webchat.uchicago.edu

- University of Chicago -

Issued by

About this certificate

This digital certificate with serial number 0b:8b:9f was issued on by Equifax.

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:
  • KeyUsage [ContentCommitment DataEncipherment DigitalSignature KeyEncipherment] (00001111) inconsistent with multiple purpose ExtKeyUsage [clientAuth serverAuth] The certificate MUST only be used for a purpose consistent with both key usage extension and extended key usage extension. (RFC 5280, Section 4.2.1.12.)

University of Chicago

Organization: University of Chicago
Organization unit: NBS
State / Province: Illinois
Locality: Chicago
Country: US

Equifax

Organization: Equifax
Organization unit: Equifax Secure Certificate Authority
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 0b:8b:9f
Serial Number (int): 756639
Serial Number lenght: 20 bits, 3 octets

SubjectKeyId: fb:ac:99:2f:9f:d2:00:fd:b4:5d:82:a2:fd:d9:86:90:f9:c8:fd:cd
AuthorityKeyId: 48:e6:68:f9:2b:d2:b2:95:d7:47:d8:23:20:10:4f:33:98:90:9f:d4

Fingerprint (sha1): 15:cf:90:a8:fd:9a:b7:ef:e0:3a:d6:fa:6b:eb:da:59:d4:92:2f:fb
Fingerprint (sha256): 02:d4:0f:92:c0:c5:dd:c7:ee:39:35:90:43:79:d7:85:34:c9:c1:68:f2:46:00:dc:21:3c:85:6c:48:38:85:6e


Revocation information

CRL Distribution Point: http://crl.geotrust.com/crls/secureca.crl

Check the revocation status for certificate webchat.uchicago.edu

0

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for webchat.uchicago.edu

Public Key Algorithm

RSA

Key Size

1024

Signature Algorithm

SHA1 with RSA

Key Usage

Digital Signature
Content Commitment
Key Encipherment
Data Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

5 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

This certificate doesn't contain any subject alternative names.

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDiKoS6XPGFCHXSafFch3XfqYMZ
dxSJYi1+vK38An29no1EU3F5tdckjO9t6gIdgC8WU1qyKo7ho/zNTW/vChsApQaQ
SYxAzFgl1a35LzX2DSn6K/3qXET175unZGWfAX2rrGfgveoC1ODeKFrE3YhGs+8q
oiTkGvt1zAB73t3eAwIDAQAB
-----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 756639
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . . . . . [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 'Equifax'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Equifax Secure Certificate Authority'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2009-06-16 20:34:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2011-06-19 01:51:04 +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 2.5.4.6 (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 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Illinois'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Chicago'
 . . . . . . . . . . . . [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 'University of Chicago'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'NBS'
 . . . . . . . . . . . . [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 'webchat.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 (1120 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 158819227859245884658185496712079086792622173385358484665631993427221235113362548076150559709234992768695806029552904858729121201895942175685436562553046109375487948167039126504434678118943155125429277289092871263591805406772793944207729289087581134066922896755720897136967844522733745293637689613693963066883
 . . . . . . . . . . . . . . . . . . . . [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 (4 bits)
							04f0
 . . . . . . . . . . . . . . . . [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)
							fbac992f9fd200fdb45d82a2fdd98690f9c8fdcd
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (51 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.geotrust.com/crls/secureca.crl'
 . . . . . . . . . . . . . . . . [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 48e668f92bd2b295d747d82320104f3398909fd4
 . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (1024 bits)
		00632b831d39473ac5514fe24d281fab19fa986afe8f042f6e5c485c5930e1f93307e71c003e82bd07185822f49242eb96ba23a5cc45f0e7b9a03bffcd86ebd4f270188a7da26b77629bbbe53cf80ffcdf877c19ffd75305e577431268062eee2eaaef1a50080bc4c0b08d649727abafd7e978ffb50f99869cf16e1e82534e5208