ahs-jitsi.uwaterloo.ca
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:76:ae:2d:94:14:f1:2e:1d:67:6c:5e:c1:69:1a:ef:03:e5 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=ahs-jitsi.uwaterloo.ca
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:76:ae:2d:94:14:f1:2e:1d:67:6c:5e:c1:69:1a:ef:03:e5Serial Number (int): 301721699420032514285222055950211877897189
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 9f:38:48:1a:65:69:3a:18:9c:3b:c0:93:46:20:c0:cc:90:42:25:cb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 0a:24:e9:dd:48:a6:63:ec:3b:d2:df:d1:05:42:56:43:82:f8:d3:76
Fingerprint (sha256): 01:cc:cf:45:aa:3f:2f:d9:22:69:0a:7c:2c:a7:f5:8c:f6:b8:1d:9a:32:3c:56:42:06:f8:c5:e7:c4:d4:02:46
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate ahs-jitsi.uwaterloo.ca
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for ahs-jitsi.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
ahs-jitsi.uwaterloo.ca
ahs-meet.uwaterloo.ca
ahs-meet.uwaterloo.ca
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Certificate
The complete raw certificate details for ahs-jitsi.uwaterloo.ca in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFfDCCBGSgAwIBAgISA3auLZQU8S4dZ2xewWka7wPlMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDA1MDcxNTIyNDlaFw0y MDA4MDUxNTIyNDlaMCExHzAdBgNVBAMTFmFocy1qaXRzaS51d2F0ZXJsb28uY2Ew ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQChR30uAEZNKw89rasp132t 172oITDHA7oP9AnKh1AfTLPV5e3pTJEEzsUUdh4UrZRzEZlv2Kel8DdwDJefxpeX 1W+fIlC8GfzyCouHdBUMN92jwDMeJZXM6LJ/fEaEHLdmh9adXJKBOpba7cY5J7mN LBxJOkZ4OafjQsfRzHu2pP4K3lqZ6iQzLvpvtvmQPfvgLulq++O6qCHWzuwgnxt4 2UfgkX5dP/QTWOjIoJpQmQh6CdoVoRdjt9Jf2mJ+p93x6VnC3T4GOb6pqIs/+TD3 FFSq6/ASe8NtmNwgd+Q2Fo3TbZ3woqqeKu3ivgwt6grwUSeQpj4nKm5F2tkgezKF AgMBAAGjggKDMIICfzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFJ84SBplaToYnDvA k0YgwMyQQiXLMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wOAYDVR0RBDEwL4IWYWhzLWppdHNpLnV3YXRlcmxvby5jYYIV YWhzLW1lZXQudXdhdGVybG9vLmNhMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysG AQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQu b3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAXqdz+d9WwOe1Nkh90EngMnqR mgyEoRIShBh1loFxRVgAAAFx7/Ja7gAABAMARzBFAiEA8OaG0yBKjupfUD9e/2+Y snwaKzr2eI7PYzJQctte1a4CIFJYvO2vAkWvRdx7xXC4hG2Qit/ws9+MsHBdZE9b D9qtAHcAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFx7/JbAQAA BAMASDBGAiEA8dlRxR4p9P0iHh/PgE0Gl7EZJDFfUOYVkjxhqkUtn5QCIQDzWxFL yz2OIkUwT5g8K6NUS+TIH9NLKuXbqlztfJtE5zANBgkqhkiG9w0BAQsFAAOCAQEA gRHRCITvyDDK7VS5/kraxPUyQWrSLIxR+TQJpg00qaczmLWlDLH6SssG2b4YYXnt TczVNzO67rToaUrzjEjaUjeZkipl8kcs2RUYAg77KBWmk5yAoVCSHEHinzwuW/OH 4WFxWnbKX/O3Vnh6cejDg42KfX9BqUhP3RiPxieY16xELfDRDzLphP6yYgqwpSIp /qPzUx5Kh7/7RILzbd3H2lnAzpIkw3Zct2TU4sZzBfQAkCOCevOfeXTyZhpliX3O 04iWlHvnq++kv87m6e5SYdqiOVbZtFgn5OHQBVzpe69wUAeV0vamL0V1v9sOW2xH 36p/JPzO8itglbZ+Su1FIw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoUd9LgBGTSsPPa2rKdd9 rde9qCEwxwO6D/QJyodQH0yz1eXt6UyRBM7FFHYeFK2UcxGZb9inpfA3cAyXn8aX l9VvnyJQvBn88gqLh3QVDDfdo8AzHiWVzOiyf3xGhBy3ZofWnVySgTqW2u3GOSe5 jSwcSTpGeDmn40LH0cx7tqT+Ct5ameokMy76b7b5kD374C7pavvjuqgh1s7sIJ8b eNlH4JF+XT/0E1joyKCaUJkIegnaFaEXY7fSX9pifqfd8elZwt0+Bjm+qaiLP/kw 9xRUquvwEnvDbZjcIHfkNhaN022d8KKqnirt4r4MLeoK8FEnkKY+JypuRdrZIHsy hQIDAQAB -----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 301721699420032514285222055950211877897189 . . . . . . . . [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 2020-05-07 15:22:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-08-05 15:22:49 +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 'ahs-jitsi.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 20359619631016734538769526781869212554726272154141729532473684780359375415558134458957836679607337574649339176326386689558291404897262497158685762235995565713278110295294327656415443602020279019642469966458065447884023154200748285977680784523867431257234233714554613414919949839058495030225444668803661099537601157657989168273340391020204668167943026780239968316423478184370974340034937555161595007277526898067513484414659558806117295452054350359575888363264114064604010222284456162576708639719924818289321743299192602767637418062571316244065379580808197802002948424781040567189384492640898038281057868627808632910469 . . . . . . . . . . . . . . . . . . . . [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) 9f38481a65693a189c3bc0934620c0cc904225cb . . . . . . . . . . . . . . . . [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 (49 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ahs-jitsi.uwaterloo.ca' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ahs-meet.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000171eff25aee0000040300473045022100f0e686d3204a8eea5f503f5eff6f98b27c1a2b3af6788ecf63325072db5ed5ae02205258bcedaf0245af45dc7bc570b8846d908adff0b3df8cb0705d644f5b0fdaad00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000171eff25b010000040300483046022100f1d951c51e29f4fd221e1fcf804d0697b11924315f50e615923c61aa452d9f94022100f35b114bcb3d8e2245304f983c2ba3544be4c81fd34b2ae5dbaa5ced7c9b44e7 . . . . [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) 008111d10884efc830caed54b9fe4adac4f532416ad22c8c51f93409a60d34a9a73398b5a50cb1fa4acb06d9be186179ed4dccd53733baeeb4e8694af38c48da523799922a65f2472cd91518020efb2815a6939c80a150921c41e29f3c2e5bf387e161715a76ca5ff3b756787a71e8c3838d8a7d7f41a9484fdd188fc62798d7ac442df0d10f32e984feb2620ab0a52229fea3f3531e4a87bffb4482f36dddc7da59c0ce9224c3765cb764d4e2c67305f4009023827af39f7974f2661a65897dced38896947be7abefa4bfcee6e9ee5261daa23956d9b45827e4e1d0055ce97baf70500795d2f6a62f4575bfdb0e5b6c47dfaa7f24fccef22b6095b67e4aed4523