when(mockMd5.digest()).thenReturn(innerDigest);
            when(mockMd5.digest(any(byte[].class))).thenReturn(finalDigest);

            HMACT64 hmac = new HMACT64(TEST_KEY);
            byte[] result = hmac.engineDigest();

            assertArrayEquals(finalDigest, result);
            verify(mockMd5, times(1)).digest(); // First call for inner digest

        }
        this.digest.update(input, offset, len);
        this.updates++;
    }

    /**
     * Finalize and return the calculated message digest
     *
     * @return calculated digest
     */
    public byte[] digest() {
        byte[] b = this.digest.digest();

        if (log.isTraceEnabled()) {
            log.trace("digest: ");

        .build()
    assertThat(headers.parseChallenges("WWW-Authenticate")).containsExactly(
      Challenge("Digest", mapOf()),
      Challenge("Basic", mapOf("realm" to "myrealm")),
    )
  }

  @Test fun unknownAuthParams() {
    val headers =
      Headers
        .Builder()
        .add("WWW-Authenticate", "Digest,,,, Basic ,,foo=bar,realm=\"myrealm\"")
        .build()

        assertDoesNotThrow(() -> digest.update(data, 0, 0));
    }

    @Test
    @DisplayName("Test digest method")
    void testDigest() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        digest.update(data, 0, data.length);

        byte[] result = digest.digest();
        assertNotNull(result);

            Arrays.fill(sessionKey, (byte) 0xEE);

            Smb2SigningDigest digest = new Smb2SigningDigest(sessionKey, Smb2Constants.SMB2_DIALECT_0202, null);

            // Close multiple times should not throw
            digest.close();
            digest.close();
            digest.secureWipeKey();
            digest.close();

            // Operations should still fail
            byte[] data = new byte[128];

        // Given
        doNothing().when(messageBlock).setDigest(digest);
        when(messageBlock.getDigest()).thenReturn(digest);

        // When
        messageBlock.setDigest(digest);
        SMBSigningDigest retrievedDigest = messageBlock.getDigest();

        // Then
        assertEquals(digest, retrievedDigest);
        verify(messageBlock).setDigest(digest);
        verify(messageBlock).getDigest();
    }

    @Test

        assertEquals(expectedEncodeLength, response.encode(dst, dstIndex));

        // Test digest methods
        doNothing().when(response).setDigest(digest);
        when(response.getDigest()).thenReturn(digest);
        response.setDigest(digest);
        assertEquals(digest, response.getDigest());

        // Test mid methods
        long mid = 123456L;

    }

    @Test
    @DisplayName("isSignatureSetupRequired depends on digest and negotiate flags")
    void testIsSignatureSetupRequired() throws Exception {
        SmbSessionImpl session = newSession();

        // Case 1: digest already set -> false
        SMBSigningDigest dg = mock(SMBSigningDigest.class);
        setField(session, "digest", dg);
        assertFalse(session.isSignatureSetupRequired());

            return 0;
        }

        @Override
        public void setDigest(SMBSigningDigest digest) {
            this.digest = digest;
        }

        @Override
        public SMBSigningDigest getDigest() {
            return digest;
        }

        @Override
        public void setResponse(CommonServerMessageBlockResponse msg) {

        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 subclass it
    and implement it in your code.

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