cclr.uwaterloo.ca
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:7f:d0:81:60:7b:08:fe:3e:30:3e:58:5c:07:86:10:b7:13 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=cclr.uwaterloo.ca
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:7f:d0:81:60:7b:08:fe:3e:30:3e:58:5c:07:86:10:b7:13Serial Number (int): 304829869580517107474776631148571280848659
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 5c:c5:5c:a7:1e:72:35:8e:60:0f:be:77:c0:28:ff:b5:fc:6a:e0:6e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ab:be:e2:55:6a:6c:dd:5b:30:a8:c5:33:3d:3f:39:0b:6b:7e:67:bd
Fingerprint (sha256): 01:15:39:90:f3:96:56:2b:2c:e7:2b:9f:07:34:d8:7e:50:e0:55:48:e4:c5:e5:f4:f3:aa:c1:ac:b9:09:3e:39
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cclr.uwaterloo.ca
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cclr.uwaterloo.ca
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
cclr.uwaterloo.ca
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Certificate
The complete raw certificate details for cclr.uwaterloo.ca in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFWTCCBEGgAwIBAgISA3/QgWB7CP4+MD5YXAeGELcTMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMTEwOTA1MDFaFw0x OTA2MDkwOTA1MDFaMBwxGjAYBgNVBAMTEWNjbHIudXdhdGVybG9vLmNhMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq53j+eu5qPnuE8R6p3qoopxfbr0I k+WxZvbXDV+jGHbo71PB6u/KKg40sBLa7BmINGV86L2OI3ThTwQQBhixoJx9gOLp av/8mb6v1jgE6RVdmBbphlgAGCv2KX9lEO2U28nSFuZvP0m7LNuQFpdAJC4JUFJL kme6mZ6UDLzZrT82QhjQlt6eiszoA4/oNVEIOVBdDG0uMpFRh5xbGsqqHWJscfbx P086rb2MGhXccPEWs2o/Egco//RLS7c5Mu6PVxO6xYU3exqmzAhAXLz6H0NPfzz8 +iiUoaC+fk9x746UHISVEJecBxlKLl7QXGArATS09GeBDxo67mxdo5a6gQIDAQAB o4ICZTCCAmEwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggr BgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRcxVynHnI1jmAPvnfAKP+1 /GrgbjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcB AQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlw dC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlw dC5vcmcvMBwGA1UdEQQVMBOCEWNjbHIudXdhdGVybG9vLmNhMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAY/Lb zeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFpbDZyxQAABAMARjBEAiBm l79EzmJV6NgyWFsdFRRHOA9fRIRDW0DdbOZ0Y1T7yAIgBOSBBXPW4w2GYS+C+c8h KzWLNPDcnxy+qrDFUfDWAvkAdgB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnm EHvMVgAAAWlsNnRoAAAEAwBHMEUCIQCKqtcGwUGcxaOMb3PliTSjj5VCFuU9iKwP KU/BdsCL3QIgKev/ulheuWL2MAXi709XTKUrOFCC8oUh7ytabGzGwAcwDQYJKoZI hvcNAQELBQADggEBAEN+vDdp3ISIAi59V3ww+gtz7/ghF49sCHnbvJPcFr+Tvyed t80Upi/sUx3P1MPkovHO/IGtlh2rv5tOlmksMo6B9Z3qhZb5u2Il0kaHhfy4ojdJ 9rMBuBepkdvM0GVkz9ysb9floHEhK6tdeUWMFct4LMXN+UHwRqpuXUloQmcU7vzK bWiahyPVCdOrqZMD8aWnt6YCEjsaDMBx53wBE9ujVTyNFVB7+e70BDqsdOHDYJQr v7kiuJ0HpHoWxMilGFSTUNmlAMHdW8RAkSF8ol6fNNwSLkAa/fmPMhC3sR2TXEzW xxsVJT5cdIyeQLtq7uhFXjOTVF8aF6MUYYhPJ04= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq53j+eu5qPnuE8R6p3qo opxfbr0Ik+WxZvbXDV+jGHbo71PB6u/KKg40sBLa7BmINGV86L2OI3ThTwQQBhix oJx9gOLpav/8mb6v1jgE6RVdmBbphlgAGCv2KX9lEO2U28nSFuZvP0m7LNuQFpdA JC4JUFJLkme6mZ6UDLzZrT82QhjQlt6eiszoA4/oNVEIOVBdDG0uMpFRh5xbGsqq HWJscfbxP086rb2MGhXccPEWs2o/Egco//RLS7c5Mu6PVxO6xYU3exqmzAhAXLz6 H0NPfzz8+iiUoaC+fk9x746UHISVEJecBxlKLl7QXGArATS09GeBDxo67mxdo5a6 gQIDAQAB -----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 304829869580517107474776631148571280848659 . . . . . . . . [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 2019-03-11 09:05:01 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-09 09:05:01 +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 'cclr.uwaterloo.ca' . . . . . . . . [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 21664608872477330536776316416120343642311951874958240279921858832814981909934559045574455894398372704618136576638357348070375212349632101041789149980847995064619704228041408073162215337312067175256793720304612308079228048739181821395990114567162358773497615005124638281647493165069385873468101529402102426358745171266011937594194640829876912282919261649424544445667560922929376254080021820472190331725277516345078309100947990200094225896554146209645472003476645994357654362926743730150374708944971335923839467052474892199500526625265635586925228055952171001344382351985687168542772789806585582234939465854862488943233 . . . . . . . . . . . . . . . . . . . . [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) 5cc55ca71e72358e600fbe77c028ffb5fc6ae06e . . . . . . . . . . . . . . . . [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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cclr.uwaterloo.ca' . . . . . . . . . . . . . . . . [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) 00ef00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001696c3672c5000004030046304402206697bf44ce6255e8d832585b1d151447380f5f4484435b40dd6ce6746354fbc8022004e4810573d6e30d86612f82f9cf212b358b34f0dc9f1cbeaab0c551f0d602f9007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001696c36746800000403004730450221008aaad706c1419cc5a38c6f73e58934a38f954216e53d88ac0f294fc176c08bdd022029ebffba585eb962f63005e2ef4f574ca52b385082f28521ef2b5a6c6cc6c007 . . . . [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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