on.bc.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:cb:1f:48:0b:9a:0b:02:1a:51:b8:6b:81:6c:2d:5f:a9:61 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=on.bc.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:cb:1f:48:0b:9a:0b:02:1a:51:b8:6b:81:6c:2d:5f:a9:61
Serial Number (int): 417568044360545691113823675893232198199649
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 0e:e6:ad:14:53:20:2c:cd:fa:d7:2d:51:e5:30:14:20:4d:d7:7b:fe
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6a:f6:bd:f1:75:87:6a:63:38:be:17:d9:a6:94:ff:d4:9d:d7:a4:30
Fingerprint (sha256): 09:c0:6a:f3:77:26:52:c7:1f:3a:0f:ef:db:bc:ff:e3:f6:24:a4:4b:91:4e:f3:63:7e:19:83:47:9a:6d:29:01

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

Revocation information

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

Check the revocation status for certificate on.bc.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for on.bc.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

on.bc.edu

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Certificate

The complete raw certificate details for on.bc.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxWgIdK5jKW6ux2hYybFM
Rb0RJRZyvyX1EGxek017kUSXOY4mY32i99Itorm0c2ifJ3ISOtQP2ZFIkJjuLa1X
cTHhpExg1VG7hCNUaamgbtjWnyYeLBL3eJGEYEeivyf3GuNc2Rfr5EB7Kj8AJsFn
RwMEHgXWdYU4pn00ISvLUqT1BanxQYTICNZYI99f5VJHGlbrg/OWQm9d++aidB6E
fUMcJV/gCkI4FmD3eghGPiIijGgRWhnflxqC4eOXnoloMDZbGXgtjQQxgIedry4e
RTchwFKDzA727cPGCrMicl9/GdwHaqlZv3MJqZrVFmuL3jtYLnLGIJp9M8NhigHB
UQIDAQAB
-----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 417568044360545691113823675893232198199649
 . . . . . . . . [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 2023-08-19 13:12:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-17 13:12:32 +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 'on.bc.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 24920246677610126671827346217279522728376635184797145364368535742930882571740876181544507514090020648184295560320055485806514504635203820013373296648994742282795587340344632838664304231591657173044433192684977686771086286899362957229579356829017854616933741271708509000192878253729551864871576674900858450162728026236069205104798776417692746271804199818922809566718448081227637657985701564702813458669990314198786710027501209918647098070704626533789274929979913931278182143581833280131650414368195884359920172708683094155313211614029697047699490404035574167278662504733487455088165031165491367684919896109436048097617
 . . . . . . . . . . . . . . . . . . . . [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)
							0ee6ad1453202ccdfad72d51e53014204dd77bfe
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'on.bc.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a0e23fddd0000040300463044022027cf06ca69a3786ba44a8ac543a27fb0eda8b9ac16a454f82cba73d9586d5efb0220152d087d881b14b918a84b5baa40d300e1464105b3e8dbdbf377d94d2a0fd17b0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a0e23fdee0000040300473045022100fa08f546a15875cfe0b8a5d6fe05fac3fe2aaf47f2291d7981dd9b80971d60990220588478e9c9ff1fc0cf446001e249a520529c32e8658422721d7f37e5fd7605da
 . . . . [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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