library.citadel.edu

Issued by R3

About this certificate

This digital certificate with serial number 03:1d:78:ec:4e:88:b1:4b:d0:b0:e4:63:c1:e8:f2:a9:24:47 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.


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  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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): 03:1d:78:ec:4e:88:b1:4b:d0:b0:e4:63:c1:e8:f2:a9:24:47
Serial Number (int): 271365780770398609192838756926975243789383
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7a:ef:3e:44:88:ff:8b:4a:cd:9d:2b:c9:63:68:e9:23:51:7a:42:90
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b9:e2:c5:d0:cf:7a:b8:e9:e7:f4:d2:d1:59:cc:84:8e:5b:3e:6b:b7
Fingerprint (sha256): d0:6b:91:cf:95:bd:56:5b:23:56:5d:b1:f6:be:b8:61:30:69:87:ca:4c:77:21:65:3d:f2:90:d1:05:cf:a6:f2

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
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askus.library.citadel.edu
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today.citadel.edu
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library.citadel.edu
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apply.citadel.edu
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banprdssb.citadel.edu
lesesnegateway.citadel.edu
citadel.edu
brand.citadel.edu
banprdssb11.citadel.edu
*.citadel.edu
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campuscenter.citadel.edu
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coldprd.citadel.edu
cfprd.citadel.edu
citadel.edu
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sioux.nation.citadel.edu
banprdssb11.citadel.edu
today.citadel.edu
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mag.citadel.edu
foundation.citadel.edu
*.citadel.edu
*.citadel.edu
library.citadel.edu
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askus.library.citadel.edu
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foundation.citadel.edu
2008dhcp1.nation.citadel.edu
today.citadel.edu
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foundation.citadel.edu
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banprdssb11.citadel.edu
askus.library.citadel.edu
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuZUhR3LZ30+7qjcaHVyN
Dtk3BZtUuQ2bsGQEwEy0+PWL9D+MjQdmcxoVhATeqId8DuANPMSm6WhNCPknISXB
dnegSuB/THWC6lf2vLGwNfvojsxa6g0QG7ClOtKFnXraShHqxqPEqmsPcwh3kJog
HcHaTI1vkxgSu+vrv6uZE10OKMCNpBilrx5kDQ6tfnihFuLvjGee0vUzu9JhMpwn
LwI7B5rF5HoiolaaUxSeEJmIp+e7gyU0SIiU5sEyHVN1wGMHhDQM1n2fulQWdGqD
5G0dTCD4ANAGMYyw5DhKxJ2MVxnt4ggjmjlHiKDhGhf+HvzjBmQdEoKCFDMd2nsf
AwIDAQAB
-----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 271365780770398609192838756926975243789383
 . . . . . . . . [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 2023-09-14 12:17:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-13 12:17:10 +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 23427625160806496472908107903241115646189253256329018998188616527114305050374812535437671743533838152052562555477722041489185407748177335499700825853087048267587945620270394634075518390328835981136970411012767649291573027825379374584657171187781572355488911391878589471823792377888627950853130754480399541238214697729215703153700128288791887705303544118872133802807850572518227661418162493000168984776495422431605287670198320901693664372617925844070177624049212877266822236425832975275824855109903677989876807375581228228553469959117720580616401187952164996366711932176322761196789778749956853532709447861939042197251
 . . . . . . . . . . . . . . . . . . . . [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)
							7aef3e4488ff8b4acd9d2bc96368e923517a4290
 . . . . . . . . . . . . . . . . [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)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a93d6a04a0000040300473045022100922f70615c324e15758443ba29db277355bbbddfd17b8017a3d5ce0d1e9d9ef80220435c39de62721fb3ff23074460500ab76ebf326544339331bb3e597b0146624c007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a93d6a0330000040300473045022100c663828d8a6f3288e479cce14c440723eded509efa4aeb7ae5ad98341884461d0220221f0e4075029992c514443c79295305b7f19d9ec03153d653a32c99dfc8fb6a
 . . . . [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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