taglab.ca

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7f:3d:58:4d:47:78:c4:f9:15:f0:63:d5:59:08:d1:79:0d was issued on by Let's Encrypt.

With 8 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=taglab.ca

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7f:3d:58:4d:47:78:c4:f9:15:f0:63:d5:59:08:d1:79:0d
Serial Number (int): 304634259791514471079403270837691539880205
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 91:a9:70:88:97:de:48:ba:5f:5e:7a:5b:db:23:9d:bc:b2:70:ed:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 40:4b:1f:dc:67:26:1f:d4:cb:b1:61:b6:9f:c3:86:ef:83:5d:12:e7
Fingerprint (sha256): 89:b9:e2:3e:e5:46:20:aa:b5:58:30:63:7e:66:89:ef:9f:2d:ac:31:cb:eb:52:dc:b5:4e:94:8b:50:78:4e:fc

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 taglab.ca

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for taglab.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

cosmin.taglab.ca
ron.taglab.ca
taglab.ca
taglab.toronto.edu
taglab.utoronto.ca
www.taglab.ca
www.taglab.toronto.edu
www.taglab.utoronto.ca

Other certificates including the domain name taglab.ca

(limited to 100 certificates)
taglab.ca
taglab.ca
www.taglab.utoronto.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
www.taglab.utoronto.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca

Certificate

The complete raw certificate details for taglab.ca in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtSNvEnkPQ9kY9RS96H+A
8xGiXpTjBI9Bmm+dWL9d7ROZQW0bXB6kOjmK4Sf1l7ACNoWhDG9OyVP1qt6V04Le
++OBovnuGQicr133yxZ/neuulEptc/cSXc6wP2CDexPpT81jT/H2qJio15NDn/yO
GfRvlXK58/KdsU1N7V7v/6DvyyJ3NuFjdUTlZ2Ial899Dh6BeXYrUQA4cR85IkIC
jDLfF/h9Wz1ovx3ebpiYJ+DZ2EH+I2xtbUI1L+sAtfnu8OM0n34+hp9EyAYM0R08
0/hlM9BfXDCLsvCaUprQQPk99j1g1jqpM08jM+yE4Od9yJLDK+dm4z4NQMQ1mesP
kQIDAQAB
-----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 304634259791514471079403270837691539880205
 . . . . . . . . [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 2019-08-07 20:11:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-05 20:11:01 +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 'taglab.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 22866606294157945460983657377708444265023119049619937893664234635576081959887322822923672407789180730082777863089422624998688807394011048988907708804796205796237025496164249773187197203768954692126109972633174257990751454712305702687519466676963471308905906839308935212236334518936547819692280728523281975222666124727566399089785509655282608063246340681089489731576332597802523381824595444155534647361559102514925256621807423488753099939314534901699464280310926550577990191877995727486600623566741380126320499639665898144602180137577653797814418708689823211433183813575231866730395678404360970627588738415574863515537
 . . . . . . . . . . . . . . . . . . . . [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)
							91a9708897de48ba5f5e7a5bdb239dbcb270ede2
 . . . . . . . . . . . . . . . . [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 (150 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cosmin.taglab.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ron.taglab.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'taglab.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'taglab.toronto.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'taglab.utoronto.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.taglab.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.taglab.toronto.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.taglab.utoronto.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)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c6debbe0d000004030047304502206ab1ef47064a70b908f2337eeed6d4f03396711d00b3b91ac858679bbd881cfd0221009ff49fe564c8f933cd19e83ee0450ce51b305d6d4f6829155ba80da41f1a0e2200750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c6debbdfb0000040300463044022053ddffb7af226f8c0944c4301439bcc40ae7fb3e44cb2b4ad4e27fce102a9d380220292d9fc717c406cf36898d6b8a7f3541213ddb4e8a75a91b77f9e1c8fc40b05d
 . . . . [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)
		002a76676980bace3e983a70402d630d6dbbc96b3200fb0c47f3501f72ed9a08818ed267efae38f49ada80e5f2168c14d66faecbb1434e669b5d90401cc130d44bb664dd33faa7d4429d3b5a2450419ede58350aa3a10c22657d8d85024f324673cf4230b498354c4419e919a9cdd4927b49d83970052eb11fea90934dbadf046870bce6467cd1400271a9052f60c48cfb4b716557bc5395e5b662f1102f89118d313c19e04f5edc2eb1e5dbb06af63041bd9be13342c68eabe1d2c83b10c932a36ec6823337bf0c5a9fa20cfcdd0c87854736febd43338da166311a0935ddd7a367de331640e7dd6108a71e1807d1d1f53644eaa9b73b3597ea02286ef8f894c1