2015concrete.ce.cyut.edu.tw
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b3:98:ee:ad:ff:20:6b:61:24:9c:63:ab:00:39:52:35:fb 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:b3:98:ee:ad:ff:20:6b:61:24:9c:63:ab:00:39:52:35:fbSerial Number (int): 322450683425210439608470994069641720116731
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: b9:56:9f:38:d2:a9:3c:f9:17:92:9b:66:cc:1d:2a:00:8b:30:fc:03
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 4b:f2:f9:4a:7e:9f:17:cf:c9:8a:84:d7:bb:7f:14:6e:ff:c5:56:9a
Fingerprint (sha256): 0a:62:94:7f:0b:ee:70:68:77:b8:d8:5f:f4:a0:66:70:c3:94:0b:07:91:9f:d4:6a:09:dd:be:43:c8:4e:1a:a1
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----- MIIFbDCCBFSgAwIBAgISA7OY7q3/IGthJJxjqwA5UjX7MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMjEwMzE5NTlaFw0x OTA2MTkwMzE5NTlaMCYxJDAiBgNVBAMTGzIwMTVjb25jcmV0ZS5jZS5jeXV0LmVk dS50dzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOOy49dY59GiQYdj y3UFjI8/baP2R80TG+BRBQl3SzH4jkQToC/blCP43dQMlhSptczyFdbe0IsjKw1p 3a2g/dqnzwlnBCxb4pScbeIBDFd0o6YilQT9HHvB8Gbndn1E+SVAckiPzi8zh3++ 3oydGPMYfEyX1bNRtGriOjM2golTbyiAeZmwI4D6llvykDpVdrdNMTz6osasKF7u Fsv//M1iy6c9CCv0eSKE1fqmzmLtu8bleNbT6BTBBjJAXsw3wv1UOpbo/d6RfKf9 evSE63qpvHKk2iFPZ/UNNaYWtvQuOKyDG6AQSPaItG8VYd3DlR7g9mNXpKt7zjSD yQ47AGMCAwEAAaOCAm4wggJqMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUuVafONKp PPkXkptmzB0qAIsw/AMwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAmBgNVHREEHzAdghsyMDE1Y29uY3JldGUuY2UuY3l1 dC5lZHUudHcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggECBgorBgEE AdZ5AgQCBIHzBIHwAO4AdQDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb /gAAAWmeeihyAAAEAwBGMEQCIBK+tvGGD159/aNX/4Z8+SenJvhkK+71/jKYcc53 ezTqAiApEQbbZm2Kp6/p5SDdgjMTkGS1xJZvgvWWO92HlU3xvgB1AGPy283oO8ws zwtyhCdXazOkjWF3j711pjixx2hUS9iNAAABaZ56KMQAAAQDAEYwRAIgISVnxQRp yphjwDvYDc4LuX+PUfQvok/dCbI2GxTt7L0CICiMwpGwEYOn6IE7Mhq/hrHkLu7v ckzqycji/7kBE+3RMA0GCSqGSIb3DQEBCwUAA4IBAQCPDiPr22AVihUto257A1wO NnjJdVzUlNZeq62juWSdtEOQz3tWrupGg8DA70sqOc6U/Tx0C0oxwPaHaqVqwImS 1iAy/5z6MzZ4iCZEZlsoOk7HjLrsIxsclS2hLyW/78mh3c+OAiYgTsQw//GFWQta nWshMlSBRv5FJh+ZbLJngwp8QhJes7xpqEjggb9ZK/ScX4kPZrDgGP0TEeKHHL4g U9eyNtCN03aCGyWJFzBLFzNmy6lav3nhomndv4bME7zNxmR0Y7KyFfdTDrI9GrZD /2woOXN/a2cby9mOUca5PDzXGUA7xsXGDBnth68wH+W0LGkwghCBE1gT7wieKizv -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA47Lj11jn0aJBh2PLdQWM jz9to/ZHzRMb4FEFCXdLMfiORBOgL9uUI/jd1AyWFKm1zPIV1t7QiyMrDWndraD9 2qfPCWcELFvilJxt4gEMV3SjpiKVBP0ce8HwZud2fUT5JUBySI/OLzOHf77ejJ0Y 8xh8TJfVs1G0auI6MzaCiVNvKIB5mbAjgPqWW/KQOlV2t00xPPqixqwoXu4Wy//8 zWLLpz0IK/R5IoTV+qbOYu27xuV41tPoFMEGMkBezDfC/VQ6luj93pF8p/169ITr eqm8cqTaIU9n9Q01pha29C44rIMboBBI9oi0bxVh3cOVHuD2Y1ekq3vONIPJDjsA YwIDAQAB -----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 322450683425210439608470994069641720116731 . . . . . . . . [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 2019-03-21 03:19:59 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-19 03:19:59 +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 28744309176386277548663606291811755407187903613351325683489970277886770041516918662524925470176828997369844657191337839809352169678733879413742533378898724813935346184090210778934222059055442524793847172240420680070030926710702135402347977904917118693953932589284908120405208152126027846556384888636791505356853269673561414065720117399599567872196225653999288183571845812084126262869621168593693574762680145494121008829706062806396534209594908688263409426152108208476128875514172155900761532509015314619110512641466452811080526212552052606653882960391098978499112741864936574505927625149671564790282741075139005972579 . . . . . . . . . . . . . . . . . . . . [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) b9569f38d2a93cf917929b66cc1d2a008b30fc03 . . . . . . . . . . . . . . . . [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) 00ee007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001699e7a28720000040300463044022012beb6f1860f5e7dfda357ff867cf927a726f8642beef5fe329871ce777b34ea0220291106db666d8aa7afe9e520dd8233139064b5c4966f82f5963bdd87954df1be00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001699e7a28c400000403004630440220212567c50469ca9863c03bd80dce0bb97f8f51f42fa24fdd09b2361b14edecbd0220288cc291b01183a7e8813b321abf86b1e42eeeef724ceac9c8e2ffb90113edd1 . . . . [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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