washington2020.smartcitiesweek.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:a7:16:ef:17:23:55:21:e5:e5:89:9c:12:37:ed:b8:25:37 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=washington2020.smartcitiesweek.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:a7:16:ef:17:23:55:21:e5:e5:89:9c:12:37:ed:b8:25:37Serial Number (int): 318194497515228675089293038463356543444279
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: bb:c3:1f:c1:6d:3c:cc:a7:97:12:43:b5:38:f7:bb:eb:a9:5c:97:c7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 4e:8d:39:11:72:e2:30:a7:c3:eb:5d:4b:a5:62:53:d5:de:8a:ee:4a
Fingerprint (sha256): 23:16:d3:23:f7:2b:f8:e6:0f:fc:dc:68:00:50:25:bd:0f:c8:8b:17:ca:eb:63:7b:f4:3b:1d:44:d8:ff:80:2e
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate washington2020.smartcitiesweek.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for washington2020.smartcitiesweek.com
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
washington2020.smartcitiesweek.com
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washington2019.smartcitiesweek.com
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washington2020.smartcitiesweek.com
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sandiego2019.smartcitiesweek.com
insights.smartcitiesweek.com
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washington2020.smartcitiesweek.com
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washington2019.smartcitiesweek.com
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Certificate
The complete raw certificate details for washington2020.smartcitiesweek.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFezCCBGOgAwIBAgISA6cW7xcjVSHl5YmcEjftuCU3MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDcxNDI3MDBaFw0y MDA0MDYxNDI3MDBaMC0xKzApBgNVBAMTIndhc2hpbmd0b24yMDIwLnNtYXJ0Y2l0 aWVzd2Vlay5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC0mY/Y 3sgGro/WIYxsBDVUnn3e7sP8C3dl9BEdtOknje0joRRTn1ddXARdQFulMH+gIqR/ x6Nng7nrxixjn0/EvMd2qfuraHyT4MBbKH6w3UFAINFVUDF/lyl/+2e43SoYCeNk hdR/d9rb+gtFDzRwRJXn+UcjXkyOlC3N5cnjOA66eoRNfTO9U1XAJYC3ebLh3xQ9 0Q9+4KoRCob2zwTtmg7FssWj9GpGRYd6K47HblIsfHVt/Q1CKip9sZrZLAtXzwyR pmc7EpGUDuqi8S7zQk5STfA9HF1om7/5c4/2Is4lpNH8HMiyyYSt6qCanh3hRLY7 3Jsqt67BdrEt8muvAgMBAAGjggJ2MIICcjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE FLvDH8FtPMynlxJDtTj3u+upXJfHMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZF Ze/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3Au aW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wLQYDVR0RBCYwJIIid2FzaGluZ3RvbjIw MjAuc21hcnRjaXRpZXN3ZWVrLmNvbTBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB2AF6nc/nfVsDntTZIfdBJ4DJ6 kZoMhKESEoQYdZaBcUVYAAABb4Cdwr8AAAQDAEcwRQIhAO/nJNuf7b6po8+0/HI8 0GQ9wsGMWIOEmMzpoFVb7q/2AiB95pHLtypj4mVeicjSAAd+FmhSdQyhja5JXvN3 UqFMwQB1ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABb4CdwrgA AAQDAEYwRAIgEXZ4vJLei4gd6xR1MD88YUf0YOWWa0P2tDI/wmL+ntkCICaA7piG TqzY0SmFIOTorumJSs4NeiLcYqQQQGi2cWxjMA0GCSqGSIb3DQEBCwUAA4IBAQBt aOBnDxuTIuw+GzOtDBaLsjPA+APB99a/yaHLif8G3VlkIUOaBbA+ox+tUY1nTSE2 TpJyhjDjEYm/gEGcj9MXSUxPJL4ijHOqtoLfgtBZNgfj2a/QAITC/43oovDeIZiO yHkpM353XY2ZPT+BDzUAexn9zWSZu4Z/WcssETAAhq8MiH3WGxWA/0Y9SUVWtO4f dPV+1CaVaQtKNG/OCAzAGQWQQRLXI6JYWNcOV8MSmxLrvycxlBOWiMdFiTRADmR4 mQsqfnUq0A6rdpn47RdYS2Astm+zHtvalunOhhwBIIA7DfRcDP+UecYpaeEjF8fo l6I50EKdFw8mMpyITQIE -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtJmP2N7IBq6P1iGMbAQ1 VJ593u7D/At3ZfQRHbTpJ43tI6EUU59XXVwEXUBbpTB/oCKkf8ejZ4O568YsY59P xLzHdqn7q2h8k+DAWyh+sN1BQCDRVVAxf5cpf/tnuN0qGAnjZIXUf3fa2/oLRQ80 cESV5/lHI15MjpQtzeXJ4zgOunqETX0zvVNVwCWAt3my4d8UPdEPfuCqEQqG9s8E 7ZoOxbLFo/RqRkWHeiuOx25SLHx1bf0NQioqfbGa2SwLV88MkaZnOxKRlA7qovEu 80JOUk3wPRxdaJu/+XOP9iLOJaTR/BzIssmEreqgmp4d4US2O9ybKreuwXaxLfJr rwIDAQAB -----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 318194497515228675089293038463356543444279 . . . . . . . . [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 2020-01-07 14:27:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-06 14:27:00 +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 'washington2020.smartcitiesweek.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22798619090503432165244361763877668440667075439416880817022269476889898249025836266669115510444014679662849601669827582036207898856729728679514686864041639298036684272844953772251757596476924181111981980256428946873066571606014197051999758828461612999438894047361905334751504864737476048515349745897251553445864704944262203412895367566333312343203116496300014459064384844153888918690543212810555849839789168297657398108356627370817095010429414413015500042894831483655300173079402582871085209614553845340745753734590514034149826235962451958324750588956384529630886533552478431769790576899812295163692046561091056200623 . . . . . . . . . . . . . . . . . . . . [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) bbc31fc16d3ccca7971243b538f7bbeba95c97c7 . . . . . . . . . . . . . . . . [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 (38 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'washington2020.smartcitiesweek.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) 00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f809dc2bf0000040300473045022100efe724db9fedbea9a3cfb4fc723cd0643dc2c18c58838498cce9a0555beeaff602207de691cbb72a63e2655e89c8d200077e166852750ca18dae495ef37752a14cc1007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f809dc2b800000403004630440220117678bc92de8b881deb1475303f3c6147f460e5966b43f6b4323fc262fe9ed902202680ee98864eacd8d1298520e4e8aee9894ace0d7a22dc62a4104068b6716c63 . . . . [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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