anda.ssu.ac.kr
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:5b:4a:c8:c1:fc:81:08:e0:53:f8:0f:27:56:21:38:48:93 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=anda.ssu.ac.kr
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:5b:4a:c8:c1:fc:81:08:e0:53:f8:0f:27:56:21:38:48:93Serial Number (int): 379514244382416662257182836904054968830099
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 39:93:b7:1d:89:a8:7a:41:7f:fc:34:a2:7c:f6:30:57:cf:98:1d:05
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 18:39:6f:b9:83:33:2d:68:31:52:91:49:2e:99:bd:df:3b:b5:f8:5c
Fingerprint (sha256): 97:6d:2e:d3:f5:44:fa:4f:68:9d:d1:61:58:6d:27:e7:99:14:60:f8:a9:85:0e:07:34:3c:e1:1f:7f:3c:54:59
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate anda.ssu.ac.kr
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for anda.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
anda.ssu.ac.kr
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Certificate
The complete raw certificate details for anda.ssu.ac.kr in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFVDCCBDygAwIBAgISBFtKyMH8gQjgU/gPJ1YhOEiTMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEyMjYxNzE1MjNaFw0x OTAzMjYxNzE1MjNaMBkxFzAVBgNVBAMTDmFuZGEuc3N1LmFjLmtyMIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsMh+4qdRBbAvgYVS1j5ptrdH/hW9MpOs 9/5xrZjKzrJcT3ScmMVEfy6I5r2rsB5fdC8Buhb7c5D0UMBSdZT3TFbrjDbmOrGG 7/2qHIGa889y/Mkhwtac96Fowx/obfqu7KGa4AAeIGk9ujJTlGBdSUHDl3hv8Bg1 S/m63Fa2kCpnkR+iRQhpW+CjRLwTFEIMKgBFHKO5sPGy+ePyr7bcDCww+agTxRnk fqDZ+MkVG5MEzXsIDz9fhHFA1KdpkmAHw7WenGK2v79IiI83xGlWoWLmJuJ0EMJf Hr4wA+Uu5xG33rnReW3OoW4/LaMt1S8T5X/eSSQ4gwjVvnTLeUZkxwIDAQABo4IC YzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQ5k7cdiah6QX/8NKJ89jBXz5gd BTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRj MGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5v cmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5v cmcvMBkGA1UdEQQSMBCCDmFuZGEuc3N1LmFjLmtyMEwGA1UdIARFMEMwCAYGZ4EM AQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHcA4mlLribo6UAJ 6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFn67px5wAABAMASDBGAiEApLQZtgKh /vdDW96tAWTZC25Kk7uayfIl4WWk8qzvorECIQD0hCgl01V9jeNBpd/rkFCmBufn 5ZfQT9MCYVzldPIb5gB1AGPy283oO8wszwtyhCdXazOkjWF3j711pjixx2hUS9iN AAABZ+u6cdwAAAQDAEYwRAIgE3s5q/AmiDpTjgQXjKRwDeR5eTrPsSwAQ3/A/L2y RWACIAP41rktsQoH/qO599y1ehjXBeRDO3vghs31HIGIYDkwMA0GCSqGSIb3DQEB CwUAA4IBAQCSZ3XWBpQiNBld1Pr873bTmbX64i3FPfhTuUi4SDORusbJfbQt+tyk 0wpNc+Cch4+kiQvFRgMEcG6IVi8jVlqlPZg3A/cAIVRsBvulNREVnHYzH6gKjlpf ZYmPSrVwwrTVY7/SdnxIDDNQFKa3KopjFX+fHLkgxYxabpaPRDryto4ad/hpVeT4 LjYQ/7VO5jYupVVEBL/+deX6dAT8F/H5IX0G3bWCBDWuiJAONDOfnB4Mi0YFBFi8 4PCTivEOU9bbNk55qUy28ZMjGSIeckVh8HtlVchLtgsz0OM7XVUHTUZrE2LKQC+y /QKZZsO7/sK/zgrzFnj4ytXLPpJ5eimY -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsMh+4qdRBbAvgYVS1j5p trdH/hW9MpOs9/5xrZjKzrJcT3ScmMVEfy6I5r2rsB5fdC8Buhb7c5D0UMBSdZT3 TFbrjDbmOrGG7/2qHIGa889y/Mkhwtac96Fowx/obfqu7KGa4AAeIGk9ujJTlGBd SUHDl3hv8Bg1S/m63Fa2kCpnkR+iRQhpW+CjRLwTFEIMKgBFHKO5sPGy+ePyr7bc DCww+agTxRnkfqDZ+MkVG5MEzXsIDz9fhHFA1KdpkmAHw7WenGK2v79IiI83xGlW oWLmJuJ0EMJfHr4wA+Uu5xG33rnReW3OoW4/LaMt1S8T5X/eSSQ4gwjVvnTLeUZk xwIDAQAB -----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 379514244382416662257182836904054968830099 . . . . . . . . [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 2018-12-26 17:15:23 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-26 17:15:23 +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 'anda.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 22316809761912881588191884658903633117723674771186868775206913599682718844791549975241448362960576714757843925906133674144061800915529113087740178124484782208419205756677726916217031257675400028162444563599481970848344880982242284093709846255691457733735791842675639789071144435509329649035951047854227252443702245893385458274636026568581283184642636075694053255450361764282594394485470476629058076390389560575168838493717556252228406843794708425792725008601888324399746867193377502626296780811644344001616862498387752064688910320741804431196089274447676151072196570449920095216660658629240182461436054102514510226631 . . . . . . . . . . . . . . . . . . . . [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) 3993b71d89a87a417ffc34a27cf63057cf981d05 . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'anda.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 (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) 00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000167ebba71e70000040300483046022100a4b419b602a1fef7435bdead0164d90b6e4a93bb9ac9f225e165a4f2acefa2b1022100f4842825d3557d8de341a5dfeb9050a606e7e7e597d04fd302615ce574f21be600750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000167ebba71dc00000403004630440220137b39abf026883a538e04178ca4700de479793acfb12c00437fc0fcbdb24560022003f8d6b92db10a07fea3b9f7dcb57a18d705e4433b7be086cdf51c8188603930 . . . . [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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