpNLaD
NEQ1T9oHNSSiuYnXlXrRV3bnKhM9rd9f+FYukNT2/OqFFa1VV2iADlaTiBtu+cre
WNpr2mBcAM+LCyuuQpBhG/rMBqHJRLujWGQq6z1ejP6yaLKC7T/1+gA9YTuSHJmG
kQIDAQAB
-----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 6863709092710160751
 . . . . . . . . [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 2019-03-25 08:13:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-20 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 'Information 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 31012647749097348704368302718369139095823375952971036104580192579128976279746087159046828927445683128886574289319250073190298200215224970483579407653060226954883377057012868254674057199440091926269112218353146268132062052158782542641166854977174120697736005476408550691229658568744883913984196291712639162202884493633580854410704659089961786554988718534137901398482615647754082007924322469151996669993130186146557287306356804040019377443278367886806140433161501131154976960978537476955155203275919529224695615104756940677288423301339074119892185126006480857794572318605198653287064333275974825687176859598617130403473
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName cbef3def8374a1a842f03b4036fa6d8294a92736
 . . . . . . . . . . . . . . . . [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 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 (90 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 2.23.140.1.2.2 (Organization Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 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/fullcrl2.crl'
 . . . . . . . . . . . . . . . . [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)
							3d2484b88f9fd3d054dd4f2583b148e1c1dc1e43
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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