biglab.ca

Issued by R3

About this certificate

This digital certificate with serial number 04:be:b9:7e:99:53:be:86:b9:1c:c8:59:0f:b0:72:79:e6:f6 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=biglab.ca

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:be:b9:7e:99:53:be:86:b9:1c:c8:59:0f:b0:72:79:e6:f6
Serial Number (int): 413349357960487251338789316130695921919734
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 54:66:6e:dc:cb:5f:13:19:6a:cc:d4:26:b7:ab:68:d1:07:a8:6c:fb
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ce:c2:5d:4d:11:d8:04:92:f3:3c:4e:1b:78:a1:01:0a:bc:1d:0b:19
Fingerprint (sha256): 67:d3:e0:c5:20:33:b3:ea:db:d2:6e:66:b5:e5:3f:1b:f4:8b:84:60:0a:5c:21:c5:2a:0c:3e:9f:a6:c0:f3:48

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate biglab.ca

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for biglab.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

biglab.ca
graphics.usask.ca

Other certificates including the domain name biglab.ca

(limited to 100 certificates)
biglab.ca
biglab.ca
biglab.ca
biglab.ca
biglab.ca
biglab.ca

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs3dRU4BqGm2tneGwmyMu
+jEsMPZH7vPE+fREZT288tJTHIhDpUqmte/mkpxo1sPL1aFzirbCYslzZt1hsnU0
StVnoDwmm3fJ+zBD3esOMinXDVFa99BVDm8ZBZgjffUHs31cvuKnI/fs5NbD4wz7
jFDfXku/GYA0YyTh0nEqcaO4ci6uloXldAUWfskvxhVNG2+BIT+kPX5sfFDq56Gn
i7esX4HBMux06gWLkKgAcH356bQBN4it5YBMgLdUwKj6ie2/7vSfBsW43tnd0Bd2
42lW7l6ONOhcItUrKOMzmyT8ii7+YQO4nYvLkNHU+7wIvgl97qH5L4GDCch8C+Ku
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 413349357960487251338789316130695921919734
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-20 01:03:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-18 01:03:01 +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 'biglab.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 22655494330034284192245211869530458693498093116564821910715733952153327067926115384686407558392877635463810106516513154707388819300443884768979018509026634112470509237790005029887534329716388359225424369940481192231330831883278989606119098768451317365207106697569780202931063342367760560696929733933743945084242942196394859179762778472077518418923052576120071693116157850708511937451680573352065926433535021336101130624453039095254737017588700482711646350820123728818129873483684795511180279124383590312907674662655450802112123187627883811168491874796713386321753263479591923120088457540886247626075420457048972897801
 . . . . . . . . . . . . . . . . . . . . [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)
							54666edccb5f13196accd426b7ab68d107a86cfb
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'biglab.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'graphics.usask.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018971094f1700000403004830460221009c38b969c53d8586214db11d9d1e091be2324615f0578f6db97f081151727a6d022100f542ca217cea824d56b17b9cb47c1f63047c34fe5c918e0c372aca5cb97e2f30007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018971094f0b000004030047304502205aa122adfecfb2ef504644ac01f9c62723dfe1c33120ddd0c83ae840335202ca022100c99bdafe2320c29945ad98919e959edec2d7374b31a35aa2f12da170354918aa
 . . . . [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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