psis.edu.kh

Issued by R3

About this certificate

This digital certificate with serial number 04:78:c1:56:c0:79:f2:1f:a4:27:d3:d5:4a:d5:be:e6:75:9f was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=psis.edu.kh

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:78:c1:56:c0:79:f2:1f:a4:27:d3:d5:4a:d5:be:e6:75:9f
Serial Number (int): 389540019202154110150373709492378552137119
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 17:a3:fc:34:62:12:71:be:30:9c:aa:76:09:79:a2:70:91:53:34:67
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9b:16:b2:82:2b:99:da:b9:b1:00:8d:e9:b2:97:26:df:d9:83:5b:b5
Fingerprint (sha256): 21:9a:90:1a:85:5b:63:f8:46:aa:b7:0e:b4:7c:1f:4c:1a:7c:15:93:3f:95:6b:7b:b5:27:8a:a2:06:aa:83:90

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

Revocation information

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

Check the revocation status for certificate psis.edu.kh

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for psis.edu.kh

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

psis.edu.kh
www.psis.edu.kh

Other certificates including the domain name psis.edu.kh

(limited to 100 certificates)
psis.edu.kh
psis.edu.kh
psis.edu.kh
psis.edu.kh
*.psis.edu.kh

Certificate

The complete raw certificate details for psis.edu.kh in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnkzWdoITp9dCdPVnW/fi
sK6c5evtee0uDkqQSADGobOHtkmDeNQkSruhQSCLFta90QlYSoM9bVfd4a7iSm2a
4oHmwkNg1Nr30/8LwsIL6fmUqBlagmZgKZI1defSE5vQCT4cgzzkdF3k33uR+oP8
DbsL40Me/gJyrCCmNmELOwsjbKBwAJW2mF+QsXhO21qKYsnmjrQOJ+Br2HeY4kCB
0TcnQRC+IbSs38K6g6KF1GEvC9dLbIIkJimJEgLY7KLT+i2J7+O3ekO54AIujqsB
SIj6iNMPtyhB7lVKDvT+g/h6JYyr63vplzsHM+j1CD6X+942EyygZZsdybbqirKq
UQIDAQAB
-----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 389540019202154110150373709492378552137119
 . . . . . . . . [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 2024-03-28 12:12:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-26 12:12:41 +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 'psis.edu.kh'
 . . . . . . . . [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 19983542289269993057451077119447213087489892123535401622305838548596925058260109427654336512055973089241703086521391329512459839788081077038408310536762695196516727105341512240630980225086896158367085853222023363295758594823534321102886839294574042527659330710192368525115860838837295860657127950360512082499202606220202997823608836021236201799998969229455970123419352296016666965195643319036167613714363072579604603435291458374957567930118666416632353954504571898682215324199316561974201995265468433760367539119205285160360920191242935088032074464795033435651272512541896969258557230682058264645527602779581525961297
 . . . . . . . . . . . . . . . . . . . . [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)
							17a3fc34621271be309caa760979a27091533467
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'psis.edu.kh'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.psis.edu.kh'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018e8530f80e0000040300473045022100e4f28aebf2008e9c90d51867bccea5acb75870c57c5aba3096b9e094513ec63402201011fa0bf5750ad76aacf0df40f8b583d651da1534ee95aa678a800e4ca8401e007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e8530f812000004030046304402202f1bfe5ad01640de550bf99d339eee1d0438470723ac10a360d49e5ef34b816e02207afee30fcc45981996e7398bae3bff8822b1b7e09f71d227f2341602c8113bfc
 . . . . [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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