*.cuk.edu

Issued by Thawte SSL CA

About this certificate


This digital certificate with serial number 23:e7:91:a6:7b:9a:cd:13:4d:2e:21:f9:01:5f:f9:9d was issued on by Thawte, 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.

Cerificate errors/warnings *beta

  • WARNING: Using depricated TeletexString for '[Jongno-gu]'
  • WARNING: Using depricated TeletexString for '[The Cyber University of Korea]'
  • WARNING: Using depricated TeletexString for '[*.cuk.edu]'

The Cyber University of Korea

Organization: The Cyber University of Korea
State / Province: Seoul
Locality: Jongno-gu
Country: KR

Thawte, Inc.

Organization: Thawte, Inc.
State / Province: Seoul
Locality: Jongno-gu
Country: KR

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 23:e7:91:a6:7b:9a:cd:13:4d:2e:21:f9:01:5f:f9:9d
Serial Number (int): 47725354566314906819339946608600021405
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: a7:a2:83:bb:34:45:40:3d:fc:d5:30:4f:12:b9:3e:a1:01:9f:f6:db

Fingerprint (sha1): 04:1f:35:8f:02:2c:ff:b1:d3:72:af:e1:74:e9:10:bf:41:0e:ec:74
Fingerprint (sha256): b4:7d:49:24:c1:b1:44:21:69:a4:54:c2:10:bb:63:18:cf:bb:2c:0d:11:9c:25:08:88:bc:6e:86:e1:a3:01:10

Issuing Certificate URL: http://tb.symcb.com/tb.crt

Revocation information

OCSP Server: http://tb.symcd.com
CRL Distribution Point: http://tb.symcb.com/tb.crl

Check the revocation status for the current certificate on *.cuk.edu
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

8 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: *.cuk.edu

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEpDCCA4ygAwIBAgIQI+eRpnuazRNNLiH5AV/5nTANBgkqhkiG9w0BAQUFADA8 MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMVGhhd3RlLCBJbmMuMRYwFAYDVQQDEw1U aGF3dGUgU1NMIENBMB4XDTE1MDMwNjAwMDAwMFoXDTE2MDMwNTIzNTk1OVowbTEL MAkGA1UEBhMCS1IxDjAMBgNVBAgTBVNlb3VsMRIwEAYDVQQHFAlKb25nbm8tZ3Ux JjAkBgNVBAoUHVRoZSBDeWJlciBVbml2ZXJzaXR5IG9mIEtvcmVhMRIwEAYDVQQD FAkqLmN1ay5lZHUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCjxcUr cy34+ndoWFSg4oh/IA/zFgd2HVYmoR9HoMPGKFnEAxlfmcqgJWwtnYPeaFlcX3sd h+aSDm9p2s35o15bUrPrkYLg5Q8YvRQMMdSgs6oxmW9rraCZPLsAurb27J7AGuxk PNoGNJavVPNfi7mNG73sSkhI2/rWinocVvAtHOHj9Jih3ORP8xMtXOBZ5A2b+rlm KZXY7py1yDWB6LWY/9t+caWiklsj6ufuviW8+WLH+3ETkxFyVne0l9ueKym4ZtpI tDfHRuKUoJd/r1Jx4/HmL6R45JgnQGrnX6d/GAtmqy1zXDjLE8VXsWyQhtooehf8 PkqQjLnBOgO0K0UHAgMBAAGjggFvMIIBazAUBgNVHREEDTALggkqLmN1ay5lZHUw CQYDVR0TBAIwADByBgNVHSAEazBpMGcGCmCGSAGG+EUBBzYwWTAmBggrBgEFBQcC ARYaaHR0cHM6Ly93d3cudGhhd3RlLmNvbS9jcHMwLwYIKwYBBQUHAgIwIwwhaHR0 cHM6Ly93d3cudGhhd3RlLmNvbS9yZXBvc2l0b3J5MA4GA1UdDwEB/wQEAwIFoDAf BgNVHSMEGDAWgBSnooO7NEVAPfzVME8SuT6hAZ/22zArBgNVHR8EJDAiMCCgHqAc hhpodHRwOi8vdGIuc3ltY2IuY29tL3RiLmNybDAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwVwYIKwYBBQUHAQEESzBJMB8GCCsGAQUFBzABhhNodHRwOi8v dGIuc3ltY2QuY29tMCYGCCsGAQUFBzAChhpodHRwOi8vdGIuc3ltY2IuY29tL3Ri LmNydDANBgkqhkiG9w0BAQUFAAOCAQEAAIBjGA400CP/wJmdpURrqiv4tFdHocK4 qa1aQcEq+tyeaVY4hYCNMLtK2/6EK78a0NQwVcSQnU5+13+7GVoqrp6zkV0Kxheb u3VVuiVSenjdsZZGVQupWwR9l3OCN+tOPPfWCZdOLjg2MGRnIgmyHph3fGbIqGFT NsDm7kux/1Ng3V5UWWMDBiU3QDOqLZpgK4Qu8fukyO943bzEI9EEaAjCa/rT1a/H ssVs29kbaQ8XJ7dt8+AdTb5iGFPwswG+Y6LW+s7YxgNc7Z7sZmrExkPwEhMcSVwK vwsHHaB9aWgAbdnGEe4Bx0CxVmGbmsOXd8grXH7XlVEQEZc+5Pa3Bw== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo8XFK3Mt+Pp3aFhUoOKI fyAP8xYHdh1WJqEfR6DDxihZxAMZX5nKoCVsLZ2D3mhZXF97HYfmkg5vadrN+aNe W1Kz65GC4OUPGL0UDDHUoLOqMZlva62gmTy7ALq29uyewBrsZDzaBjSWr1TzX4u5 jRu97EpISNv61op6HFbwLRzh4/SYodzkT/MTLVzgWeQNm/q5ZimV2O6ctcg1gei1 mP/bfnGlopJbI+rn7r4lvPlix/txE5MRclZ3tJfbnispuGbaSLQ3x0bilKCXf69S cePx5i+keOSYJ0Bq51+nfxgLZqstc1w4yxPFV7FskIbaKHoX/D5KkIy5wToDtCtF BwIDAQAB -----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 47725354566314906819339946608600021405 . . . . . . . . [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 'Thawte, 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 'Thawte SSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-03-06 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-05 23:59:59 +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 2.5.4.8 (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:20|false] TeletexString, T61String 'Jongno-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:20|false] TeletexString, T61String 'The Cyber University 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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:20|false] TeletexString, T61String '*.cuk.edu' . . . . . . . . [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 20674367827022499376556907475453540487393030558804434999686966915274543669887087242684061747224895628489087514737299830642512093358517213317909028985911495129834689115013698303180381472891516233550818947017230819329008018428538749378668990702982776659837426493721678982707073741582680723561290734198240448240136064661764323974414347637671323233440281557264329370724429402241392239759502849874272607801648085896492112700591366104556663762274674466447430754516131629178918370185853889117523625547253460825989104441151205909308374326532103261321777762255852227416962377056846538320523362049103733929370317766270554686727 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.cuk.edu' . . . . . . . . . . . . . . . . [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 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (107 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 'https://www.thawte.com/cps' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'https://www.thawte.com/repository' . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a7a283bb3445403dfcd5304f12b93ea1019ff6db . . . . . . . . . . . . . . . . [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 (36 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://tb.symcb.com/tb.crl' . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (75 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://tb.symcd.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://tb.symcb.com/tb.crt' . . . . [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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