kteacher.korean.go.kr

Issued by CA131100001

About this certificate


This digital certificate with serial number 18:b0:4c:77:17:c9:90:8a:ae:12:0b:45:0d:99:9c:b1:61:c5:d9:40 was issued on by Government of Korea .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

Cerificate errors/warnings *beta

  • ERROR: Certificate contains no Authority Info Access Issuers
  • ERROR: Certificate has key usage [KeyAgreement] set
  • ERROR: Certificate contains a CRL with an non-preferred scheme ([ldap])
  • ERROR: localityName or stateOrProvinceName is required if organizationName is set
  • ERROR: stateOrProvinceName is required if organizationName is set

Government of Korea

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

Government of Korea

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

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 18:b0:4c:77:17:c9:90:8a:ae:12:0b:45:0d:99:9c:b1:61:c5:d9:40
Serial Number (int): 140947370713664842850888158873723694657313298752
Serial Number lenght: 157 bits, 20 octets

SubjectKeyId: 08:71:90:a1:52:ae:58:5e:b4:f6:db:92:cb:0d:e0:8c:3a:ed:1e:91
AuthorityKeyId: 92:a4:78:17:b1:aa:2f:19:d8:2b:3f:b9:b3:2b:23:15:83:d5:97:35

Fingerprint (sha1): 01:b2:00:7a:ac:a4:f5:5e:70:09:3d:54:20:40:0c:17:a4:ae:ea:c0
Fingerprint (sha256): 45:97:76:73:95:f4:98:da:70:94:20:73:a5:db:84:03:ef:35:10:8d:5a:f7:10:d8:07:8a:19:db:80:7b:43:0d


Revocation information

CRL Distribution Point: ldap://cen.dir.go.kr:389/cn=crl1p1dp1618,cn=CA131100001,ou=GPKI,o=Government of Korea,c=KR?certificateRevocationList;binary

Check the revocation status for the current certificate on kteacher.korean.go.kr
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA



Key Usage

Digital Signature
Content Commitment
Key Encipherment
Data Encipherment
Key Agreement

Extended Key Usages

Server Authentication

Extensions

7 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

This certificate doesn't contain any other subject alternative names besides the common name of the subject: kteacher.korean.go.kr

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE1DCCA7ygAwIBAgIUGLBMdxfJkIquEgtFDZmcsWHF2UAwDQYJKoZIhvcNAQEL BQAwUDELMAkGA1UEBhMCS1IxHDAaBgNVBAoME0dvdmVybm1lbnQgb2YgS29yZWEx DTALBgNVBAsMBEdQS0kxFDASBgNVBAMMC0NBMTMxMTAwMDAxMB4XDTE1MDMxODA3 NDk1MloXDTE3MDYxODE0NTk1OVowZTELMAkGA1UEBhMCS1IxHDAaBgNVBAoME0dv dmVybm1lbnQgb2YgS29yZWExGDAWBgNVBAsMD0dyb3VwIG9mIFNlcnZlcjEeMBwG A1UEAwwVa3RlYWNoZXIua29yZWFuLmdvLmtyMIIBIjANBgkqhkiG9w0BAQEFAAOC AQ8AMIIBCgKCAQEAiBOQLcXfQEGU/RJBr5p8CdqeYT4bl3bkuh7fatwd1YHeGdTH ZpamaS/BAVvo4ZiB9bhPdA87DrSGL91hmmIekiiDzd6I1fOjc8Jwv/2qGWeP9Nnq gns+PLfvh8w9fOeDv0geERAgVQJb1Vl0/4IC1MN/QiAxrlvEK1uE2uO/hJs7oRmY 5wAPr1Z+1hAqiJw9+EOMlWP/hbzoDtWHr23h4jJTFpLPI8I3YVgTVItnEZ82P2NS dDN9nzXP9BslgxUqtGSWaalLF6qZp43MQl19+XegtW5BapK9OOlhD0Ef/VJLBpU2 8aF6j7doGGqhpc+XCyrovW6r4AnmF762RzMShQIDAQABo4IBjzCCAYsweQYDVR0j BHIwcIAUkqR4F7GqLxnYKz+5sysjFYPVlzWhVKRSMFAxCzAJBgNVBAYTAktSMRww GgYDVQQKDBNHb3Zlcm5tZW50IG9mIEtvcmVhMQ0wCwYDVQQLDARHUEtJMRQwEgYD VQQDDAtHUEtJUm9vdENBMYICJxIwHQYDVR0OBBYEFAhxkKFSrlhetPbbkssN4Iw6 7R6RMA4GA1UdDwEB/wQEAwID+DAWBgNVHSAEDzANMAsGCSqDGoaNIQIBAjAgBgNV HREEGTAXghVrdGVhY2hlci5rb3JlYW4uZ28ua3IwEwYDVR0lBAwwCgYIKwYBBQUH AwEwgY8GA1UdHwSBhzCBhDCBgaB/oH2Ge2xkYXA6Ly9jZW4uZGlyLmdvLmtyOjM4 OS9jbj1jcmwxcDFkcDE2MTgsY249Q0ExMzExMDAwMDEsb3U9R1BLSSxvPUdvdmVy bm1lbnQgb2YgS29yZWEsYz1LUj9jZXJ0aWZpY2F0ZVJldm9jYXRpb25MaXN0O2Jp bmFyeTANBgkqhkiG9w0BAQsFAAOCAQEAbsizLR2nOSeuE2gc5HjA/80lbemCnn5a dZhPLRi+dX2AMiAxIEHw9Wo5YobzVAJkysP+96n4M4Kwe/ECiAqOGELiIyaUzTL/ UWywTL0urIW3aRobKSYqu+7swzsgkMDaWr4EqYpc/RNC3PUAvbTszXyelYTtiVyl uXEdYBp2qxE/VCCA3gkW9o6W4Toz/WbLdrMaxvcV6ZU/uDkDfJHovJG3fcUbD6LJ AWHtni1VpDaTGdHMZU8Rm832vTe1JvoDmfqzFx7WhZsl8GtSDbgGK8DQPUvpCfAE 92QASbFAJEJyi8iikLpkWdz01nbqQSX8ZVuxQ7gwY+mhV1k723gxRw== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiBOQLcXfQEGU/RJBr5p8 CdqeYT4bl3bkuh7fatwd1YHeGdTHZpamaS/BAVvo4ZiB9bhPdA87DrSGL91hmmIe kiiDzd6I1fOjc8Jwv/2qGWeP9Nnqgns+PLfvh8w9fOeDv0geERAgVQJb1Vl0/4IC 1MN/QiAxrlvEK1uE2uO/hJs7oRmY5wAPr1Z+1hAqiJw9+EOMlWP/hbzoDtWHr23h 4jJTFpLPI8I3YVgTVItnEZ82P2NSdDN9nzXP9BslgxUqtGSWaalLF6qZp43MQl19 +XegtW5BapK9OOlhD0Ef/VJLBpU28aF6j7doGGqhpc+XCyrovW6r4AnmF762RzMS hQIDAQAB -----END PUBLIC KEY-----

ASN1 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 140947370713664842850888158873723694657313298752 . . . . . . . . [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 '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 'CA131100001' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-03-18 07:49:52 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-06-18 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 '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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'kteacher.korean.go.kr' . . . . . . . . [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 17178056448082136939072409775695632605315728601712114151888657746326124483677142583246695769411437826639366499535408480006432084942085045210296142317325573788369392589967185999733430882656578796254464248911310525974674114763655365934219377953006250805385256447071245115616342053393121346668465327684236945453746436308120275080399362932316230143138394571675153402913501299197376510366063213470043149486779855121754231122837621476493667891631273564654570377315078322255396337915625483308544964244556177449891483036478310260591733447442289556025388375748742672135096642512708533669966934151429822242003977415205330293381 . . . . . . . . . . . . . . . . . . . . [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 (114 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 92a47817b1aa2f19d82b3fb9b32b231583d59735 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'GPKIRootCA1' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String ''' . . . . . . . . . . . . . . . . [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) 087190a152ae585eb4f6db92cb0de08c3aed1e91 . . . . . . . . . . . . . . . . [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 (5 bits) 03f8 . . . . . . . . . . . . . . . . [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 (15 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.410.100001.2.1.2 . . . . . . . . . . . . . . . . [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 (25 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kteacher.korean.go.kr' . . . . . . . . . . . . . . . . [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 (135 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://cen.dir.go.kr:389/cn=crl1p1dp1618,cn=CA131100001,ou=GPKI,o=Government of Korea,c=KR?certificateRevocationList;binary' . . . . [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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