javaweb.bachkhoa-aptech.edu.vn

Issued by R3

About this certificate

This digital certificate with serial number 03:8f:fc:87:6e:33:16:b7:9b:87:db:25:6f:c2:a9:9e:99:8f 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=javaweb.bachkhoa-aptech.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8f:fc:87:6e:33:16:b7:9b:87:db:25:6f:c2:a9:9e:99:8f
Serial Number (int): 310332904915101364544861071731951333710223
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e5:ca:dc:a3:87:0c:d1:2d:f5:f8:10:5c:8d:56:d1:9c:b1:09:a0:31
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a5:42:4a:67:31:3b:b0:d7:1c:16:2b:57:ee:d3:bb:b8:72:6b:23:1c
Fingerprint (sha256): 90:02:cf:f7:1c:fa:d9:33:50:20:f9:44:97:6b:da:70:f6:a9:09:14:10:6b:c2:d7:ad:b8:46:99:5e:9f:91:ea

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

Revocation information

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

Check the revocation status for certificate javaweb.bachkhoa-aptech.edu.vn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for javaweb.bachkhoa-aptech.edu.vn

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

javaweb.bachkhoa-aptech.edu.vn

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Certificate

The complete raw certificate details for javaweb.bachkhoa-aptech.edu.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwnEG7gpILI81PmvYOs4x
NuYw/Yy06i7PjloBVwVGNpP/ysW02lmrpsqD0yI7Xxp2J0eELmfLuorJkmtWQEw/
V7ogAGpuFYOniWqx8WJ3ifPzigVoVldlsKEoF0Pf1tJHOyIxPJ/gnOLs9ijpPsOW
cBJ0mPhvxjUt8v3Cuuep2nn3etsx0g0rj5NurEP7vJMyXCA7WYxIbNTX3CF8sDzo
ICd3rbULIXnTFxO8nQCWNXdULfN/rtPu356HDFmBVhpi9W9hEFxPo1DzY/LSMrW3
D2C1BupI9qPOx4r5MSuj/ezStoodbIE/MQD5h7G1UnQzyutogEBrh2Ansb18dlwz
aQIDAQAB
-----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 310332904915101364544861071731951333710223
 . . . . . . . . [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 2023-06-27 15:52:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-25 15:52:51 +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 'javaweb.bachkhoa-aptech.edu.vn'
 . . . . . . . . [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 24545966888785666767743235282989641806547788904736114291301260859943122019788208014883000181457954384251992936191205860101137818468058283256660797466856264091712187093031492904110248122540333205943831923331497040361451016062874152117219679336376929499521736290889443870818520610723037776143416581589098844361672088214083059386076631176552045661662954991167680390058932565443775015470015455194565368848391293423460196135050205946226329340104277952045374527972211654693493014079501930071131076204511312281094142655868832235614730006766821445224524807242787587125532629376034831922323977882965704060741199708269737423721
 . . . . . . . . . . . . . . . . . . . . [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)
							e5cadca3870cd12df5f8105c8d56d19cb109a031
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'javaweb.bachkhoa-aptech.edu.vn'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188fdc5b3800000040300473045022100ca3fc504331b9ea7bcee7a323296011d5a0cbee9afdd93324ca7ee563e09a1bf022002fd54262d76e188a3c0f1cfb5e0d260ecfad061d743edbb5f1544374daa652a007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000188fdc5b37a000004030047304502203e98625ce85b8fd2bc5b81642013b3d456c898acf625d75d874f28ab31c1c898022100ddad0d82496873c9db61e5b7d4829434d18bb495dfab4955c8a75656b17e9fc6
 . . . . [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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