Difference between revisions of "802.1x Certificates"
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(→1. Grundsätzliche Eckdaten zu 802.1x Zertifikaten) |
(→RootCA-Zertifikat) |
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* X509v3 Key Usage: critical, Digital Signature, Certificate Sign, CRL Sign | * X509v3 Key Usage: critical, Digital Signature, Certificate Sign, CRL Sign | ||
| − | == RootCA- | + | == RootCA-certificate == |
| − | * RSA | + | * RSA public key: (2048/4096 bit) |
* X509v3 extensions: | * X509v3 extensions: | ||
| − | ** X509v3 | + | ** X509v3 basic constraints: critical, CA:TRUE |
| − | ** X509v3 Key | + | ** X509v3 Key usage: critical, digital signature, certificate sign, CRL Sign |
== 2. Unterschiede zwischen optiPoint und OpenStage == | == 2. Unterschiede zwischen optiPoint und OpenStage == | ||
Revision as of 06:06, 29 March 2010
ToDo: Page to be translated to English - any contribution is welcome!
This page summarizes the requirements for certificates and their properties, as they apply to the 802.1x (EAP-TLS) authentication of OpenStage and optiPoint IP phones.
Contents
1. Basic requirements to 802.1x certificates
- The intended purpose must be "client authentication".
- The purpose to use must be "signature and encryption".
- The type is X.509-certificate, version: 3.
- The algorithm class for the private dey is: 0xa000(5) ALG_CLASS_KEY_EXCHANGE
- Normally is used sha1RSA, however, it can be fallen back on various other algorithms, provided that these algorithms are supported by OpenSSL and e.g. Win2003.
- From DLS view there are any X.509 V3 certificates possible. The only restriction is the size (max. approx. 7kB).
Phone-certificate
- X509v3 Extended Key Usage: Client Authentication
- RSA Public Key: (1024 bit) with optiPoint, (2048 bit) with OpenStage
RADIUS-certificate
- RSA Public Key: (2048 bit)
- X509v3 extensions:
- X509v3 Key usage: critical, digital signature, key Encipherment, key agreement, certificate Sign
- X509v3 Extended key usage: server authentication, client authentication
SubCA-certificate
- RSA Public Key: (2048/4096 bit)
- X509v3 extensions:
- X509v3 Basic Constraints: critical, CA:TRUE
- X509v3 Key Usage: critical, Digital Signature, Certificate Sign, CRL Sign
RootCA-certificate
- RSA public key: (2048/4096 bit)
- X509v3 extensions:
- X509v3 basic constraints: critical, CA:TRUE
- X509v3 Key usage: critical, digital signature, certificate sign, CRL Sign
2. Unterschiede zwischen optiPoint und OpenStage
- OptiPoint SIP/HFA:
- Phone-Zertifikat (Zertifikatskette + priv. Key in PKCS#12 Container)
- RootCA-Zertifikat (= public Key = erstes Glied der RADIUS-Zertifikatskette) oder
- RADIUS-Zertifikat (= public Key des RADIUS-Zertifikates)
- Key Size: 1024 Bit
- OpenStage SIP/HFA (für OpenStage HFA wird 802.1x ab V2R0 freigeben):
- Phone-Zertifikat (Zertifikatskette + priv. Key in PKCS#12 Container)
- RootCA-Zertifikat (= public Key = erstes Glied der RADIUS-Zertifikatskette)
- Key Size: max. 2048 Bit, sollte aber aus Gründen der Kompatibilität zum optiPoint auf 1024 Bit beschränkt werden.
