Authentication and Single Sign
Authentication and Single Sign
Authentication and Single Sign
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<strong>Authentication</strong> <strong>and</strong> SSL with X.509 Certificates<br />
• Mutual authentication between Alice <strong>and</strong> the server<br />
• The SSL – Process:<br />
Client sends „Hello“-message to server<br />
Server sends his certificate <strong>and</strong> asks for client cert.<br />
sends his certificate , encrypted secret key<br />
<strong>and</strong> list of supported crypto algorithms<br />
Sends back confirmation<br />
Alice<br />
Session established …using symmetric encryption<br />
Private<br />
Public<br />
Secret<br />
Private<br />
Public<br />
Secret<br />
© SAP AG 2005, <strong>Authentication</strong> <strong>and</strong> <strong>Single</strong> <strong>Sign</strong> On / Patrick Hildenbr<strong>and</strong> / 11
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