host.lang.hiroshima-cu.ac.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:85:16:fc:20:c9:0d:17:a1:89:37:2a:8b:aa:87:75:e0:d5 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=host.lang.hiroshima-cu.ac.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:85:16:fc:20:c9:0d:17:a1:89:37:2a:8b:aa:87:75:e0:d5
Serial Number (int): 306624964735447194361741091604699834343637
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8c:75:fb:6a:a0:5c:0f:0b:cb:bf:dd:81:32:82:2b:51:1b:55:42:78
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c0:a2:6d:2a:aa:2b:92:dc:a5:bc:b1:b9:00:f1:4d:b2:9a:cd:d2:19
Fingerprint (sha256): 04:b2:66:b1:32:4c:96:05:2c:3d:7d:27:11:a5:36:97:2b:58:12:d3:5e:e4:3f:3c:d6:a8:5d:63:2f:27:23:23

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate host.lang.hiroshima-cu.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for host.lang.hiroshima-cu.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

host.lang.hiroshima-cu.ac.jp

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Certificate

The complete raw certificate details for host.lang.hiroshima-cu.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyExgBK4wrMpxTxZb4r8P
E1TW1emSS3XgzsRct5r1EJHy2KpK5OSCf6uAMyexXt5bg2zfCu/8BPGbTo+clQN6
KCO7VxmP/CHaWiAwhYtbA1+MbSBYxeTqGePWLHLEAsOFHLjp8lr9YoO+Z0SNN/Vd
5xynFGJ4HnZlQHYTI2wCBuDJLlZqAzLm6TJXwFgJPr7a1hpo+oqeuhhVOZNae3q/
rr7mqnyjNzs1fdQaKbVzjCCd4FBqQ2Nw5Rlht5Jv7f7lXjWqIsBlFvPSXBEiY7yj
Bhh/CmP9X/IZ+4mTlGkkjlkxbSlkgiI6/Q2UaGABOmMR3ISwnR9srLaqDUIE+76X
SQIDAQAB
-----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 306624964735447194361741091604699834343637
 . . . . . . . . [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 2019-10-31 19:08:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-29 19:08:16 +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 'host.lang.hiroshima-cu.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 25285322944607942421360775880886758412217920998334159195988656353768913197822867585095185040423807102884254137456965280528197028900975374495464263013146100852400899742309094671297275526667841267084489212894010997440899262621999680917887714279222829992495311570172626524906808122933373881527940417619950560295346848969982397427438118757124411997316230522511892623429443044373553463008330458600256192231759329551085322531069345787131280935798725256431535140194690164430961219739958136324955147062884152052736423214433284989382811217692000579133944868299421641544137063538143687826269356669050522632956986079760911079241
 . . . . . . . . . . . . . . . . . . . . [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)
							8c75fb6aa05c0f0bcbbfdd8132822b511b554278
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'host.lang.hiroshima-cu.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e236ed65a0000040300463044022044726577034b2837fbd6bb9cc3a1af8af1325946fab194568376f65e2bfc0d8e02205a862e78811fd20d8b4d4d2d8c594e52f3603898def81eeac3413849bc7889e4007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e236ed64b00000403004730450220105d01357343d5ff2c7254074d094815c9557f27cf892e4e292bf60999ed60de022100f9e026064dbc5a28bef740289133e5f020a3b7a9588fc65aa72db9979a544ed2
 . . . . [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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