WWW-Authenticate Header Parser in Rust

This crate provides a Rust implementation for parsing the WWW-Authenticate HTTP header. The parser supports extracting authentication schemes and their associated challenges as defined by RFC 7235.

Features

• Parses a single WWW-Authenticate header string into an authentication scheme and its challenge.
• Supports token68 and fields formats in challenges.
• Case-insensitive scheme handling using UniCase.
• Correctly handles quoted strings and token characters according to the HTTP specification.

Credits

This crate is a modified version of KeenS/www-authenticate.