www.kpgi.or.kr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3a:c9:da:ed:72:48:8d:d8:7f:32:4b:91:c8:82:30:a9:2f 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): 03:3a:c9:da:ed:72:48:8d:d8:7f:32:4b:91:c8:82:30:a9:2f
Serial Number (int): 281341546640548640497321359022601037457711
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5a:72:a9:9e:d3:d7:b5:51:66:e4:12:db:6d:77:52:da:20:68:a9:a7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 39:50:c1:bc:47:be:af:a9:a3:b4:a9:33:da:41:98:e0:76:dc:b1:42
Fingerprint (sha256): 3d:d3:82:64:3b:e1:4f:f1:2d:b0:46:f2:cb:b1:9b:36:10:e6:88:37:06:f9:1f:74:86:6c:96:36:24:de:75:dc

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqrhR8M9roOIkqPOBxogc
YbJ2PvePLbtF6JUS8OFp2zw1tOdDgnPfTnkHg8rf8NyTdGRpC9frIyvrZGqcLz3U
p6ClBGEeWBE4uKfeQw6zfrGa6bsCXHiAVlnrJhX5NAGkY2dqH6StbsghnmKjas8N
xY5k722fVildmSdHkCIwCORcqxVtDPSrZScW2NCGiPW2OfXymrQYHzgyBJgqTZHl
+6CE+bFmvGtLIxQNcZcNbrTw7ojRg/C7yGYrTO0w5PknA0JnBxToHLSYkT6B9/8Y
LTetWagrobb9e99X4yLvNpwxPp7OEms65G3pEx+mk2HwT88T82Lnsx5iRaD8a8Xj
1wIDAQAB
-----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 281341546640548640497321359022601037457711
 . . . . . . . . [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 2019-01-23 00:30:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-23 00:30:09 +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 21551403463611323500832739146025552271778755843734597800161635219507071097299817572350714625156801474658575046524649983110789738968533555503442320727195957252541197126281017530634992869108226566588080193744048153333164650529354115942033580392218383700692499421618792756115555942022984847452852059161813363969945886404774870263968121139346749210556015308653860896751743372399967499506384941993557850862258127179346026834493738177189203604204999725388818222239945551034922622323880614142925588709528421889121363916778007352823761547007939934006205468631298650925981364364309787433231830656093590415916113324448321758167
 . . . . . . . . . . . . . . . . . . . . [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)
							5a72a99ed3d7b55166e412db6d7752da2068a9a7
 . . . . . . . . . . . . . . . . [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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016878542f31000004030047304502201b44726be2c664cae69e3c1a5bd57aca34c9c921696e823aeebd50e05c28ebc6022100daeab9034514344d61709f0da549ae86b0abee74f23612dd7394eaaf28b9d531007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016878542f3a0000040300473045022100f90b48912f5ec84bfc26e20af0facd11bd2255ed8be29fa6fbd1b4d0a5507da90220324fde280c03604dfcf543a9f79fc7da5397c2704ffdbdab5ca2c3741d092f61
 . . . . [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)
		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