www.tamchunho.com

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:6d:80:ce:12:5c:45:c9:a3:b7:d5:ba:ed:21:13:24:bf:c8 was issued on by Let's Encrypt .

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

www.tamchunho.com

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:6d:80:ce:12:5c:45:c9:a3:b7:d5:ba:ed:21:13:24:bf:c8
Serial Number (int): 124374275095149828620301590094260868530120
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: aa:e9:5e:3a:dc:ee:2b:73:19:2c:4e:8c:cd:3d:54:a2:f3:12:ac:38
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 22:3b:af:18:ea:09:d3:e5:f4:1c:47:36:9c:0b:c6:8e:ff:35:1c:34
Fingerprint (sha256): 2b:9d:df:92:31:2b:16:71:35:21:ff:e0:df:0f:c5:46:17:44:c8:ec:5c:dc:72:cf:87:39:75:2c:66:4c:a9:ab

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for the current certificate on www.tamchunho.com
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


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

www.tamchunho.com
tamchunho.com

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIGFTCCBP2gAwIBAgISAW2AzhJcRcmjt9W67SETJL/IMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMTAwMjEyMDBaFw0x NjAzMDkwMjEyMDBaMBwxGjAYBgNVBAMTEXd3dy50YW1jaHVuaG8uY29tMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwlqyU+giHZ/zWY9V+vybkVKkRjyY xMuofTUKDsYR30WmuphsfWddnV/3NQwf2sxC6bc/cIQTmgXcFRZdSQ8lHAcuXWd4 qSMc/hQRGRQX5NHvkgZOZ+IQUa5d/lEMycYZs9BDprthx9N0jzgxw1d/CbCbRXNo jPBs8weEPpFyVmz679ifCdbT4CgGNUKMvxznCxUozaf5CEYonmAybUfB+ePq9Nu1 haouC2gsGFlRc7sNYpWs6UoearlswASOCBXTbzk5t21MLN6aRbaXargIHUgQbwp6 hCbdiznI02V7ZggJC8emKnXXPO45L3O6anKLz+Yibp/sezcwu51b/ihh3iFQm2jI CsCP1LxiAuqDBTb6RhdXEpnSDBpI9TjvAZraZD0WttmdoT9QjM2XkbYdDLUBUPfw XXlk9x5upwHY4ynGRtoJ2ORt5YrfUwEWiq/ftm83f4Ay2TSCk+1QkGLEGbR9HMXE YVQs4HnCZ9rp+WYtQccNl0w/DPO09CX/VktT8hxHxoPuEH++IHQqSx/+NhyL/a9e 750ZGpNEXG1XAuFt6kF2jtPeMro1NVnj1zOVnvQFcqbc0CCcUyO6z+XAdnK8L0Cm HoVtdZVi/9mv6clj7tzas4GKTL+EwQEVKXsL6e6/xAv2XVN/jNFU2GfSKRss9l5i Hu3+r7TncOQHHrsCAwEAAaOCAiEwggIdMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU quleOtzuK3MZLE6MzT1UovMSrDgwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwcAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5p bnQteDEubGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu aW50LXgxLmxldHNlbmNyeXB0Lm9yZy8wKwYDVR0RBCQwIoIRd3d3LnRhbWNodW5o by5jb22CDXRhbWNodW5oby5jb20wgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYG CysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNy eXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBv bmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBp biBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBh dCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0B AQsFAAOCAQEAb8gxfCF1I4kq0IRGkpHdKqlhVF0LAgbeCFzHfXYGSjpdwXS/SbT/ PzvdRI0zK+Q7KNaSud4R9mN0G7XTHBbZCPsWFonmaY9TBmv/c/9MyMZ1OjNSg3/r vcXjLjte39emHp/FPhQH+igb/4LxjvmBL4f+PN3CoimFeh2MFjv5HDdzO5tOd3V2 8so1x5/gWdZfui78OmbP3SwoqJqiQcidEsqq32ZR/xXqvoVAuwaAN7v2iimRlFCP UUicIwlUPZ9jF4l8IyW3eZNtMqE2Gxm2JZEU3C+3rO+2HVX9sPTpPleMl00OXh2v N+cjR3ZsouKFRv9sZO6AvTez6pDLTYj0SA== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwlqyU+giHZ/zWY9V+vyb kVKkRjyYxMuofTUKDsYR30WmuphsfWddnV/3NQwf2sxC6bc/cIQTmgXcFRZdSQ8l HAcuXWd4qSMc/hQRGRQX5NHvkgZOZ+IQUa5d/lEMycYZs9BDprthx9N0jzgxw1d/ CbCbRXNojPBs8weEPpFyVmz679ifCdbT4CgGNUKMvxznCxUozaf5CEYonmAybUfB +ePq9Nu1haouC2gsGFlRc7sNYpWs6UoearlswASOCBXTbzk5t21MLN6aRbaXargI HUgQbwp6hCbdiznI02V7ZggJC8emKnXXPO45L3O6anKLz+Yibp/sezcwu51b/ihh 3iFQm2jICsCP1LxiAuqDBTb6RhdXEpnSDBpI9TjvAZraZD0WttmdoT9QjM2XkbYd DLUBUPfwXXlk9x5upwHY4ynGRtoJ2ORt5YrfUwEWiq/ftm83f4Ay2TSCk+1QkGLE GbR9HMXEYVQs4HnCZ9rp+WYtQccNl0w/DPO09CX/VktT8hxHxoPuEH++IHQqSx/+ NhyL/a9e750ZGpNEXG1XAuFt6kF2jtPeMro1NVnj1zOVnvQFcqbc0CCcUyO6z+XA dnK8L0CmHoVtdZVi/9mv6clj7tzas4GKTL+EwQEVKXsL6e6/xAv2XVN/jNFU2GfS KRss9l5iHu3+r7TncOQHHrsCAwEAAQ== -----END PUBLIC KEY-----

ASN1 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 124374275095149828620301590094260868530120 . . . . . . . . [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 X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-10 02:12:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-09 02:12:00 +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 'www.tamchunho.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 792896300043054088065184218397338420908612142436075090100705437215970787143322781828082967974246621349515495118071634513613143646676337406367893639693685486343392391016490054682149283006404483477849934281319052711262063051424377947702505726199132900634038041876734910493035798505246896029210472789747300115608850592865477492173583639673266808040692335795341143151197446694414998767708084212734262417645614485906635022545857763028655126430368068885564279645990100462186782936209482319124388139729317429657241935972670239513561336980751150771044088207220419859665278053176549487841954208696110642840182764161434108953651754889617436503186727736837399152459844218234767977412162134786143507717754395252109133120213256636636044932073561113307198605966089812307335553136086798173935853819754256588235580790182658383663372387779464392090932514775531352168978763925267192321009778399637771203324440064512072385236222383498711419718107327538929995732634438870302905936267706478424184949967112139592770660818922654788694299327814023731236679324605678910334272263403699779879846919815740906140185752527922260012494040382249427779188443495766652375125825504879703552358130179228612439320094072944898700264130027251812170690990634617796257324731 . . . . . . . . . . . . . . . . . . . . [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) aae95e3adcee2b73192c4e8ccd3d54a2f312ac38 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (36 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tamchunho.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tamchunho.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 (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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