www.kpgi.or.kr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:51:07:5a:91:4f:5f:65:ba:b2:34:cc:6e:ec:1d:68:6b:94 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This 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. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.kpgi.or.kr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:51:07:5a:91:4f:5f:65:ba:b2:34:cc:6e:ec:1d:68:6b:94
Serial Number (int): 288909504365802459453209329901599627701140
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7a:8b:1c:9d:6b:b4:ca:ff:4d:d6:ab:50:23:ce:63:45:08:f7:10:70
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 26:09:4c:65:6e:50:d9:6b:8c:2f:fc:f1:5b:37:30:25:f7:4a:43:1e
Fingerprint (sha256): 51:77:41:3c:6f:27:5b:49:4f:a6:43:a3:27:6d:8c:99:11:08:86:8d:9f:90:87:bc:e9:35:19:4e:03:da:1e:48

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.kpgi.or.kr

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.kpgi.or.kr

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 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

kpgi.or.kr
www.kpgi.or.kr

Other certificates including the domain name kpgi.or.kr

(limited to 100 certificates)
www.kpgi.or.kr
kpgi.or.kr
www.kpgi.or.kr
kpgi.or.kr
www.kpgi.or.kr
www.kpgi.or.kr
www.kpgi.or.kr
www.kpgi.or.kr
www.kpgi.or.kr
www.kpgi.or.kr
kpgi.or.kr
www.kpgi.or.kr
www.kpgi.or.kr
www.kpgi.or.kr
kpgi.or.kr
kpgi.or.kr
kpgi.or.kr
www.kpgi.or.kr
kpgi.or.kr
www.kpgi.or.kr
www.kpgi.or.kr
kpgi.or.kr

Certificate

The complete raw certificate details for www.kpgi.or.kr in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwOdQSMLi7Jqfh4W7eo5p
hor3+XpGoj/R86UYZxP3D+fAdW8K/7IZanJRIEtj/v4rH+XOl5O46IvEqoCn+JjU
4rzpBGdk4TOpunNG9AcIApGwQEVOcqaZLXX5HE0GXzvlm5mGfj4WBrY8Z/1aAQp1
xwPnKAurbABBf+rid91Nl4dWitM2e2yWMOk8DknNuXnlpIhRlI9K0B0T45pmNG6Y
fw1NtODHVPuajv5y0Y+CcFvt/lE+ZaNYSUC1/epaoaD86J6yY0dkt5iNLTiUOkFR
glQHef67qpfAUqP76v1z9QKY6oJnzvmy9qMi5nd34VrzBqpSvSLNerhMfEZ66DLt
2wIDAQAB
-----END PUBLIC KEY-----

ASN.1 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 288909504365802459453209329901599627701140
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [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 'Let's Encrypt'
 . . . . . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-11-22 12:25:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-20 12:25:18 +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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.kpgi.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 24351819545957500726713675144938246511487488094759091630044379553927902253867298161562284990590801668875626903293487801157669652461085501325522414055945612364818624161732556851983605821272409289174624323790706377351631985993188167217696157817481300900346029210448209624238413158921494779084877767843802637096235604164732525134563671523660534388388158487848259715221266090616955371550914823263030871764852570422562534917569962078092374691469601443693992607835787379419723738406410906761754326453814371152149188500318088866464782183220047240109335381269492758935191647275275019737030598673924405203671928855724916141531
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							7a8b1c9d6bb4caff4dd6ab5023ce634508f71070
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kpgi.or.kr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kpgi.or.kr'
 . . . . . . . . . . . . . . . . [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 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001673b98a45b000004030047304502202efe19678bd99790ddc26302cbcef4de9974621c38b0a62b7e6eb3215103fee2022100b783490e085df39c95c7cf1de361b693a79be3fc6d5a24cf2ab8a54525a81ba2007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001673b98a2b8000004030047304502202c6267e25ba8c4b940296fec916bb001529a476b6cceb5882877f6e0a262c156022100c26e735c4bd4f44a6133ee3446ef3275cde0f2082a02a3a5898b77a5501fcd1c
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		001b4da3ab6150bde0a8e0f3787b3989cace4211ba8df0b4bb29accf2ef805ef93603764ead773c9b28b35341e73467b98ea3772463d6c948a6560aeddb8db7eadaf579f9ed91f9a44fc5b76bb95dd29544379f6aacb1f153cd75cb757e8f76b2ef9275a485675c32411f6216241ec2472360bb00b1c1f7707399e3c8e0b970d2f27548c8f06cc9437990cbb80cdff6431a350e3d71993da24c6c1fc92338be271e3342b720ecb829069f398fc8dcbf7b595edfca6c776338c0c1cc417400992db6f5dc04fe14a8de38fd3eba6064fdd506a10b3ebd35924c797583d99824d4254a261668a95d00b73284846695961a5dfbb649ec9338ee9bcb2b8a86123146a99