final byte[] tmp = new byte[off + stub_frag_len];
                    System.arraycopy(stub, 0, tmp, 0, off);
                    stub = tmp;
                }

                System.arraycopy(frag, 24, stub, off, stub_frag_len);
                off += stub_frag_len;
            }

            buf = new NdrBuffer(stub, 0);

            }

            mac.update(data, 0, data.length);
            byte[] signature = mac.doFinal();

            // Place signature in data
            System.arraycopy(signature, 0, data, SIGNATURE_OFFSET, SIGNATURE_LENGTH);

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

            throw new SMBProtocolDecodingException("Invalid durable handle response length: " + len);
        }

        // Read reserved field (should be all zeros but we don't validate)
        System.arraycopy(buffer, bufferIndex, reserved, 0, 8);
        return 8;
    }

    /**
     * Get the context name as string
     * @return the context name
     */
    public String getContextName() {

        } catch (final UnsupportedEncodingException uee) {
            return 0;
        }

        SMBUtil.writeInt2(NET_SHARE_ENUM, dst, dstIndex);
        dstIndex += 2;
        System.arraycopy(descr, 0, dst, dstIndex, descr.length);
        dstIndex += descr.length;
        SMBUtil.writeInt2(0x0001, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.maxDataCount, dst, dstIndex);

        byte[] dialects;
        try {
            dialects = DIALECTS.getBytes("ASCII");
        } catch (final UnsupportedEncodingException uee) {
            return 0;
        }
        System.arraycopy(dialects, 0, dst, dstIndex, dialects.length);
        return dialects.length;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

            } catch (final IOException e) {
                throw new RuntimeCIFSException(e);
            }
            bos.write(0x0);
        }

        System.arraycopy(bos.toByteArray(), 0, dst, dstIndex, bos.size());
        return bos.size();
    }

    @Override
    protected int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

        buffer.putShort(2, (short) content.length); // MaxLength (not used by readSecurityBuffer, but typically same as length)
        buffer.putInt(4, 8); // Offset

        System.arraycopy(content, 0, data, 8, content.length); // Place content at offset 8

        byte[] result = NtlmMessage.readSecurityBuffer(data, 0);
        assertArrayEquals(content, result, "Should read security buffer content correctly.");

        void testReadAtDifferentOffsets(int offset) throws SMBProtocolDecodingException {
            byte[] buffer = new byte[1024];
            byte[] responseData = createValidWriteResponse(2048, 1024);
            System.arraycopy(responseData, 0, buffer, offset, responseData.length);

            int bytesRead = response.readBytesWireFormat(buffer, offset);

            assertEquals(16, bytesRead);

            SMBUtil.writeInt2(4, buffer, 2);
            SMBUtil.writeInt2(PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512, buffer, 4);
            byte[] salt = { 0x01, 0x02, 0x03, 0x04 };
            System.arraycopy(salt, 0, buffer, 6, 4);

            PreauthIntegrityNegotiateContext context = new PreauthIntegrityNegotiateContext();
            int bytesRead = context.decode(buffer, 0, 10);

        // Flags (4 bytes)
        this.flags = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // LeaseKey (16 bytes)
        byte[] keyBytes = new byte[16];
        System.arraycopy(buffer, bufferIndex, keyBytes, 0, 16);
        this.leaseKey = new Smb2LeaseKey(keyBytes);
        bufferIndex += 16;

        // LeaseState (4 bytes)
        this.leaseState = SMBUtil.readInt4(buffer, bufferIndex);