smartcitychallenge.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:12:7c:21:26:93:12:e9:2c:53:eb:ad:8c:8e:df:dc:f0:75 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=smartcitychallenge.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:12:7c:21:26:93:12:e9:2c:53:eb:ad:8c:8e:df:dc:f0:75
Serial Number (int): 267626936799515250947349530568002138599541
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f1:95:26:db:f9:00:25:ce:ab:35:12:76:ce:05:c0:a3:c1:e7:02:04
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 13:e7:46:cc:08:53:2b:89:b0:3b:81:02:0b:ea:cc:c1:f7:ba:26:3a
Fingerprint (sha256): a8:30:ce:56:f6:ab:4e:63:03:6d:6f:39:d2:49:15:19:b0:7f:aa:71:33:5c:02:f2:d1:15:8a:76:34:fd:23:2a

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 smartcitychallenge.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

smartcitychallenge.com

Other certificates including the domain name smartcitychallenge.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for 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 267626936799515250947349530568002138599541
 . . . . . . . . [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 2019-08-16 03:08:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-14 03:08:53 +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 '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 715107472893801980921919739707991822992037619644215060474203999652274526636120334343931354222033726817298202963036613667667556661444931091758935357292198760871050381924369347267245049481506616314448553830095469224442134230944205304483347102300830327439305973321962312426167710606739237629801745061715547615848538730095199137885605280320915903982115851022695318023964881977437306292364641739391597478469505753026131438545909051611274744930492127978986160533851758145110633211618664918752931209933437336047639657730470561923630699268465018390989254829913640636921161831186071262484916311371211644246109418419231557592637982512154358027580674007707581775444430528770088570959118028170859684667770131158990429094249260513887623424688637343286832519584393677481435369434464634784283730357588167647429481150730279539796710575647961984693376467432234682137478539585525014112548834609407000817329266696795687786028677522267660698077384018086390614069439398742143477720093195171024496313614514236107403876511677885829680519305302384061506456507398750213182920294074123498551974424344586701799270117866428707432694812129275170073749435642899711824461732306911529005137924431984950918525224899089766241685995031623252753174204978322471982487747
 . . . . . . . . . . . . . . . . . . . . [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)
							f19526dbf90025ceab351276ce05c0a3c1e70204
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c989d2d840000040300483046022100d75019240e704b51f10b6abfbcf01257dce497276d1b6b880a761f3e03eb51ca022100d6fa909906648a60adeb641290aa500ad78bcc430ac4834d2221932c93649e74007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c989d2d790000040300473045022100bb1ca80ce7ff61830dbba3c2dcd4622ce655ff320145d4b60b7e229787207923022046ef214a534310fc4fe06aaedd204e2064fed00cba91851e26659092fe87298a
 . . . . [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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