app.waterloo.io

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:70:c8:7a:48:54:95:34:e5:24:17:fb:44:6c:f7:27:6f:04 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=app.waterloo.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:70:c8:7a:48:54:95:34:e5:24:17:fb:44:6c:f7:27:6f:04
Serial Number (int): 386827249348594653244757206847032901725956
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8b:37:de:96:38:75:de:51:44:b5:12:a1:b7:1a:95:33:3e:a9:ba:dc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ff:f8:f5:0d:63:91:bd:70:6c:54:78:cd:17:b9:c2:ff:69:76:55:49
Fingerprint (sha256): dd:01:4d:89:17:86:15:ac:3e:15:cb:06:e9:79:86:59:d2:09:9c:0d:1e:e3:6a:b4:50:4e:e1:fc:4e:53:03:03

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate app.waterloo.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for app.waterloo.io

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

app.waterloo.io

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Certificate

The complete raw certificate details for app.waterloo.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqtw0U/pxt1+fA1kOJhQE
5nsUhT4Kb97cK3qlHFbjH5+d6Nkja0hqpQ0iID8YO0uegrbJjUmVlZgCi6rB4J1b
lGTbpDb8z1oqPtaO37FU9joIyTqIFTd7btxrWW5EquGbSS0zwUr556SveRhbxiga
f8wi7lK3ZVEy0sG5IKtosWe8eBggC9MartWra9SoMsSCOtWay07ebWNLpVEuXGUi
0mEBfM/lMQ7o40/ry0aCMnmosUrQiAaGNtMSKv0fonU5N+z8gYsPuBzEToNTaFjZ
8dLBVMcimJR4YJnLYXRVqivFx0UF33Tqo6Rvyd5tJhVNmNJLztl2cmkk3hy1fndI
cQIDAQAB
-----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 386827249348594653244757206847032901725956
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-15 01:13:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-13 01:13:10 +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 'app.waterloo.io'
 . . . . . . . . [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 21569098684116267320282237785553663079796219296970847955967666091930707298016214925250215987591119080364438864284758668850475895759965106228480385928336557456325619999391109104733437771911540032815997079854580418450659672759857780264614781934036177309994284017609809643555907423497740143268991166903358507863221370481900611965237445968563583627576378309972046857694188339986008537774581131202342139320805376275984344416884596339355126230934904220797905981369954331671348968516254321833800607859444960951595170681401486912504776108080127860756702639412395516500446072993959786364434300264032603044572208345942892955761
 . . . . . . . . . . . . . . . . . . . . [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)
							8b37de963875de5144b512a1b71a95333ea9badc
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.waterloo.io'
 . . . . . . . . . . . . . . . . [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)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c930ce0ca0000040300463044022040db38963ae5453e45ab085293584f05710cbe8e05983d89e5d3b91141db69990220499979ca2c5354373c9f7f4de34d68e14c8e78a75fde24ca9ff9a87a075f347000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c930ce2ba0000040300473045022100f32bb458a7777dc13d48cc495bd12e20cf03936259fcef915bfe464fa5cf968c0220423f9876c69bd03e557d352328d0d78ec12e9745d35883ccd1ff3537ce05aa57
 . . . . [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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