junhaochen.org

Issued by R3

About this certificate

This digital certificate with serial number 03:2d:33:45:ce:bb:8e:a5:cd:38:06:4a:b3:16:5a:35:42:5d 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=junhaochen.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:2d:33:45:ce:bb:8e:a5:cd:38:06:4a:b3:16:5a:35:42:5d
Serial Number (int): 276717717396027432464033024511073890681437
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 16:a4:d1:68:c6:b7:52:e2:2f:5b:4b:df:05:19:66:17:23:2e:ab:54
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c3:51:82:68:1e:27:4d:5d:b2:0b:29:d8:83:f6:d2:58:23:19:22:e1
Fingerprint (sha256): dc:b1:0c:ca:d5:28:53:c6:4f:67:34:54:34:10:eb:be:11:2f:28:a2:d4:14:f0:a6:07:da:fe:c9:6f:74:61:a5

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate junhaochen.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for junhaochen.org

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

junhaochen.org

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Certificate

The complete raw certificate details for junhaochen.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 276717717396027432464033024511073890681437
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-28 04:36:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-27 04:36:48 +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 'junhaochen.org'
 . . . . . . . . [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 875174288646373458846289230384537238371891130150391725178241754533538832664203397516798735819900650399802137407040010737450650582920706517289363753627192726555993478296515089963372177096021341913417199107112678310468866577214704399894826913757411923619013785820415551371002156741303618387266808877391600563164884808466427948519799683745417487303598414403959545219991000343501890723347263628581847455692742117216183606711201336720994536056697768663000871960971179072333266629527006050130997382799589391513295482819004561307576772350587064822314886716207398597876836402026771706172838395065875708138612022721451907678176573660266755734957847657261940976448036989153187380275918864398396719803437830919771975428865532114047810440617785114733813424852249563251288559742790470031241314584070384683311459166532081492193163444013644991443099359446430604293992436740053644839241550439145002575998516237820010285671384869786676601041205990342753079978204171680356459041338730735255653901311493078453712057284539835820999064028979317895664889279855037064797746045974368436282191363381062960692361852890724298795598153304564148855725119172491060091796878752618618786366818698957547267998368105700391336495630589470171137667475413908241948845127
 . . . . . . . . . . . . . . . . . . . . [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)
							16a4d168c6b752e22f5b4bdf05196617232eab54
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 'junhaochen.org'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d4e92063f0000040300483046022100873600c8e915b396723b7e440b4e376d0040645fb5057b43acee3d4421e6f4e6022100c8f76d5938050ced010439679dcfd9012822aba3fb358e1f897a64fda84eee3100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d4e920865000004030047304502210090de0f4fc171f1a9d4a9897b63a577d5522058e301ab75b82de11202db90366b02206da94ffbbf383132465dd84ca7ac5a92519cb0656026f434c8ec8f836f5783ae
 . . . . [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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