robotics.ssu.ac.kr
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:24:a7:60:e0:d6:9a:13:d0:97:ab:fd:e4:8f:f6:f2:4e:bd was issued on by Let's Encrypt.
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=robotics.ssu.ac.kr
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:24:a7:60:e0:d6:9a:13:d0:97:ab:fd:e4:8f:f6:f2:4e:bdSerial Number (int): 273809507100491287560960342214669608570557
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 1c:36:6d:60:31:77:b1:cd:63:78:56:85:71:c7:b4:a4:fb:f9:76:c6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 3b:d4:c0:7d:83:a8:13:1d:e6:e0:d3:9c:4f:41:28:f4:2c:f3:06:13
Fingerprint (sha256): 9c:32:8f:a9:5c:8d:1b:11:5d:19:f6:cd:82:31:65:09:88:70:00:38:a2:d5:af:b4:bc:24:c4:6a:ea:f6:ab:4b
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate robotics.ssu.ac.kr
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for robotics.ssu.ac.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
robotics.ssu.ac.kr
Other certificates including the domain name ssu.ac.kr
(limited to 100 certificates)
oslab.ssu.ac.kr
ssl-i.nurimedia.net
bksit.ssu.ac.kr
robotics.ssu.ac.kr
ssl-i.nurimedia.net
*.ssu.ac.kr
oasis.ssu.ac.kr
csec.ssu.ac.kr
erclab.kr
oslab.ssu.ac.kr
oasis.ssu.ac.kr
myclass.ssu.ac.kr
oslab.ssu.ac.kr
iphak.ssu.ac.kr
ssl-i.nurimedia.net
*.ssu.ac.kr
anda.ssu.ac.kr
*.ssu.ac.kr
msec.ssu.ac.kr
ss.ssu.ac.kr
sw.ssu.ac.kr
oasis.ssu.ac.kr
tls.automattic.com
oslab.ssu.ac.kr
oslab.ssu.ac.kr
oslab.ssu.ac.kr
tls.automattic.com
ssl-i.nurimedia.net
ssl-i.nurimedia.net
ssudorm.ssu.ac.kr
lleoffice.ssu.ac.kr
robotics.ssu.ac.kr
*.ssu.ac.kr
ssl-i.nurimedia.net
tls.automattic.com
sw.ssu.ac.kr
anda.ssu.ac.kr
sso.ssu.ac.kr
ssl-i.nurimedia.net
ssl-i.nurimedia.net
anda.ssu.ac.kr
*.ssu.ac.kr
*.ssu.ac.kr
tls.automattic.com
lleoffice.ssu.ac.kr
ss.ssu.ac.kr
anda.ssu.ac.kr
ssl-i.nurimedia.net
robotics.ssu.ac.kr
lleoffice.ssu.ac.kr
anda.ssu.ac.kr
oslab.ssu.ac.kr
tls.automattic.com
soc.ssu.ac.kr
ssl-i.nurimedia.net
anda.ssu.ac.kr
anda.ssu.ac.kr
*.ssu.ac.kr
lleoffice.ssu.ac.kr
lleoffice.ssu.ac.kr
soc.ssu.ac.kr
bmil.ssu.ac.kr
oasis.ssu.ac.kr
anda.ssu.ac.kr
oasis.ssu.ac.kr
lle.ssu.ac.kr
anda.ssu.ac.kr
anda.ssu.ac.kr
anda.ssu.ac.kr
job.ssu.ac.kr
*.ssu.ac.kr
oasis.ssu.ac.kr
camp.ssu.ac.kr
ssudorm.ssu.ac.kr
*.ssu.ac.kr
anda.ssu.ac.kr
ssl-i.nurimedia.co.kr
anda.ssu.ac.kr
robotics.ssu.ac.kr
ssl-i.nurimedia.net
camp.ssu.ac.kr
robotics.ssu.ac.kr
anda.ssu.ac.kr
robotics.ssu.ac.kr
educamp.ssu.ac.kr
*.ssu.ac.kr
soc.ssu.ac.kr
robotics.ssu.ac.kr
ssl-i.nurimedia.net
robotics.ssu.ac.kr
sw.ssu.ac.kr
lleoffice.ssu.ac.kr
*.ssu.ac.kr
tls.automattic.com
lleoffice.ssu.ac.kr
oasis.ssu.ac.kr
*.openlink.ssu.ac.kr
bksit.ssu.ac.kr
educamp.ssu.ac.kr
openlink.ssu.ac.kr
ssl-i.nurimedia.net
bksit.ssu.ac.kr
robotics.ssu.ac.kr
ssl-i.nurimedia.net
*.ssu.ac.kr
oasis.ssu.ac.kr
csec.ssu.ac.kr
erclab.kr
oslab.ssu.ac.kr
oasis.ssu.ac.kr
myclass.ssu.ac.kr
oslab.ssu.ac.kr
iphak.ssu.ac.kr
ssl-i.nurimedia.net
*.ssu.ac.kr
anda.ssu.ac.kr
*.ssu.ac.kr
msec.ssu.ac.kr
ss.ssu.ac.kr
sw.ssu.ac.kr
oasis.ssu.ac.kr
tls.automattic.com
oslab.ssu.ac.kr
oslab.ssu.ac.kr
oslab.ssu.ac.kr
tls.automattic.com
ssl-i.nurimedia.net
ssl-i.nurimedia.net
ssudorm.ssu.ac.kr
lleoffice.ssu.ac.kr
robotics.ssu.ac.kr
*.ssu.ac.kr
ssl-i.nurimedia.net
tls.automattic.com
sw.ssu.ac.kr
anda.ssu.ac.kr
sso.ssu.ac.kr
ssl-i.nurimedia.net
ssl-i.nurimedia.net
anda.ssu.ac.kr
*.ssu.ac.kr
*.ssu.ac.kr
tls.automattic.com
lleoffice.ssu.ac.kr
ss.ssu.ac.kr
anda.ssu.ac.kr
ssl-i.nurimedia.net
robotics.ssu.ac.kr
lleoffice.ssu.ac.kr
anda.ssu.ac.kr
oslab.ssu.ac.kr
tls.automattic.com
soc.ssu.ac.kr
ssl-i.nurimedia.net
anda.ssu.ac.kr
anda.ssu.ac.kr
*.ssu.ac.kr
lleoffice.ssu.ac.kr
lleoffice.ssu.ac.kr
soc.ssu.ac.kr
bmil.ssu.ac.kr
oasis.ssu.ac.kr
anda.ssu.ac.kr
oasis.ssu.ac.kr
lle.ssu.ac.kr
anda.ssu.ac.kr
anda.ssu.ac.kr
anda.ssu.ac.kr
job.ssu.ac.kr
*.ssu.ac.kr
oasis.ssu.ac.kr
camp.ssu.ac.kr
ssudorm.ssu.ac.kr
*.ssu.ac.kr
anda.ssu.ac.kr
ssl-i.nurimedia.co.kr
anda.ssu.ac.kr
robotics.ssu.ac.kr
ssl-i.nurimedia.net
camp.ssu.ac.kr
robotics.ssu.ac.kr
anda.ssu.ac.kr
robotics.ssu.ac.kr
educamp.ssu.ac.kr
*.ssu.ac.kr
soc.ssu.ac.kr
robotics.ssu.ac.kr
ssl-i.nurimedia.net
robotics.ssu.ac.kr
sw.ssu.ac.kr
lleoffice.ssu.ac.kr
*.ssu.ac.kr
tls.automattic.com
lleoffice.ssu.ac.kr
oasis.ssu.ac.kr
*.openlink.ssu.ac.kr
bksit.ssu.ac.kr
educamp.ssu.ac.kr
openlink.ssu.ac.kr
Certificate
The complete raw certificate details for robotics.ssu.ac.kr in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGDjCCBPagAwIBAgISAySnYODWmhPQl6v95I/28k69MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA3MTAwMjMxMDZaFw0x ODEwMDgwMjMxMDZaMB0xGzAZBgNVBAMTEnJvYm90aWNzLnNzdS5hYy5rcjCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAM29aGg+K0Mf5kEew/ezBWdJCFTS ZBflTRW7oMcy7GsWb1hIdjmxL8LccULY9E3zWPT/75pKAnhXmCNpT97SLnLpc0gm yh735JBS6aiMJktoMwyWXaXsbYIkfZkE8d2/fhfFgUzmZ1bdeWS3I1ro79j795Pw aRXBbtx0Bm5fFJkFpjzQM9Vljh6ENTxHu/SRlPlvkzEtj1A1naXvf5hazcX9FiyD SrnnIM5Z0N/VgsmXrzWhkAtOW2YDjYCRAwWZcM5nOKYwFMMvoVd6fD6hwCNtJmYN G3E18rKvt81HaU5DXA+4uyEM6Zjn6bDl/3xKXjh5fvxJzRO3SDBq6BqrwSUCAwEA AaOCAxkwggMVMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUHDZtYDF3sc1jeFaFcce0 pPv5dsYwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUH AQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5 cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5 cHQub3JnLzAdBgNVHREEFjAUghJyb2JvdGljcy5zc3UuYWMua3Iwgf4GA1UdIASB 9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpo dHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlz IENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcg UGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmlj YXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBv c2l0b3J5LzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1ACk8UZZUyDlluqpQ/FgH 1Ldvv1h6KXLcpMMM9OVFR/R4AAABZII+HnoAAAQDAEYwRAIfVvE3wq9EXvWkEmiT pXYhX2mxOQ07ycmnyhgSaatMdwIhAI7u7ut7UxVY3dx1NF1zFiD6QYHfokjt7BKt N322OeBpAHYAVYHUwhaQNgFK6gubVzxT8MDkOHhwJQgXL6OqHQcT0wwAAAFkgj4h dAAABAMARzBFAiEA9HbWYDRCIjEtW/MWsMsIKY9BfF7MzS5l1mQik3Fc1JwCICCI EX31zg5/TtP76076zABY4W8YAsZaPnp17HpyGORLMA0GCSqGSIb3DQEBCwUAA4IB AQAGpMn9pZ9lGI9+k/xYpBi99XFhedaAIwM/8CMB0OwX79rci6h5TDpAGuA6X+/J pebwOFbJvWOQosM6RHk72RYQ+xz9vCtISfCwJNWCzwIPKLBL1J9XyFA6pxxAgu9D NgGOfDa48zRB4mbBh5Z/uaaESc2j8OOJqt3mRD9X+h9BjmpVPSpJEulXngW3NZ5p TzMCCUVIhYKjtuqN11bITsGWqCtXsHQ+n3aGXcJVvBRYrDhGelCUiCNkhVPV22h0 J+NYxUl+FY9touiaiMzV+RbvYQUdCnvzy5X+7YREPZT4/lgSUNZssiim+4Z3kL3U JgWW1dhkazjo43rZI4SHBdf1 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzb1oaD4rQx/mQR7D97MF Z0kIVNJkF+VNFbugxzLsaxZvWEh2ObEvwtxxQtj0TfNY9P/vmkoCeFeYI2lP3tIu culzSCbKHvfkkFLpqIwmS2gzDJZdpextgiR9mQTx3b9+F8WBTOZnVt15ZLcjWujv 2Pv3k/BpFcFu3HQGbl8UmQWmPNAz1WWOHoQ1PEe79JGU+W+TMS2PUDWdpe9/mFrN xf0WLINKuecgzlnQ39WCyZevNaGQC05bZgONgJEDBZlwzmc4pjAUwy+hV3p8PqHA I20mZg0bcTXysq+3zUdpTkNcD7i7IQzpmOfpsOX/fEpeOHl+/EnNE7dIMGroGqvB JQIDAQAB -----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 273809507100491287560960342214669608570557 . . . . . . . . [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 2018-07-10 02:31:06 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-10-08 02:31:06 +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 'robotics.ssu.ac.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 25972253005335387193539828031049341211067155583460851129117568651263897911974902235997053529222678799337660746002214263927006917333541062232378098730049585154406715052895391398453535908726030215495597156351755201659954637727093765751217948420115446410900835212947568565261880546628765491462118083908435414412561351817291009280600538517934004120334186623584349100820180437523745172268386274032503996062755535820397698033919745940391746992913700734228526118173950546928474938243319401392183514941908110023283455087032357904912308887901015559636969962443835092519991370652581640140526338444556029663921458313354025877797 . . . . . . . . . . . . . . . . . . . . [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) 1c366d603177b1cd6378568571c7b4a4fbf976c6 . . . . . . . . . . . . . . . . [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 (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'robotics.ssu.ac.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000164823e1e7a0000040300463044021f56f137c2af445ef5a4126893a576215f69b1390d3bc9c9a7ca181269ab4c770221008eeeeeeb7b531558dddc75345d731620fa4181dfa248edec12ad377db639e0690076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c00000164823e21740000040300473045022100f476d660344222312d5bf316b0cb08298f417c5ecccd2e65d6642293715cd49c02202088117df5ce0e7f4ed3fbeb4efacc0058e16f1802c65a3e7a75ec7a7218e44b . . . . [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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