liber-lag2012.techlib.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:e1:66:e1:8a:aa:12:ba:bc:73:07:0b:31:a7:ef:91:c2:5c 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=liber-lag2012.techlib.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:e1:66:e1:8a:aa:12:ba:bc:73:07:0b:31:a7:ef:91:c2:5cSerial Number (int): 338037142687302235386045063191405450609244
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6f:1b:cd:64:af:ba:24:69:b5:bf:a2:f1:5c:04:2c:c7:53:02:db:d5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d8:c0:d2:64:69:14:9c:7a:d6:ed:c4:93:f7:f5:d8:b7:2d:7e:14:94
Fingerprint (sha256): 27:9c:85:e9:f0:ba:6a:30:0d:16:c9:c5:e3:10:f0:6b:93:83:eb:a1:25:00:c1:ca:69:31:fd:b9:ce:0d:e5:ff
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate liber-lag2012.techlib.cz
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for liber-lag2012.techlib.cz
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
liber-lag2012.techlib.cz
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Certificate
The complete raw certificate details for liber-lag2012.techlib.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFaDCCBFCgAwIBAgISA+Fm4YqqErq8cwcLMafvkcJcMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMDYyMTAzNTFaFw0y MDAxMDQyMTAzNTFaMCMxITAfBgNVBAMTGGxpYmVyLWxhZzIwMTIudGVjaGxpYi5j ejCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALDBhP9aZuZAc7YrWT27 dhZUr6LYlbXz/lrol5bzNI6WdGnWC/mlxrJ1wsiAM9Xts7gUzjtajNRtP+PwaaOp a89uUWob/cgbY20djt/YgYrkdYx6OiDxFsDiU4gb47o3p/zMWe0EvZLoNBuJKFfw VP3egft6iynIjnBgpafG6YlY2QM3ntzlSDCRf4HWhbOVJEgNihn2NbUa6F/BEBjv d6xydGSEsrqYji1IEyHa6G/1wz3yukKWWJw05S+U6Il3U3gRHnt1GE6JNmnLCoLK CESE9C8DSLx9Ma7VLuXT1miWfQI9c2/fmCWwXonkc9fYjWVkX1YUYRLhr/2XQYm3 fKECAwEAAaOCAm0wggJpMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUbxvNZK+6JGm1 v6LxXAQsx1MC29UwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzAjBgNVHREEHDAaghhsaWJlci1sYWcyMDEyLnRlY2hsaWIu Y3owTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQC BIH1BIHyAPAAdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW2j Ga2eAAAEAwBHMEUCIQCxl0/8bMt8aLIzrdG2P1nPEJ/WrRVPGinIWbcBvHuCDQIg fyhXXnn0tOCPx6cUaPcCuD/54y4jX6QMnpInMJN/WtkAdgApPFGWVMg5ZbqqUPxY B9S3b79Yeily3KTDDPTlRUf0eAAAAW2jGaueAAAEAwBHMEUCIQC1k7mX5SFRD3JA nKvgyuoVght0XER4hZ6uf2r6/w9iigIgfqV0JoXEL5G2Lv1bPswgPZ4wUpNudIAQ 3pKOIahoqgswDQYJKoZIhvcNAQELBQADggEBACO7poRbH6HonX8VkSm1DzjAvATB ZQIHKb9Y0LrCbfmM/eUtgmuurOsMGby0Fj7Hewli0RQWIW5j+Nht6zb9a2dESls+ HV898t6CsYfUtVKSY5DX+lNAiqIWJ0yj4cj3VGpnV4jXHnhFNoKUqHdxcoiP+YRg 5JZe/4Dh82bUocyZ9BgcHyvi9gNMEkb737JXfF23E5B4q7nWZEI9sYm2cQXUsJTN 1ClsPYCeuHhxPwb3cBqn9fXFneFoUtEJL/vXFflZbsZ9hMDa9PbUQfSUK21trUSR ZezOHZ+VfpukC76EkN6DS6t/TUBce7O+obcXIPLA1Kz7vHn6NoaE+rJITh0= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsMGE/1pm5kBztitZPbt2 FlSvotiVtfP+WuiXlvM0jpZ0adYL+aXGsnXCyIAz1e2zuBTOO1qM1G0/4/Bpo6lr z25Rahv9yBtjbR2O39iBiuR1jHo6IPEWwOJTiBvjujen/MxZ7QS9kug0G4koV/BU /d6B+3qLKciOcGClp8bpiVjZAzee3OVIMJF/gdaFs5UkSA2KGfY1tRroX8EQGO93 rHJ0ZISyupiOLUgTIdrob/XDPfK6QpZYnDTlL5ToiXdTeBEee3UYTok2acsKgsoI RIT0LwNIvH0xrtUu5dPWaJZ9Aj1zb9+YJbBeieRz19iNZWRfVhRhEuGv/ZdBibd8 oQIDAQAB -----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 338037142687302235386045063191405450609244 . . . . . . . . [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 2019-10-06 21:03:51 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-04 21:03:51 +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 'liber-lag2012.techlib.cz' . . . . . . . . [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 22313369706670075404591817846408409804455493653243763739106903321082543856790958107463296977238497592284397389861380099847389258509035307406456840572074733358720564233133977880828947031530409714390220622275638509728141206024982218748111125037456137289994777001824655188458299707311979793366788948554022260055001605432011270795302931117975652577883686647427403173123955840107227162058809317657775775121223438931009450201587083097216044458122680302711112893163342208991153514378575141889817195223326257457912817860864398410926651486102098085396432119531198352725189128368917436191398614561042807980887018099651374447777 . . . . . . . . . . . . . . . . . . . . [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) 6f1bcd64afba2469b5bfa2f15c042cc75302dbd5 . . . . . . . . . . . . . . . . [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 (28 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'liber-lag2012.techlib.cz' . . . . . . . . . . . . . . . . [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) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016da319ad9e0000040300473045022100b1974ffc6ccb7c68b233add1b63f59cf109fd6ad154f1a29c859b701bc7b820d02207f28575e79f4b4e08fc7a71468f702b83ff9e32e235fa40c9e922730937f5ad9007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016da319ab9e0000040300473045022100b593b997e521510f72409cabe0caea15821b745c4478859eae7f6afaff0f628a02207ea5742685c42f91b62efd5b3ecc203d9e3052936e748010de928e21a868aa0b . . . . [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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