sso.kstudy.co.kr

Issued by RapidSSL CA

About this certificate


This digital certificate with serial number 0a:91:6f was issued on by GeoTrust, Inc. .

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.

sso.kstudy.co.kr

Company registration number: 0wCDT08ipG4lgomRaz8HJdLO/t0gzdkj
Organization unit: GT73755632
Organization unit: See www.rapidssl.com/resources/cps (c)13
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): 0a:91:6f
Serial Number (int): 692591
Serial Number lenght: 20 bits, 3 octets

SubjectKeyId: be:bb:a6:f2:d8:33:e9:1a:69:14:ec:cb:99:3c:7e:40:a6:94:2d:02
AuthorityKeyId: 6b:69:3d:6a:18:42:4a:dd:8f:02:65:39:fd:35:24:86:78:91:16:30

Fingerprint (sha1): e0:27:6d:27:91:21:bc:3c:d6:75:b2:9c:7e:6f:03:ad:bb:9c:69:c1
Fingerprint (sha256): a6:6b:36:20:33:30:1c:85:03:51:da:9b:cc:94:dc:cf:f4:6a:64:a6:da:3e:ff:1d:84:e7:c4:06:bb:54:95:3b

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 sso.kstudy.co.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

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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: sso.kstudy.co.kr

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFJjCCBA6gAwIBAgIDCpFvMA0GCSqGSIb3DQEBBQUAMDwxCzAJBgNVBAYTAlVT MRcwFQYDVQQKEw5HZW9UcnVzdCwgSW5jLjEUMBIGA1UEAxMLUmFwaWRTU0wgQ0Ew HhcNMTMwMjEyMDkyNjIxWhcNMTUwNDE2MjAzMzMzWjCBvzEpMCcGA1UEBRMgMHdD RFQwOGlwRzRsZ29tUmF6OEhKZExPL3QwZ3pka2oxEzARBgNVBAsTCkdUNzM3NTU2 MzIxMTAvBgNVBAsTKFNlZSB3d3cucmFwaWRzc2wuY29tL3Jlc291cmNlcy9jcHMg KGMpMTMxLzAtBgNVBAsTJkRvbWFpbiBDb250cm9sIFZhbGlkYXRlZCAtIFJhcGlk U1NMKFIpMRkwFwYDVQQDExBzc28ua3N0dWR5LmNvLmtyMIIBIjANBgkqhkiG9w0B AQEFAAOCAQ8AMIIBCgKCAQEAvUKWA+Y5RYx2gS59nfdYqq/daYP+kuPB8J0RNiyG 0+xnkSRiK4InYKTMCaMt3XDvcLmthhu6m8xZRbkgwcklBon4G3HjPR95XmGlMMNt xhdl/2LdlbyTU58VQsGgLUsbNNoEt59yIsyAl26GgOf0jAXvP7DZgqHZIMjAvjv/ bVtWLZ/L5UuD1zpw22F71xhIwpPi9D6Z9FMU3KpN+Av7Sl4ajshwC67rE1ul08+u hGPVx2H3zXT5i+DHOhT/qE494SLqCT1C1m5BaOJoHUX32dNeKmqtCQfA1FmEtOFU xm5O4GYEtl0i88GxG4HSLGCMQWT+JOH0hzUQrDbQuQJSIQIDAQABo4IBqzCCAacw HwYDVR0jBBgwFoAUa2k9ahhCSt2PAmU5/TUkhniRFjAwDgYDVR0PAQH/BAQDAgWg MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAbBgNVHREEFDASghBzc28u a3N0dWR5LmNvLmtyMEMGA1UdHwQ8MDowOKA2oDSGMmh0dHA6Ly9yYXBpZHNzbC1j cmwuZ2VvdHJ1c3QuY29tL2NybHMvcmFwaWRzc2wuY3JsMB0GA1UdDgQWBBS+u6by 2DPpGmkU7MuZPH5AppQtAjAMBgNVHRMBAf8EAjAAMHgGCCsGAQUFBwEBBGwwajAt BggrBgEFBQcwAYYhaHR0cDovL3JhcGlkc3NsLW9jc3AuZ2VvdHJ1c3QuY29tMDkG CCsGAQUFBzAChi1odHRwOi8vcmFwaWRzc2wtYWlhLmdlb3RydXN0LmNvbS9yYXBp ZHNzbC5jcnQwTAYDVR0gBEUwQzBBBgpghkgBhvhFAQc2MDMwMQYIKwYBBQUHAgEW JWh0dHA6Ly93d3cuZ2VvdHJ1c3QuY29tL3Jlc291cmNlcy9jcHMwDQYJKoZIhvcN AQEFBQADggEBAKMm2IGcZ4MBxvtyituB8hYpOUKHmpVeCwb12DhRvx7Ag6FqoBsu b1KmWxQdFoTO1ZIVHpO2AAKgKmaZWmxa4RJcSUsC/fqTE75I0C0VxNauHsbtzKFr CMfRTpg7fRde/xLnbJOqRkyv1YvwoZqbE63bP1SD3tF0rkmKyF2f3+IQo5765E+c FzP68WBo75F4F3d6sborJXZE6Ef/arPXul5/SJBgGfKMHR5+WU4hghY4ohAtdEH9 32ohc6Gp6Yft7f1de8owzd8RiQkYbwnax9igmh2/wsZPjefRoY8KWhJet2f/leNO 9ndptIhn0Htx4atBxZAnEe8cFCquPwfGDTE= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvUKWA+Y5RYx2gS59nfdY qq/daYP+kuPB8J0RNiyG0+xnkSRiK4InYKTMCaMt3XDvcLmthhu6m8xZRbkgwckl Bon4G3HjPR95XmGlMMNtxhdl/2LdlbyTU58VQsGgLUsbNNoEt59yIsyAl26GgOf0 jAXvP7DZgqHZIMjAvjv/bVtWLZ/L5UuD1zpw22F71xhIwpPi9D6Z9FMU3KpN+Av7 Sl4ajshwC67rE1ul08+uhGPVx2H3zXT5i+DHOhT/qE494SLqCT1C1m5BaOJoHUX3 2dNeKmqtCQfA1FmEtOFUxm5O4GYEtl0i88GxG4HSLGCMQWT+JOH0hzUQrDbQuQJS IQIDAQAB -----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 692591 . . . . . . . . [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 2013-02-12 09:26:21 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-04-16 20:33:33 +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 '0wCDT08ipG4lgomRaz8HJdLO/t0gzdkj' . . . . . . . . . . . . [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 'GT73755632' . . . . . . . . . . . . [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)13' . . . . . . . . . . . . [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 'sso.kstudy.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 23891874417474141336669596114722160573317027089786117514347950852579795349113186350928743468111956598432421100527100528594100598590482897066318259950367670916458312039311560276974857460752933398495761244797119500417307198231538928251827273873443667818903810825870622877717009311531954668093844026783808939867300112223719288783692018189551507461226884404089756215284648047716250814570052497866178914501428176876936572459394203497870482452384609262573686069208069316596261081118208457777325135046079518212253734787402211920995522679850405692927945146455073250728258884575557948004992642735088294360263069855849019232801 . . . . . . . . . . . . . . . . . . . . [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 (20 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sso.kstudy.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) bebba6f2d833e91a6914eccb993c7e40a6942d02 . . . . . . . . . . . . . . . . [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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