*.smartcitiesweek.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:4b:c9:15:b4:a3:5f:cf:f4:ec:cd:0d:51:21:12:95:2b:af 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=*.smartcitiesweek.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:4b:c9:15:b4:a3:5f:cf:f4:ec:cd:0d:51:21:12:95:2b:afSerial Number (int): 374237608775275740295411638251817287363503
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 31:af:93:da:c3:e7:35:5b:f2:9f:18:1f:1d:a2:da:9f:3d:a1:86:87
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e1:90:f8:d1:ce:b1:12:7c:6c:87:f7:bc:46:fd:eb:4b:28:2f:b9:71
Fingerprint (sha256): 99:00:58:6e:82:e9:72:cf:92:9b:f6:83:49:b9:51:ff:dc:b6:1b:b0:ae:9a:af:0c:3f:70:ee:a3:c1:02:95:80
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate *.smartcitiesweek.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for *.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
*.smartcitiesweek.com
smartcitiesweek.com
smartcitiesweek.com
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australia2019.smartcitiesweek.com
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australia2019.smartcitiesweek.com
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partners.smartcitiesweek.com
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insights.smartcitiesweek.com
*.smartcitiesweek.com
dev103.mci.smith-and-williams.com
washington2019.smartcitiesweek.com
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washington2019.smartcitiesweek.com
dev103.mci.smith-and-williams.com
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australia2019.smartcitiesweek.com
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dev104.mci.smith-and-williams.com
*.smartcitiesweek.com
partners.smartcitiesweek.com
washington2019.smartcitiesweek.com
washington2019.smartcitiesweek.com
australia2019.smartcitiesweek.com
washington2019.smartcitiesweek.com
sandiego2019.smartcitiesweek.com
partners.smartcitiesweek.com
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washington2019.smartcitiesweek.com
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australia2019.smartcitiesweek.com
insights.smartcitiesweek.com
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australia2019.smartcitiesweek.com
washington2020.smartcitiesweek.com
smartcitiesweek.com
sandiego2019.smartcitiesweek.com
insights.smartcitiesweek.com
insights.smartcitiesweek.com
dev104.mci.smith-and-williams.com
dev104.mci.smith-and-williams.com
washington2020.smartcitiesweek.com
australia2019.smartcitiesweek.com
dev103.mci.smith-and-williams.com
dev103.mci.smith-and-williams.com
sandiego2019.smartcitiesweek.com
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dev104.mci.smith-and-williams.com
australia2019.smartcitiesweek.com
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australia2019.smartcitiesweek.com
australia2019.smartcitiesweek.com
partners.smartcitiesweek.com
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insights.smartcitiesweek.com
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australia2019.smartcitiesweek.com
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dev104.mci.smith-and-williams.com
*.smartcitiesweek.com
partners.smartcitiesweek.com
washington2019.smartcitiesweek.com
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australia2019.smartcitiesweek.com
washington2019.smartcitiesweek.com
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partners.smartcitiesweek.com
Certificate
The complete raw certificate details for *.smartcitiesweek.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFeDCCBGCgAwIBAgISBEvJFbSjX8/07M0NUSESlSuvMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDcxNDI2MTJaFw0y MDA0MDYxNDI2MTJaMCAxHjAcBgNVBAMMFSouc21hcnRjaXRpZXN3ZWVrLmNvbTCC ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOrq2QgGJZEUBL4A87fr1HjJ g19BUAya+/st/3gXO25+T6DKp5tHkLDr73pMZObJ0YP9k6QQb5DETOXfeFtgd9Bc aOEH5NGMYwWoHVnPgFPEoH4y4zjlU1umPLwMBPvWWyp9O7vQaKDQFfaJc5BxfBK7 6zmSBp0J7H+v0jb3dGOPtpsgtht0DmH6AwLrzmXtkHlP4ELJ9TEH3D8uVX2cYEC5 RLMrG3bQI4FrXJr8SxpUiR66czZxfP64VjW9V6Y09918ccRoJmE6OnQtjLrqCil+ CrsHyD7wEB2PLQIoVdwXJuF8pQCY+LxjV2XDeIcyUqrA/MQov2heyAayZP4NzZsC AwEAAaOCAoAwggJ8MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUMa+T2sPnNVvynxgf HaLanz2hhocwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYB BQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnLzA1BgNVHREELjAsghUqLnNtYXJ0Y2l0aWVzd2Vlay5jb22CE3Nt YXJ0Y2l0aWVzd2Vlay5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC 3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcw ggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwBep3P531bA57U2SH3QSeAyepGaDISh EhKEGHWWgXFFWAAAAW+AnQf3AAAEAwBIMEYCIQCk7rYbVCGu61YvUsJNnKPPWBtD LuO8j3tLFB7sMebGWAIhALySwb6qw5vrk3S93HP1glOt0Gul7qA2VdqOeq3VNucZ AHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFvgJ0H7gAABAMA RzBFAiEAuxIFKp2ExRJ8cdG5A3kNLzC4AH2xvxqDZoka4MEKHi4CICTqHq4i/EnV D95KNW1t2KXQ8lkixGFrK7+CNdPmyV3XMA0GCSqGSIb3DQEBCwUAA4IBAQAiAevN dI+IxZxUHt9P8Vur53r+SQtDBKHOfVvOKghBVYs+JdWI/H6xADjyob2crZLb6lk8 1vcFvRFGKTGfRDwzPZjz8uNkCj0x9AlWRryXcC0X9hPCEx0zSiBZXA5l+fg5bZ99 Sk28CCTGPt0oqiU+jSqOIIzoBHeOvG3trdflkPcd0bM5479Qozgr//AkpFVXaXOE tFGiO74jUnhDjSnoKELGTS5ZSKl+WVXCQyN6+WXBrMgiFprA1PCbfaKjlUrd777Y FBEbSeNJvNbtlXbJmFpYP+LYnLQyV40KptGK7WCDtrGlsPGhtFraimHcqZx3eFsq SLc8/LwzizNz6+yb -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6urZCAYlkRQEvgDzt+vU eMmDX0FQDJr7+y3/eBc7bn5PoMqnm0eQsOvvekxk5snRg/2TpBBvkMRM5d94W2B3 0Fxo4Qfk0YxjBagdWc+AU8SgfjLjOOVTW6Y8vAwE+9ZbKn07u9BooNAV9olzkHF8 ErvrOZIGnQnsf6/SNvd0Y4+2myC2G3QOYfoDAuvOZe2QeU/gQsn1MQfcPy5VfZxg QLlEsysbdtAjgWtcmvxLGlSJHrpzNnF8/rhWNb1XpjT33XxxxGgmYTo6dC2MuuoK KX4KuwfIPvAQHY8tAihV3Bcm4XylAJj4vGNXZcN4hzJSqsD8xCi/aF7IBrJk/g3N mwIDAQAB -----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 374237608775275740295411638251817287363503 . . . . . . . . [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 14:26:12 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-06 14:26:12 +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:12|false] UTF8String '*.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 29655571117942293556637583209860308888878215088955023996981031609030480760175836702206170279814123888088183999822646270631160064948836514354427068769392397072085315463193263286921857208495938912751259468219844232823901540956758979559142256513771900183917747782585860194751567953258036234731081438156473759856541299486270541062651358690166655175105133962621068936462121226072923371934145014313241955356253606658255802649217312718765639409177742358904785253744132260744496268929699823362009953454099229579377076381645158874357791925819527659519770643584713766606190771414427735255991253984418594473812825391745335152027 . . . . . . . . . . . . . . . . . . . . [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) 31af93dac3e7355bf29f181f1da2da9f3da18687 . . . . . . . . . . . . . . . . [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 (46 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.smartcitiesweek.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f809d07f70000040300483046022100a4eeb61b5421aeeb562f52c24d9ca3cf581b432ee3bc8f7b4b141eec31e6c658022100bc92c1beaac39beb9374bddc73f58253add06ba5eea03655da8e7aadd536e719007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f809d07ee0000040300473045022100bb12052a9d84c5127c71d1b903790d2f30b8007db1bf1a8366891ae0c10a1e2e022024ea1eae22fc49d50fde4a356d6dd8a5d0f25922c4616b2bbf8235d3e6c95dd7 . . . . [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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