// Test writeSecurityBufferContent
        byte[] dest = new byte[20];
        byte[] src = "Content".getBytes();
        int pos = 8; // Position where content should be written
        int off = 0; // Offset where position should be written

        // Test with non-null source array
        int bytesWritten = NtlmMessage.writeSecurityBufferContent(dest, pos, off, src);

            pos += 16;
        }

        pos += writeSecurityBufferContent(type3, pos, lmOff, lmResponseBytes);
        pos += writeSecurityBufferContent(type3, pos, ntOff, ntResponseBytes);
        pos += writeSecurityBufferContent(type3, pos, domOff, domainBytes);
        pos += writeSecurityBufferContent(type3, pos, userOff, userBytes);
        pos += writeSecurityBufferContent(type3, pos, wsOff, workstationBytes);

            System.arraycopy(NTLMSSP_VERSION, 0, type2, pos, NTLMSSP_VERSION.length);
            pos += NTLMSSP_VERSION.length;
        }

        pos += writeSecurityBufferContent(type2, pos, targetNameOff, targetBytes);
        pos += writeSecurityBufferContent(type2, pos, targetInfoOff, targetInformationBytes);

        return type2;
    }

    @Override
    public String toString() {