library.ocom.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:58:8e:a7:e0:20:84:ae:73:ed:33:d8:a3:c7:d1:ca:83:0f was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.ocom.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:58:8e:a7:e0:20:84:ae:73:ed:33:d8:a3:c7:d1:ca:83:0f
Serial Number (int): 378583614050896520081706292712746684941071
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 05:31:c7:53:16:49:00:87:3a:92:2a:f1:3b:0c:a5:2e:3b:1e:14:9f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0b:6d:2e:69:e6:83:07:08:51:90:ce:b9:8f:ea:e3:2f:62:c4:f5:7a
Fingerprint (sha256): 46:e4:81:40:55:a7:ea:85:33:18:9b:f3:6e:a2:63:1c:a5:57:c9:c5:0f:7f:2f:e0:ca:dd:44:66:e4:41:7e:08

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

Revocation information

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

Check the revocation status for certificate library.ocom.edu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for library.ocom.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.ocom.edu
www.library.ocom.edu

Other certificates including the domain name ocom.edu

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA031yQJiOlGhbwQ7bblpT
hjAyA6k8b+pyFZIb9ONIq7tOiwnkvYc3UYiqsiTRjxMpSrHmQAT/ScnnzHT8VjaA
fwjxkK2K+qoDNfPkVfw+q9dEmLLOAwouI0yQS2PODviE+AzIQORWbMi9WPa085Qj
rLPHJXi3xLFbHBx5l8hgLtbFCFrHqefStzUTd4WDct7SgLDUr4EQ6E8YLThlEAp+
H1hZIF+LobUVnZRF/uB4EflUmb9/qIBQcHi61V5FP1XJFLo0+RI2Z9OaF6/QSql7
i2/TtFsuXPUkun4Z8Ifs3Sof9DX3D1LeK4kHDXnMkQTOTnNctN549HrDoV0aZ6CE
JQIDAQAB
-----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 378583614050896520081706292712746684941071
 . . . . . . . . [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 2023-04-17 07:21:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-16 07:21:20 +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.ocom.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 26698142223008018206265822730143524034318896063455948835426924471415808157793019354222312928422782275360458403700585387571734725560782151356352986781017022293564821146501069337504969069876333940937493708483188233115779549390877331289643580421373443434173626827398034316120370902207853320595742943243771295748159045559302923760044508520396182100714238585437781060168984554599944563670942143790261730335286409365534563419214854205563097992489829741141713355323144285349437766256914762983040012530028529999828318095021328592524291060603488890948335647376874352550608892952375828819907470288593850112233579466661092688933
 . . . . . . . . . . . . . . . . . . . . [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)
							0531c753164900873a922af13b0ca52e3b1e149f
 . . . . . . . . . . . . . . . . [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 'library.ocom.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.library.ocom.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001878e4de3ab0000040300473045022100f553a04489304c4e1ee270bae9f66b4ee34244ec6c25a0f3ef065ceb1ddb121f02200dfaf4bbd8b8eed0367f86b5d0921c7087edd08875e915474b1c9427bacfc65a0077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001878e4de3c00000040300483046022100ea9a0420d41faef4e7e4dbf744ad04aae82cac50b7554d148e0c4027454d4cba022100f7d48f0ff9990b049f6778be6b48fa4473420688852ad2a3f90e95c2b63d6cc8
 . . . . [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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