chicagounbound.uchicago.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:96:fd:01:bc:fa:d6:69:54:7b:cf:6c:17:59:7d:eb:92:2a 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=chicagounbound.uchicago.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:96:fd:01:bc:fa:d6:69:54:7b:cf:6c:17:59:7d:eb:92:2a
Serial Number (int): 399827802473378601600029712751935754048042
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 58:fd:f8:ae:b4:e1:27:a3:8d:7a:53:c6:ea:6a:42:df:4c:45:c5:36
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5c:b2:38:cd:e5:8b:43:c4:10:ca:9d:7a:bd:9f:ee:4b:ea:b5:d7:5f
Fingerprint (sha256): 01:0d:17:ac:58:c6:2d:e3:1e:83:e7:dc:30:b9:06:79:75:f6:8c:16:af:a7:ab:30:85:6e:87:63:d3:23:43:f4

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

Revocation information

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

Check the revocation status for certificate chicagounbound.uchicago.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for chicagounbound.uchicago.edu

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

chicagounbound.uchicago.edu

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Certificate

The complete raw certificate details for chicagounbound.uchicago.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv+nxKflGIj4ljU/vi8Tq
KD4x1ZzGKPNkWKxaZugQerv3YAYcbr8KWslV/L02EYgXvUGllZZm8PGeZUpdSwBB
yW5rI19kDv+zzyvnnxdHUaK3XpxwUZKSDr4mlHdmZ1r0avz1E6cOwHYG7d3x7J04
dSDPtsFN+Fk7wtOcZv0j2nBBFO8YRbfZrOdFP9wHKLlNoYMa+iVAAKLEq0F3lOqz
MSF6ZhQbl/wtJg9ie9m8dSc461cLCOY+lyDCWfuE3c/oxOzmpHbW7mfNKQN7mu5i
mQqYwzw60spg/LREMRziYK0z+E0acCtvQ1jQt/N/xADBzuFL0D+LCMxdZkkDbiGw
uQIDAQAB
-----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 399827802473378601600029712751935754048042
 . . . . . . . . [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 2023-02-07 11:02:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-08 11:02:46 +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 'chicagounbound.uchicago.edu'
 . . . . . . . . [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 24226877371321887425996638686909437212186616182915970741416779011839812315689895078251887539874128015300531263287712807145291231217217970560919698882388702117935721244146641092238290031966520769533210893064497252054819219712341244732540106749386302569747893169076488196397701678916629861268553981455308200747810292289980508331941846486914051745073612617008760967000686473398026527588172936519921283322547019059613808041220179377925668900798225636280111086270387374011821343927847703645799163066350874102842081347393974812927643837842409175978814013894855558871926164599977107669524906282221639888621964690003727593657
 . . . . . . . . . . . . . . . . . . . . [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)
							58fdf8aeb4e127a38d7a53c6ea6a42df4c45c536
 . . . . . . . . . . . . . . . . [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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'chicagounbound.uchicago.edu'
 . . . . . . . . . . . . . . . . [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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001862bc1d2560000040300463044022027c64fcb7898d318779f76a521c8d2d369370ab131dab4c4a18bc5ca8600076202204311dbf7545aeec12bc361c6686fd1f430794672a7b75f989e83793040e0c3f80076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001862bc1d2640000040300473045022013efa178dcfb0bc6cac071f2d534adafe44ee7895953d4f99477960b7addffd602210089045b9ee6ff58f92415428c922b011ef2a5578b3fe6e29014090627c373b4a6
 . . . . [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)
		005b51cfd7b2b0b5d31c03d512ff50d05844ca4250c3a990bab3088c752c797db959c51ea7e2bf948f15139c30c6ec2398f79f368e370d6ea4df8c17d80f1d5fdb6ffcd6d5032eaab99250ba491c886a2d9c8b62e7ea609a62bd895402a9ebf9caead37be51a27afc9e64987b852ddb5d386232bdbb499c68de89912e6758d1305a700d740aaaddbde9e09fffbd946281c76d74aef85e84e633c58250287f5d27adb79aa2f80ee18c0ab7ac6a349f254739803f71a32c7fe74fdc28e28f4440982a923a1e075842d1f3bc3992263f068c96599d28446c86ad8b54d7f09199f6d474f5407bbdd0b3646df1624938ef07503ab2c2435a6d9b50b0a247fb7fc812f74