library.usml.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:b9:20:ca:e3:c2:c3:43:1c:0b:f0:08:93:8a:14:7b:55:90 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=library.usml.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b9:20:ca:e3:c2:c3:43:1c:0b:f0:08:93:8a:14:7b:55:90
Serial Number (int): 411444970366782817934421801510675892884880
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 43:dd:5c:a9:14:2e:4d:30:3b:a5:00:bb:7e:3c:31:13:3b:ea:cb:7c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e6:5e:58:db:a6:1f:2c:29:59:1e:73:6c:1b:ec:1e:8e:05:54:d9:e1
Fingerprint (sha256): 16:f3:56:91:51:ee:72:59:55:18:7c:f6:22:3c:94:39:98:e2:00:93:73:13:d0:d2:36:f3:30:14:74:2e:f5:0b

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

Revocation information

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

Check the revocation status for certificate library.usml.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for library.usml.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.usml.edu

Other certificates including the domain name usml.edu

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo7ymhT5V8z7MRKKyOK6S
zx7KXh6nzJHRjVAR5HQ4mQjUTnTRwAXXY4Y0eviTLUBNHLFpdouFAN0tapFl51m4
ZxNPQkguyn2du0WaLWdoxcd/xDou4QbRraQVxbkERYhm5/OQOI8QDPy0Ak+dA2hS
G66jrBAQqWJUi7QHpfBfQNnKqZZuCWyjUUu4aPAjslqUvaD6FcQ0qu+F2ppXlyxP
3krLZVvqOs2Fc00DInCj4YqiYR/zWV57NXYoxegAQKeFzmhyrmsF1GNvK+q/QgO9
MCbEWKABUk/RuvMOXbI9chShO028RP5vvNTcziWOuXqTrAzUIU5dg3vrgnyUO4ct
HQIDAQAB
-----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 411444970366782817934421801510675892884880
 . . . . . . . . [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 2022-07-16 12:14:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-10-14 12:14:18 +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.usml.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 20669870723701702188094945658278728860479673917886797644867646583047158527916115230749153946268538187268516349878000885233695388648933773229664851585960658703040480285049244085779932716084496664496135104294132370414693996165451103809473838934961614164985064571952237581676204318780991074529628610046172203629016286332389109735302238298022202264595771986667335461506889196646176642374796254472343737259358328291149001813370820335836362702259579629451058299240492984097881239213917076245087463957766212778561626895838319241905167135793845191080568769713014462864726168380524805979529672575855188489586172334695118220573
 . . . . . . . . . . . . . . . . . . . . [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)
							43dd5ca9142e4d303ba500bb7e3c31133beacb7c
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'library.usml.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)
							00ef00760041c8cab1df22464a10c6a13a0942875e4e318b1b03ebeb4bc768f090629606f600000182072546350000040300473045022100b0bf7d03753b0f0712ad073f44b02d2573d90c62036db22a15bd9e341a56626502203c4b80b9c770a515e828ce82db0d943482bc5480f6b4b2ad1591ef1711c7f7640075002979bef09e393921f056739f63a577e5be577d9c600af8f94d5d265c255dc7840000018207254617000004030046304402204557f32c95d634a0e7398342278f648a80aaeb7b8543f7d1a15aff3e84b973de0220421ae6c63361d2d2d5d271658aa94d4d3d9f26aba98207fec4a674af536ec4e8
 . . . . [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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