www.ddi.ncgm.go.jp

Issued by KDDI Web Communications Certification Authority 3

About this certificate

This digital certificate with serial number 48:f2:6c:c2:52:1e:bb:47 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)

Certificate Subject

CN=www.ddi.ncgm.go.jp

SECOM Trust Systems CO.,LTD.

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

This certificate has expire since

Certificate Details

Serial Number (hex): 48:f2:6c:c2:52:1e:bb:47
Serial Number (int): 5256383296951991111
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: e6:b1:99:17:f9:c3:32:72:b5:f1:6a:e9:d8:77:e2:eb:1d:40:7b:03
AuthorityKeyId: d5:85:07:1e:68:1b:a7:2f:8f:d5:ca:92:60:52:d1:71:08:5d:70:b0

Fingerprint (sha1): 5e:ee:8c:c2:4c:4d:34:89:e7:b5:48:88:17:c7:ff:ad:c8:99:6b:ef
Fingerprint (sha256): 8a:fa:f0:cb:8b:44:ee:81:1d:31:42:19:58:b1:60:31:68:07:a5:08:cf:0d:b8:0c:63:2d:21:42:19:2b:35:fb


Revocation information

OCSP Server: http://kddiweb3.ocsp.secomtrust.net
CRL Distribution Point: http://repo1.secomtrust.net/sppca/kddiweb3/fullCRL.crl

Check the revocation status for certificate www.ddi.ncgm.go.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ddi.ncgm.go.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.ddi.ncgm.go.jp

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Certificate

The complete raw certificate details for www.ddi.ncgm.go.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzUdsT8TqWGH67gyrHqqI
rKFi/LVu6YYFE2K5rlOi74CQCeF3/aWBhWpOpkkOnZfRbKPKC1pdy/ZimYzchmK5
AhK1PuSHTp5lvFxTYF1p5IbG7zKWAwacZaFLE6pE+rNW04H4Adh7O/SStyiehMs4
+I/PqR4YL3tm6N5QflJr7Us7N+lEsblOFovnoLSlMcfzqR9yWpaRuWviK1kcb91s
NzQ9TQIaYlmVaL/2aHnu7m0t3bdK/LRjipdsFXT8ac4OzOyShp2UmP1QxXb2GafI
YpTbjGE4vbb9ure81nTRVokDhUzA7zoXzgTgpL4MedspSBG9pOGfHKTC/XSVcopf
9QIDAQAB
-----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 5256383296951991111
 . . . . . . . . [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 'KDDI Web Communications Certification Authority 3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-12 04:12:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-20 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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.ddi.ncgm.go.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 25914072557465516139518671181217419405022245749337776059419028863258762071481615682858952914873416776292911751790524495293886005158819476901322751662533404375189511238632239316486331981153543775041239754406259948635146355872332480057254826673143286353462154407162446027302249651664447348661135572619139643323347952535894266043827728796736926801724304470581827883131424200580565903862341407114651907603157217805985192621173049240891431961036376973036761322184011067963903904357066992126385581648527983424252147368390098858196892227581973157303186939121956612154141726455405810647243433417368530484812486147917465935861
 . . . . . . . . . . . . . . . . . . . . [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 d585071e681ba72f8fd5ca926052d171085d70b0
 . . . . . . . . . . . . . . . . [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 (51 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://kddiweb3.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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ddi.ncgm.go.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 (86 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.392.200091.110.213.3
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/sppca/kddiweb3/'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain 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 (64 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/kddiweb3/fullCRL.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)
							e6b19917f9c33272b5f16ae9d877e2eb1d407b03
 . . . . . . . . . . . . . . . . [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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