2015concrete.ce.cyut.edu.tw
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:15:99:16:f8:bf:e9:52:37:62:5b:24:2c:99:85:cb:13:01 was issued on by Let's Encrypt.
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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): 03:15:99:16:f8:bf:e9:52:37:62:5b:24:2c:99:85:cb:13:01Serial Number (int): 268686278659748797713953515734946189873921
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 26:95:5b:4c:fc:77:35:c3:61:e1:7d:23:f8:57:0e:a2:ef:92:1c:f4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ba:58:df:07:dd:a1:6f:fa:79:4b:8c:2b:d4:c9:ad:42:05:61:46:ac
Fingerprint (sha256): 4b:f6:f3:f1:06:8b:a6:a6:68:08:d9:9e:5c:9b:2f:e0:9d:59:73:06:dd:58:1d:5e:8a:e7:a6:0e:df:54:c4:19
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----- MIIFbDCCBFSgAwIBAgISAxWZFvi/6VI3YlskLJmFyxMBMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMTYwMzQxNTdaFw0y MDAyMTQwMzQxNTdaMCYxJDAiBgNVBAMTGzIwMTVjb25jcmV0ZS5jZS5jeXV0LmVk dS50dzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOxcV2smDB88Fdas OX/ERrIYwgr1Bdeh+d8Z8RoIazIpnVVV48q3glYfO5Sy928xi3M1Vx9+j5AAs9WZ VIeNXDzZGzcQdZV3EookKjtd+Ti5uGX9lqVTnyWk8u97BszN5Tv8G9IsIquUyHDW 3hYRjGVIqBOeYcyhibvD6tmG+3e2LT55exDJIaa0BP9apsZ5G0mSagGmH6VAHCKV 2rAY11vBMb072hqeg1pSeNie4t/FJbucKVErLWP+4Ztv4TX1dqG4PqVME4ZFNVqU qMTH4MbH2EcnJpXFENxBGSrfulbxdJAOnVm5uNiyofK9oGobLB38Lld/DYX7B7ZK D6/rB38CAwEAAaOCAm4wggJqMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUJpVbTPx3 NcNh4X0j+FcOou+SHPQwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAmBgNVHREEHzAdghsyMDE1Y29uY3JldGUuY2UuY3l1 dC5lZHUudHcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggECBgorBgEE AdZ5AgQCBIHzBIHwAO4AdQBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFF WAAAAW5yhIUIAAAEAwBGMEQCICUocqZNSQARRusVIuiW777uNWmkSoAA5qrDMMUA DipOAiBAown9E77KY71/vjKCezD/kPG/uLDb+cDb6+URElFeAwB1AAe3XBvlfWj/ 8bDGHSMVx7rmV3xXlLdq7rxhOhpp06IcAAABbnKEhSkAAAQDAEYwRAIgSiJV9KxB t4w4UlCI2v1HJcT9X6IRnvNLMAS8FdUB7nkCIE7CsitlJBkt8rTvrtgdnPdA1CB5 YB2Vvt+osDglfMv0MA0GCSqGSIb3DQEBCwUAA4IBAQB+4E34SzgB/+8nQodIeLXP vGEKPrCZsKd/Hknl9k2OpRK00NdUEfI+GWjAECMVZAzWHrnYDo6gJDamwWWH+Djd Ob3crpykSIBEJWYUQ1FY/DmuX1HxV0b4IgVbQoO7wCa0HjVjUKcJuGP2a4INAkr2 iwVQRs+/wUQPbhb0CCeTEZEPeCm+se3S2spF39dkmL8tEBqLWVlOMmWt4Q0qFOpc ms+p2ZJ8M0RdEcqZDNoyAW/w6/CL0/6ZN+AoHQ2nzHwi22yy9NezkVjVri/9i4NT dSlkInTUxQMI/cVzLifjGP+WxjZeNPjemViIUvmaF3xLYP5RhW2M8qkF5m3KGXKE -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7FxXayYMHzwV1qw5f8RG shjCCvUF16H53xnxGghrMimdVVXjyreCVh87lLL3bzGLczVXH36PkACz1ZlUh41c PNkbNxB1lXcSiiQqO135OLm4Zf2WpVOfJaTy73sGzM3lO/wb0iwiq5TIcNbeFhGM ZUioE55hzKGJu8Pq2Yb7d7YtPnl7EMkhprQE/1qmxnkbSZJqAaYfpUAcIpXasBjX W8ExvTvaGp6DWlJ42J7i38Ulu5wpUSstY/7hm2/hNfV2obg+pUwThkU1WpSoxMfg xsfYRycmlcUQ3EEZKt+6VvF0kA6dWbm42LKh8r2gahssHfwuV38NhfsHtkoPr+sH fwIDAQAB -----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 268686278659748797713953515734946189873921 . . . . . . . . [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 2019-11-16 03:41:57 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-14 03:41:57 +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 29837775252263999568333692741377501126443039763799359250061589171617310536076974919637344153617963696474548037598275280589144623458775231639467578470351397489127369649600354483584101619023180861174434217257432676046588538015108478709474393713704794984657273752297402996253131729209775860574049309586641966653671302409111536422975105789978059390494621717434514120540723413451169886867126900127607523008294692091468308019580951944631056136218412917005176969507272558809652773080310679088938973984913567311109870202273357649185041424237604112063719022942162078296467803920270082419596946254403135052593513041364427409279 . . . . . . . . . . . . . . . . . . . . [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) 26955b4cfc7735c361e17d23f8570ea2ef921cf4 . . . . . . . . . . . . . . . . [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) 00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e7284850800000403004630440220252872a64d49001146eb1522e896efbeee3569a44a8000e6aac330c5000e2a4e022040a309fd13beca63bd7fbe32827b30ff90f1bfb8b0dbf9c0dbebe51112515e0300750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e72848529000004030046304402204a2255f4ac41b78c38525088dafd4725c4fd5fa2119ef34b3004bc15d501ee7902204ec2b22b6524192df2b4efaed81d9cf740d42079601d95bedfa8b038257ccbf4 . . . . [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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