www.umfragen.uni-bremen.de

Issued by Universitaet Bremen CA

About this certificate


This digital certificate with serial number 10:f7:26:3b was issued on by Universitaet Bremen .

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 Bremen

Organization: Universitaet Bremen
Organization unit: Zentrum fuer Netze
State / Province: Bremen
Locality: Bremen
Country: DE

Universitaet Bremen

Organization: Universitaet Bremen
State / Province: Bremen
Locality: Bremen
Country: DE

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 10:f7:26:3b
Serial Number (int): 284632635
Serial Number lenght: 29 bits, 4 octets

SubjectKeyId: 1e:e6:09:e1:95:f5:7f:9c:ab:0c:b9:16:ce:cf:46:c5:0e:a3:36:a0
AuthorityKeyId: e4:cb:c4:ec:79:d0:df:ae:6e:ac:92:89:ae:9d:49:2f:c5:e5:98:41

Fingerprint (sha1): 75:c7:a7:b6:c6:d2:87:b2:3f:08:97:98:28:2c:75:33:91:1c:cc:73
Fingerprint (sha256): 6a:9b:73:fa:b2:d8:a4:67:6f:95:5a:9f:f7:e0:14:08:06:6e:d5:71:32:43:7a:a3:26:8b:3d:7c:27:61:52:e2

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

Revocation information

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

Check the revocation status for the current certificate on www.umfragen.uni-bremen.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

Extended Key Usages

Client Authentication
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----- MIIFJDCCBAygAwIBAgIEEPcmOzANBgkqhkiG9w0BAQUFADBuMQswCQYDVQQGEwJE RTEPMA0GA1UECBMGQnJlbWVuMQ8wDQYDVQQHEwZCcmVtZW4xHDAaBgNVBAoTE1Vu aXZlcnNpdGFldCBCcmVtZW4xHzAdBgNVBAMTFlVuaXZlcnNpdGFldCBCcmVtZW4g Q0EwHhcNMTAxMTA4MDczNzE2WhcNMTUxMDEzMDczNzE2WjCBjzELMAkGA1UEBhMC REUxDzANBgNVBAgTBkJyZW1lbjEPMA0GA1UEBxMGQnJlbWVuMRwwGgYDVQQKExNV bml2ZXJzaXRhZXQgQnJlbWVuMRswGQYDVQQLExJaZW50cnVtIGZ1ZXIgTmV0emUx IzAhBgNVBAMTGnd3dy51bWZyYWdlbi51bmktYnJlbWVuLmRlMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAztBfIGNqVqT1EsK2DllEe0OXdd7STPnMarRY 8skbBA1df62yP3maJk919/K2uWnp0iY50mHFdoR4MSwVahsmdhWBimyLKEwRvs6S c9k3OjeKtOIBXi7XoDTZ8fkR+4rFmijeVM8OUU1I5/rasZvvOPI9CM2+AXTFkCsb avUL8cxRxkMCFYXMQ92fFc/xU9vdjYzfqgwHx3Lg/lF5BCrU4y9DDx29q+UtCKFu s1e6w0/9FHGhij7EviBMIE/i7VafuiShr4LnQ+nfoA4B0QZJEaoUmhBvQtWelAcB h52EE3QJQOp8fQXklC6dGt1TFatLLmu6GU6ze8rG+zCHDw/U4wIDAQABo4IBpjCC AaIwCQYDVR0TBAIwADALBgNVHQ8EBAMCBeAwHQYDVR0lBBYwFAYIKwYBBQUHAwIG CCsGAQUFBwMBMB0GA1UdDgQWBBQe5gnhlfV/nKsMuRbOz0bFDqM2oDAfBgNVHSME GDAWgBTky8TsedDfrm6skomunUkvxeWYQTCBhQYDVR0fBH4wfDA8oDqgOIY2aHR0 cDovL2NkcDEucGNhLmRmbi5kZS91bmktYnJlbWVuLWNhL3B1Yi9jcmwvY2Fjcmwu Y3JsMDygOqA4hjZodHRwOi8vY2RwMi5wY2EuZGZuLmRlL3VuaS1icmVtZW4tY2Ev cHViL2NybC9jYWNybC5jcmwwgaAGCCsGAQUFBwEBBIGTMIGQMEYGCCsGAQUFBzAC hjpodHRwOi8vY2RwMS5wY2EuZGZuLmRlL3VuaS1icmVtZW4tY2EvcHViL2NhY2Vy dC9jYWNlcnQuY3J0MEYGCCsGAQUFBzAChjpodHRwOi8vY2RwMi5wY2EuZGZuLmRl L3VuaS1icmVtZW4tY2EvcHViL2NhY2VydC9jYWNlcnQuY3J0MA0GCSqGSIb3DQEB BQUAA4IBAQCZLElFNy17q/pROa2dvf1gLkQ0oqRIaC2Tj3sWzoruNqLAUTzQep01 TKGfFAJLc7sfvBRLh3TNSlsJpMSoo1tjfG35tITW5k9oItoIQ8oGXqL9VG3h19PD 3JLgwIyD50euPa19yotEuYq0E9tGtOrLYKFua4+s1HYyHzTmh//Pa+dd+iLBzhmH grzskZju3mwAiztJlsfLCRLc50qiP9nM1uJveajkwL6evy1UGOjduoDudidLKihe YxmIiu2oiS+VMwKqObKLWl/4vnEeTF03zq55WtEMkGTDHThDW4cPx/3jYmsWkjm6 30T3wKtOUFrUNpf10txiiaGayeg+v49l -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAztBfIGNqVqT1EsK2DllE e0OXdd7STPnMarRY8skbBA1df62yP3maJk919/K2uWnp0iY50mHFdoR4MSwVahsm dhWBimyLKEwRvs6Sc9k3OjeKtOIBXi7XoDTZ8fkR+4rFmijeVM8OUU1I5/rasZvv OPI9CM2+AXTFkCsbavUL8cxRxkMCFYXMQ92fFc/xU9vdjYzfqgwHx3Lg/lF5BCrU 4y9DDx29q+UtCKFus1e6w0/9FHGhij7EviBMIE/i7VafuiShr4LnQ+nfoA4B0QZJ EaoUmhBvQtWelAcBh52EE3QJQOp8fQXklC6dGt1TFatLLmu6GU6ze8rG+zCHDw/U 4wIDAQAB -----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 284632635 . . . . . . . . [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 'Bremen' . . . . . . . . . . . . [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 'Bremen' . . . . . . . . . . . . [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 Bremen' . . . . . . . . . . . . [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 'Universitaet Bremen CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2010-11-08 07:37:16 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-10-13 07:37:16 +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 'Bremen' . . . . . . . . . . . . [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 'Bremen' . . . . . . . . . . . . [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 Bremen' . . . . . . . . . . . . [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 Netze' . . . . . . . . . . . . [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.umfragen.uni-bremen.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 26107842682643861722245292144013997159749926963226958405479582928842985005816447909483992116509417081568735037091707229687874583905456242710519324464100758739873338578072410779057109839279791235059907818676609961542567918800528859447518568632267612487302013947056833614749925710963900711787027224235874971852715708407398891176201642721605723090952883225423636909264660014856037136385322082208380655080649575853847251328459521524725546671420878386416264082364506341945588336219538416593141733861563343789811623325093923034665810453472661943470681565758386614002174111292969796243240842791223984632668653783495128110307 . . . . . . . . . . . . . . . . . . . . [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 (3 bits) 05e0 . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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) 1ee609e195f57f9cab0cb916cecf46c50ea336a0 . . . . . . . . . . . . . . . . [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 e4cbc4ec79d0dfae6eac9289ae9d492fc5e59841 . . . . . . . . . . . . . . . . [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 (126 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-bremen-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/uni-bremen-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 (147 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-bremen-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/uni-bremen-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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