kosta.or.kr

Issued by EssentialSSL CA

About this certificate


This digital certificate with serial number 96:d2:51:74:ce:fa:c9:a6:05:a7:1a:e3:17:b8:22:34 was issued on by COMODO CA Limited .

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: Certificate contains a key usage different from ServerAuth, ClientAuth or ServerGatedCrypto

kosta.or.kr

Organization unit: Domain Control Validated
Organization unit: EssentialSSL

COMODO CA Limited

Organization: COMODO CA Limited

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 96:d2:51:74:ce:fa:c9:a6:05:a7:1a:e3:17:b8:22:34
Serial Number (int): 200476233837731537913860602189053436468
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: d3:d6:09:e2:d0:fd:f3:bf:8d:e1:c7:51:09:93:3a:4f:5a:54:e4:7e
AuthorityKeyId: da:cb:ea:ad:5b:08:5d:cc:ff:fc:26:54:ce:49:e5:55:c6:38:f4:f8

Fingerprint (sha1): 79:36:87:16:48:c3:e7:a1:47:e0:dd:d1:55:4d:6b:0d:90:cb:61:0d
Fingerprint (sha256): 8a:a1:c1:fa:e3:fe:57:16:8c:85:4d:2b:15:b2:ca:ed:80:77:6a:6e:00:b2:58:9a:59:c5:81:55:76:9c:5a:1a

Issuing Certificate URL: http://crt.comodoca.com/EssentialSSLCA_2.crt

Revocation information

OCSP Server: http://ocsp.comodoca.com
CRL Distribution Point: http://crl.comodoca.com/EssentialSSLCA.crl

Check the revocation status for the current certificate on kosta.or.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
Microsoft Server-Gated Cryptography
Netscape Server-Gated Cryptography

Extensions

9 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

kosta.or.kr
www.kosta.or.kr

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFDjCCA/agAwIBAgIRAJbSUXTO+smmBaca4xe4IjQwDQYJKoZIhvcNAQEFBQAw cjELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxGDAWBgNV BAMTD0Vzc2VudGlhbFNTTCBDQTAeFw0xNDAyMTgwMDAwMDBaFw0xNTAyMTgyMzU5 NTlaMFAxITAfBgNVBAsTGERvbWFpbiBDb250cm9sIFZhbGlkYXRlZDEVMBMGA1UE CxMMRXNzZW50aWFsU1NMMRQwEgYDVQQDEwtrb3N0YS5vci5rcjCCASIwDQYJKoZI hvcNAQEBBQADggEPADCCAQoCggEBAJXZx9U6tWHdgRR4R3kDgb0y7mlANEc2ixI+ bTbYjUkxScyCjpWvey9bKtKz074RKGcJCDVw1QPD31WiQaTmNSwKTF4e9KFw7A59 G82iHbM3Iolem5DgQ5uSUuSf8tOExMjwI+gYeOt2u8p5BjffMHxWMQgw0dsuBoPx GkwZSxnygOCAwtkVHIgNL5UtWCIfjp0UWGB1oRRosnmOwtBC9m+5BMdNqcLf2Pe9 fuIEnxmHuL9OxvP5SU2Nb587OWMVXeFdllD3bnJhgtkZayb0IgiLMMR8HoxCBcgV LR7L+biSbDC9oeAJWUoFd50NYT865okXHQz+x9JHFsh+G2/uYQcCAwEAAaOCAb8w ggG7MB8GA1UdIwQYMBaAFNrL6q1bCF3M//wmVM5J5VXGOPT4MB0GA1UdDgQWBBTT 1gni0P3zv43hx1EJkzpPWlTkfjAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIw ADA0BgNVHSUELTArBggrBgEFBQcDAQYIKwYBBQUHAwIGCisGAQQBgjcKAwMGCWCG SAGG+EIEATBPBgNVHSAESDBGMDoGCysGAQQBsjEBAgIHMCswKQYIKwYBBQUHAgEW HWh0dHBzOi8vc2VjdXJlLmNvbW9kby5jb20vQ1BTMAgGBmeBDAECATA7BgNVHR8E NDAyMDCgLqAshipodHRwOi8vY3JsLmNvbW9kb2NhLmNvbS9Fc3NlbnRpYWxTU0xD QS5jcmwwbgYIKwYBBQUHAQEEYjBgMDgGCCsGAQUFBzAChixodHRwOi8vY3J0LmNv bW9kb2NhLmNvbS9Fc3NlbnRpYWxTU0xDQV8yLmNydDAkBggrBgEFBQcwAYYYaHR0 cDovL29jc3AuY29tb2RvY2EuY29tMCcGA1UdEQQgMB6CC2tvc3RhLm9yLmtygg93 d3cua29zdGEub3Iua3IwDQYJKoZIhvcNAQEFBQADggEBAGrbNJzj3Wl+t4cje0HD 2vBH5rMSh0OfXjFNJRUKheYiygrGzpGctTeXkRyI4cbjqVb9uEuR8pPB0N6vqZA4 /v+pdWiMWpBQQkFl3s0iZmVAzulWnd6NyP4or2BQMmEDdO+HP4svzGE2G3ez1rci rHQ135FwQqHo0C5GPrky3DR/SXsPqnNrrAenMDFNX0rqmyyf8tU3NLAJVXdgycQG vATTjDOST8MbhJa0hin+iCAOhjE+O+vYjQFe2uvbSaOYvejIIGtwkRsydEoxyoZu KhZbyyCwfLGxKHljZkuhl2DET7i1gbEFZMyJZZCw60bG5rUKxexVEvUug/TnEN72 YkE= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAldnH1Tq1Yd2BFHhHeQOB vTLuaUA0RzaLEj5tNtiNSTFJzIKOla97L1sq0rPTvhEoZwkINXDVA8PfVaJBpOY1 LApMXh70oXDsDn0bzaIdszciiV6bkOBDm5JS5J/y04TEyPAj6Bh463a7ynkGN98w fFYxCDDR2y4Gg/EaTBlLGfKA4IDC2RUciA0vlS1YIh+OnRRYYHWhFGiyeY7C0EL2 b7kEx02pwt/Y971+4gSfGYe4v07G8/lJTY1vnzs5YxVd4V2WUPducmGC2RlrJvQi CIswxHwejEIFyBUtHsv5uJJsML2h4AlZSgV3nQ1hPzrmiRcdDP7H0kcWyH4bb+5h 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 200476233837731537913860602189053436468 . . . . . . . . [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 'GB' . . . . . . . . . . . . [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 'Greater Manchester' . . . . . . . . . . . . [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 'Salford' . . . . . . . . . . . . [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 'COMODO CA Limited' . . . . . . . . . . . . [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 'EssentialSSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-02-18 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-02-18 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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated' . . . . . . . . . . . . [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 'EssentialSSL' . . . . . . . . . . . . [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 'kosta.or.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 18916899055046865831724424167247712818450281240274946118172058401237944085659595881613693676472277961286909387419130836797474429340483583552224213330818659874370009696043619824171860902777034119453889371686178106808993879986786057095895989326146857600048995790085566972612833816722805682662038829168267813319942831438872067544987589828131312668132563151741378988492958941158794761703180444256153860181810979025777444080269626133303310301945636969615191263270853170537939283001614930815575102002358031744892037605886842351954865662724858744456703054034048863154137159734876218813883855428966070081089710790855296442631 . . . . . . . . . . . . . . . . . . . . [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 dacbeaad5b085dccfffc2654ce49e555c638f4f8 . . . . . . . . . . . . . . . . [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) d3d609e2d0fdf3bf8de1c75109933a4f5a54e47e . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (45 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:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.311.10.3.3 (serverGatedCrypto) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113730.4.1 (serverGatedCrypto) . . . . . . . . . . . . . . . . [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 (72 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://secure.comodo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [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 (52 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://crl.comodoca.com/EssentialSSLCA.crl' . . . . . . . . . . . . . . . . [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 (98 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.comodoca.com/EssentialSSLCA_2.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://ocsp.comodoca.com' . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kosta.or.kr' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kosta.or.kr' . . . . [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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