library.citadel.edu

Issued by R3

About this certificate

This digital certificate with serial number 03:b4:12:6d:97:18:0b:94:19:a4:e1:a3:c8:da:69:c9:e8:9b 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:
  • 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=library.citadel.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b4:12:6d:97:18:0b:94:19:a4:e1:a3:c8:da:69:c9:e8:9b
Serial Number (int): 322612178969880281574177509235404661450907
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 13:3a:81:55:d4:a0:cd:91:73:20:3d:d7:5c:33:2f:33:32:11:e2:5d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 52:20:71:1e:1b:bc:ec:46:da:31:ba:23:42:b6:49:81:bc:17:81:b5
Fingerprint (sha256): 54:74:7c:b2:be:a0:a6:a2:0f:02:e6:91:32:76:e5:30:2e:86:da:d5:af:fc:55:63:30:dd:22:d2:0e:98:d4:4a

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

Revocation information

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

Check the revocation status for certificate library.citadel.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for library.citadel.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

library.citadel.edu

Other certificates including the domain name citadel.edu

(limited to 100 certificates)
radius01.citadel.edu
cfprd.citadel.edu
2008dhcp2.nation.citadel.edu
coldprd.citadel.edu
coldprd.citadel.edu
askus.library.citadel.edu
foundation.citadel.edu
cacprdapp.citadel.edu
secure.citadel.edu
foundation.citadel.edu
foundation.citadel.edu
bantstssb.citadel.edu
lesesnegateway.citadel.edu
lesesnegateway.citadel.edu
library.citadel.edu
foundation.citadel.edu
brand.citadel.edu
zprod.citadel.edu
*.citadel.edu
lesesnegateway.citadel.edu
foundation.citadel.edu
lesesnegateway.citadel.edu
foundation.citadel.edu
zprod.citadel.edu
banprdssb.citadel.edu
today.citadel.edu
*.citadel.edu
citadel.edu
banprdssb.citadel.edu
dhcp-citadel.nation.citadel.edu
foundation.citadel.edu
citadel.edu
jobs.citadel.edu
coldprd.citadel.edu
access.citadel.edu
ad03.nation.citadel.edu
library.citadel.edu
citadel.edu
askus.library.citadel.edu
libcat.citadel.edu
banprdssb.citadel.edu
*.citadel.edu
foundation.citadel.edu
dhcp-ladson.nation.citadel.edu
apply.citadel.edu
foundation.citadel.edu
citadel.edu
banprdssb.citadel.edu
lesesnegateway.citadel.edu
citadel.edu
brand.citadel.edu
banprdssb11.citadel.edu
*.citadel.edu
jobs.citadel.edu
campuscenter.citadel.edu
campuscall.citadel.edu
coldprd.citadel.edu
cfprd.citadel.edu
citadel.edu
foundation.citadel.edu
foundation.citadel.edu
sioux.nation.citadel.edu
banprdssb11.citadel.edu
today.citadel.edu
banprdssb.citadel.edu
mag.citadel.edu
foundation.citadel.edu
*.citadel.edu
*.citadel.edu
library.citadel.edu
*.citadel.edu
jobs.citadel.edu
askus.library.citadel.edu
citadel.edu
foundation.citadel.edu
foundation.citadel.edu
2008dhcp1.nation.citadel.edu
today.citadel.edu
libcat.citadel.edu
ad02.nation.citadel.edu
krausecenter.citadel.edu
giftshop.citadel.edu
foundation.citadel.edu
foundation.citadel.edu
citadel.edu
sioux.nation.citadel.edu
banprdssb11.citadel.edu
askus.library.citadel.edu
lesesnegateway.citadel.edu
library.citadel.edu
banprdssb.citadel.edu
ad01.nation.citadel.edu
*.citadel.edu
mail.citadel.edu
mag.citadel.edu
libcat.citadel.edu
hrweb.citadel.edu
foundation.citadel.edu
*.citadel.edu
today.citadel.edu

Certificate

The complete raw certificate details for library.citadel.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnXU/7KBpTBHF9X+Nzyyk
fw5UjJ/ulsebWcL+LczJRUcHG3rqe4AQlGwTuoG45Wa3ICZXhAOapkgNx+ewvqqH
hqQ+rVcYn2uuFdF2fXRjWhmUB8Bsp8iV5zcLCmtE/e90jyKAvGA70aiw0/XAcCEf
ORgx4Vgw+KqU+nnVnT1/9nH2M/ZJWFQy16t+385MIFO7MtM62kOz934+HnN/YzSN
L1FrO3nHC2cwvvIMr6zP9N/3/+uszFjnInfnJyV3/e8iApUz6AbBDEAo7Wd9JyIm
mnxxuA9YiN7TS3A1M4gmuysLRdjrOg7ecHUJO+iC2Nkp6aISU5y3weIAVII1Qujc
owIDAQAB
-----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 322612178969880281574177509235404661450907
 . . . . . . . . [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 2023-11-13 11:46:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-11 11:46:06 +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 'library.citadel.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 19877231863809462417897274198303443378139829901348171322885254745364010049545464812511940978438381000352163049895228447296607555616804953423105482305691662518701623936595413339805244568158712628122715157257569172902556190753584257360008653817420791744585665215240484841897351674706100561496481299624278051791345352223325686904335878905687894037735878056356065968454781278263892374546455159341918084509370535430036747859456402733866716041999380749738061420740228863557066324824742087457497848033753434906464125391511663552848391362187888185659911069690929371303034614809755013557270943732375080340554199675856484883619
 . . . . . . . . . . . . . . . . . . . . [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)
							133a8155d4a0cd9173203dd75c332f333211e25d
 . . . . . . . . . . . . . . . . [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 'library.citadel.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 (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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bc8b7bf9100000403004730450220290eb25952188369b10e8298cba4d132f7999c23493d0d6f08025fde27db7235022100bf1741c54c6e375d875f57e6678335c6d8ce33fb02eb56426c84b6efd60e688e007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bc8b7bf8f0000040300473045022100867a6d3c4f4d8570894975544b1dd8df6fd088be21f91f57e900a7e92616b1b602204bdd25cc764c3a0a0b028d2f07c426317f8f091b8a307f6bf5011b55ef98e21d
 . . . . [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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