app.waterloo.io

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:88:80:aa:0f:ec:73:9e:61:f5:57:bc:22:a4:75:b5:0b:10 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): 04:88:80:aa:0f:ec:73:9e:61:f5:57:bc:22:a4:75:b5:0b:10
Serial Number (int): 394898569825184810427088799037022163766032
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d4:c6:7e:29:2e:c2:d9:0c:8f:62:c7:0a:e6:90:8e:e7:c6:89:72:60
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a9:7a:de:aa:e7:19:4d:7e:e1:fe:aa:a1:f5:a6:ae:e7:3e:d4:10:fd
Fingerprint (sha256): c4:8f:46:2d:04:73:c7:f8:a9:f5:72:7a:15:09:64:7b:2d:74:1c:3b:e7:e7:f4:f3:ae:60:31:dc:d7:1c:89:dc

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqe93sNiKVhyVN1hJiUCW
kxC3riet0Z3tDHquMERwDU6rNU4sdZd0dG9hjTTsOrYzDMgoSiBdwQTdK1wFJwAo
mbP4ghttGf1TWRc6UyyyjkbxvMLknzqDZR1ohC+hxQeJHcceKIdAFoiCzTe5QiJg
zz9Onz1gFPehHHOsG1d6rQ2OWE7EfCd8wjBzETn5+Sh+s1hKCKDMXYydohcLDB3u
XMHADaSMiM8Eqre3EG61I48r3CKP7uxNRcz0mqZBqtwF/JzRORaYGdIYrDq/wJxf
cluMBmbFqrvklTKKrWdbP8XStYR7eu5niHGk+tRprQQW7tFhHrAzXgZi67BM5rMX
KwIDAQAB
-----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 394898569825184810427088799037022163766032
 . . . . . . . . [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 2019-04-16 11:18:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-15 11:18:01 +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 21452359385444303963739736365875850158739914277972344574701429637466913325491412050040492676921379219928436116162433730499678279183345140225801179010310275295832984938583820611455582138170053055159210745126783775934364571490020806503964171263109630675402760516362093308037852654156686863233564841739548131501286349637485473560248230142919220502857388494152804252796781649233935931186421035738588871962085605077255221944530640165645397174448621232553183150428934466228671748301557697610578740239179447142383550797308955574752096629303410431998637612253949914917602738262172958066685503547879356828165185412796391823147
 . . . . . . . . . . . . . . . . . . . . [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)
							d4c67e292ec2d90c8f62c70ae6908ee7c6897260
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016a2615277b000004030048304602210092926e96c8e7c91463d014fecfb04e7ec081cb8e0ee0e14063a0f324fe53aa44022100a813e855794056c6e99901bbb7ee4cbf5a7a3093b09fb29975d09fc3e63da8a2007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a2615276f000004030047304502210093da802ad8946eb2589c819e097331071714c4f40fa93337e32a774427aa32fd02202e1baea48319897a237459b17279cf3ac622b0525ec2ed14d743fa5ec1cb02b4
 . . . . [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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