void testConstructor_ByteArray_InvalidSignature() {
            // Given
            byte[] invalidSignature = new byte[100];
            Arrays.fill(invalidSignature, (byte) 0xFF); // Fill with non-NTLMSSP signature

            // When & Then
            IOException thrown = assertThrows(IOException.class, () -> new Type2Message(invalidSignature));
            assertEquals("Not an NTLMSSP message.", thrown.getMessage());
        }

            SMBUtil.writeInt4(ServerMessageBlock2.SMB2_FLAGS_SIGNED, data, 16);

            // Place invalid signature
            byte[] invalidSignature = new byte[SIGNATURE_LENGTH];
            Arrays.fill(invalidSignature, (byte) 0xFF);
            System.arraycopy(invalidSignature, 0, data, SIGNATURE_OFFSET, SIGNATURE_LENGTH);

            boolean result = digest.verify(data, 0, data.length, 0, msg);

				"X-Amz-Credential": []string{fmt.Sprintf(credentialTemplate, accessKey, now.Format(yyyymmdd), globalMinioDefaultRegion)},
				"X-Amz-Date":       []string{now.Format(iso8601Format)},
				"X-Amz-Signature":  []string{"invalidsignature"},
				"Policy":           []string{"policy"},
			},
			expected: ErrSignatureDoesNotMatch,
		},
		// (3) It should succeed if everything is correct.
		{
			form: http.Header{