www.helsinkioppii.fi

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ae:a6:34:54:ed:09:40:25:bb:d2:cc:74:ab:0c:38:c9:72 was issued on by Let's Encrypt.

With 2 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): 03:ae:a6:34:54:ed:09:40:25:bb:d2:cc:74:ab:0c:38:c9:72
Serial Number (int): 320766913208763316565591697473547806493042
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 75:60:cb:b0:8e:b7:91:15:71:51:ef:c2:bc:29:88:29:9b:42:d0:7e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4b:e7:f9:12:86:be:d0:ab:ea:34:26:66:5e:a9:74:d6:3b:d0:d9:18
Fingerprint (sha256): f2:1a:64:58:b8:96:53:e2:a4:f8:fb:ef:63:35:d6:49:dd:3f:06:e3:ce:a9:f2:50:2c:6f:44:0c:5c:b4:f8:9b

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 www.helsinkioppii.fi

2

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

digiedu.dev.hel.ninja
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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 320766913208763316565591697473547806493042
 . . . . . . . . [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 2017-11-14 15:45:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-02-12 15:45:42 +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 690980869219763680046843555680682636154842821508091323615209899061928275787418935032506821658393464126057503506062282449737924594468239482339990753738023488433097583458897068224701270679230523766681980177038563512515956381856498883738934524985444168395600519216707726436685953492281533841323481135664498985264996938638071876611282033361207895386788648286934128275559091125435317644705019511640351079291287934494478201666331336455225882246084233894959385801918265523534237027551978500340117372206223207568267992923284813326115564324256368546502622363134151340089968231157320702595677561328683578494739658417722300617513411672339508567281206467505805112438337079730463520641744706916794439875451559862370121838104611165046840994718119470742636101794766670847191657326645641685896421193144592933435052877145618272570621976522182407248457404604103917410438711635679656053585993019734374650279175049961851179545940466419071708034403578528270116600240929671259925692087693667490868469031433045244796868057475314994681128696573259909871691127003081461695600395669886593452925327243460240180258236093457424121835586780823241445207422020595494522774728979777122153919327904036085248570582065244777104971910905235899961306343818647405956184057
 . . . . . . . . . . . . . . . . . . . . [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)
							7560cbb08eb791157151efc2bc2988299b42d07e
 . . . . . . . . . . . . . . . . [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 (47 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 '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 (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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