출처1 :&nbsp;<a href="https://github.com/MiloszKrajewski/lz4net" target="_blank" class="tx-link">https://github.com/MiloszKrajewski/lz4net</a>출처2 :&nbsp;<a href="https://www.nuget.org/packages/lz4net/" target="_blank" class="tx-link">https://www.nuget.org/packages/lz4net/</a><a href='/api/file/11EB0D050E55121897400242AC110002' target='_blank'> dotnet_remote_20171113.7z</a><a href='/api/file/11EB0D050E704CA797400242AC110002' target='_blank'> Advanced .NET Remoting.pdf</a> <div class="txc-textbox" style="border-style: solid; border-width: 1px; border-color: rgb(254, 254, 184); background-color: rgb(254, 254, 184); padding: 10px;">PM&gt; Install-Package lz4net -Version 1.0.15.93</div> .Net Remoting 환경일 때 Custom Sink 를 사용하여 암호화와 압축을 진행하는 방법이다.&nbsp;사용한 책과 소스를 첨부한다.&nbsp; 압축에 관하여서는 몇 가지 테스트 해보았지만 Lz4 를 사용하는게 가장 적절했던 것 같다. (속도가 빠르다.) 아래는 암호화와 압축을 동시에 스트림에 적용하는 클래스이다.&nbsp; <div class="txc-textbox" style="border-style: solid; border-width: 1px; border-color: rgb(254, 254, 184); background-color: rgb(254, 254, 184); padding: 10px;">&nbsp;public
class EncryptionLz4Helper

{

&nbsp;&nbsp;&nbsp; public
static Stream ProcessOutboundStream(Stream
inStream, String algorithm, byte[]
encryptionkey, out byte[] encryptionIV)

&nbsp;&nbsp;&nbsp; {

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //// 암호화 -&gt; 압축

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SymmetricAlgorithm alg = SymmetricAlgorithm.Create(algorithm);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
alg.Key = encryptionkey;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
alg.GenerateIV();

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
encryptionIV = alg.IV;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MemoryStream msEncrypt = new MemoryStream();

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; var
rijndael = new RijndaelManaged();

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int
tot = 0;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; byte[]
buf = new Byte[1000];

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ICryptoTransform encryptor = rijndael.CreateEncryptor(encryptionkey,
encryptionIV);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; using
(LZ4Stream zip = new LZ4Stream(csEncrypt,
LZ4StreamMode.Compress, LZ4StreamFlags.IsolateInnerStream))

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
int cnt = inStream.Read(buf, 0, 1000);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
while (cnt &gt; 0)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
tot += cnt;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
zip.Write(buf, 0, cnt);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
cnt = inStream.Read(buf, 0, 1000);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
csEncrypt.FlushFinalBlock();

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
msEncrypt.Seek(0, SeekOrigin.Begin);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return
msEncrypt;

&nbsp;&nbsp;&nbsp; }

&nbsp;

&nbsp;&nbsp;&nbsp; public
static Stream ProcessInboundStream(Stream
inStream, String algorithm, byte[]
encryptionkey, byte[] encryptionIV)

&nbsp;&nbsp;&nbsp; {

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //// 복호화 -&gt; 압축풀기

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int
cnt;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; byte[]
buf = new Byte[1000];

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MemoryStream msDecrypt = new MemoryStream();

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; var
rijndael = new RijndaelManaged();

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; using
(ICryptoTransform decryptor =
rijndael.CreateDecryptor(encryptionkey, encryptionIV))

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; using
(CryptoStream csDecrypt = new CryptoStream(inStream, decryptor, CryptoStreamMode.Read))

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; using
(LZ4Stream zip = new LZ4Stream(csDecrypt,
LZ4StreamMode.Decompress))

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
cnt = zip.Read(buf, 0, 1000);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
while (cnt &gt; 0)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
msDecrypt.Write(buf, 0, cnt);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
cnt = zip.Read(buf, 0, 1000);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
msDecrypt.Flush();

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
msDecrypt.Seek(0, SeekOrigin.Begin);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
msDecrypt.Seek(0, SeekOrigin.Begin);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return
msDecrypt;

&nbsp;&nbsp;&nbsp; }

}</div>

.Net Remote 환경에서의 압축(zip), 암호화(Encryption)