不论是 Basic Auth 还是 Digest Auth，都会有 Authorization 字段

GET /dir/index.html HTTP/1.0
Host: localhost
Authorization: Digest username="Mufasa",
                     realm="testrealm@host.com",
                     nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
                     uri="/dir/index.html",
                     qop=auth,
                     nc=00000001,
                     cnonce="0a4f113b",
                     response="6629fae49393a05397450978507c4ef1",
                     opaque="5ccc069c403ebaf9f0171e9517f40e41"

RFC2617

http://www.ietf.org/rfc/rfc2617.txt

https://en.wikipedia.org/wiki/Digest_access_authentication

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原文地址：https://www.cnblogs.com/liujx2019/p/10310068.html