www.myalumni.uni-siegen.de

Issued by Uni-Siegen CA - G02

About this certificate


This digital certificate with serial number 0f:ab:45:8e was issued on by Universitaet Siegen .

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: Certificate doesn't contain any subjectAltName
  • ERROR: Certificate CN is not listed in subjectAltName

Universitaet Siegen

Organization: Universitaet Siegen
Organization unit: ZIMT
State / Province: Nordrhein-Westfalen
Locality: Siegen
Country: DE

Universitaet Siegen

Organization: Universitaet Siegen
Organization unit: Zentrum fuer Informations- und Medientechnologie
State / Province: Nordrhein-Westfalen
Locality: Siegen
Country: DE

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 0f:ab:45:8e
Serial Number (int): 262882702
Serial Number lenght: 28 bits, 4 octets

SubjectKeyId: 4c:9d:38:20:5f:6e:c7:bc:ab:99:a5:53:aa:1b:5a:4c:32:35:45:3f
AuthorityKeyId: ff:74:c2:69:3a:f0:84:9f:9c:02:93:cd:9f:9e:f7:dd:ff:01:c5:65

Fingerprint (sha1): c0:f3:12:ae:86:c9:98:36:97:9d:49:0c:88:c4:9b:2a:68:ec:e9:68
Fingerprint (sha256): ff:64:8e:92:ca:ea:63:8c:83:e6:1f:f3:fc:1b:8a:46:3f:19:e4:08:bf:0f:af:2d:61:7d:b6:a9:8d:d0:df:3b

Issuing Certificate URL: http://cdp1.pca.dfn.de/uni-siegen-ca/pub/cacert/g_cacert.crt
Issuing Certificate URL: http://cdp2.pca.dfn.de/uni-siegen-ca/pub/cacert/g_cacert.crt

Revocation information

CRL Distribution Point: http://cdp1.pca.dfn.de/uni-siegen-ca/pub/crl/g_cacrl.crl
CRL Distribution Point: http://cdp2.pca.dfn.de/uni-siegen-ca/pub/crl/g_cacrl.crl

Check the revocation status for the current certificate on www.myalumni.uni-siegen.de
0
DNS Names
1
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

8 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). [email protected]

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFXjCCBEagAwIBAgIED6tFjjANBgkqhkiG9w0BAQUFADCBhDELMAkGA1UEBhMC REUxHDAaBgNVBAoTE1VuaXZlcnNpdGFldCBTaWVnZW4xOTA3BgNVBAsTMFplbnRy dW0gZnVlciBJbmZvcm1hdGlvbnMtIHVuZCBNZWRpZW50ZWNobm9sb2dpZTEcMBoG A1UEAxMTVW5pLVNpZWdlbiBDQSAtIEcwMjAeFw0xMDAzMDExMzU4MjNaFw0xNTAy MjgxMzU4MjNaMIGOMQswCQYDVQQGEwJERTEcMBoGA1UECBMTTm9yZHJoZWluLVdl c3RmYWxlbjEPMA0GA1UEBxMGU2llZ2VuMRwwGgYDVQQKExNVbml2ZXJzaXRhZXQg U2llZ2VuMQ0wCwYDVQQLEwRaSU1UMSMwIQYDVQQDExp3d3cubXlhbHVtbmkudW5p LXNpZWdlbi5kZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMVSaHZA 58RGIqF2RwBzuWfJrGa2UwrvGyZafLYsKDhQJgc6iUi/a9gkj/e5E/lKp45ZdoFd ZKboWp54JtjAR+UzGsV7ITVgCzyeeF6o4A/Nm4ruXfays8PcQwDiAAo+zHIv6epE 1/M2BDFue2fLFuf1BzhNPz9kjAdiCtySoHt733aclx9S6IbzWwrRiXYKjVlWMNtA 9hoIqBXBVDfxe/WZNjQbQRjj3i71JU68EKg3Ch5BQ1QptBIuLAOPCoPpdlAoV1NW 03V+DApYVtP9F2M13ZBx4gA0Gp086WkPW6WNcn7eJfObSQa72Fu2935dmR+vAiBC il0pP1Sg7d90UE8CAwEAAaOCAcowggHGMAkGA1UdEwQCMAAwCwYDVR0PBAQDAgTw MBMGA1UdJQQMMAoGCCsGAQUFBwMBMB0GA1UdDgQWBBRMnTggX27HvKuZpVOqG1pM MjVFPzAfBgNVHSMEGDAWgBT/dMJpOvCEn5wCk82fnvfd/wHFZTAiBgNVHREEGzAZ gRd3ZWJtYXN0ZXJAdW5pLXNpZWdlbi5kZTCBiwYDVR0fBIGDMIGAMD6gPKA6hjho dHRwOi8vY2RwMS5wY2EuZGZuLmRlL3VuaS1zaWVnZW4tY2EvcHViL2NybC9nX2Nh Y3JsLmNybDA+oDygOoY4aHR0cDovL2NkcDIucGNhLmRmbi5kZS91bmktc2llZ2Vu LWNhL3B1Yi9jcmwvZ19jYWNybC5jcmwwgaQGCCsGAQUFBwEBBIGXMIGUMEgGCCsG AQUFBzAChjxodHRwOi8vY2RwMS5wY2EuZGZuLmRlL3VuaS1zaWVnZW4tY2EvcHVi L2NhY2VydC9nX2NhY2VydC5jcnQwSAYIKwYBBQUHMAKGPGh0dHA6Ly9jZHAyLnBj YS5kZm4uZGUvdW5pLXNpZWdlbi1jYS9wdWIvY2FjZXJ0L2dfY2FjZXJ0LmNydDAN BgkqhkiG9w0BAQUFAAOCAQEACFcrM0FhaqvoN1EUBzTwGmp2bALLL9b8YaknatGc yZqj4CM5bi4PlCoFqVZjNZKbKi/3OENamuc0La1Jjzltr6jruo7hfBFPmg2Fc2Cu kqVTbPVejJ05CQo1w02O46dN0HLgJmWUwqT6hdWKP8I7dWiD/8aUkEYk/B3VE4Bv GcncG73/rUDPA4oB3CCpQ6KRo4OdI8SYpm9VhxwW2H8xxvITRXO4i+3Mx1h/HfCh +g3w40A+wsrMW1qivYMR0GSuklmU82K0wiwy5maCFkrAQnMfduoXGPGQkTlnLtOp QNexpLxwvduCuAyzsNHLS7L/ApPT0DaIMQae9N031ypC+w== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxVJodkDnxEYioXZHAHO5 Z8msZrZTCu8bJlp8tiwoOFAmBzqJSL9r2CSP97kT+Uqnjll2gV1kpuhanngm2MBH 5TMaxXshNWALPJ54XqjgD82biu5d9rKzw9xDAOIACj7Mci/p6kTX8zYEMW57Z8sW 5/UHOE0/P2SMB2IK3JKge3vfdpyXH1LohvNbCtGJdgqNWVYw20D2GgioFcFUN/F7 9Zk2NBtBGOPeLvUlTrwQqDcKHkFDVCm0Ei4sA48Kg+l2UChXU1bTdX4MClhW0/0X YzXdkHHiADQanTzpaQ9bpY1yft4l85tJBrvYW7b3fl2ZH68CIEKKXSk/VKDt33RQ TwIDAQAB -----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 262882702 . . . . . . . . [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 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Universitaet Siegen' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Zentrum fuer Informations- und Medientechnologie' . . . . . . . . . . . . [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 'Uni-Siegen CA - G02' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2010-03-01 13:58:23 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-02-28 13:58:23 +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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Nordrhein-Westfalen' . . . . . . . . . . . . [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 'Siegen' . . . . . . . . . . . . [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 'Universitaet Siegen' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'ZIMT' . . . . . . . . . . . . [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 'www.myalumni.uni-siegen.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 24909583004500013514985410690214529121323239521196393717544643337294350662419057057258100490270172522960755805576018332868478103226487742659293393034978028533352313740637135382465562916877614614171512563017717376577205066638674190311605359655048249946188693896621270390016264301628988731654830463440066576048956777033443101351707074037095042586305485821567217757649737978640426733342470263146396896011220582096712840685735346418926939684884109289992811684757319775170899555281994406789234710673914662376953916392006087724862175355851444415118881302319731167449680139373122665012146739998856817003162543411297950912591 . . . . . . . . . . . . . . . . . . . . [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) 4c9d38205f6ec7bcab99a553aa1b5a4c3235453f . . . . . . . . . . . . . . . . [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 ff74c2693af0849f9c0293cd9f9ef7ddff01c565 . . . . . . . . . . . . . . . . [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 (27 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:1|false] IA5String '[email protected]' . . . . . . . . . . . . . . . . [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 (131 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/uni-siegen-ca/pub/crl/g_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/uni-siegen-ca/pub/crl/g_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 (151 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/uni-siegen-ca/pub/cacert/g_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/uni-siegen-ca/pub/cacert/g_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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