return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials)


class HTTPDigest(HTTPBase):
    """
    HTTP Digest authentication.

    **Warning**: this is only a stub to connect the components with OpenAPI in FastAPI,
    but it doesn't implement the full Digest scheme, you would need to to subclass it
    and implement it in your code.

    Ref: https://datatracker.ietf.org/doc/html/rfc7616

 * [OkHttp AWS Signer](https://github.com/babbel/okhttp-aws-signer): AWS V4 signing algorithm for OkHttp requests
 * [okhttp-digest](https://github.com/rburgst/okhttp-digest): A digest authenticator for OkHttp.
 * [OkHttp Idling Resource](https://github.com/JakeWharton/okhttp-idling-resource): An Espresso IdlingResource for OkHttp.

        byte[] digest = md.digest();

        String md5path = repository.pathOf(artifact) + ".md5";
        File md5artifactFile = new File(repository.getBasedir(), md5path);
        try (Writer writer =
                new OutputStreamWriter(new FileOutputStream(md5artifactFile), StandardCharsets.ISO_8859_1)) {
            writer.append(printHexBinary(digest));
        }
    }

    /**
     * This type is syntactically identical to "multipart/mixed", but the semantics are different.
     * In particular, in a digest, the default `Content-Type` value for a body part is changed from
     * "text/plain" to "message/rfc822".
     */
    @JvmField
    val DIGEST = "multipart/digest".toMediaType()

    /**
     * This type is syntactically identical to "multipart/mixed", but the semantics are different.

}

// BadDigest - Content-MD5 you specified did not match what we received.
type BadDigest struct {
	ExpectedMD5   string
	CalculatedMD5 string
}

func (e BadDigest) Error() string {
	return "Bad digest: Expected " + e.ExpectedMD5 + " does not match calculated " + e.CalculatedMD5
}

// SizeTooSmall reader size too small
type SizeTooSmall struct {
	Want int64
	Got  int64
}

    MESSAGE_DIGEST_API() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        MessageDigest md = algorithm.getMessageDigest();
        md.update(input);
        return md.digest();
      }
    },
    HASH_FUNCTION_DIRECT() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        return algorithm.getHashFunction().hashBytes(input).asBytes();
      }
    },

    MESSAGE_DIGEST_API() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        MessageDigest md = algorithm.getMessageDigest();
        md.update(input);
        return md.digest();
      }
    },
    HASH_FUNCTION_DIRECT() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        return algorithm.getHashFunction().hashBytes(input).asBytes();
      }
    },

    * Cookie.
* `http`: стандартні методи HTTP-автентифікації, включаючи:
    * `bearer`: заголовок `Authorization` зі значенням `Bearer` та токеном. Це успадковано з OAuth2.
    * HTTP Basic автентифікація
    * HTTP Digest, тощо.
* `oauth2`: усі способи обробки безпеки за допомогою OAuth2 (так звані «потоки»).

#### Исправление с помощью `secrets.compare_digest()` { #fix-it-with-secrets-compare-digest }

Но в нашем коде мы используем `secrets.compare_digest()`.

Вкратце: сравнение `stanleyjobsox` с `stanleyjobson` займёт столько же времени, сколько и сравнение `johndoe` с `stanleyjobson`. То же относится и к паролю.

    for name, rev in peer.listkeys(b'bookmarks').items():
      h.update(name)
      h.update(b'=')
      h.update(rev)
      h.update(b'\n')
  print('r1:'+base64.standard_b64encode(h.digest()).decode('utf-8'))

@command(b'golookup', [], _('url rev'), norepo=True)
def golookup(ui, url, rev):
  """
  golookup looks up a single identifier in the repo,
  printing its hash.
  """