Module auth 

Shared HTTP Digest authentication for SIP.

Parsing, challenge selection and digest arithmetic live in the sans-I/O SIP core so registration and call setup use one implementation. This module preserves the sipx-ua API and supplies entropy at the runtime-facing layer.

Structs

Challenge

A challenge from a WWW-Authenticate or Proxy-Authenticate header.

Credentials

What a user knows.

Enums

Algorithm

Which digest algorithm a challenge asks for.

Functions

new_cnonce

A fresh client nonce.

respond

Answer a challenge.

strongest

Pick the strongest challenge offered, which is a deliberate departure from RFC 8760 §2.4.

topmost_supported

Pick the first challenge offered, which is RFC 8760 §2.4’s own rule.