www.hpc.cc.tohoku.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b6:80:db:20:dc:8a:71:40:b8:db:74:d9:f6:4e:e1:11:b1 was issued on by Let's Encrypt.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.hpc.cc.tohoku.ac.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:b6:80:db:20:dc:8a:71:40:b8:db:74:d9:f6:4e:e1:11:b1Serial Number (int): 323439527537874177564794251769127620383153
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 4a:76:1a:8b:2d:30:cd:0f:50:40:9d:7b:eb:ce:49:6e:c5:92:4f:6a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 8e:16:e9:cf:86:b1:f9:38:8c:f4:63:e9:f2:db:e2:3b:02:63:69:6f
Fingerprint (sha256): 04:9f:01:9c:73:b6:d4:77:0f:fb:1d:f8:98:4f:a4:f3:5a:b5:9a:8b:8d:e1:13:a2:a5:88:c3:46:90:ca:93:be
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.hpc.cc.tohoku.ac.jp
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.hpc.cc.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
www.hpc.cc.tohoku.ac.jp
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Certificate
The complete raw certificate details for www.hpc.cc.tohoku.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFZjCCBE6gAwIBAgISA7aA2yDcinFAuNt02fZO4RGxMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODExMjQxNjUwMDdaFw0x OTAyMjIxNjUwMDdaMCIxIDAeBgNVBAMTF3d3dy5ocGMuY2MudG9ob2t1LmFjLmpw MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqzOPgoxVyio4gKNnScw6 Q/xM3ldyUT2+qXc0iC661cWZU5utEWvub1250Gqmt1kPyg6/iYQPtHxAx3pKAqhD 7LYUcdNDRUpF1XXp2f/JUSCkWJFioX+HG+mauELf61VKG8PDX1BH4FWYDMy3Zm9g TXSj3iIwFHmr76zaaKb6tmLDNbFtlEZHnXd9FH1Alx+6w6fZ0IRxAXxjXyrBgTv4 xiuwO75hTKTPAn6vaCgXGXePetgx6f6hkt0UELgifx4Xcs2FYs7uscLEYG3owZk+ sj1fP241uzKEL1OkPOoS8ruXMVSEg/A0W/ZOE/0Miqx+tYduYOBXHMc39wjA2l0z 7QIDAQABo4ICbDCCAmgwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRKdhqLLTDND1BA nXvrzkluxZJPajAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggr BgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRz ZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRz ZW5jcnlwdC5vcmcvMCIGA1UdEQQbMBmCF3d3dy5ocGMuY2MudG9ob2t1LmFjLmpw MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB 9QSB8gDwAHUAdH7agzGtMxCRIZzOJU9CcMK//V5CIAjGNzV55hB7zFYAAAFnRtfN QQAABAMARjBEAiAZCxTaUR1ImBGYP4uDT77O06WpGEFQ1PGg4idI6aA1KQIgLlcd QFxmRhcQY51yTgB2DY0O5sbM+8hjepCpOiS9MC0AdwApPFGWVMg5ZbqqUPxYB9S3 b79Yeily3KTDDPTlRUf0eAAAAWdG1817AAAEAwBIMEYCIQDZvrbVfy6odyV3NnS9 U/Bzf8U5bTZh3sPtqFEuYNxQQQIhAIRnawhrdE2NJpDLniLsyHkx9L8G7wKB2plR DgxUFdoHMA0GCSqGSIb3DQEBCwUAA4IBAQA0X+ifdM4nYrGI7Xm/3pVjgZn5hAuI fCEFVJodc8zrJg9tQQScDmkFGXOrvQIDycn753c90w+2M4XS7QKlLZRChGw3C0aw WlEBf7eVOHx/KLBa82JqxzEQJSACAcUwSCxihRH7ft36A3ErORTzfO/amewm/pz5 jBdRNqFfp6c2jDsi64RRPip/LPjn7UdAb2r9nj9UuxktxG65dVRNte9z/xigDZbA dGM175Cdq/YJfUwm9JGeCm8JaP0+UhlJOXq7RvvE2T4hPAd0DegTZqqUXYo/4ozs vta4dszNFUpF7MLNXwsfosdjKSsWaEQhrzPHWFTWqiy0VizBGTuzuITc -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqzOPgoxVyio4gKNnScw6 Q/xM3ldyUT2+qXc0iC661cWZU5utEWvub1250Gqmt1kPyg6/iYQPtHxAx3pKAqhD 7LYUcdNDRUpF1XXp2f/JUSCkWJFioX+HG+mauELf61VKG8PDX1BH4FWYDMy3Zm9g TXSj3iIwFHmr76zaaKb6tmLDNbFtlEZHnXd9FH1Alx+6w6fZ0IRxAXxjXyrBgTv4 xiuwO75hTKTPAn6vaCgXGXePetgx6f6hkt0UELgifx4Xcs2FYs7uscLEYG3owZk+ sj1fP241uzKEL1OkPOoS8ruXMVSEg/A0W/ZOE/0Miqx+tYduYOBXHMc39wjA2l0z 7QIDAQAB -----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 323439527537874177564794251769127620383153 . . . . . . . . [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 2018-11-24 16:50:07 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-22 16:50:07 +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 'www.hpc.cc.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 21612175621653236884665466422712398988451858202269858625298584973156937857691086452300813151954014147823298102782559277764272969565636423872110009232179988050965423334882850851451071953882358142479531840082450333639586569368881973666334404149837097161742712784522569324618621889541933356643633347387932019538469406712653042447531598278613018595718541336258539534791404108840192129003375204392461329359564309989444417390268041508569673167163726396017057859113216237188385752398234544048867015056563830713327154357133911038432906265793648490712363558897671689982627326465906134123473336117340589727656663237069958362093 . . . . . . . . . . . . . . . . . . . . [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) 4a761a8b2d30cd0f50409d7bebce496ec5924f6a . . . . . . . . . . . . . . . . [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 (27 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hpc.cc.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) 00f0007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016746d7cd4100000403004630440220190b14da511d489811983f8b834fbeced3a5a9184150d4f1a0e22748e9a0352902202e571d405c66461710639d724e00760d8d0ee6c6ccfbc8637a90a93a24bd302d007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016746d7cd7b0000040300483046022100d9beb6d57f2ea87725773674bd53f0737fc5396d3661dec3eda8512e60dc504102210084676b086b744d8d2690cb9e22ecc87931f4bf06ef0281da99510e0c5415da07 . . . . [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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