www.kteacher.co.kr

Issued by RapidSSL CA

About this certificate


This digital certificate with serial number 12:0e:4d was issued on by GeoTrust, Inc. .

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

www.kteacher.co.kr

Company registration number: cA/jN-Jl-GERZQoczATEEiCTeNCjmg6e
Organization unit: GT49990603
Organization unit: See www.rapidssl.com/resources/cps (c)14
Organization unit: Domain Control Validated - RapidSSL(R)

GeoTrust, Inc.

Organization: GeoTrust, Inc.

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 12:0e:4d
Serial Number (int): 1183309
Serial Number lenght: 21 bits, 3 octets

SubjectKeyId: a4:5c:ea:8e:0f:e6:bf:71:01:94:fe:29:b5:be:bf:ed:df:f3:a8:21
AuthorityKeyId: 6b:69:3d:6a:18:42:4a:dd:8f:02:65:39:fd:35:24:86:78:91:16:30

Fingerprint (sha1): 75:a4:70:fd:e6:1c:a2:80:f1:fc:34:d2:f8:38:c8:bc:2b:c6:69:1b
Fingerprint (sha256): e1:a7:97:f7:8e:2a:4f:26:9c:a1:5d:b5:fa:e5:d0:79:10:1b:18:27:91:d5:04:fe:8d:79:a4:90:a5:f9:b6:8b

Issuing Certificate URL: http://rapidssl-aia.geotrust.com/rapidssl.crt

Revocation information

OCSP Server: http://rapidssl-ocsp.geotrust.com
CRL Distribution Point: http://rapidssl-crl.geotrust.com/crls/rapidssl.crl

Check the revocation status for the current certificate on www.kteacher.co.kr
2
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

SHA1 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

www.kteacher.co.kr
kteacher.co.kr

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFOjCCBCKgAwIBAgIDEg5NMA0GCSqGSIb3DQEBBQUAMDwxCzAJBgNVBAYTAlVT MRcwFQYDVQQKEw5HZW9UcnVzdCwgSW5jLjEUMBIGA1UEAxMLUmFwaWRTU0wgQ0Ew HhcNMTQwNDEyMjIxMjMyWhcNMTUwNjE1MDMyNjE3WjCBwTEpMCcGA1UEBRMgY0Ev ak4tSmwtR0VSWlFvY3pBVEVFaUNUZU5Dam1nNmUxEzARBgNVBAsTCkdUNDk5OTA2 MDMxMTAvBgNVBAsTKFNlZSB3d3cucmFwaWRzc2wuY29tL3Jlc291cmNlcy9jcHMg KGMpMTQxLzAtBgNVBAsTJkRvbWFpbiBDb250cm9sIFZhbGlkYXRlZCAtIFJhcGlk U1NMKFIpMRswGQYDVQQDExJ3d3cua3RlYWNoZXIuY28ua3IwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDX7iaVAcFi/806ap6w91woiR4Fe3prES4nphvL xMGOqvL61YXhH8LI52Dl+aDXyhW2DuMFfo52SaizTbcjUHU20HATu3wy1Rt5szeo gWfGR3V3rxuyiSp4ThBV0YHxHWJ3p7eer2qwRifeGbUPCaZQWC1GKD3ON09oYHSu wxJ9e8htfjAMcdKbg1Y5br+iiu5oAEMr8Ah6xtSSAm8oXmQDz2zbu8UiQgvkm/G8 PzA4u2+whjhIRl11GK8qKbVTrJ5rTU7RBJ4mLkOe0CWvtgyoll01KAgPMWXxNu2e YmUTVvvgd9xGY51zs3y1lu8GjHK0IZAXuOjmc/raHXy6E7XZAgMBAAGjggG9MIIB uTAfBgNVHSMEGDAWgBRraT1qGEJK3Y8CZTn9NSSGeJEWMDAOBgNVHQ8BAf8EBAMC BaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMC0GA1UdEQQmMCSCEnd3 dy5rdGVhY2hlci5jby5rcoIOa3RlYWNoZXIuY28ua3IwQwYDVR0fBDwwOjA4oDag NIYyaHR0cDovL3JhcGlkc3NsLWNybC5nZW90cnVzdC5jb20vY3Jscy9yYXBpZHNz bC5jcmwwHQYDVR0OBBYEFKRc6o4P5r9xAZT+KbW+v+3f86ghMAwGA1UdEwEB/wQC MAAweAYIKwYBBQUHAQEEbDBqMC0GCCsGAQUFBzABhiFodHRwOi8vcmFwaWRzc2wt b2NzcC5nZW90cnVzdC5jb20wOQYIKwYBBQUHMAKGLWh0dHA6Ly9yYXBpZHNzbC1h aWEuZ2VvdHJ1c3QuY29tL3JhcGlkc3NsLmNydDBMBgNVHSAERTBDMEEGCmCGSAGG +EUBBzYwMzAxBggrBgEFBQcCARYlaHR0cDovL3d3dy5nZW90cnVzdC5jb20vcmVz b3VyY2VzL2NwczANBgkqhkiG9w0BAQUFAAOCAQEAmCUIP1yI/IbpRBEx/jOFNQhY oKBizrjWB09PZKvbsv/tNPAIK6FwTQbtafk6SGdHqd8mnmbfUT7YePkJHuXjeioQ s1BiSAV3q40ZUc1PVlU/Nudi7PEbFo+irqQ7uD27FZ5v+OepM0WUSlZZ8ruIBogC WHDSMPQrD1aGZbA8XemgbqhTxg42MGUpZEl3Zbg23Nbm9GHkQIdebDRiso1gO1Vm Zol//sX7xPSMH4tsnsawhq2LSPXnBXp34/aNsLNA7HclmCiwlGeTnlpux4DA7dOy ZsIeNgtiso+8Ud4OcXSM8eVzw4AbVPEnwyIMDoZgxMX4eJzRVt1aCldldR/R6g== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1+4mlQHBYv/NOmqesPdc KIkeBXt6axEuJ6Yby8TBjqry+tWF4R/CyOdg5fmg18oVtg7jBX6Odkmos023I1B1 NtBwE7t8MtUbebM3qIFnxkd1d68bsokqeE4QVdGB8R1id6e3nq9qsEYn3hm1Dwmm UFgtRig9zjdPaGB0rsMSfXvIbX4wDHHSm4NWOW6/ooruaABDK/AIesbUkgJvKF5k A89s27vFIkIL5JvxvD8wOLtvsIY4SEZddRivKim1U6yea01O0QSeJi5DntAlr7YM qJZdNSgIDzFl8TbtnmJlE1b74HfcRmOdc7N8tZbvBoxytCGQF7jo5nP62h18uhO1 2QIDAQAB -----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 1183309 . . . . . . . . [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 'US' . . . . . . . . . . . . [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 'GeoTrust, Inc.' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'RapidSSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-04-12 22:12:32 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-06-15 03:26:17 +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 2.5.4.5 (serialNumber) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'cA/jN-Jl-GERZQoczATEEiCTeNCjmg6e' . . . . . . . . . . . . [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 'GT49990603' . . . . . . . . . . . . [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 'See www.rapidssl.com/resources/cps (c)14' . . . . . . . . . . . . [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 'Domain Control Validated - RapidSSL(R)' . . . . . . . . . . . . [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.kteacher.co.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 27258672060295690455310925796187451308222812083033232811564602754207355930730177393197669154175669475688947833722179295569281021783210593217938623372907375172820645169200830188144071392776796489311623777727118425614727950742040568012417081092800866416939267937126479589984192457583739672858234268633075800431206409037155861637341635342966686332769825177978818013371822979076068056224373740351079012601909197774792701051968381506394273590630205223794224858781702461434568370733667401418406114411825368548499841852586892901530879450035815214838454324544242508577639919758768414526372256807523089246983502077443580343769 . . . . . . . . . . . . . . . . . . . . [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 6b693d6a18424add8f026539fd35248678911630 . . . . . . . . . . . . . . . . [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 (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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (38 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kteacher.co.kr' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kteacher.co.kr' . . . . . . . . . . . . . . . . [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 (60 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://rapidssl-crl.geotrust.com/crls/rapidssl.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) a45cea8e0fe6bf710194fe29b5bebfeddff3a821 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (108 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://rapidssl-ocsp.geotrust.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://rapidssl-aia.geotrust.com/rapidssl.crt' . . . . . . . . . . . . . . . . [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 (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113733.1.7.54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://www.geotrust.com/resources/cps' . . . . [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) 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