caslin2013.techlib.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:3a:dd:c1:2b:70:dc:28:dc:9f:5a:1d:fd:8c:01:4b:d1:e8 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=caslin2013.techlib.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:3a:dd:c1:2b:70:dc:28:dc:9f:5a:1d:fd:8c:01:4b:d1:e8Serial Number (int): 281367997458142637710064540189306468946408
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 48:21:81:7e:a0:9b:bb:0a:05:8e:77:fb:e4:3b:2c:0d:9c:af:a2:26
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d1:0a:91:34:7b:63:8d:92:61:67:1c:49:da:74:a0:b6:12:59:79:f3
Fingerprint (sha256): 1a:32:da:23:fa:c2:10:45:32:63:a4:4f:50:7d:26:49:78:1d:13:fb:46:0d:42:b2:aa:a4:3b:bc:1d:16:9f:3c
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 caslin2013.techlib.cz
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for caslin2013.techlib.cz
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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
caslin2013.techlib.cz
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Certificate
The complete raw certificate details for caslin2013.techlib.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGDjCCBPagAwIBAgISAzrdwStw3Cjcn1od/YwBS9HoMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzAzMzEyMTAyMDBaFw0x NzA2MjkyMTAyMDBaMCAxHjAcBgNVBAMTFWNhc2xpbjIwMTMudGVjaGxpYi5jejCC AiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAKsQSsscJXle8hsCJjneve+4 MnJS/SjrrNr8AA8TTTXbgcCYBaqMB3AMf7eV81psCPYcWo8JN2rL3dgpL1x8aANN lwTPdcys3bsUh6ISfMZ+FgBC7qNFM1S7dLPeHDDUt7Z+8EsSroPB8vD1zh6S3ZwN meKJaGu66PR0LC03gOibhQ4j7BsWY4JWq9GIxtgUsp5W9P8oIewYwPMHOaKjl3VK U0dfGt+BIWRoUw8Wvf+c8ntBrlylIHq6vwzhmriFkFtbCjpnxeA5h/anhMVArUnB r8iDrpwGkjffESHEBUsPnibU4VfCQCuXuacyboRZ34MXyRxXFcnozAdmjKahp3nj dfmvsLizfi9oGYj5TnrPNaNTieuhLfmHlXLt/ckwS2VgXJYLZnyyJ60yW9QfzBnz L0COX2La4n2etaYfJF31khEXEzQ7dHSdWNClgqIW9v00IFaerK/61wREruC7pFgm swnsnV7lKHen03nPUk7WxEg4CSnCGjEzYbfmRK9bITODu86j5ru422yYh1BVeKIi yfJNyzu7gu4s37SK660/4+3sjaV4BxwCMhReHzOvJo4GF6p3vMPpB9iZYU/nWNag ZqUfRgner5l1EdRflT3wO/D2pafZDjkRcxbyEJ0NNc5qd7sFO+Z+U1WFqDM3T3Z1 3JrWCj5eXsN2VbMyL8CjAgMBAAGjggIWMIICEjAOBgNVHQ8BAf8EBAMCBaAwHQYD VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O BBYEFEghgX6gm7sKBY53++Q7LA2cr6ImMB8GA1UdIwQYMBaAFKhKamMEfd265tE5 t6ZFZe/zqOyhMHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYjaHR0cDovL29j c3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6Ly9j ZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMCAGA1UdEQQZMBeCFWNhc2xpbjIw MTMudGVjaGxpYi5jejCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC 3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3Jn MIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUg cmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29y ZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBz Oi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IB AQCVD1xo7PFaHgMsdFXQAdpJxMmA8dPoC21YcNNvx3eO6gxOz2tkillZt3RNaCBX RDSrBCQTfU9zteSbRZUjmJDAh/yEiEIk9GEzpWUwbVPySJ/Hrrib6itxhWojo7zc hCpVqua2kmor4rXYVgwU5UW5Tf0BBXOON2nGWo7nWfFTGL0H1sxiHsqcrgrVT1fR eTHgxsek3Ajpe1tjE8Orp4LPf+NdrIKwGtszYXBTBJTnr4Hk/EQ3np53k5brPAjy 3momxWSk0rdj9dDh/lukA01CReXijoeeRspzf8wW5QIgrEzXK6K91/2S1NbYBPuF kOZK56E+FojCyY2yepmz60jY -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqxBKyxwleV7yGwImOd69 77gyclL9KOus2vwADxNNNduBwJgFqowHcAx/t5XzWmwI9hxajwk3asvd2CkvXHxo A02XBM91zKzduxSHohJ8xn4WAELuo0UzVLt0s94cMNS3tn7wSxKug8Hy8PXOHpLd nA2Z4oloa7ro9HQsLTeA6JuFDiPsGxZjglar0YjG2BSynlb0/ygh7BjA8wc5oqOX dUpTR18a34EhZGhTDxa9/5zye0GuXKUgerq/DOGauIWQW1sKOmfF4DmH9qeExUCt ScGvyIOunAaSN98RIcQFSw+eJtThV8JAK5e5pzJuhFnfgxfJHFcVyejMB2aMpqGn eeN1+a+wuLN+L2gZiPlOes81o1OJ66Et+YeVcu39yTBLZWBclgtmfLInrTJb1B/M GfMvQI5fYtrifZ61ph8kXfWSERcTNDt0dJ1Y0KWCohb2/TQgVp6sr/rXBESu4Luk WCazCeydXuUod6fTec9STtbESDgJKcIaMTNht+ZEr1shM4O7zqPmu7jbbJiHUFV4 oiLJ8k3LO7uC7izftIrrrT/j7eyNpXgHHAIyFF4fM68mjgYXqne8w+kH2JlhT+dY 1qBmpR9GCd6vmXUR1F+VPfA78Palp9kOORFzFvIQnQ01zmp3uwU75n5TVYWoMzdP dnXcmtYKPl5ew3ZVszIvwKMCAwEAAQ== -----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 281367997458142637710064540189306468946408 . . . . . . . . [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 2017-03-31 21:02:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-06-29 21:02:00 +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 'caslin2013.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 697878769306765587395238000716654450288338668525757169659653278725451605817198310623016108745883591540744663601611558823326160999343661721206338277899378209602169203211565956086504515739590089004864585378019610460475004464092430050679759522287389458021659569201407667737777547341573557442849764803971098594550876370731078471576453726531838556253935729128130988291425080530786138139797014757684943466232108501572286630418288852924311780892989889943216828599782153640169035152976009687134398786441561072868064517857141165095218333356303230178546096129073589081231588410313267699629906984981815403188604801534084593992831697086496095307142386515288637377510226506450796366805401169022093430350059134531217339929245818708630944069116115502275077537069810866711443134990024647259348859474314260965385191204460240929848809485587343159443280977581642416732143369081175153888376875158518945785907667413472793941967243604285955825548521653198977325971327284107065514575188071784253601061367275127450463390955558960941233229696500542038545159064813958938415469110574394495368688460332120148649875161223638210814185009059491586005858471501400815896161672154987008170044508141726239121538530362746816362352403382831692534767819677565562181894307 . . . . . . . . . . . . . . . . . . . . [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) 4821817ea09bbb0a058e77fbe43b2c0d9cafa226 . . . . . . . . . . . . . . . . [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 (100 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 (25 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'caslin2013.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 (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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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