wiki.microduino.cn
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:a4:6f:b7:54:9e:51:bf:75:97:6d:6b:4b:4c:2f:da:e2:36 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=wiki.microduino.cn
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:a4:6f:b7:54:9e:51:bf:75:97:6d:6b:4b:4c:2f:da:e2:36Serial Number (int): 404403948116197888259768754918789996012086
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: bd:3e:bb:42:26:1a:99:d2:2a:29:d5:cb:c2:27:78:52:22:bf:cf:72
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 0e:44:7e:29:a7:be:d0:f6:1a:41:96:0f:f3:03:f2:5d:7f:d3:f4:e3
Fingerprint (sha256): 05:45:7d:67:a5:cf:dd:96:37:c2:55:6e:ec:e6:70:ac:13:9f:80:84:34:7f:b8:55:b9:d9:cb:aa:01:36:3e:f2
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate wiki.microduino.cn
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for wiki.microduino.cn
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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
wiki.microduino.cn
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Certificate
The complete raw certificate details for wiki.microduino.cn in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGBzCCBO+gAwIBAgISBKRvt1SeUb91l21rS0wv2uI2MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAyMDgwMTUyMjdaFw0x ODA1MDkwMTUyMjdaMB0xGzAZBgNVBAMTEndpa2kubWljcm9kdWluby5jbjCCAiIw DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAMaAG5LGcOxDx9a64hs4QHh4eySA 2xmzyws+ZsLlckDWisy/8sGiYIXcOTl8GpFYxPsUOOqFbVVaigTcWuczNjBu1/67 mys4qMxq2OISvjbRtYxHeftehwVNE9Nvxx/rTHOrLInUCozLHqBtfEtdBH2xgT9n L33V1BSeWnRmlw+qd47kSOkCmuMG9Onrg37RYkyXLOBQCQTt2mpKbE95pR5jMoSB zjZLwdJMJ+mVNpBsJFmEwPWYJ7tAdDMXGYr4Gz/ubgYC++ghh3ALB+E4VJqqmKAh 2wPA/MikF0IjFUn9gO7YzD4YoJo7TamuUs3M3wCXNBOCzrUPVbM2rDjOoxdniKi3 KCxipv1py2NPock1icYHXGRuOI0BT6hkwmvwL1n5EHF7YyF9vkjnzYEJ43SGAHdk h4vWL9uXOSO37RPQkx8SFJvDtwYd40VcblLCEel+NzGTfGTuiqL8NyFY4DENuY0s 3l/El5lUYEf75r7RtyQNrQ8t29y0ksNYUHsgGTc3WFjXuhlVQ1GitltKrzJmL6wB /cB3hoAyz9WwBkDgI85z5Ox81Wwur7Om01tTqbuOEBwMycijin0OUjb3sPI80DKa 25HIe9Ie7dbFpgcVlwQtsM7T1s50Q5M8O9caN5pL14guqc8vTdz3imlS6QNkK3uD crN2yv2eCVaXTi4tAgMBAAGjggISMIICDjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE FL0+u0ImGpnSKinVy8IneFIiv89yMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZF Ze/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3Au aW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wHQYDVR0RBBYwFIISd2lraS5taWNyb2R1 aW5vLmNuMIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB 1jAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsG AQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQg dXBvbiBieSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3 aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRz ZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAFxrH4H2 gop1WPyMcNr1VhC78VUcGw5ZcQ04O/WVDyjwXoDwKzEuSsdJz2OtjHbxi8hVeGbH roS6dP9CKREdAF78mQjXq9A8VQvfGAKEV14WhxdlJiUV/tPQYGxYFNZLxFyUzsyU II5YoegrLxq3g5gptuHAU41vquuWcZD6c6OVzDQUSWpSbqVtjiHYqHkuPJpK/RZY qrmirBmD11N6TMai988VZK25qeSg8LXrOtkK5Gwo0fTlVKFD1qTu2fxaU70/0LsY ir04QJaoNeZWsXaI4WedX9PBRxk8UCeD5Ykj/ql2NgMGhjgbbsmXIIOm9dGnGUp8 dflxESuT8841aKA= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxoAbksZw7EPH1rriGzhA eHh7JIDbGbPLCz5mwuVyQNaKzL/ywaJghdw5OXwakVjE+xQ46oVtVVqKBNxa5zM2 MG7X/rubKziozGrY4hK+NtG1jEd5+16HBU0T02/HH+tMc6ssidQKjMseoG18S10E fbGBP2cvfdXUFJ5adGaXD6p3juRI6QKa4wb06euDftFiTJcs4FAJBO3aakpsT3ml HmMyhIHONkvB0kwn6ZU2kGwkWYTA9Zgnu0B0MxcZivgbP+5uBgL76CGHcAsH4ThU mqqYoCHbA8D8yKQXQiMVSf2A7tjMPhigmjtNqa5SzczfAJc0E4LOtQ9VszasOM6j F2eIqLcoLGKm/WnLY0+hyTWJxgdcZG44jQFPqGTCa/AvWfkQcXtjIX2+SOfNgQnj dIYAd2SHi9Yv25c5I7ftE9CTHxIUm8O3Bh3jRVxuUsIR6X43MZN8ZO6Kovw3IVjg MQ25jSzeX8SXmVRgR/vmvtG3JA2tDy3b3LSSw1hQeyAZNzdYWNe6GVVDUaK2W0qv MmYvrAH9wHeGgDLP1bAGQOAjznPk7HzVbC6vs6bTW1Opu44QHAzJyKOKfQ5SNvew 8jzQMprbkch70h7t1sWmBxWXBC2wztPWznRDkzw71xo3mkvXiC6pzy9N3PeKaVLp A2Qre4Nys3bK/Z4JVpdOLi0CAwEAAQ== -----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 404403948116197888259768754918789996012086 . . . . . . . . [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 2018-02-08 01:52:27 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-09 01:52:27 +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 'wiki.microduino.cn' . . . . . . . . [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 809811063954248743419155534195898074740878557898767383952323408554915355338174679676592862414450356224534399003622554524031101010807255154382760178177665144326543571842683698999248405024738360542658168422189957860766860860295152690104476916745220982865542294137056582631645094675707098057440783262215348403687272926160668820822154409116737849879809835715202107959347295109266240714290903869847883677415069898973788315788781964401756841735436393299481261480563869347561643379096773632985071328129719628213691423792260489014812904893847943482945377667866784791027768578511316999070437108516174146912882828789164035775866349799903367843136341271064434821079897435554758793737297540159697118976773157745603228482743360795817474483268281903006943373744499321282953243053958545379742234442878422637805230411714351783688830831929565106863481723620937357144376848492859223893084202605405923328265716629434366306529022780481093134631622501167408693801139280780029784299578505214145166071613086463099890953114258001790153274326230633325776146729936086925929323928407947578958632430100304882426341145592058577192116060235694802331650946087319927709155822297950967433316833524169041867123801572430390080752013263190868588311447699222333366349357 . . . . . . . . . . . . . . . . . . . . [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) bd3ebb42261a99d22a29d5cbc227785222bfcf72 . . . . . . . . . . . . . . . . [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 (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wiki.microduino.cn' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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