*.sktelecom.com

Issued by GeoTrust SSL CA

About this certificate


This digital certificate with serial number 02:8e:4f 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.

Cerificate errors/warnings *beta

  • ERROR: businessCategory is required for [EV] certificates
  • ERROR: jurisdictionCountryName is required for [EV] certificates
  • ERROR: Certificate should not contain a wildcard
  • ERROR: Certificate subjectAltName '[*.sktelecom.com]' should not contain a wildcard

SK Telecom Co.,Ltd

Company registration number: MOzR6-ZaJCtIbJ5HS5aNxHLwnSITgIF5
Organization: SK Telecom Co.,Ltd
Organization unit: Enterprise Solution Lab
State / Province: Seoul
Locality: Jung-gu
Country: KR

GeoTrust, Inc.

Organization: GeoTrust, Inc.
State / Province: Seoul
Locality: Jung-gu
Country: KR

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 02:8e:4f
Serial Number (int): 167503
Serial Number lenght: 18 bits, 3 octets

SubjectKeyId: 66:66:cb:6f:9f:22:ea:62:89:2a:a4:4f:62:2b:2b:4b:f3:ad:fc:44
AuthorityKeyId: 42:79:54:1b:61:cd:55:2b:3e:63:d5:3c:48:57:f5:9f:fb:45:ce:4a

Fingerprint (sha1): fa:93:af:a4:64:6e:f9:9c:19:1e:66:f8:a6:5e:7b:82:44:0a:35:a8
Fingerprint (sha256): 1d:2d:ec:20:41:8c:05:15:35:64:1d:76:c3:ec:b2:bc:08:a2:fc:5a:d2:ea:bf:5e:d9:35:7d:0b:22:04:38:fe

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

Revocation information

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

Check the revocation status for the current certificate on *.sktelecom.com
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
Data 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

*.sktelecom.com
sktelecom.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFHTCCBAWgAwIBAgIDAo5PMA0GCSqGSIb3DQEBBQUAMEAxCzAJBgNVBAYTAlVT MRcwFQYDVQQKEw5HZW9UcnVzdCwgSW5jLjEYMBYGA1UEAxMPR2VvVHJ1c3QgU1NM IENBMB4XDTEzMTAwNjEzNDcyOVoXDTE0MTAwOTA2MDcyNlowgbMxKTAnBgNVBAUT IE1PelI2LVphSkN0SWJKNUhTNWFOeEhMd25TSVRnSUY1MQswCQYDVQQGEwJLUjEO MAwGA1UECBMFU2VvdWwxEDAOBgNVBAcTB0p1bmctZ3UxGzAZBgNVBAoTElNLIFRl bGVjb20gQ28uLEx0ZDEgMB4GA1UECxMXRW50ZXJwcmlzZSBTb2x1dGlvbiBMYWIx GDAWBgNVBAMMDyouc2t0ZWxlY29tLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEP ADCCAQoCggEBAL/IVlHeA4aBEQWohX1B9XQRqeqSvlbx+iBbXBTlyRdToq3PrJNk 9B0RQ9KIMTA690i8y8mMESDjm16Ljvb4x6puhK3PMETKzojZMby2tpjIZ/EK00I+ ArZ5/QupNRguhMlR4Tt7kyd73l0kyhqNMTtEZ8EadHU/6zsy2Xwrp8EAg1OH/T5Q fG7z8F9wNwGG/4Yu4ONE2Zdq3nZRyf3oQ5Nyp0ttkaVTtvkY9pPH8Yv1q8HS296v OkwUPUs6gJ4p63ZFE4iQGh9q5Mj5x+gjVtvnXi5TbYSjceOXYcNVEOmnEhs+w1xi F6c8l0MezNPLZ8mUq7omY/QRW6/4LmZG/8ECAwEAAaOCAaowggGmMB8GA1UdIwQY MBaAFEJ5VBthzVUrPmPVPEhX9Z/7Rc5KMA4GA1UdDwEB/wQEAwIEsDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwKQYDVR0RBCIwIIIPKi5za3RlbGVjb20u Y29tgg1za3RlbGVjb20uY29tMD0GA1UdHwQ2MDQwMqAwoC6GLGh0dHA6Ly9ndHNz bC1jcmwuZ2VvdHJ1c3QuY29tL2NybHMvZ3Rzc2wuY3JsMB0GA1UdDgQWBBRmZstv nyLqYokqpE9iKytL8638RDAMBgNVHRMBAf8EAjAAMG8GCCsGAQUFBwEBBGMwYTAq BggrBgEFBQcwAYYeaHR0cDovL2d0c3NsLW9jc3AuZ2VvdHJ1c3QuY29tMDMGCCsG AQUFBzAChidodHRwOi8vZ3Rzc2wtYWlhLmdlb3RydXN0LmNvbS9ndHNzbC5jcnQw TAYDVR0gBEUwQzBBBgpghkgBhvhFAQc2MDMwMQYIKwYBBQUHAgEWJWh0dHA6Ly93 d3cuZ2VvdHJ1c3QuY29tL3Jlc291cmNlcy9jcHMwDQYJKoZIhvcNAQEFBQADggEB ADrYVKZ+3mtll+7tPn24oxVooyg8jsaZEKGhw0xXjjHCwO4hbxfPoysqujPMMlnr 0CUxgMUGoRM1x8cOjDJpCCZBMQnYOOEm4g+E/CZYZNHFWzSaR0LHQT/kZJ62sdGR QF/HkRBh0GLc2MJG0ZbmjC73Ika3TOWlFj+uUMgraJSE30xgISe53AIjZL7zVEqy yGwSmJOsiFYYonZ23eIdXWvAVx1vZqnmLeYxLl/T3mtzhlITaxzrwqBnngMKOCmR Qb3z2lZHjHhrXRVvCLgoOnOF8wc2vZ+n9CpGKyvcj4UbR8LcCklgnEtWVG+Q1l/o PMRHK91rcg4hAXtFsaL3QeE= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv8hWUd4DhoERBaiFfUH1 dBGp6pK+VvH6IFtcFOXJF1Oirc+sk2T0HRFD0ogxMDr3SLzLyYwRIOObXouO9vjH qm6Erc8wRMrOiNkxvLa2mMhn8QrTQj4Ctnn9C6k1GC6EyVHhO3uTJ3veXSTKGo0x O0RnwRp0dT/rOzLZfCunwQCDU4f9PlB8bvPwX3A3AYb/hi7g40TZl2redlHJ/ehD k3KnS22RpVO2+Rj2k8fxi/WrwdLb3q86TBQ9SzqAninrdkUTiJAaH2rkyPnH6CNW 2+deLlNthKNx45dhw1UQ6acSGz7DXGIXpzyXQx7M08tnyZSruiZj9BFbr/guZkb/ wQIDAQAB -----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 167503 . . . . . . . . [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 'GeoTrust SSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-10-06 13:47:29 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-10-09 06:07:26 +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 'MOzR6-ZaJCtIbJ5HS5aNxHLwnSITgIF5' . . . . . . . . . . . . [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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Seoul' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Jung-gu' . . . . . . . . . . . . [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 'SK Telecom 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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Enterprise Solution Lab' . . . . . . . . . . . . [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 '*.sktelecom.com' . . . . . . . . [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 24210306197228295849170203218582656711625936933578646638003824389318635480853718401695418120060274520148554459225581238356872685501119618800960832500292968738312740102912889618670382776155157807761246462133624617989722682301887654941537682195720246192900074166007633529358561281129502692857363599445526516219035103058447813910069784901479288920877840336821566888276614187309982032970471818880893833828251309530448830777481655980081683332046256589415722097127069520566243098338364019642504164182403280475021252904662634949016871468743148686727174778268703354266907144655183143204232618951017387158778170788200902492097 . . . . . . . . . . . . . . . . . . . . [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 4279541b61cd552b3e63d53c4857f59ffb45ce4a . . . . . . . . . . . . . . . . [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 (4 bits) 04b0 . . . . . . . . . . . . . . . . [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 (34 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.sktelecom.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sktelecom.com' . . . . . . . . . . . . . . . . [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 (54 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://gtssl-crl.geotrust.com/crls/gtssl.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) 6666cb6f9f22ea62892aa44f622b2b4bf3adfc44 . . . . . . . . . . . . . . . . [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 (99 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://gtssl-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://gtssl-aia.geotrust.com/gtssl.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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