onisys.com.br

Issued by R3

About this certificate

This digital certificate with serial number 03:b4:db:02:fd:cd:1c:d9:3b:60:b7:c2:87:68:0b:ac:62:ee 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=onisys.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b4:db:02:fd:cd:1c:d9:3b:60:b7:c2:87:68:0b:ac:62:ee
Serial Number (int): 322878800304420608245978730369417158091502
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ca:2c:37:bb:7b:c2:db:df:eb:0e:fe:0e:f0:c4:07:4b:8c:55:e9:39
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 15:3a:e1:5f:d0:da:ee:a9:28:f7:e8:dd:ec:7b:9c:8e:f7:07:08:3a
Fingerprint (sha256): a7:4f:35:dc:b9:74:e7:88:b7:08:dd:65:7d:b7:0b:46:97:51:ed:6d:8b:2d:c2:40:ce:be:ea:9a:bf:26:cd:ce

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate onisys.com.br

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for onisys.com.br

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

onisys.com.br

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Certificate

The complete raw certificate details for onisys.com.br in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuR5MHDr4MNzbaSYySWI6
HNDErWYuOcn6LTDp/2OQ6OzayzMdD9LsUbHaPGmnMxRbWfBr01SQoDC5p8wSQpZj
sjRaxON9sMUo0dMBU52RTG5anlWYtQDX5AqXo9laDOq68yDKliA396Kf46iv54uZ
X1kru5Ox/5CP7g6faIg+bpfFHyyV7GKptOLRWC5e00KIS9jxd5oqy5/37IqX1YmF
GjRwGCU/o4msvZQBDvJFNDVYcPsCxOlGHlBbg0HFstOFPMS09xGZO81H+cEptIM0
wOkoJ06cFWtqIAkj96xQ7EcxmT4wfCztlMv8t+snBz1FLRuu/85/JCghc12Fmik7
3wIDAQAB
-----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 322878800304420608245978730369417158091502
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-24 01:14:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-22 01:14:38 +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 'onisys.com.br'
 . . . . . . . . [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 23369026577018894646034334186960628287717711231399841360533243054908532028420700881799644302644244810845622435675882763427602193825121017658914896717470864773483427432867018864811373521193880752912812427519868231985866517928876393159272492193634457770616517444996861128711772171103904229500219464869783363822644146188173589520587442370547195833990526508657074420669358840329235790419918828691497577080190485232920693232227281514870295803455758863350202834495888503957663305555484424849270166607815089083797996472818469880625557183884588513960186206896734137273025169145047641134989510285682582953575620454839053007839
 . . . . . . . . . . . . . . . . . . . . [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)
							ca2c37bb7bc2dbdfeb0efe0ef0c4074b8c55e939
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'onisys.com.br'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b5f7671d40000040300473045022100f2b41e1a9b65e8c10e92d5294febaf5e1dcf15e766af7b065697d063e2113adf02205ff55e6323ca3974843692393d0024470682600f540fb9cce880042c018a36a0007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b5f7671c40000040300473045022100e6e61092f3ea3604b6a28963537d9034a2a9cbaa6f537d6d761d55edd860d9cb022067e1025a39d6156b730de929139fc6f02ec68dee99cd5d72ca7c49be73a7aeae
 . . . . [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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