canvas.ulacit.ac.cr

Issued by R3

About this certificate

This digital certificate with serial number 03:0c:56:9d:d0:ae:60:2d:7d:af:fe:71:98:17:88:5e:ce:f9 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=canvas.ulacit.ac.cr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:0c:56:9d:d0:ae:60:2d:7d:af:fe:71:98:17:88:5e:ce:f9
Serial Number (int): 265535379229132957627616100373492022562553
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e7:84:8f:a0:4a:73:f4:3f:ae:7f:7d:a2:97:b9:41:ec:fb:2e:99:83
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9a:dd:f8:1a:5c:d2:ca:7a:b4:fc:0d:0b:1d:3a:4b:44:b3:27:7f:cd
Fingerprint (sha256): 52:00:e1:1f:e0:7e:b2:37:36:f3:8e:0e:43:dd:01:24:08:bd:7a:79:6b:bb:4a:31:99:69:66:cb:ce:21:c9:5b

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

Revocation information

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

Check the revocation status for certificate canvas.ulacit.ac.cr

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for canvas.ulacit.ac.cr

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

canvas.ulacit.ac.cr

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Certificate

The complete raw certificate details for canvas.ulacit.ac.cr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAonQgRmQtq3KFY8TNY3IS
6PBMJp1YT1j2KHRoWD9PFBdVB1JkTzfpa6xqXpxHe7TNasBmyC50c4pSyHg/bbEu
dsrnw7pS3JaYRO31FBZ+GDtqyxOqU1Wjz393ueEybd4+gyxZq/LhFFhACKbbN8tV
dO0fzdpcii44rE2ln6Xa3zPmVrRpb0L+yf0WdMJOMb1NKbvBMQxumW2zFasrZ5gk
vh+DdTP4JB+UMFdNMmTHRoHtHXVPMU1xvBKNXtwspb429tBqVPpjczTfUEcN1vd+
B5ZivPdfOOxPVHgGiYodIOD0/zHj0ath+rqxdG6oS97evg1QRMi+W+rCOH/ayMpD
2wIDAQAB
-----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 265535379229132957627616100373492022562553
 . . . . . . . . [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 2023-08-08 14:51:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-06 14:51:40 +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 'canvas.ulacit.ac.cr'
 . . . . . . . . [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 20507869305888299607669234076505368109793708789150609565637254421212525254030231944312611386841948539353282814474522476108469194161379027278968152971790684238110436033030908377567381697572157731979061278196414905905890775162880601022629786211209065660866855981331090630208469668008209576429898175484082802523795027886698062370373331804318033698289847714330616670596335403085879546306055206476799178473497042363056525516629356035288335125169810902917501588399798136387414157066809074004474765626987227851120677953299879440434269323795595307077376555629663137335108195501610276092457003219414850162500635623473522820059
 . . . . . . . . . . . . . . . . . . . . [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)
							e7848fa04a73f43fae7f7da297b941ecfb2e9983
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'canvas.ulacit.ac.cr'
 . . . . . . . . . . . . . . . . [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)
							00f0007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189d5d8cace0000040300483046022100b16f7eb7346f61276d7f64460f207fb42600dea6b029fe4287291b32566a4cfa022100d7d3c215d4635850b24350ccff615d818405e7d508e218e59b15fa5fc0a17bfc007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000189d5d8cb7100000403004630440220717445840164e57122b28e38f86bfb42e808ec6a868557c0edf3a68a80d6e8d502201fb96bc6563bcdca03c07d2fbec8208d788bf593df002cd98885b56e0d738b1c
 . . . . [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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