SWI-Prolog -- http_parse_digest_challenge/2

Documentation
- Reference manual
- Packages
  - SWI-Prolog HTTP support
    - The HTTP server libraries
      - library(http/http_digest): HTTP Digest authentication
        
        http_digest_challenge//2
        
        http_parse_digest_challenge/2
        
        http_digest_response/5
        
        http_digest_password_hash/4
        
        authenticate/3
        
        authenticate_client/2

Availability::- use_module(library(http/http_digest)).

Source

[det]http_parse_digest_challenge(+Challenge, -Fields)

Parse the value of an HTTP WWW-Authenticate header into a list of Name(Value) terms.