2015concrete.ce.cyut.edu.tw
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:8a:82:21:14:e1:43:10:e5:67:6d:32:8a:e2:19:9a:55:ec was issued on by Let's Encrypt.
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- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=2015concrete.ce.cyut.edu.tw
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:8a:82:21:14:e1:43:10:e5:67:6d:32:8a:e2:19:9a:55:ecSerial Number (int): 308468795839113903171150466869504583030252
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 36:2f:66:4b:40:89:99:8d:f8:77:e4:44:b9:b1:5a:b1:08:ae:e1:98
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 75:b8:62:ad:54:52:0d:e4:d9:d3:1a:df:9e:88:48:90:07:56:3c:7b
Fingerprint (sha256): 39:96:80:09:c5:d0:f2:ec:ab:34:e6:89:3b:d9:0c:c9:10:83:a9:89:b2:71:23:8d:1c:fc:b4:67:8d:17:0a:3f
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate 2015concrete.ce.cyut.edu.tw
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 2015concrete.ce.cyut.edu.tw
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
2015concrete.ce.cyut.edu.tw
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Certificate
The complete raw certificate details for 2015concrete.ce.cyut.edu.tw in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFbDCCBFSgAwIBAgISA4qCIRThQxDlZ20yiuIZmlXsMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MjAwMzQ5MTlaFw0x OTA4MTgwMzQ5MTlaMCYxJDAiBgNVBAMTGzIwMTVjb25jcmV0ZS5jZS5jeXV0LmVk dS50dzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALFbd/GZy8YjPtsv V6wrea+WtFhhzFnIcUtc/N6ywhEEzQzYcEE/jis2lL02q6g+XyM4i75ddB88tN6g EHBRnYbV9nVOPJmsYJppuqbpPq0o4d9MWrOFMPnkJ0Q65YbmmUVpOio0+jS4CoT1 HdkeXPXQFU64eYX9fnD6imVC1oizfrNschXxdn4+i6gBXSxQlaYx/kLDhh84B+e6 H4L6Sqt6KH1S044RiNxrgAfTmnMLmn4TLvzempi1zddcNeSfcMn4MOJDeyd16tJy bTBk9ObP2KoXr2bK2bcTK4oP7VPoOkbJT8N0Pkw99pHl3Wy4ERPem0xHNkqquYQn XtQOLokCAwEAAaOCAm4wggJqMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUNi9mS0CJ mY34d+REubFasQiu4ZgwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAmBgNVHREEHzAdghsyMDE1Y29uY3JldGUuY2UuY3l1 dC5lZHUudHcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggECBgorBgEE AdZ5AgQCBIHzBIHwAO4AdQB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvM VgAAAWrTkpGKAAAEAwBGMEQCIC2X0H9xNIS8NsJWi++BN+VAlVX8lyXSufbMJuK1 ITM4AiAiH7f2stIcOisIggxChCMDaAEW5YSoXq5BuGNewCvNbAB1AGPy283oO8ws zwtyhCdXazOkjWF3j711pjixx2hUS9iNAAABatOSka8AAAQDAEYwRAIgata93uW9 59/Uc4UVLY+dhhzCirtRJCLQ4d2KoM1DE+4CIDj5YL1JOqoH0dmxP/HQ16JSXSJt 4bG0X7lRzEqfC8ePMA0GCSqGSIb3DQEBCwUAA4IBAQBG794ANZjtL0ycwTJzhwIR jR6/7ll2OZAbMUw+G9tcfBy+TORFb4otiwZO4euGBkTOZByR95sEQygErJFBgHij WiAZ2893OT7C2dV9Yx66hlQLJZGQKuxuSH4jo40X/T9nY5HqyubrSatAOT0v8mj1 R+x9RVAT7ymXwVaS6gcD9LW2P74IObFIWxK6cbQKzMRRi8ALkW70Gt1PkbQE0bKu IjKNKfM5owvfQV7NJibCOZIy5JgxYUlDAAL4SXKgV4TeLlZLPpjw90wtMu3hWHNs /fcmnzdHUKYy5ZKlRSKTMKY5BgBz2rvfWyowE8IzptiLMMlGKqMt49t6Ik3VjvFL -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsVt38ZnLxiM+2y9XrCt5 r5a0WGHMWchxS1z83rLCEQTNDNhwQT+OKzaUvTarqD5fIziLvl10Hzy03qAQcFGd htX2dU48maxgmmm6puk+rSjh30xas4Uw+eQnRDrlhuaZRWk6KjT6NLgKhPUd2R5c 9dAVTrh5hf1+cPqKZULWiLN+s2xyFfF2fj6LqAFdLFCVpjH+QsOGHzgH57ofgvpK q3oofVLTjhGI3GuAB9OacwuafhMu/N6amLXN11w15J9wyfgw4kN7J3Xq0nJtMGT0 5s/YqhevZsrZtxMrig/tU+g6RslPw3Q+TD32keXdbLgRE96bTEc2Sqq5hCde1A4u iQIDAQAB -----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 308468795839113903171150466869504583030252 . . . . . . . . [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 2019-05-20 03:49:19 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-18 03:49:19 +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 '2015concrete.ce.cyut.edu.tw' . . . . . . . . [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 22389284792355384303167433375666180253420998745158123409996556332834642094054188504743903330806315935359116942852248549541387638761783487830015280940841829753871287922497021720521818828833222420090341117728801963490834404548314338041815694268691996494398437360383632156569315979199759833728336298754542735119563837774505533993847988874650918652592459951279000209767938568883181381994293536793949829986348173160962240964424954750670812848507069924257108214208490048222530623875669726631276289810766539151765291047105633180224631929772990373452837604127485633955578493121482389784558201642932222864653773104355702877833 . . . . . . . . . . . . . . . . . . . . [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) 362f664b4089998df877e444b9b15ab108aee198 . . . . . . . . . . . . . . . . [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 (31 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '2015concrete.ce.cyut.edu.tw' . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016ad392918a000004030046304402202d97d07f713484bc36c2568bef8137e5409555fc9725d2b9f6cc26e2b52133380220221fb7f6b2d21c3a2b08820c42842303680116e584a85eae41b8635ec02bcd6c00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ad39291af000004030046304402206ad6bddee5bde7dfd47385152d8f9d861cc28abb512422d0e1dd8aa0cd4313ee022038f960bd493aaa07d1d9b13ff1d0d7a2525d226de1b1b45fb951cc4a9f0bc78f . . . . [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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