demowam.wam.edu.vn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7e:4e:a6:e6:1d:82:a5:b5:73:83:a3:5d:17:a3:a1:4c:c8 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=demowam.wam.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7e:4e:a6:e6:1d:82:a5:b5:73:83:a3:5d:17:a3:a1:4c:c8
Serial Number (int): 304316982399560985489443801123400582253768
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bc:70:a7:36:ec:e3:1c:11:e7:48:04:14:70:b0:11:d4:61:61:d6:04
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 36:10:21:5b:a4:f2:b5:b4:4b:bb:48:cf:a4:66:20:9b:b2:f1:a1:1b
Fingerprint (sha256): c6:c4:43:13:6b:9c:5f:e3:69:b1:6b:76:26:c7:16:a7:05:5b:e3:78:9f:3b:15:b6:15:8a:57:64:b5:fb:1f:ce

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate demowam.wam.edu.vn

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for demowam.wam.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

demowam.wam.edu.vn
www.demowam.wam.edu.vn

Other certificates including the domain name wam.edu.vn

(limited to 100 certificates)

Certificate

The complete raw certificate details for demowam.wam.edu.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvfo1qjt0YXbJMPYQe/gx
Ly7Ql9slT7Qgy1SRyG/FY5mbqSp1+36/SMT1u7waTeeSwNlngCI+Xx3+kjGJE7q3
/7Yvpk9efaQQpRKQ9cJr6NrxLvEvl9rndy0+pGiBumzJxfznSGchRJdkXgsfp5EO
UzudMgZ1FhRNhmOOaJ9lsnWCRGdLptzJv9/unMRVdNqGsy04pG6FmEnfat8ft4ap
PWuaJJyAZNQMbXXiTWO7Az776Ri0yQXAOfdvsT0nApENMdNlDScbuSuymWtZxU+N
PVHs3CRfY34S/lbEVoAMeoAfGlS6qSsxkTaMqPQRxyglGhWmISES2FvWeyVSTV/2
DwIDAQAB
-----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 304316982399560985489443801123400582253768
 . . . . . . . . [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 2018-10-01 01:24:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-30 01:24:47 +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 'demowam.wam.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 23982422605086535520770404781475011511774027930071551988707288128476781374659719312496929252158806561763145576057329056453748575317943422389550431798888315798399009181299175466099231571352355404707736478142343492676340555050027726999299312233620267364555409608386568604587990970019335019154268840419023771947508284651249311180897602010036514170152828764169715614937232034640076771235106009083847399413745048095103114154711899197121037501143831158609458029916810499102617139880558379447884028606572386618859149396931450148297885728547750615816182092911256950201886090190291830263551130853385666093967219441055203063311
 . . . . . . . . . . . . . . . . . . . . [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)
							bc70a736ece31c11e748041470b011d46161d604
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'demowam.wam.edu.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.demowam.wam.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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)
							00f1007600db74afeecb29ecb1feca3e716d2ce5b9aabb36f7847183c75d9d4f37b61fbf64000001662d713c2d0000040300473045022100ac256ef0540a858d890720c40150d98a5409fcb8424fe726684650fad07fbe5c022079a0e64f80f34be92f7185b342b36747271cca05e800cc7953b9919423651af9007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001662d713e4300000403004830460221008f02f8e5f3aa60a5794fe08f7b03b819bedf400bc429ac5abbba54b0fd878ca9022100b3a04b081c114dd62857c24917d6334dcd566c740a98a2e193d2112f7ab8ed99
 . . . . [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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