psis.edu.kh

Issued by R3

About this certificate

This digital certificate with serial number 03:e6:29:a2:cd:2c:a9:62:d0:00:e6:7d:f5:6b:29:78:4c:df was issued on by Let's Encrypt.

With 6 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): 03:e6:29:a2:cd:2c:a9:62:d0:00:e6:7d:f5:6b:29:78:4c:df
Serial Number (int): 339657145848447281052191770698085182229727
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ea:fe:c3:2a:f1:9f:f2:ed:f3:c1:b0:c3:89:fc:7e:40:1b:c3:94:ac
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e7:db:45:44:39:d1:cc:dd:d2:e8:ad:eb:45:cd:a5:cd:c7:e3:b4:98
Fingerprint (sha256): 02:07:8b:50:c3:75:0e:fd:39:89:66:1b:c5:fe:3d:65:19:ff:28:fe:c4:d6:e4:24:21:bf:39:92:7c:37:ec:2f

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

6

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

fcma.puc.edu.kh
olympic.psis.edu.kh
psis.edu.kh
www.fcma.puc.edu.kh
www.olympic.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-----
MIIFSTCCBDGgAwIBAgISA+Ypos0sqWLQAOZ99WspeEzfMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMTMwNjIwMTRaFw0yNDAzMTIwNjIwMTNaMBYxFDASBgNVBAMT
C3BzaXMuZWR1LmtoMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqCJR
725fh2bEa+D7++oaVcNXl8F/+h3oCLpWW6nv+bRmYP//K84nRPR0NV//2M43rQeg
2/8UrZAj512z3Lwf1bmdTzuS1O62v6/FgejNwkrTum0Rh3G7K3U9gZLtR8odP4R8
1LAmBXFyX/TOk/H6nXffSJhj598ukcviNiICHbQZa1AssvAxM9LlNMTNM7Ei8go2
tAa6a5fCJteOl+E65UsD+pfp5MwHT/CihTdyqeTlf72+tXzTON14NVBbysQ2yW1k
u8K172AV3RoBkwtKUR2mbzoUdLQAUQHMdFjGyXHFg3oeLaNvxaSzVzr6GpnFaASj
OCC3Gq9aRvB+1NrNQQIDAQABo4ICczCCAm8wDgYDVR0PAQH/BAQDAgWgMB0GA1Ud
JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW
BBTq/sMq8Z/y7fPBsMOJ/H5AG8OUrDAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm
H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v
LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzB7
BgNVHREEdDBygg9mY21hLnB1Yy5lZHUua2iCE29seW1waWMucHNpcy5lZHUua2iC
C3BzaXMuZWR1LmtoghN3d3cuZmNtYS5wdWMuZWR1Lmtoghd3d3cub2x5bXBpYy5w
c2lzLmVkdS5raIIPd3d3LnBzaXMuZWR1LmtoMBMGA1UdIAQMMAowCAYGZ4EMAQIB
MIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAO1N3dT4tuYBOizBbBv5AO2fYT8P0
x70ADS1yb+H61BcAAAGMYgwvywAABAMARzBFAiBg/ts3Z3naIStzoDdWRBO3EPCW
RATwrypZk1XRS+Z7DgIhALgXZfMLYb4y1cE5TnDOrULcNuR2cp9e4nBR53NtKuFV
AHcAdv+IPwq2+5VRwmHM9Ye6NLSkzbsp3GhCCp/mZ0xaOnQAAAGMYgwwIgAABAMA
SDBGAiEAn00uwnvpljgBKctqITv8tHC7LaczUo8/pD+OEARh2fMCIQCrqWaEr99x
+lwzw48OgLQaQPCE1+kFiwsiAx0WOx6G9jANBgkqhkiG9w0BAQsFAAOCAQEAumOh
SUsUkjypSf4G82c3Wos+iMILsolJa9zMbpelD5dzW9MElZSZspsJ/1i9w3OiamWC
bucawFYyKOysJFSzE29n73ht4in4MKgWLZT4OGWlCpkWAt+G94IWTf1trlM9U8IX
5oCHPRfYYzl9sR5If5odGOOB4yvadx5wbaIqyAI4eiAyE58Ew9K1pR1z+fM0vf+z
RjHrCss9Z079W4Fy6/wdIZlY0hsEK+FEfQUNjJ/KBSE5WiGlfnstFaA6gCfpJ+I+
XUtuJMZbSPqmK7D5I1Ki0GBSUqFlassN9yNO8moTMNsLpevoC9L8nZF7Oq5xs29X
rdas3ARB/xL6ILcLhQ==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqCJR725fh2bEa+D7++oa
VcNXl8F/+h3oCLpWW6nv+bRmYP//K84nRPR0NV//2M43rQeg2/8UrZAj512z3Lwf
1bmdTzuS1O62v6/FgejNwkrTum0Rh3G7K3U9gZLtR8odP4R81LAmBXFyX/TOk/H6
nXffSJhj598ukcviNiICHbQZa1AssvAxM9LlNMTNM7Ei8go2tAa6a5fCJteOl+E6
5UsD+pfp5MwHT/CihTdyqeTlf72+tXzTON14NVBbysQ2yW1ku8K172AV3RoBkwtK
UR2mbzoUdLQAUQHMdFjGyXHFg3oeLaNvxaSzVzr6GpnFaASjOCC3Gq9aRvB+1NrN
QQIDAQAB
-----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 339657145848447281052191770698085182229727
 . . . . . . . . [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 2023-12-13 06:20:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-12 06:20:13 +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 21224959086486339630064637260045677236825090959470732397511153187667235743652725477761167270982425923792471745017544673273487119979013514566909896375272577108215378448152925168886741254222940551538603455746032985841118166779208747170750018602682751756063098916248970541744091843344479468011643464749796283933880860000917098994951427218613416106757371212742733094435118438246708949015262770985721357491043315679335093027204880754463753745104017124644856509241349282768174131556612993374660618715612905122792167133350505909783708542915897367873331455408780685633631293723579450752003111385544414112874498873767262604609
 . . . . . . . . . . . . . . . . . . . . [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)
							eafec32af19ff2edf3c1b0c389fc7e401bc394ac
 . . . . . . . . . . . . . . . . [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 (116 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fcma.puc.edu.kh'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'olympic.psis.edu.kh'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'psis.edu.kh'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fcma.puc.edu.kh'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.olympic.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c620c2fcb0000040300473045022060fedb376779da212b73a037564413b710f0964404f0af2a599355d14be67b0e022100b81765f30b61be32d5c1394e70cead42dc36e476729f5ee27051e7736d2ae15500770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c620c302200000403004830460221009f4d2ec27be996380129cb6a213bfcb470bb2da733528f3fa43f8e100461d9f3022100aba96684afdf71fa5c33c38f0e80b41a40f084d7e9058b0b22031d163b1e86f6
 . . . . [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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