sercoop.psu.ac.th
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b8:bf:44:f5:c2:b7:4e:ed:b1:f7:31:c1:bc:4e:d6:b2:e3 was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=sercoop.psu.ac.th
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:b8:bf:44:f5:c2:b7:4e:ed:b1:f7:31:c1:bc:4e:d6:b2:e3Serial Number (int): 324203053916732064115057507318351877550819
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d3:4e:3c:27:d3:7d:2c:4b:61:5e:02:01:cf:2f:03:22:cc:e9:01:d1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): dc:8c:11:f0:18:5d:74:d2:2c:ec:94:1d:33:ac:a0:7f:9b:ed:30:22
Fingerprint (sha256): 0b:83:85:18:7e:af:b7:6a:9f:ce:9a:c3:6d:2c:60:aa:c8:22:48:a0:5d:e7:f4:63:5c:48:88:6d:e0:18:bb:46
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate sercoop.psu.ac.th
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for sercoop.psu.ac.th
Public Key Algorithm
RSA
Key Size
4096
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
sercoop.psu.ac.th
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Certificate
The complete raw certificate details for sercoop.psu.ac.th in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGWjCCBUKgAwIBAgISA7i/RPXCt07tsfcxwbxO1rLjMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMDUxNjQ1NTBaFw0y MDAzMDQxNjQ1NTBaMBwxGjAYBgNVBAMTEXNlcmNvb3AucHN1LmFjLnRoMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtR3bM4RK24SHREbZdMTamwjYG4+2 gwlSWE8fnDr8Ju6DEY90uiF5xrL7qSCrzXIdL8gWlvPSJsxj0mHhsvxhLjB4mgqW AWOjGyMKWgQeI1iO80MNunbHHUtfbBmQ54tYcFbhp+djHkmCE8j+tqesCqvvN39I XrgCjnOgVgxJPyLIgrFtbq+SgMMm8mEgyKZvRXv4apQWsPGQN1kZCE55JzjEqtfA NTd/LAq3ZHJC+mgboKCzfapE7qEpLsKe2Zvwc03XlfJ7mOaKCq+oKrCvqFaIvfMy GZLJgiRTpIcDig9vAF06p0eBdfDSlraaSL4I6bNIrna341/VbLJy9wM7Of67HrQT xakLnlINoeWMRV/ogsR0cIxqNfe221scNMvUtWaAfk4P6krG6i5MNzfcbZkPKZDY u4lAkGkUHPRk3K/x5u4Rc87RR4BVg4Zq7XsOXLaO4KHvZ/Cx6rWYMojp32GqmHiO 48pW84ArqvnvL+hZ92A22VHp2l7DI1ibgBi5wSDBUZIgy+xGP6/R9wTaXAPO+6Hj c8oOCftmoxj7rFj3Js4CVL+BlwYUilSvhtW2iODDrudeGEct/TujwgUIB2zhMaES CAcy0emmUNGB/3HKSz7zD4nlA4Q7cC5Ms15z6iS0Mmx0s3+4OmUHajRZcI/6rRvR YP6208YbSRbiHAUCAwEAAaOCAmYwggJiMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU 0048J9N9LEthXgIBzy8DIszpAdEwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghFzZXJjb29wLnBzdS5h Yy50aDBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkC BAIEgfUEgfIA8AB1AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgiaN9kTAAAB btcrASgAAAQDAEYwRAIgIKFc607UwqU26PW4Q4TJBUS3FapYhgh5bjuHrzoCX6MC IHeDia60Ei1m+wacgGtoY4a+35L071g9TOha9I2XkYMrAHcAB7dcG+V9aP/xsMYd IxXHuuZXfFeUt2ruvGE6GmnTohwAAAFu1ysBKQAABAMASDBGAiEAppthHx4VGO1t mE5gu0H3qCzeQZtRBnM+FrF/IHFi35MCIQCB2sNZuIZdHwhTy1luJYzZxqOlnBgq iawUIVNbsJiyCjANBgkqhkiG9w0BAQsFAAOCAQEAO09kURA0XTCkCCrbMlUIWMkg a6uHP5W4/U1sHuGP40PdKpZ6D2GH0g6Gh/lrcM8TWntev6GTsxuoRB0AqGP75QVN Fo6Wi9gW10GK466TCumGmsOowiEP7y4RhHyVbG29cp3ezqSlHKE1Z7Fj+rvB+6sJ jG2nc0T6KOdEjT33vlIrFzRacM2e0YSFLegFSwul8BrfEf3xJKRdSDE/s70Y+i5r LNKbayIZQpCv1+vXXDH1bdZx15pYP43jhjg9GOyMua1FOFWA/n/+gLNvplfY2Xsg QXIP8O8WQsp1TfbrOHxBBgHmBdVrK1lDiL4/gfyo46lq2cvikoFsu8vXbTSPKw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtR3bM4RK24SHREbZdMTa mwjYG4+2gwlSWE8fnDr8Ju6DEY90uiF5xrL7qSCrzXIdL8gWlvPSJsxj0mHhsvxh LjB4mgqWAWOjGyMKWgQeI1iO80MNunbHHUtfbBmQ54tYcFbhp+djHkmCE8j+tqes CqvvN39IXrgCjnOgVgxJPyLIgrFtbq+SgMMm8mEgyKZvRXv4apQWsPGQN1kZCE55 JzjEqtfANTd/LAq3ZHJC+mgboKCzfapE7qEpLsKe2Zvwc03XlfJ7mOaKCq+oKrCv qFaIvfMyGZLJgiRTpIcDig9vAF06p0eBdfDSlraaSL4I6bNIrna341/VbLJy9wM7 Of67HrQTxakLnlINoeWMRV/ogsR0cIxqNfe221scNMvUtWaAfk4P6krG6i5MNzfc bZkPKZDYu4lAkGkUHPRk3K/x5u4Rc87RR4BVg4Zq7XsOXLaO4KHvZ/Cx6rWYMojp 32GqmHiO48pW84ArqvnvL+hZ92A22VHp2l7DI1ibgBi5wSDBUZIgy+xGP6/R9wTa XAPO+6Hjc8oOCftmoxj7rFj3Js4CVL+BlwYUilSvhtW2iODDrudeGEct/TujwgUI B2zhMaESCAcy0emmUNGB/3HKSz7zD4nlA4Q7cC5Ms15z6iS0Mmx0s3+4OmUHajRZ cI/6rRvRYP6208YbSRbiHAUCAwEAAQ== -----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 324203053916732064115057507318351877550819 . . . . . . . . [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 2019-12-05 16:45:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-04 16:45:50 +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 'sercoop.psu.ac.th' . . . . . . . . [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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 738891368862130178326308226648516220989323562218235310430704475398678135577194408742932085694895655788953366188760405311110096076093430673161518058746306416826932250194020344673275825211975175647384406336432199498889287385198875191846912693802760395432241809043853610198094245252695525514283412592381757889116161850835146296073943987226471964017106549171430064966193799264898040534228476549954612323447392990036790611372616580571402243575366880361411413195865145273692520800383192567885508086430676631768008360696806100924401349486294443983794959231998883501683885811281166060767728923675305568987893343564112146622764892357903950137319365795958300836477941226880899951155483777144678870429553495609308775373159181349654774791472433429071897355789437237627013243838238273129309528628380328884706596580222919681129036750707835760393419646405562262214908173748880284480186664911954918157850205826711955645514004544668707334544223813369134453884530897750725046751353886202725354426712255344053975311584927945639900899002895252670344527248168180025993319636822974943393692570727908210871830777738034519675552145739547096377561169660231194981161945373997392042666782841411937228165229935946453761002631209251433772961873405499844841315333 . . . . . . . . . . . . . . . . . . . . [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) d34e3c27d37d2c4b615e0201cf2f0322cce901d1 . . . . . . . . . . . . . . . . [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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sercoop.psu.ac.th' . . . . . . . . . . . . . . . . [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) 00f00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ed72b01280000040300463044022020a15ceb4ed4c2a536e8f5b84384c90544b715aa588608796e3b87af3a025fa30220778389aeb4122d66fb069c806b686386bedf92f4ef583d4ce85af48d9791832b00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ed72b01290000040300483046022100a69b611f1e1518ed6d984e60bb41f7a82cde419b5106733e16b17f207162df9302210081dac359b8865d1f0853cb596e258cd9c6a3a59c182a89ac1421535bb098b20a . . . . [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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