www.smartcitychallenge.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1a:4e:9d:92:e7:d9:74:53:9d:70:65:17:3e:c2:a5:b9:62 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=www.smartcitychallenge.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1a:4e:9d:92:e7:d9:74:53:9d:70:65:17:3e:c2:a5:b9:62
Serial Number (int): 270288697289103959947269521399570567117154
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:ab:a2:90:ac:99:f9:26:2a:27:bb:d4:7c:5c:9c:cb:e9:64:f1:0a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): da:3b:d2:d4:ee:0a:bf:bb:56:06:a5:98:12:74:46:3f:72:fa:e7:1a
Fingerprint (sha256): 35:27:9f:e9:3a:59:1e:39:67:87:f6:b7:08:3f:87:d6:01:0a:e9:cc:2e:48:30:5e:65:b4:8e:84:a3:ac:8a:ce

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 www.smartcitychallenge.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.smartcitychallenge.com

Public Key Algorithm

RSA

Key Size

4096

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

www.smartcitychallenge.com

Other certificates including the domain name smartcitychallenge.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.smartcitychallenge.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 270288697289103959947269521399570567117154
 . . . . . . . . [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 2020-02-23 06:01:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-23 06:01:46 +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 'www.smartcitychallenge.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 1001937349934945639500904593599446303194928622418186821928351978229852085544556315641126766348215830765808017359844127986584844410022404900586736780240032419877771550641108441901869599250296831745358861175547031322117553164254042736015092754277175223564222735796029549184129531756491147491976254048025345776424993622987489096714528366904035204445097989155027062857156010447362632228940418893445965211330407624762973263318154208997934754140266309525877223640811330741745906293571482159585310910440623232707828612931892289075701868270309805823331924227892467333365720162678252306095966426265567152231969693739488901234424590095550944762151532171682489089711752462157603752672821646984535859049420867103228699128633702651124833366581861110545310260694629957182721236137794337280170596239256003756948986461265573831558667904374301409031409193124185334795928411895002383977755593935609916111720302949405597885577945836594979509318739246263110482417035010082853172160709922963668624346561715050142957564743407067394086298279412506030929693266228160131074533611060464149587843668634646587777724111970118169821783251170556585400174351136711512976045364393185408492330856133442150544600360214468617333404678241212323381993812583646689677776147
 . . . . . . . . . . . . . . . . . . . . [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)
							d6aba290ac99f9262a27bbd47c5c9ccbe964f10a
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.smartcitychallenge.com'
 . . . . . . . . . . . . . . . . [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)
							00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017070da1a39000004030047304502204954c0a4066d8cb3fd65549f9ba7e489d8bcc03fa6af2d5d1a64b13bcd4e1cfa022100c7017e3d6c5477ddb3eba445ad6156ad275fa1a4f79b3135cc5b9c1ac74c01920075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017070da1a9a000004030046304402201d681bf28140d0c72c638ef6174e620e30ea8b1f2ebf5f25f67b7e2efea7a379022000c43798573c0a48581fc7efa682dca002d1ec875d1d8255863eb8df530241bb
 . . . . [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)
		0076df97395bb72262a38115c5cac90a949e1f0f6d12f152549855d015759d86bdb9812feac44ca06e03604e6295c995a927c1f0f177759b83d066531e0468d810c6ad301401386dd39dc2111ac26054b72a1ad3080d848d2561b292a4e9c6af545d1becc8a96f12e3ba71817e2e1dcad880576904798e522ff685028cea1cae3c64a9aa5a45f7947c9c3a9338326cb557616d265d0b4eb3f1a20929b178755f82f537097c8fc3341990e9c14899df43d767a02d88e8d3d997e536626b38a245ac786aa9c1a0dd39b82586f3f75a0bfc41d8148a6bc1ae2cef0d3263973ea3b3a05ca29b8ff91120a0ea8d531379160ad2ea65d30407ad79cda35ad8d00c0e1971