crr.is.tohoku.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ef:0d:a5:93:5b:b4:7d:09:de:bd:6d:66:99:3b:57:83:48 was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=crr.is.tohoku.ac.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ef:0d:a5:93:5b:b4:7d:09:de:bd:6d:66:99:3b:57:83:48Serial Number (int): 342682483171091727850223712898788560962376
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d2:d8:02:ad:03:d6:b4:b4:21:e8:75:05:d3:e4:96:cf:e9:15:d0:2c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 52:03:be:99:5d:b3:40:91:f4:8e:37:84:37:26:2f:e0:35:bc:b5:23
Fingerprint (sha256): 08:8f:4d:40:60:60:ac:c3:ed:c0:26:66:1c:9d:ff:d9:b6:85:18:4e:ab:24:a6:ac:d9:bb:7c:91:fe:03:23:5f
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate crr.is.tohoku.ac.jp
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for crr.is.tohoku.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
crr.is.tohoku.ac.jp
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Certificate
The complete raw certificate details for crr.is.tohoku.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFXjCCBEagAwIBAgISA+8NpZNbtH0J3r1tZpk7V4NIMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAyMjgxODAzMjRaFw0x OTA1MjkxODAzMjRaMB4xHDAaBgNVBAMTE2Nyci5pcy50b2hva3UuYWMuanAwggEi MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDnwG071k5kyRLylyR9c/lywjMi ycOZb55WmCTTujzP/CJrZZO6cJ1O5WzfsxX5eP/I6iuDQhz1J/Q/L3u5q04kA69k md2ehgOrmEkOO+/ry++pAKQ0UV34Tt2xcySIcHHhUHyY/Z5KNvoRod4T5waqGaCk VMZc/D5RHB3pLnvHak5hVxPd6zB4aN5pwEDYk0euAzfApsEVG0YaMf+mCVn/+ege Z17fOfm0PYpDW211CWx/DVlbQJi170N3cXebR5Kf9k2yqrJm3/Ve50fvOXhZ6SIc nDI347qX8Uzh4S2aQhHImAVoBw4aVW/ZhM7nLHm9fzXUHs+/IWZlwUjjsdlxAgMB AAGjggJoMIICZDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEG CCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFNLYAq0D1rS0Ieh1BdPk ls/pFdAsMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUF BwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNy eXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNy eXB0Lm9yZy8wHgYDVR0RBBcwFYITY3JyLmlzLnRvaG9rdS5hYy5qcDBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2 AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABaTV9aj8AAAQDAEcw RQIhAIfSwu4gpVwB+Piz3M9hLnRoCDYbwZW/WOtykyelE+xDAiAqV2igRrmfbi/v qx/ZNyUzZ0n238sSFnHlxbeLkt/BjQB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLc pMMM9OVFR/R4AAABaTV9aMcAAAQDAEcwRQIgOcTYDFTxf7ILqptTbqwvyygbkc/9 UAvWC9tt0zJQLZUCIQDnkivtRHbo4a39i/1+tDUHXEQN/ZdFt0rq0U0JVvi6aDAN BgkqhkiG9w0BAQsFAAOCAQEAYC8/uFd7seD4erzgD88nfXvBBNYzs0dCYSyYrIFF NXb0jDXxqadHCEI2t4YPALmgCBAdmCwMy4qMfLZz1iGwnFjSh2PjS6xPuIfOYtSj QNcmqTxptnGE4Y+G1N2qTew3xeukS2JxWVju04pepT5JoPU+YrUXhHW/4wtkTkvj gbep75gIlc0uYPinNS7BsOioezZucvNYKpe4q96UMbF23Gmct8f9URs3DR6enE6t FBc5lAxC9ZWQCNM12W3QSNlZxAlwoTDETSGgAbTHvGLyiYmUESLt1Al2v8MVCaHU hCvJAqfty8Ie3x2GXwx5WhwCpCn8/PjLMGBMysIAx8y9qA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA58BtO9ZOZMkS8pckfXP5 csIzIsnDmW+eVpgk07o8z/wia2WTunCdTuVs37MV+Xj/yOorg0Ic9Sf0Py97uatO JAOvZJndnoYDq5hJDjvv68vvqQCkNFFd+E7dsXMkiHBx4VB8mP2eSjb6EaHeE+cG qhmgpFTGXPw+URwd6S57x2pOYVcT3esweGjeacBA2JNHrgM3wKbBFRtGGjH/pglZ //noHmde3zn5tD2KQ1ttdQlsfw1ZW0CYte9Dd3F3m0eSn/ZNsqqyZt/1XudH7zl4 WekiHJwyN+O6l/FM4eEtmkIRyJgFaAcOGlVv2YTO5yx5vX811B7PvyFmZcFI47HZ cQIDAQAB -----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 342682483171091727850223712898788560962376 . . . . . . . . [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 2019-02-28 18:03:24 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-29 18:03:24 +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 'crr.is.tohoku.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 29255937586681687905836393946387472011368412745332662042929743520448659428611987181819490680503028153982958757680363062822341943078099555987997700691979491930915870629131623809752977435459690543632145443017263754932917062214775019543014069891581627247159901159550385069971500477251964099055615883549428338373673071605134657512932144088003296564596613878869273402502805261343642251220660534188083641595458466300163761107498607753070255298084188381158367161671253342664150524383180114183531551047435495603716786129880461078892952082752830579618156764494863273169867905968565126468654275366636403018057213609221968484721 . . . . . . . . . . . . . . . . . . . . [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) d2d802ad03d6b4b421e87505d3e496cfe915d02c . . . . . . . . . . . . . . . . [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 (23 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crr.is.tohoku.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169357d6a3f000004030047304502210087d2c2ee20a55c01f8f8b3dccf612e746808361bc195bf58eb729327a513ec4302202a5768a046b99f6e2fefab1fd93725336749f6dfcb121671e5c5b78b92dfc18d007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169357d68c70000040300473045022039c4d80c54f17fb20baa9b536eac2fcb281b91cffd500bd60bdb6dd332502d95022100e7922bed4476e8e1adfd8bfd7eb435075c440dfd9745b74aead14d0956f8ba68 . . . . [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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