knowre.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ac:40:38:ac:5d:b2:61:bf:93:8c:04:76:0c:a3:0f:cd:f0 was issued on by Let's Encrypt.
With 8 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=knowre.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ac:40:38:ac:5d:b2:61:bf:93:8c:04:76:0c:a3:0f:cd:f0Serial Number (int): 319950789762034345665945529627703667314160
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c1:c8:1e:f2:8a:b0:9a:52:97:f4:4f:2c:c8:33:03:ab:9f:6b:28:c0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 28:86:be:58:07:b0:fd:21:33:42:d6:f4:e7:3a:ed:28:58:c0:89:90
Fingerprint (sha256): a1:c7:1e:02:33:e2:d7:fe:b5:c0:ee:c9:96:13:34:60:c2:ad:35:91:44:f9:c1:c4:bb:c7:4a:15:f8:21:6a:84
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate knowre.com
8
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for knowre.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
*.knowre.com
*.knowreapi.com
*.knowreapp.com
*.knowreinc.com
knowre.com
knowreapi.com
knowreapp.com
knowreinc.com
*.knowreapi.com
*.knowreapp.com
*.knowreinc.com
knowre.com
knowreapi.com
knowreapp.com
knowreinc.com
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www.publinet.com.ar
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tastingplanner.com
local.knowre.com
local.knowre.com
local.knowre.com
*.knowre.com
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*.knowre.com
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*.knowre.com
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villaart.com.ar
coact.space
*.knowre.com
www.passmoresdiner.ca
*.knowre.com
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*.knowre.com
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*.knowre.com
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anusoft.in
about.knowre.com
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u.knowre.com
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*.knowre.com
knowre.com
local.knowre.com
*.knowre.com
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u.knowre.com
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walletwatcher.app
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jp-skt-purple-p.knowre.com
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local.knowre.com
*.knowre.com
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*.knowre.com
*.knowre.com
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htoohtoo.me
www.knowre.com
stm.daekyo.com
*.knowre.com
about.knowre.com
www.knowre.com
local.knowre.com
local.knowre.com
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www.thegoodcrew.io
www.publinet.com.ar
*.knowre.com
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*.knowre.com
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tastingplanner.com
local.knowre.com
local.knowre.com
local.knowre.com
*.knowre.com
knowre.com
*.knowre.com
Certificate
The complete raw certificate details for knowre.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFvDCCBKSgAwIBAgISA6xAOKxdsmG/k4wEdgyjD83wMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMjIyMzIwMTZaFw0y MDA0MjEyMzIwMTZaMBUxEzARBgNVBAMTCmtub3dyZS5jb20wggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDes/8vKFyBCGE1Qx2wrhYlZq48L+22P6M8HRHQ XuhCVGJ8jSgknnWZTcaTIc0pNSf7DOPS507f+ggzbunafMSBLNhd3E+uHZUiKyzA DeL1ZcTPRvwJwGPc3deMwo79X423waJxSpT2+/KDjQp0AQF7oTndTw62Gmaha8SJ J6M1Zp9Jl3nVnGzwGmJf8yg0T+d4CQR36gXzp76HT9HW0zZSRhFRHbKIiFKLWySW 5xaj5qwywNK2EEqHf8vZILmPSIgZZL5TqckktL7CdypZYpy+C92dlccodgcBvko5 6P8tNVhEz+QEzpRasPm9Q7kqemrm+5XGLE2/qwWRXJcKAYqPAgMBAAGjggLPMIIC yzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFMHIHvKKsJpSl/RPLMgzA6ufayjAMB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w gYMGA1UdEQR8MHqCDCoua25vd3JlLmNvbYIPKi5rbm93cmVhcGkuY29tgg8qLmtu b3dyZWFwcC5jb22CDyoua25vd3JlaW5jLmNvbYIKa25vd3JlLmNvbYINa25vd3Jl YXBpLmNvbYINa25vd3JlYXBwLmNvbYINa25vd3JlaW5jLmNvbTBMBgNVHSAERTBD MAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8v Y3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3ALIe BcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABb8/FXsQAAAQDAEgwRgIh AK8x4eaemkqtLcciYZ1c3OPmDXAiLnY1OgV4tGcFXCS0AiEApvrLBIG9o+Qjx8hS hikV7JFbdKElOMyAknJWmSvVJZQAdgBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkG jbIImjfZEwAAAW/PxV79AAAEAwBHMEUCIQDhouFJ+36kAGfgbX7zx8qdqHVSiOhD 2oiFoU7p3AUuMQIgTIgbyzdVyFiquAcL+IHv8FxoFvyCgTMZRCoFTThWyUwwDQYJ KoZIhvcNAQELBQADggEBAErdeuP7Ym7vbyeEHWlKppxwUPGb7v3VTa7wDxfuaiEB nb41SnYc200ElScapV8tjNcL7ZtZ5WIMcn6gwxZG0zeCfxUeuMVMK/AwZDwggjNU xR8LfSuMBBgvPSt5h2kTFHQE/K2e+UaUmKOceQlL3Y1MzKyMSnuvyqDFg6vxUZ+7 l1aKoG9oI6udWEfwSEMfM7s3ymL78izkiiUNs08ulRi3yRqDci9c92G3xQ7jY6lB KuogdevQkkTuz0K3rlSnTvK6IAED6cprrf2RtYS7VM/YJ7/ak4EyN6SNZC6+IPX7 diHUOHeT3/aLraZqMVH+y2oW07uojeziuWdTyLun2X4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3rP/LyhcgQhhNUMdsK4W JWauPC/ttj+jPB0R0F7oQlRifI0oJJ51mU3GkyHNKTUn+wzj0udO3/oIM27p2nzE gSzYXdxPrh2VIisswA3i9WXEz0b8CcBj3N3XjMKO/V+Nt8GicUqU9vvyg40KdAEB e6E53U8OthpmoWvEiSejNWafSZd51Zxs8BpiX/MoNE/neAkEd+oF86e+h0/R1tM2 UkYRUR2yiIhSi1sklucWo+asMsDSthBKh3/L2SC5j0iIGWS+U6nJJLS+wncqWWKc vgvdnZXHKHYHAb5KOej/LTVYRM/kBM6UWrD5vUO5Knpq5vuVxixNv6sFkVyXCgGK jwIDAQAB -----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 319950789762034345665945529627703667314160 . . . . . . . . [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 2020-01-22 23:20:16 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-21 23:20:16 +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 'knowre.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 28113663439233211785617259576669259629633118152970449027555335240663306264699812385896586908821846556458480772740951553479796741509183434585588333843709566031617651709403673906605916939593232613528939527617683026851216199379772201697323804892707441213054137706169676494489663010652146015618972244376100378766994538919220246368871562052328739067107563326095332374729937346533097794109138319602391788239815664848286001345563639322315989775992844551187897907613183058452505229448560761778180301428605697734355803963063170726368250576908881581948586351537154319417704651761462923082394995536177078686106897528600286825103 . . . . . . . . . . . . . . . . . . . . [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) c1c81ef28ab09a5297f44f2cc83303ab9f6b28c0 . . . . . . . . . . . . . . . . [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 (124 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.knowre.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.knowreapi.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.knowreapp.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.knowreinc.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'knowre.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'knowreapi.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'knowreapp.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'knowreinc.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) 00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fcfc55ec40000040300483046022100af31e1e69e9a4aad2dc722619d5cdce3e60d70222e76353a0578b467055c24b4022100a6facb0481bda3e423c7c852862915ec915b74a12538cc80927256992bd525940076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016fcfc55efd0000040300473045022100e1a2e149fb7ea40067e06d7ef3c7ca9da8755288e843da8885a14ee9dc052e3102204c881bcb3755c858aab8070bf881eff05c6816fc82813319442a054d3856c94c . . . . [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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