afterschool.dgedu.net

- Government of Korea -

Issued by CA134040001

About this certificate

This digital certificate with serial number eb:fe:55 was issued on by Government of Korea.

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:
  • Basic Constraints extension is marked as non-critical basicConstraints MUST appear as a critical extension (RFC 5280: 4.2.1.9)
  • Root and Subordinate CA certificate keyUsage extension MUST be present (BRs: 7.1.2.1, RFC 5280: 4.2.1.3)

Government of Korea

Organization: Government of Korea
Organization unit: Group of Server
Organization unit: 교육과학기술부
Country: KR

Government of Korea

Organization: Government of Korea
Organization unit: GPKI
Country: KR

This certificate has expire since

Certificate Details

Serial Number (hex): eb:fe:55
Serial Number (int): 15466069
Serial Number lenght: 24 bits, 3 octets

SubjectKeyId: 2b:25:41:5b:c6:80:83:1a:31:6f:d1:29:c9:da:1d:02:27:59:13:7c
AuthorityKeyId: fa:72:04:03:99:fd:ea:db:7c:50:dd:be:e5:72:a4:d2:77:25:15:c8

Fingerprint (sha1): 4c:2c:b1:c7:cc:1c:60:eb:ff:c6:cb:7e:c7:e1:64:49:4e:ce:9f:76
Fingerprint (sha256): f7:f8:c9:31:e4:be:df:33:f2:71:22:b3:38:be:a2:b7:c5:09:6d:4b:8a:25:0a:13:c4:6b:d1:08:14:01:85:73

Issuing Certificate URL: ldap://ldap.epki.go.kr:389/cn=GPKIRootCA,ou=GPKI,o=Government of Korea,c=KR

Revocation information

CRL Distribution Point: ldap://ldap.epki.go.kr:389/ou=dp1p16496,ou=CRL,ou=GPKI,o=Government of Korea,c=kr?certificateRevocationList

Check the revocation status for certificate afterschool.dgedu.net

0

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for afterschool.dgedu.net

Public Key Algorithm

RSA

Key Size

1024

Signature Algorithm

SHA1 with RSA

Key Usage

Extended Key Usages

Server Authentication
Client Authentication

Extensions

6 extensions
No unhandled critical extensions

CA Certificate

This is a CA certificate
Maximum Path Lenght:

-1

Subject Alternative Names

This certificate doesn't contain any subject alternative names.

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afterschool.dgedu.net

Certificate

The complete raw certificate details for afterschool.dgedu.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9rmCnHfGCH7oJbzSmTFPba01h
GvplumSZRD99MJqDWSrcxXYJagyF1Z+cTZ5eW08az2ZtcIjUMmk9yxHjVNhoWad8
v6Yda/yfZT9bP2SXzV7cxGW1P4+dyFzXNGhHApYPx1D4YYUn6xDN+ylrp4KMpc3F
TwJPEKUd2Ls3kVLupQIDAQAB
-----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 15466069
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . . . . . [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 'KR'
 . . . . . . . . . . . . [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:12|false] UTF8String 'Government of Korea'
 . . . . . . . . . . . . [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:12|false] UTF8String 'GPKI'
 . . . . . . . . . . . . [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:12|false] UTF8String 'CA134040001'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2009-10-12 06:20:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-01-12 06:19:59 +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 'KR'
 . . . . . . . . . . . . [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:12|false] UTF8String 'Government of Korea'
 . . . . . . . . . . . . [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:12|false] UTF8String 'Group of Server'
 . . . . . . . . . . . . [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:12|false] UTF8String '교육과학기술부'
 . . . . . . . . . . . . [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:12|false] UTF8String 'afterschool.dgedu.net'
 . . . . . . . . [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 (1120 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 133198641909320017793528490351724561455821531159497136125056275036809904139564407735486258629397981286928669248137474069299559267530330162101598835204114333162202065515420874850820739824782514761216643787280343337182413154237590810335009782020713494698237345856604019955152982282419093897135197402742224252581
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (91 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'ldap://ldap.epki.go.kr:389/cn=GPKIRootCA,ou=GPKI,o=Government of Korea,c=KR'
 . . . . . . . . . . . . . . . . [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 (127 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName fa72040399fdeadb7c50ddbee572a4d2772515c8
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:1|true] IA5String 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:4|true] Name 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'KR'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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:12|false] UTF8String 'Government of Korea'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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:12|false] UTF8String 'GPKI'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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:12|false] UTF8String 'GPKIRootCA'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'G������5��J '
 . . . . . . . . . . . . . . . . [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)
							2b25415bc680831a316fd129c9da1d022759137c
 . . . . . . . . . . . . . . . . [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 (5 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (117 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 'ldap://ldap.epki.go.kr:389/ou=dp1p16496,ou=CRL,ou=GPKI,o=Government of Korea,c=kr?certificateRevocationList'
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		005388d7f2529a9fc33ce5aff53566cd447f893201d2f8350118d6e4f8183e9eda458505a64e8e96e57fb7e04e349b913a1106088a83d261ea598b9a27cd9874594ce51544efe0fd430a08191b07a53a8f8cb6f2021b8ae3d4410c8fb565c57d7a0a6bebbb7dc0d467ebdf04521bd95f5387315bf98bd360325b98e145ab6ccd95b74dda1c4e745b7a880d248d1406da1c3fc828186df7a45a27f17a2cb78a74f7feca5d0e57fde5155fc6add67a242bef11c552733aa105e9816b35298dce1a8d303dee18d5c10b460b2b1c62667cf7d9d5c3be93998e98661677c42b3a45efde65920b964fff5e4d065926bdd337af56982d06ca717cce01c8af4d137d1a45e9