handbook.usi.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:f5:05:a3:4d:4d:e1:e0:93:f2:94:b5:aa:73:09:a0:65:a8 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=handbook.usi.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:f5:05:a3:4d:4d:e1:e0:93:f2:94:b5:aa:73:09:a0:65:a8
Serial Number (int): 431825817674953789511323419999131383391656
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: fa:a7:30:22:60:b8:bb:18:b0:b5:6f:68:a3:cc:39:72:13:cb:22:14
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7f:a6:9c:ed:a2:12:c0:4a:09:55:78:c8:a9:3f:6e:01:9a:de:ec:55
Fingerprint (sha256): 07:3f:b6:6a:1d:32:69:31:c1:a7:3c:b1:eb:0d:89:4c:92:dc:29:bb:13:3d:e6:87:04:00:ee:e4:03:4a:fc:9d

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

Revocation information

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

Check the revocation status for certificate handbook.usi.edu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for handbook.usi.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

handbook.usi.edu
usi.cleancatalog.net

Other certificates including the domain name usi.edu

(limited to 100 certificates)
my.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com
forms.usi.edu
forms.usi.edu
forms.usi.edu
handbook.usi.edu
studyabroad.usi.edu
ssb3.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com
*.lib-proxy.usi.edu
tk20.usi.edu
www.usi.edu
calendar.usi.edu
linux.usi.edu
bbtsusi.usi.edu
vdir.usi.edu
studyabroad.usi.edu
online.usi.edu
www.alumni.usi.edu
linux.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com
banproxyp.usi.edu
online.usi.edu
auction.usi.edu
online.usi.edu
cas.usi.edu
auction.usi.edu
helpdesk.usi.edu
online.usi.edu
mirror.usi.edu
sctssb.usi.edu
www.alumni.usi.edu
library.usi.edu
soar.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com
bulletin.usi.edu
WWW.USI.EDU
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san-6-s10.tlsprovisioning.exacttarget.com
*.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com
cms.usi.edu
studyabroad.usi.edu
WWW.USI.EDU
www.alumni.usi.edu
lite.usi.edu
*.lib-proxy.usi.edu
online.usi.edu
baninb.usi.edu
online.usi.edu
bulletin.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com
san-6-s10.tlsprovisioning.exacttarget.com
linux.usi.edu
outlook.usi.edu
www.alumni.usi.edu
soar.usi.edu
online.usi.edu
exchhub.usi.edu
auction.usi.edu
*.lib-proxy.usi.edu
cas-login.usi.edu
rmsweb.usi.edu
online.usi.edu
online.usi.edu
blackboard.usi.edu
calendar.usi.edu
www.usi.edu
expc.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com
san-6-s10.tlsprovisioning.exacttarget.com
san-6-s10.tlsprovisioning.exacttarget.com
online.usi.edu
library.usi.edu
banssb.usi.edu
online.usi.edu
sts.usi.edu
guard.usi.edu
online.usi.edu
www.alumni.usi.edu
bbtsusi.usi.edu
online.usi.edu
cas.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com
san-6-s10.tlsprovisioning.exacttarget.com
cas.usi.edu
cloud.usi.edu
sctssb.usi.edu
WWW.USI.EDU
sts.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com
forms.usi.edu
*.lib-proxy.usi.edu
*.usi.edu
online.usi.edu
www.alumni.usi.edu
my.usi.edu
auction.usi.edu
cms.usi.edu
san-6-s10.tlsprovisioning.exacttarget.com

Certificate

The complete raw certificate details for handbook.usi.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwHSnemv0wZzcXAgMkBQX
ztwjNHFrHpIs5axrzzrdlw7T+GZAQLPiUvSZmF3ScRQ1Ni77M7wvvj8WKgEm6kmk
IGsqEr1NwVO/9M+bfL4ePy1ywV87Wx7ZOVVK4JWJMqctOtWZynJz3jX67Nda0+9B
++4/N4TAaLpUnxu83mMaTL+l/8yYin0iItxxZ3YRMvL8oMO9BWqFighCSszfIpRu
fGHjpEeodJZe7aLi7DcePvwyXZWi/al1YQeCdFkrpkcgk8myhP/APzQjk3bdKAlw
KQDdvQR4Y3b+bMJVibDWVrVqjLz+ybpaAJiOjKOmp9NDC6LZPJujVsE+mvYR8y2Z
VQIDAQAB
-----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 431825817674953789511323419999131383391656
 . . . . . . . . [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 2024-03-31 08:27:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-29 08:27:37 +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 'handbook.usi.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 24295278889261962340330570593076765092564594026629510040566849443941721212705222905469227342749655760761925628146467776896918161669177237506061638055976839317974540229085566909601290432792766688540743857041618507082302908209321494362376641574366690514136936988276436757394515726000349835912320682069511736058985263380188984941851626522348036976567257123937402752130277851931257557691396509910741392947845349707974538616547869499133806197294376341097227039876415788275764051935080580783290065738507278734728703160147978353048962982659390140744073959855669537306275821116832669307766091573181749448001568724078979553621
 . . . . . . . . . . . . . . . . . . . . [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)
							faa7302260b8bb18b0b56f68a3cc397213cb2214
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'handbook.usi.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'usi.cleancatalog.net'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e93d5fd420000040300473045022100cfa5f79c9b1d80c3e1d39febce46c1774e2fd930e0e92b45d05b8a0fcdba18a202201ef7bd8b8d1b947e90ab827ca5321da9c85bb3f8608304272dd42d8dc9000a7800770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e93d5fd7100000403004830460221009cf9b7a5ad30b5498fb4a1dc8dfafba9f1c56486b91971b5489c3f703dc36bfe022100ac8a747dfd267b5c00166d8a5ec2452a86b3952109066596606dd8e839ffaae0
 . . . . [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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