Pre-Grant Publication Number: 20080120715
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Prior Art (2)
Patent/Application # US7243370
Description
A method and system...to integrate the Kerberos security mechanism into the message flow of the signaling operation under the Session Initiation Protocol to allow a SIP client and a SIP proxy to authenticate each other. When the SIP proxy receives an request message, such an INVITE request, from the SIP client, it responds with a challenge message indicating that authentication based on Kerberos is required. In response, the SIP client sends a second request message with a proxy authorization header containing authentication data, including a Kerberos server ticket for the Proxy, to allow the proxy to authenticate the client's user.
Title RFC 2617 - HTTP Authentication: Basic and Digest Access Authentication
Description
"HTTP/1.0", includes the specification for a Basic Access Authentication scheme.
This document also provides the specification for HTTP's authentication framework, the original Basic authentication scheme and a scheme based on cryptographic hashes, referred to as "Digest
Access Authentication".
