structure.m.u-tokyo.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:78:c2:65:2f:a1:b1:10:ef:09:44:88:69:54:0b:5c:ea:62 was issued on by Let's Encrypt.
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Certificate Subject
CN=structure.m.u-tokyo.ac.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:78:c2:65:2f:a1:b1:10:ef:09:44:88:69:54:0b:5c:ea:62Serial Number (int): 389541423376802372753827479656388632570466
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 03:b0:cd:7f:2c:b2:ba:8e:c7:e9:52:79:93:8e:7e:f7:59:21:f3:85
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ee:3e:85:1c:fb:68:86:5b:05:00:fc:84:0f:41:b9:65:3c:3e:55:4e
Fingerprint (sha256): 03:7d:2b:47:cc:fe:fe:79:e8:bf:62:f9:6c:97:e2:b5:a4:fe:ae:16:75:5b:28:a8:14:40:9a:bb:9e:75:db:29
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate structure.m.u-tokyo.ac.jp
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for structure.m.u-tokyo.ac.jp
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
structure.m.u-tokyo.ac.jp
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Certificate
The complete raw certificate details for structure.m.u-tokyo.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFazCCBFOgAwIBAgISBHjCZS+hsRDvCUSIaVQLXOpiMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMTMyMjA0NDlaFw0y MDAyMTEyMjA0NDlaMCQxIjAgBgNVBAMTGXN0cnVjdHVyZS5tLnUtdG9reW8uYWMu anAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDKZVRHazVSbK6vBcc4 MKxgZhOjWV/1dZszouDyY4UM7iDrQt7oSlBSpqj9qogYsb/U0MAtoEBo97g2Fg2A YLQV6i3Fx4tRnM4ScmsKo/yf/KZl/bLhI8m97OqI6rCAaN8yPFwWzd01dZmKGEcO LR+o56LQp8o/SOSn3BFFx0MT3lMmkqDzUTfyuiYXr8v0r5/c5HPKJZYOhmlZY8hZ QcU4bOEJZkvuSrQg4LreriscB+BsGVNISGKkur/mS49Q4J26ZTt7LELMRKyu/1hO Xfq0cTj42Cfn7dkkGBeM5POwiYmDVCJO2K9EOEiArSbLB/1BtUk1shFbJrUh1ark qQ2/AgMBAAGjggJvMIICazAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAOwzX8ssrqO x+lSeZOOfvdZIfOFMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wJAYDVR0RBB0wG4IZc3RydWN0dXJlLm0udS10b2t5by5h Yy5qcDBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkC BAIEgfYEgfMA8QB2APCVpFnyANGCQBAtL5OIjq1L/h1H45nh0DSmsKiqjrJzAAAB bmcDJOwAAAQDAEcwRQIgbS1zZOEbZkX6ITz/nx/TypinawRaHo8nYL7qaXwW8qAC IQDIyX10mDQS041JJkov0eHBywXosdKQgSntl1UBsCqkewB3AAe3XBvlfWj/8bDG HSMVx7rmV3xXlLdq7rxhOhpp06IcAAABbmcDJSIAAAQDAEgwRgIhANHt66Td53FV rpBiXUZubZLWrD3KfvSAhfMtwuYTLxApAiEAhwi5VMrCd9iMcReLClbY+NotAR1x FB73eTbUjXaWaacwDQYJKoZIhvcNAQELBQADggEBAJQgmUwFRe3dtA+Uq4NnumH7 uBsB7nAX2slQkKS9K7ebqgShBjeQ0ly6FCXDovwtWy8sV/NQRoWn1Up5zS2RMXUT +Q66S5j9SI+xEhase0q3DQlv6pavA0TZQKcJLryDCynFkYXkSYLCB6g1nSyi0eWd 9Zs8pwMH9nywCUnwFVNj+W7PaqeaP1owMBv8Vg7SU09e4BrOvTtA1Q3A99y/0kDb uDmsqDsB9oUlWdOS6UQDAZ08k3E3uDL6zilIMIDcAZ4WCBbO57KwyNQCIfoZ0KFo 5VGRawDty4WLQ0gzyavT1Fa1u4X3abkJV5OF9PZ+pXax9AdFYnhg9vfvl3zeBk4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAymVUR2s1UmyurwXHODCs YGYTo1lf9XWbM6Lg8mOFDO4g60Le6EpQUqao/aqIGLG/1NDALaBAaPe4NhYNgGC0 FeotxceLUZzOEnJrCqP8n/ymZf2y4SPJvezqiOqwgGjfMjxcFs3dNXWZihhHDi0f qOei0KfKP0jkp9wRRcdDE95TJpKg81E38romF6/L9K+f3ORzyiWWDoZpWWPIWUHF OGzhCWZL7kq0IOC63q4rHAfgbBlTSEhipLq/5kuPUOCdumU7eyxCzESsrv9YTl36 tHE4+Ngn5+3ZJBgXjOTzsImJg1QiTtivRDhIgK0mywf9QbVJNbIRWya1IdWq5KkN vwIDAQAB -----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 389541423376802372753827479656388632570466 . . . . . . . . [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 2019-11-13 22:04:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-11 22:04:49 +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 'structure.m.u-tokyo.ac.jp' . . . . . . . . [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 25550104901250740826002489714990287284593502925010204652037539925814814517072625255487429834042599857281459030836824664905691753172983813492405175819950364472110701134945231919983257053855266438809080081565427682679644443456649676500090796085763104470229617521804359831314014125601054564728843947860644370844382584062602404050444074781686607733375939337613557536595559130337280430618857095662500542217431802618493849397733959707342829919339116997263681947510181127333580891014401198027165831322878701653386085301792289567693101055715107169507321556172124829321533994494044142087472885267212407883985495108776492600767 . . . . . . . . . . . . . . . . . . . . [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) 03b0cd7f2cb2ba8ec7e95279938e7ef75921f385 . . . . . . . . . . . . . . . . [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 (29 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'structure.m.u-tokyo.ac.jp' . . . . . . . . . . . . . . . . [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) 00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e670324ec000004030047304502206d2d7364e11b6645fa213cff9f1fd3ca98a76b045a1e8f2760beea697c16f2a0022100c8c97d74983412d38d49264a2fd1e1c1cb05e8b1d2908129ed975501b02aa47b00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e670325220000040300483046022100d1edeba4dde77155ae90625d466e6d92d6ac3dca7ef48085f32dc2e6132f10290221008708b954cac277d88c71178b0a56d8f8da2d011d71141ef77936d48d769669a7 . . . . [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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