2015concrete.ce.cyut.edu.tw
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:bd:6c:02:70:48:83:46:5f:ed:ec:81:2c:62:0e:35:72:02 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:bd:6c:02:70:48:83:46:5f:ed:ec:81:2c:62:0e:35:72:02Serial Number (int): 325793794428851528442500192721927660728834
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: e1:3a:b3:63:33:b3:0a:4e:ce:2d:ca:44:d6:cd:4e:37:70:d8:93:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 30:e5:3e:44:27:6f:d5:52:ad:1f:99:d3:8c:7e:60:c2:59:36:44:a9
Fingerprint (sha256): 3b:a8:a4:a0:74:04:3d:95:11:2a:68:99:b9:43:65:2c:c4:62:27:e5:30:2a:ea:d0:df:82:31:29:cd:4d:84:55
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----- MIIFbzCCBFegAwIBAgISA71sAnBIg0Zf7eyBLGIONXICMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMjAwMzI4NDVaFw0x OTA0MjAwMzI4NDVaMCYxJDAiBgNVBAMTGzIwMTVjb25jcmV0ZS5jZS5jeXV0LmVk dS50dzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJ4vRX46UVMNb8va 72N4ZLDRGs3mUvBHGmrynkNDAqdUzPw8Azm2ZtHqgLs45qu+bBfP1gGDIEFrBK+G zFBLmmQ9bQrymL8aH49Ne82fpJGT/JwD1Z1wAOQEvNN9lq1yZcLglLdOJywZRept Nevf8Md2POkEmane4hfoxAXZcOOq93e1hAB0MCJgYVGXIOAVmhe6oeNghxleM/Vg DxdaQt88uWUu6gjYz2HV1IDwE5TAtabeEqjYEf5PAKIdlHD9KK+EVlzMc3/A+SGk 1uEGGi47IVG4b6FXr2AzwRCphEBoWTmwxMnxwAKdKYHGFyONg+SgGxCkufJ3KqLp tLy3+5UCAwEAAaOCAnEwggJtMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU4TqzYzOz Ck7OLcpE1s1ON3DYk1YwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAmBgNVHREEHzAdghsyMDE1Y29uY3JldGUuY2UuY3l1 dC5lZHUudHcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEE AdZ5AgQCBIH2BIHzAPEAdwB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvM VgAAAWhphJ9CAAAEAwBIMEYCIQCa+YZ+FHrq6U2i5Ekb6TbFhF2xQLwF5JBc5yOK 3lw5JgIhAI0J20PVGPA4rlz4v/JAsaYysVMap3o36fe/4VEfjsDZAHYAKTxRllTI OWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFoaYSfkwAABAMARzBFAiAPUppU 6zty6IP1ST3p8Zj5rBsVUNxDsk5DpF+htzd3NQIhALER1KnC4eJvNaNyP9wxi73x OxfWFV1kHCzvusZ1XTN0MA0GCSqGSIb3DQEBCwUAA4IBAQA4pViW0ePB5uEP7Dpn qjoU4q7p6k7GTpIDrWWrRCyMdOilVU7oY4lxTJbJqCkTyck/fLZQSGLlY4o00lxM ER+kzKseNJuf5o7QE1neIoFRKUVsgdlMUhkkM7aC0Gxs4+yx1/W4LIQpXQe2pZiI x9YbW1LdaWu4v3vO4CPhMgO/fKx0LI1FXD8siWNzOjTItGAPo5rPOwXj2YD4zIEE rA+J1yEIBshXO+xaepgDjizbop20GiE09cRV/zuVt5VINuxXIZcIe5s86DArkY/D o3SL30MBDarvGWyzuZqV1ed/wolglo6RdhAjU/3aEdKx6C9zGYiydSrZ0jlOBNCM 538A -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAni9FfjpRUw1vy9rvY3hk sNEazeZS8EcaavKeQ0MCp1TM/DwDObZm0eqAuzjmq75sF8/WAYMgQWsEr4bMUEua ZD1tCvKYvxofj017zZ+kkZP8nAPVnXAA5AS8032WrXJlwuCUt04nLBlF6m0169/w x3Y86QSZqd7iF+jEBdlw46r3d7WEAHQwImBhUZcg4BWaF7qh42CHGV4z9WAPF1pC 3zy5ZS7qCNjPYdXUgPATlMC1pt4SqNgR/k8Aoh2UcP0or4RWXMxzf8D5IaTW4QYa LjshUbhvoVevYDPBEKmEQGhZObDEyfHAAp0pgcYXI42D5KAbEKS58ncqoum0vLf7 lQIDAQAB -----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 325793794428851528442500192721927660728834 . . . . . . . . [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 2019-01-20 03:28:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-20 03:28:45 +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 19968962609039789939672416690966642668588407792469495542291368968772061304606234319829955969354016903026810513258555469205236729961079174650523285614200455045287219220149351231741645450823605020928497425780186270504027735794659686212651367367282690580974317848052802080372119417953738905798988261055118081969301023314073244703314929246685589811643118847694477372019689408289095064428454294741664033620292991329213365846746035298922094622246192294060748851628750946070020200945588673484998269588015081702314767902656460481499728682234454792955145820085946535176436999718239995186634292654463733303050489454638254259093 . . . . . . . . . . . . . . . . . . . . [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) e13ab36333b30a4ece2dca44d6cd4e3770d89356 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016869849f4200000403004830460221009af9867e147aeae94da2e4491be936c5845db140bc05e4905ce7238ade5c39260221008d09db43d518f038ae5cf8bff240b1a632b1531aa77a37e9f7bfe1511f8ec0d9007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016869849f93000004030047304502200f529a54eb3b72e883f5493de9f198f9ac1b1550dc43b24e43a45fa1b7377735022100b111d4a9c2e1e26f35a3723fdc318bbdf13b17d6155d641c2cefbac6755d3374 . . . . [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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