chsv.blu.edu.vn
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:40:6d:3a:b3:6d:36:60:c4:6a:4a:fb:ff:fa:1d:ac:51:c9 was issued on by Let's Encrypt.
With 5 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=chsv.blu.edu.vn
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:40:6d:3a:b3:6d:36:60:c4:6a:4a:fb:ff:fa:1d:ac:51:c9Serial Number (int): 283260119922183170394334086151846325146057
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: f4:69:2d:ab:e9:76:b8:0c:7a:fc:4d:e3:a7:f8:8c:ed:5f:64:e8:b3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e3:9f:04:79:69:df:46:01:8a:8d:c6:ca:24:bd:4b:c0:39:e0:52:a7
Fingerprint (sha256): 7a:49:f4:a5:1c:c6:a1:93:fa:95:9e:d4:31:6d:6d:74:24:df:e2:1d:bc:d1:98:cb:3f:fc:32:4c:46:c2:d5:40
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate chsv.blu.edu.vn
5
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for chsv.blu.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
chsv.blu.edu.vn
csthspmn.blu.edu.vn
khoasp.blu.edu.vn
pqlkh.blu.edu.vn
pttpc.blu.edu.vn
csthspmn.blu.edu.vn
khoasp.blu.edu.vn
pqlkh.blu.edu.vn
pttpc.blu.edu.vn
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Certificate
The complete raw certificate details for chsv.blu.edu.vn in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFozCCBIugAwIBAgISA0BtOrNtNmDEakr7//odrFHJMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMTkxNjU1MDFaFw0y MDA2MTcxNjU1MDFaMBoxGDAWBgNVBAMTD2Noc3YuYmx1LmVkdS52bjCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAKWZ1MdSmuillvhrzcVGATZtz/zHST42 jpWx48F5XptJs1r87GeTV1DjfnU//3BlgVPpd8cOJvDdQZx7JQnTiF13ekFdGd9m ryNqodBM0eqj3WHBKDF062W+0LW4LnVmcEGWjK9kTCWh5cahm9YeM66M/0W9htcw VSYnOpyEjNbGHmAlzmn06aeL8/kV1TEp980lN9z6LSjbAJ96KNyz/+O34FP5+HSF CqW6uj1vLRGUhFL4FuHqsfxPJ0EdOpkVH4xnrDewxNYUzLsP7C+5Xk9rTN1yRVox SlRI6KxO2fYGZ4c4hH+QtQKm92nz8WS7aOUnaeKKI71rsjE8JbewL00CAwEAAaOC ArEwggKtMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU9Gktq+l2uAx6/E3jp/iM7V9k 6LMwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzBmBgNVHREEXzBdgg9jaHN2LmJsdS5lZHUudm6CE2NzdGhzcG1uLmJsdS5l ZHUudm6CEWtob2FzcC5ibHUuZWR1LnZughBwcWxraC5ibHUuZWR1LnZughBwdHRw Yy5ibHUuZWR1LnZuMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEB MCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYK KwYBBAHWeQIEAgSB9gSB8wDxAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklT Le+LkF4AAAFw8+8nvAAABAMARzBFAiAXU1oCLocpQS7wUW/DHkOVxLSk9HZT1ABf XkTJOrpy5wIhAMaMvKvGnSNNIJyezgt/sS0ILGiABiX+rC2Xi/LzB+hCAHcAb1N2 rDHwMRnYmQCkURX/dxUcEdkCwQApBo2yCJo32RMAAAFw8+8n8gAABAMASDBGAiEA v8P8C3ocByrkvkzIUPjCXF/oxSOt3tP2uT/tJCD6mjECIQC1QZu/9hj1KLllFCPv zbLS5kH30Ob+2JXhBGyzIIycwjANBgkqhkiG9w0BAQsFAAOCAQEAkkHL0fWZoyZj h+uUqUax+iTN8n+YMi2aGHe88ldaI0iHextRB6a5On2y6Fc2bWYhsmwvVAc3DLfy q3w0sEluX31yWLCLPr9oL4XKxjdVYN+WbuE9IoZyoPtu63c+EoKKeZBqO0pRexXr J96qyE8xr5yEnYWe6RHdo6FrG0SvfY+BIfztIRgAOwEc+HQXhW+ilymCRqpg6vTG Ft+dw3NgbvH7B6YJ9YLZ5ZTDz8PgFeYzLTwZhgWY5d+PdozECd3avBNeIVYGpvoM Bfj3kg9X+5POMupiGDjjBuUIBxlT8LrGAhCBtSxkLlEgLAo3C+wMuTpIvPZMAiYP 6sVS/oOwzA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApZnUx1Ka6KWW+GvNxUYB Nm3P/MdJPjaOlbHjwXlem0mzWvzsZ5NXUON+dT//cGWBU+l3xw4m8N1BnHslCdOI XXd6QV0Z32avI2qh0EzR6qPdYcEoMXTrZb7QtbgudWZwQZaMr2RMJaHlxqGb1h4z roz/Rb2G1zBVJic6nISM1sYeYCXOafTpp4vz+RXVMSn3zSU33PotKNsAn3oo3LP/ 47fgU/n4dIUKpbq6PW8tEZSEUvgW4eqx/E8nQR06mRUfjGesN7DE1hTMuw/sL7le T2tM3XJFWjFKVEjorE7Z9gZnhziEf5C1Aqb3afPxZLto5Sdp4oojvWuyMTwlt7Av TQIDAQAB -----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 283260119922183170394334086151846325146057 . . . . . . . . [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 2020-03-19 16:55:01 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-17 16:55:01 +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 'chsv.blu.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 20905177294790882683309475921146361845312645273508304182740794024535616967998603169363817387013225983560513373669171065323966631272394259603071887582773891333788635226995355159933243969358454916161668331994178680411344741842704489448770699538865277638661333765723148563932329935659458867233422086716243839956587066382821651009669958191543228175935613394702801325224243068547443263930276797506633780491649178358141332736128489785036296149379451422161517051842364844691693545504596981273839944648980297904578716200763899685208694596916060850122800511242818923999929160518792059385574689845392659678047342825141808672589 . . . . . . . . . . . . . . . . . . . . [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) f4692dabe976b80c7afc4de3a7f88ced5f64e8b3 . . . . . . . . . . . . . . . . [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 (95 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'chsv.blu.edu.vn' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'csthspmn.blu.edu.vn' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'khoasp.blu.edu.vn' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pqlkh.blu.edu.vn' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pttpc.blu.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 (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) 00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170f3ef27bc0000040300473045022017535a022e8729412ef0516fc31e4395c4b4a4f47653d4005f5e44c93aba72e7022100c68cbcabc69d234d209c9ece0b7fb12d082c68800625feac2d978bf2f307e8420077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170f3ef27f20000040300483046022100bfc3fc0b7a1c072ae4be4cc850f8c25c5fe8c523added3f6b93fed2420fa9a31022100b5419bbff618f528b9651423efcdb2d2e641f7d0e6fed895e1046cb3208c9cc2 . . . . [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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