www.jcurve.xyz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:88:fa:7f:86:d8:4c:78:7a:d4:66:84:61:31:b6:be:7f:74 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.jcurve.xyz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:88:fa:7f:86:d8:4c:78:7a:d4:66:84:61:31:b6:be:7f:74
Serial Number (int): 395060514783915717013145837258694318784372
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 77:57:43:58:34:07:d1:51:11:d7:3b:57:00:de:34:88:78:64:3c:f4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 20:17:e3:6e:3a:92:ef:91:78:c4:5e:c6:c7:82:d3:92:ee:8e:75:c5
Fingerprint (sha256): 1e:6e:99:a4:c3:a9:93:f0:94:3b:8a:da:c4:0a:3f:0d:11:4a:9d:0f:70:ac:23:74:36:43:f8:38:61:03:6c:2d

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 www.jcurve.xyz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.jcurve.xyz

Public Key Algorithm

RSA

Key Size

4096

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.jcurve.xyz

Other certificates including the domain name jcurve.xyz

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.jcurve.xyz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsxNsE55a+ufBkrPveW0w
KqXv5oyZoNFrSIKbvPwzdiGnclvLUH5yrI+NnZd28BMKzN4+XuCZjqoOhKNzuPUT
PbcwgzNZ+X5WD/zyjuaSX28/zoCJ57SVrv7k47y0r9CU8S8FWwyFEDRqYMN72Awj
lyo4uNHaZicNesIBnKBYHJXQHFfRmfuDcTrfj7OJPNf59l/E6K4fBa92/PvRrsJ9
HTmex0wuAbbUzNKb4ZZshQlEdqr1a0v6p2aLa4LisVE2RfMYucNB1wBNMC5JxVFC
p+kegp5WcKfeZtgkVEO198DkssWfviqAnjkTnzVEllsrwV8v8enWWutzMPr1p1Tp
NDTllU5mJzGGQcneMhq+jt5EsTNtDOZMYQs2BKHe+5nh6dFkeqigNR4d3zDy/5JH
zg2V2ksP90URZgVjvW9hnCB/iJubSY9EMRtGJAh7eTNu6VzEus3XxSRLM21wUbK3
qexHxFyBtX94dyeaixJH68U/Am2E0K4C8cczln6LdmVN04gMDb/Bd+vyzMGpnvdN
KfGoj09WmoFUYflYH1RmgjhAWme/aFEFkO4g2QDf+rjY2VW18V6gvX7LAP95qYWf
9uhNxKHf7m+VgjWgrfIZSdOCBBu9nZkCguSny8m+CNkAeUCN5NEF3FlIhmJeZYVJ
Wrjdxe70vkDWJgwfEPQ1HE0CAwEAAQ==
-----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 395060514783915717013145837258694318784372
 . . . . . . . . [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 2019-01-21 12:52:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-21 12:52:43 +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.jcurve.xyz'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 730565802075596170392881711294372333675014610488254058866161350387492352153065299266154963649954167367069196223793309784482370042797469644774628734812198944661605470576492853065850525916362756796052563818206999215953650267177085559358801406078200538950149831023250862035399106414159860112888594654182870578895400420122824592398673603218956348457959822625779853901779132193257519982602338678142084467609664913545751140028663636757036878054930507987406678302646475669045125547678036595444748253316820484684291515060813622701910271524268313036635232180622843427146635313890367079047577398929854546647636557920292787943034464231862280026644565342356491799393361754537650599466988837623525632451439840938276554614721084590343907743349596509903312656878175096377713800130791361266735809713593363345550987878546829956358804666936430711628114919670083344895665578993809450886134509370759337164798074419656276204219828418797431268105978615562587283169833242441298327360746286144765242707737053830070992308626642957243637721967451720528411029037623349044640504107369094506555068658262033230304194827120518945573776515642466781039467413386495485484923919084047253586592305051825785364941713840666003883052565026266813101928567888913345535089741
 . . . . . . . . . . . . . . . . . . . . [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)
							775743583407d15111d73b5700de348878643cf4
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jcurve.xyz'
 . . . . . . . . . . . . . . . . [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)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016870af4dfd000004030047304502205be45d8b765e4cc7978ecd5d8b275aa1a8d81196cdbf7e37113e91be432c5895022100cf03dff0c032e55623b810fdf0dbce326c6cf09fb96097caecb4fc732e776bbc007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016870af4df60000040300483046022100c00d5a20194f15babcef58e78b3c2d9cf0fedae7ac1688d8c3dce4d23819c90d02210081d1d170664d82fcb02f3c3216930357f565eb8839ac1da6e3f8ecc8664f7d0f
 . . . . [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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