www.helsinkioppii.fi
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:19:4a:4b:b2:4a:f8:b2:46:ec:fd:aa:5e:e1:13:f5:a4:0b was issued on by Let's Encrypt.
With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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=www.helsinkioppii.fi
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:19:4a:4b:b2:4a:f8:b2:46:ec:fd:aa:5e:e1:13:f5:a4:0bSerial Number (int): 357054958810225683341968830059809166697483
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: db:51:92:d1:85:40:e6:86:19:fa:84:2b:51:d4:6f:50:ac:85:2f:5a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 14:46:39:c5:8e:b2:bb:fa:83:95:5f:da:1c:9b:c4:ad:05:7b:fe:28
Fingerprint (sha256): b8:91:90:8c:06:3f:8c:19:c4:ce:56:61:f8:2c:cd:ad:7d:1b:0f:bc:de:31:5a:37:3e:da:62:35:f9:54:9e:d9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.helsinkioppii.fi
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.helsinkioppii.fi
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
digiedu.dev.hel.ninja
helsinkioppii.fi
www.helsinkioppii.fi
helsinkioppii.fi
www.helsinkioppii.fi
Other certificates including the domain name helsinkioppii.fi
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.helsinkioppii.fi in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGiDCCBXCgAwIBAgISBBlKS7JK+LJG7P2qXuET9aQLMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMDMwNzM4MjlaFw0y MDA1MDMwNzM4MjlaMB8xHTAbBgNVBAMTFHd3dy5oZWxzaW5raW9wcGlpLmZpMIIC IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAz5MhKg1k5kYuEKIWlbVCVTvR 7db/7dhH+KGjMF0d6pNtMlSJMT8/yaNdMDz66wQWs5+bvxVeBcFdSOuEFYjP/nZ7 Fbv+d/uWMr02slhHD2205Us4948NBQRdCikqMgaS7SHRmXbu/hdRYmNbggBuYg2S JKFZoJYHQZf5ra80xoeptyyOhEujXYCM7BsOcdDFMIokItCAle87Bp0emS/Xdry1 guDoUWhgDsZG11ykMYIAz/q/WpfkjY1li7Sijz4ftHADm+z/CBWxYqrG9okL2etR rQe1axdPP4q0XdiQNzRfBmKY97xDv2QyQpkjuiG4az/AfRaJWcDsX9T8iJs9ycAk TS1iiCcQ6IWw2aZF1M3qrpGBSztjzXEQrttlND37WfcrfDidfBE36OD9jXpJIJMA TjIIS91MrTseDMD2z0tIxM6w0Vy8AVUPZh5naEWzCYnHCKWcWyxWvq4dY6/34LHw 8dV6Ra4ZPgrtEU9X1yNuWNqmSTeS4lQJ8gy5aaSlPOGTb1WssRX9H2lg5/dLrgrw Bz9ns18l08GcyNeC/PsYIV15d361Kf5wp8pNUdD8Yc0VmG0aaRIxa6y6xB8Yv8EY 6NQeer/e7Dgrae08NeHJ07BtR3kyh60tJVtO6ZUpEBCQDllztlSZaAhGk7X9oYSU khp2o1SWagPkjbPV3isCAwEAAaOCApEwggKNMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQU21GS0YVA5oYZ+oQrUdRvUKyFL1owHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3 pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2Nz cC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2Vy dC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzBIBgNVHREEQTA/ghVkaWdpZWR1LmRl di5oZWwubmluamGCEGhlbHNpbmtpb3BwaWkuZmmCFHd3dy5oZWxzaW5raW9wcGlp LmZpMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYB BQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIE AgSB9ASB8QDvAHYAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFw CjN0WQAABAMARzBFAiAW6gAE8TxIIl0OIKFdYJyaLxqkCWoqUQ8NK1n4WHLraQIh AJOhzqAv/MbB+Tg5OCaM/y2mqslfcFr7SmLu5K+0rzvVAHUAsh4FzIuizYogTodm +Su5iiUgZ2va+nDnsklTLe+LkF4AAAFwCjN0TwAABAMARjBEAiBAg7It6V0IyHbf kD5bKHmGbHoxV4h7DbRs5ogHttMn8gIgaPIgVrV5HtmJ4W5vNzsBEr5EluUHFr1A Ch7NcyuVjOgwDQYJKoZIhvcNAQELBQADggEBAGBsiZaCd/BhPCThTPeCQILb6fUU cn3C8P3zyKajrjPK9OPUx4BEzqDrKOJL/wcvIsJjIAYtBcEhqzjRXo22B94kBTzE lZp81A19JjxstMXSOLMTiS668sYbucz/DgqN5/BeDiINT+C7CxYvbTkquHrkekOd UCfzUe5iFbQkENNrp53+xEuSCPl5TMty1jD9SMrD1y5CCuFwLZ6wW8Cog+1KAXNj 4AENfW4Rug3jkRX72hx0qsPjloGqg6aftfcKVr95XvOcjO+NJbX3WK5Ga/a3PZ+4 06QC2Q+OIHqdq47A/dirtKt+hAmzAHYBwgMjFy8liqcfRZ2MMSnwwwq7iE4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAz5MhKg1k5kYuEKIWlbVC VTvR7db/7dhH+KGjMF0d6pNtMlSJMT8/yaNdMDz66wQWs5+bvxVeBcFdSOuEFYjP /nZ7Fbv+d/uWMr02slhHD2205Us4948NBQRdCikqMgaS7SHRmXbu/hdRYmNbggBu Yg2SJKFZoJYHQZf5ra80xoeptyyOhEujXYCM7BsOcdDFMIokItCAle87Bp0emS/X dry1guDoUWhgDsZG11ykMYIAz/q/WpfkjY1li7Sijz4ftHADm+z/CBWxYqrG9okL 2etRrQe1axdPP4q0XdiQNzRfBmKY97xDv2QyQpkjuiG4az/AfRaJWcDsX9T8iJs9 ycAkTS1iiCcQ6IWw2aZF1M3qrpGBSztjzXEQrttlND37WfcrfDidfBE36OD9jXpJ IJMATjIIS91MrTseDMD2z0tIxM6w0Vy8AVUPZh5naEWzCYnHCKWcWyxWvq4dY6/3 4LHw8dV6Ra4ZPgrtEU9X1yNuWNqmSTeS4lQJ8gy5aaSlPOGTb1WssRX9H2lg5/dL rgrwBz9ns18l08GcyNeC/PsYIV15d361Kf5wp8pNUdD8Yc0VmG0aaRIxa6y6xB8Y v8EY6NQeer/e7Dgrae08NeHJ07BtR3kyh60tJVtO6ZUpEBCQDllztlSZaAhGk7X9 oYSUkhp2o1SWagPkjbPV3isCAwEAAQ== -----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 357054958810225683341968830059809166697483 . . . . . . . . [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 2020-02-03 07:38:29 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-03 07:38:29 +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 'www.helsinkioppii.fi' . . . . . . . . [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 846830994687166618311889966924816754736420151419332363962673389764533173382331250697364304114530249139621077832067385749831059652224491632433241199506450414046157034485616801437771169518928770019725517874830858273462918104377898538257389225668080829983748010285686767623266990193272222981573372702255628649429736699831847988985724075437464570063639046678300365683845840556322408550635008610752844780898371391755886363050872062974784056950635025083715456921044189076753585362967558734010361504116159700034975684848305910415354103707348169005558859849883841105655468689792050889751176845222228720231127060819265358866913120205193280357955437438129625329110213495665923351480428296129368769958579829521424053151875573336909766223391152979846117194785014081651500585820860826455142138974036563355688494826939792390894375880287703514404928753321288103609192903988670466281563504810057657321493988081856921679007214022964836935607143361549244071561040286661974623540037837816918796134512086538201176230677104296088471620357535270643143826821799821954573546369495278752832418603986921691397818009966040411504723167749308531401461828248272230158926513826548106106570775178868160489489187820532530404685302911385583636669131331067588338114091 . . . . . . . . . . . . . . . . . . . . [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) db5192d18540e68619fa842b51d46f50ac852f5a . . . . . . . . . . . . . . . . [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 (65 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'digiedu.dev.hel.ninja' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'helsinkioppii.fi' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.helsinkioppii.fi' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001700a3374590000040300473045022016ea0004f13c48225d0e20a15d609c9a2f1aa4096a2a510f0d2b59f85872eb6902210093a1cea02ffcc6c1f9383938268cff2da6aac95f705afb4a62eee4afb4af3bd5007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001700a33744f000004030046304402204083b22de95d08c876df903e5b2879866c7a3157887b0db46ce68807b6d327f2022068f22056b5791ed989e16e6f373b0112be4496e50716bd400a1ecd732b958ce8 . . . . [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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