canvas.newhaven.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:4f:c1:6e:ab:ce:6b:d3:ea:1a:8d:1f:f6:2e:bf:b1:d2:8c 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=canvas.newhaven.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:4f:c1:6e:ab:ce:6b:d3:ea:1a:8d:1f:f6:2e:bf:b1:d2:8c
Serial Number (int): 375588566354282467581908225217407795450508
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 06:d6:13:7a:49:8d:8e:95:5a:ab:50:57:e1:1f:81:0d:38:9d:5d:52
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 49:c6:01:19:af:f6:5f:05:5f:af:66:a1:02:c6:a7:ed:aa:a1:bb:1a
Fingerprint (sha256): 0b:0e:36:18:94:b9:5c:ef:eb:88:c0:ed:51:a4:cb:b0:64:f7:c1:67:74:00:73:56:1d:2f:3b:06:bf:29:17:2e

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

Revocation information

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

Check the revocation status for certificate canvas.newhaven.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for canvas.newhaven.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

canvas.newhaven.edu

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online.newhaven.edu
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dining.newhaven.edu
degreeaudit.newhaven.edu
lp.newhaven.edu
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airwtach.newhaven.edu
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Certificate

The complete raw certificate details for canvas.newhaven.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqjVxbxAPk4uY4kiR0ow7
E0LiP86vltl/iB0/si9+wCfRNotMo32W4vmWdBT7AKU8yvBMD/t02SDFgEbhKABI
tSvfP6UdDddhTGnBYcpm2VVml/y5kDiUVlhMKMOlAt7fuY2Xjk3FFS7Y8+bK52Ok
Is6bKZycjv3sQ+YzumxJJoU6KnB76w9XEeNtYaEvS3/d44N32m+2hLQbNMBRlN8W
18SssUT8lEDZQas9Kp7++QT+OXe8/JVE5349wTw+RDg5HYNFUX7RTXrth2WRRA6Z
DwF6bReWOJT9UoIspvltEMOyE3RpYvDzK3sNsYr6RHPuv10lEUDSv4tQqBB/M0ln
WwIDAQAB
-----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 375588566354282467581908225217407795450508
 . . . . . . . . [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 2024-01-31 00:53:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-30 00:53:57 +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 'canvas.newhaven.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 21486865619518628399682382306117146949663543869349518764376555486072771197806015222971507719589210026645790528281520458301355432797598202042643067994976256363355595018313922777594872931818500711429628824997775039270689893507729876003357706721971598191734335664033971443773767323757893107045601381425014654674019244401183003580929063271505526164386482077226692125804243931817377952742234744238453431082272327718464511374381667342625142123690703657796475379741441926209045965320472271840104606635871261234382651202501604038353573685658451759662219649985545582618199474576639845017299366800266908057421862352854813599579
 . . . . . . . . . . . . . . . . . . . . [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)
							06d6137a498d8e955aab5057e11f810d389d5d52
 . . . . . . . . . . . . . . . . [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 'canvas.newhaven.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)
							00f0007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d5d3915c30000040300473045022100d764dbb0d97a5f548fa6c1f94e15103cec0d3019786460bd4c0b55c50fcb3d8c02200e0d54852247c2ff94162519e8d1e98f6f10e5b36e5c11f4902693ef12573a33007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d5d3915980000040300473045022100fbcd19f480823e454a0f605667eb30b3ce613551003e77194bcabd2f50aa8c4802200e05b5a963e40636a289e5a44a4674625d662dd8bcaf8a1f814280fc3179db3c
 . . . . [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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