asl.techniek.hva.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:f4:e7:c2:f3:d0:a0:11:11:de:d6:53:bc:48:29:ae:ee:05 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:
  • 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=asl.techniek.hva.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f4:e7:c2:f3:d0:a0:11:11:de:d6:53:bc:48:29:ae:ee:05
Serial Number (int): 431786105173521372722783811756738655219205
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1e:c9:89:47:86:37:21:e4:de:a6:1d:20:55:be:b2:86:a8:cb:e3:13
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 11:6b:9e:53:60:55:91:66:f6:41:ab:27:75:a3:38:89:b6:23:2e:5a
Fingerprint (sha256): 0d:45:5b:0e:8f:d0:c4:c4:76:d9:d8:dc:d7:d7:6e:73:43:4a:a8:5a:3d:f7:09:d7:26:9e:5e:cf:21:cd:10:ed

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

Revocation information

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

Check the revocation status for certificate asl.techniek.hva.nl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for asl.techniek.hva.nl

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

asl.techniek.hva.nl

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Certificate

The complete raw certificate details for asl.techniek.hva.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxeyiw7Dm/t33aiA+UrhZ
pNEA9NRWw81KI7cBPUc16lLHtFlLkXefSev+stiK/+x4ZLFUNebXGBMRJDtEaYnJ
h8zA18hL+1yu3j6J5BFrzp+9LuxX0eYCjZ98sSh1wUFDZvga90lS2y2Gf8O2vABd
XkaHwlygks3BPFjWgW0XAqRX5kWbZYKLa2cD57gELA/dQdJ+x8GrayraxqJvAP0u
sHkM0Kjm3d9KH2SfC4H4kXSZ3nEHWtX7NjnZ/azhbhrzzEOA3ZVpAQJqd7bzybyM
40h9HQ+QTzWDv5iPd5fYO1ZEme9WKVj6opQzjsVLUty9kR0yIgsS77yhBfD05rjR
gwIDAQAB
-----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 431786105173521372722783811756738655219205
 . . . . . . . . [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 2024-01-25 16:57:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-24 16:57:48 +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 'asl.techniek.hva.nl'
 . . . . . . . . [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 24985635539633658848810135112156714675043837348619225386708035823429688498450341517441072835076221693583310993483707345700433661077296148466211610877523698938406813351306017429149225675120184205981710694259732681852929810553658221527111726900231384723457732337547110460719245815203097835097459180078699419614577499098406977951530015081956143636800267583852835089175415642873898620716282994692386434686480646762308745518745186471486917069134116022807550660555872276079328110625449637789469288519906684354091918110869663861712923632339702054210836600964824271997173233579278011284085390580363655331867364311140130148739
 . . . . . . . . . . . . . . . . . . . . [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)
							1ec98947863721e4dea61d2055beb286a8cbe313
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'asl.techniek.hva.nl'
 . . . . . . . . . . . . . . . . [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)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d41c55c380000040300463044022011962564752bc339f0631e5756f191a5c11300a77b3454d16f42859e04e83cd802200e9aa5c49dcbabcd1e02e16df60609407a50ed25566282a434aa39b72e80e838007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d41c55c390000040300483046022100aae1b6432e6b8b64660a63fa361fee0277c6a0e27d8fe7cf7ea6cb5f6371970d022100a36e0c1beec319df81e923b5d9ec6fdd2cf12020771ab7a67ede01ceab4e61cc
 . . . . [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)
		0036af0aa37fbe244d4d8e86a53defbfe6aaec58c8e2def77f2eb746dd197db303481d0f5df214203a84b59cac6b082506f1cde2364fd3084b8c5d43e99fb51a8520040def54fc2db7c859473e9638e7ad740f977b4c7c9b5836df7b1bbdd901baf900ff78b9d8ad8216a6861125c8148a3ee540d19b56615918eaae776c34acf3199fe628b40772a06c5ad719928576acf1b460f5b7b39b8190261b81ea210d270f9ff8e443e4ffa4716d0f5432d6ef311b5d9d910af84a5675ba4ca557d82ee8123666cc8eb84cc9b027ff052cf1510f603af09bfdb3e01c88a1cd391441b4c0326aafba1434fa5b0ea7b0771d351169f00b65628c7e22eaf2f03e87cf3071ca