cirg.cs.up.ac.za

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:fa:1d:3d:26:40:9a:76:04:05:79:49:5b:07:37:2c:33:5f was issued on by Let's Encrypt.

With 7 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=cirg.cs.up.ac.za

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fa:1d:3d:26:40:9a:76:04:05:79:49:5b:07:37:2c:33:5f
Serial Number (int): 346446314643351459693940935781858411295583
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 13:25:13:51:fb:cd:e5:b0:07:c5:ff:cd:7e:2e:9b:72:49:05:1d:cc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b0:49:fd:1c:2c:fe:6c:f5:48:c4:55:c5:43:cc:25:c2:d2:97:51:df
Fingerprint (sha256): 06:3d:7a:91:64:75:13:1c:28:d9:81:b2:9f:f9:3b:0f:f4:64:3c:13:36:67:7f:33:6b:00:d0:80:8f:a3:fa:66

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 cirg.cs.up.ac.za

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cirg.cs.up.ac.za

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

cirg.cs.up.ac.za
cloud.cs.up.ac.za
csedar.cs.up.ac.za
ftp.cs.up.ac.za
infpostgrad.cs.up.ac.za
inlpostgrad.cs.up.ac.za
javagently.cs.up.ac.za

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visitor-test.up.ac.za
prod.28.slot.cdn.salesforce-communities.com
eu-central-1-san1.blackboard.com
cs.up.ac.za
enterprises.up.ac.za
www.certivox.com
prod.28.slot.cdn.salesforce-communities.com
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visitor-test.up.ac.za
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innopac.up.ac.za

Certificate

The complete raw certificate details for cirg.cs.up.ac.za in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwuvMJOV7TmIGYyYWjQDf
rY1Vytns8uHId22fvkLoD89mfDYCtmHtG2/ijvKJbTuEx1KZx/BCLyPNBQ8x9Smn
W3ALpp88t7axatgZKCZR/8kN0aL9WTTVjLn7DE5fOEugq6fb4SlATpWGJQhFuhhV
m2SdawyUMQ9CWTTY2/iOpAjfBNr3rNEN19RDaJGeClPCkg4z9/+XyXeEEfiBhAhN
DNE/AJBKyRO6zJqbaV5CMZJcHO/+HcFqVct79gBWZuNU8IiKN8+u+5e5hGjzxTXx
JHSH5Zbz8xe5udLll9R9NA1v17SZXlSpkFDcKDLsLBrCpSBYOaMrS6bJ/RHUZupO
5QIDAQAB
-----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 346446314643351459693940935781858411295583
 . . . . . . . . [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 2019-03-03 14:32:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-01 14:32:27 +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 'cirg.cs.up.ac.za'
 . . . . . . . . [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 24606507213758243844612531122540872280011739392378784102476300171608275765467798053369017189140331673205159435924205486642161666159723498820517993887004990608099968438342549621068163005279349948602903192269868442728527204979608652157134476811488966431393239626786732691379081044633000294121186691269687149573912928753779652089561177154189355428345866022560774264359835955693994144321846230511686842315853681849877329330277122277729018473310113936989838275344582794050785093273261568710180499866335720079272857775234803004591435151617308239376395027302299040823883667243828487827951233023573703824321741986407253692133
 . . . . . . . . . . . . . . . . . . . . [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)
							13251351fbcde5b007c5ffcd7e2e9b7249051dcc
 . . . . . . . . . . . . . . . . [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 (151 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cirg.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cloud.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'csedar.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ftp.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'infpostgrad.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'inlpostgrad.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'javagently.cs.up.ac.za'
 . . . . . . . . . . . . . . . . [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)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169442f5b5a0000040300473045022100846df6af71a3140c1c11f1cd58ca7b0ac0b94ee775e64d666abdf38b77826682022057a3cf5c4db8ca67b4b6d0bc58e137428c95f1dfbd129ba47b532d3d6f5d67c5007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169442f59ae0000040300463044022079105fbecd5a502c7727528c56ba0600b5d3150766d29b78b7e02fc315b9f5e5022003f9aa8f5df0c211ff3d495674df946fee569d3f40cf1bdf6ed14c02681d3795
 . . . . [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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