webapp.ei.htwg-konstanz.de

Issued by HTWG KN CA

About this certificate


This digital certificate with serial number 11:2f:d7:df was issued on by Hochschule Konstanz Technik, Wirtschaft und Gestaltung .

While the 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.

Cerificate errors/warnings *beta

  • ERROR: KeyUsage extension SHOULD be marked as critical when present
  • ERROR: localityName or stateOrProvinceName is required if organizationName is set
  • ERROR: stateOrProvinceName is required if organizationName is set
  • ERROR: Certificate doesn't contain any subjectAltName
  • ERROR: Certificate CN is not listed in subjectAltName

Hochschule Konstanz Technik, Wirtschaft und Gestaltung

Organization: Hochschule Konstanz Technik, Wirtschaft und Gestaltung
Country: DE

Hochschule Konstanz Technik, Wirtschaft und Gestaltung

Organization: Hochschule Konstanz Technik, Wirtschaft und Gestaltung
Country: DE

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 11:2f:d7:df
Serial Number (int): 288348127
Serial Number lenght: 29 bits, 4 octets

SubjectKeyId: 3d:3e:38:b5:61:39:7a:ff:56:f1:07:0e:76:9b:86:23:54:d9:05:08
AuthorityKeyId: f1:64:33:cd:b3:12:f1:fe:c8:26:b3:fb:66:df:b8:04:db:b3:72:dd

Fingerprint (sha1): 92:d9:49:7c:09:83:24:c4:67:ee:b4:f4:16:a2:ea:97:82:d3:d6:0f
Fingerprint (sha256): a6:6b:fc:d9:4e:df:b7:6e:93:81:34:b9:5a:bb:83:fa:db:b2:e1:fe:8d:1d:23:02:87:67:c9:cd:4e:aa:ad:00

Issuing Certificate URL: http://cdp1.pca.dfn.de/htwg-konstanz-ca/pub/cacert/cacert.crt
Issuing Certificate URL: http://cdp2.pca.dfn.de/htwg-konstanz-ca/pub/cacert/cacert.crt

Revocation information

CRL Distribution Point: http://cdp1.pca.dfn.de/htwg-konstanz-ca/pub/crl/cacrl.crl
CRL Distribution Point: http://cdp2.pca.dfn.de/htwg-konstanz-ca/pub/crl/cacrl.crl

Check the revocation status for the current certificate on webapp.ei.htwg-konstanz.de
0
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 with RSA



Key Usage

Digital Signature
Content Commitment
Key Encipherment
Data Encipherment

Extended Key Usages

Server Authentication

Extensions

7 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

This certificate doesn't contain any subject alternative names (DNS Name).

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFVjCCBD6gAwIBAgIEES/X3zANBgkqhkiG9w0BAQUFADCBuDELMAkGA1UEBhMC REUxGzAZBgNVBAgTEkJhZGVuLVd1ZXJ0dGVtYmVyZzERMA8GA1UEBxMIS29uc3Rh bnoxPzA9BgNVBAoTNkhvY2hzY2h1bGUgS29uc3RhbnogVGVjaG5paywgV2lydHNj aGFmdCB1bmQgR2VzdGFsdHVuZzETMBEGA1UEAxMKSFRXRyBLTiBDQTEjMCEGCSqG SIb3DQEJARYUcGtpQGh0d2cta29uc3RhbnouZGUwHhcNMTAxMjIxMDc0MjA4WhcN MTUxMjIwMDc0MjA4WjBzMQswCQYDVQQGEwJERTE/MD0GA1UEChM2SG9jaHNjaHVs ZSBLb25zdGFueiBUZWNobmlrLCBXaXJ0c2NoYWZ0IHVuZCBHZXN0YWx0dW5nMSMw IQYDVQQDExp3ZWJhcHAuZWkuaHR3Zy1rb25zdGFuei5kZTCCASIwDQYJKoZIhvcN AQEBBQADggEPADCCAQoCggEBAKW9CQv/fNharEnSr057+blhW/ybLAeUbGC156+Q syHFAS2U5bUbg6Opi4aK8kM0WFnayFJHAQOhdTNnLV9l8pTddCq2FHWHyPCKMRAH uC9owlqA5M51Gieq8ogAj8X/YWtn5hJcA4ePYFhik39AxhDKnAkbvf8ZuisG8Bfn kqkgp1YJR79raNH2bnCUc71tFKpFkszPcHygk50SgO19K4Wx6P4D39Hsv0C8hsfI 4PRdiICsZOkoV3v1f/pHmen58WW6r/jUxqyEZYEloLlgp/aLNrKlQneokTpC0Aaj ToVDlIAEi2pWrNBfP/IB9VxHcAKyZXgXhFJkTp3n9zdnfO8CAwEAAaOCAaowggGm MAkGA1UdEwQCMAAwCwYDVR0PBAQDAgTwMBMGA1UdJQQMMAoGCCsGAQUFBwMBMB0G A1UdDgQWBBQ9Pji1YTl6/1bxBw52m4YjVNkFCDAfBgNVHSMEGDAWgBTxZDPNsxLx /sgms/tm37gE27Ny3TCBjQYDVR0fBIGFMIGCMD+gPaA7hjlodHRwOi8vY2RwMS5w Y2EuZGZuLmRlL2h0d2cta29uc3RhbnotY2EvcHViL2NybC9jYWNybC5jcmwwP6A9 oDuGOWh0dHA6Ly9jZHAyLnBjYS5kZm4uZGUvaHR3Zy1rb25zdGFuei1jYS9wdWIv Y3JsL2NhY3JsLmNybDCBpgYIKwYBBQUHAQEEgZkwgZYwSQYIKwYBBQUHMAKGPWh0 dHA6Ly9jZHAxLnBjYS5kZm4uZGUvaHR3Zy1rb25zdGFuei1jYS9wdWIvY2FjZXJ0 L2NhY2VydC5jcnQwSQYIKwYBBQUHMAKGPWh0dHA6Ly9jZHAyLnBjYS5kZm4uZGUv aHR3Zy1rb25zdGFuei1jYS9wdWIvY2FjZXJ0L2NhY2VydC5jcnQwDQYJKoZIhvcN AQEFBQADggEBACcV47IUREBl3j8bsP2+PtSmmSx7zUmQ/W6tUM+qjaliOa6XZ+tw sFA2ul+2rT1ATOWxSYFHFF1Ed5m6snA7IC1Po/jcZirDQjS3U1ceIOGDck1nKJbC 2o8UXG6ofPqTYSBbcrHvVKttJX+uwi7giXJhwkkZEsgfQ2BGa68IhwTZulas4edf GDEG4cbofVIRKPccc0nw5tFztcQy2oHG73KBMvvYYXD6kLkCQkMDeQqFDe0+IF38 wfWBPTzfpT76NCt6TK4/9qcXR4syvdg3xxodONc8tTiBn3phngn1urw2T2IpLFW9 GwTNQRmJNfIvvuGOfDtX5wolsJKlaEwce6U= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApb0JC/982FqsSdKvTnv5 uWFb/JssB5RsYLXnr5CzIcUBLZTltRuDo6mLhoryQzRYWdrIUkcBA6F1M2ctX2Xy lN10KrYUdYfI8IoxEAe4L2jCWoDkznUaJ6ryiACPxf9ha2fmElwDh49gWGKTf0DG EMqcCRu9/xm6KwbwF+eSqSCnVglHv2to0fZucJRzvW0UqkWSzM9wfKCTnRKA7X0r hbHo/gPf0ey/QLyGx8jg9F2IgKxk6ShXe/V/+keZ6fnxZbqv+NTGrIRlgSWguWCn 9os2sqVCd6iROkLQBqNOhUOUgASLalas0F8/8gH1XEdwArJleBeEUmROnef3N2d8 7wIDAQAB -----END PUBLIC KEY-----

ASN1 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 288348127 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [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 'DE' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Baden-Wuerttemberg' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Konstanz' . . . . . . . . . . . . [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 'Hochschule Konstanz Technik, Wirtschaft und Gestaltung' . . . . . . . . . . . . [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 'HTWG KN CA' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.9.1 (emailAddress) . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String '[email protected]' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2010-12-21 07:42:08 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-20 07:42:08 +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 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'DE' . . . . . . . . . . . . [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 'Hochschule Konstanz Technik, Wirtschaft und Gestaltung' . . . . . . . . . . . . [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 'webapp.ei.htwg-konstanz.de' . . . . . . . . [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 20922537119458513005015984054764327869952258624661506461389895806405345123506219812855588253838464527310881243168116917278307546776771183957872093801431689047882406420249927384524556798016929426540863803558363892778424869643324302202340829989127577761068541150866455970571382495768256157053092515608174173981578431802647732477216851289890997778477638712033765411121536941462048914686455792124349621862105441356143051061965913845768686366649949763032311447514227494916535852561972688331276005941897372673556987669638722267139753123780067214621640061926041488285705074689751487133130666947366671220617620648827659189487 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4 bits) 04f0 . . . . . . . . . . . . . . . . [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 (12 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: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) 3d3e38b561397aff56f1070e769b862354d90508 . . . . . . . . . . . . . . . . [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 f16433cdb312f1fec826b3fb66dfb804dbb372dd . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (133 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cdp1.pca.dfn.de/htwg-konstanz-ca/pub/crl/cacrl.crl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cdp2.pca.dfn.de/htwg-konstanz-ca/pub/crl/cacrl.crl' . . . . . . . . . . . . . . . . [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 (153 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cdp1.pca.dfn.de/htwg-konstanz-ca/pub/cacert/cacert.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cdp2.pca.dfn.de/htwg-konstanz-ca/pub/cacert/cacert.crt' . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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