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consolidate all repos to one for archive

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This commit is contained in:
Nikola Petrov
2025-01-28 13:46:42 +01:00
commit a6610fbc7a
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63
semester_3/racunalniska_omrezja/naloga_2/.gitattributes vendored Normal file
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###############################################################################
# Set default behavior to automatically normalize line endings.
###############################################################################
* text=auto
###############################################################################
# Set default behavior for command prompt diff.
#
# This is need for earlier builds of msysgit that does not have it on by
# default for csharp files.
# Note: This is only used by command line
###############################################################################
#*.cs diff=csharp
###############################################################################
# Set the merge driver for project and solution files
#
# Merging from the command prompt will add diff markers to the files if there
# are conflicts (Merging from VS is not affected by the settings below, in VS
# the diff markers are never inserted). Diff markers may cause the following
# file extensions to fail to load in VS. An alternative would be to treat
# these files as binary and thus will always conflict and require user
# intervention with every merge. To do so, just uncomment the entries below
###############################################################################
#*.sln merge=binary
#*.csproj merge=binary
#*.vbproj merge=binary
#*.vcxproj merge=binary
#*.vcproj merge=binary
#*.dbproj merge=binary
#*.fsproj merge=binary
#*.lsproj merge=binary
#*.wixproj merge=binary
#*.modelproj merge=binary
#*.sqlproj merge=binary
#*.wwaproj merge=binary
###############################################################################
# behavior for image files
#
# image files are treated as binary by default.
###############################################################################
#*.jpg binary
#*.png binary
#*.gif binary
###############################################################################
# diff behavior for common document formats
#
# Convert binary document formats to text before diffing them. This feature
# is only available from the command line. Turn it on by uncommenting the
# entries below.
###############################################################################
#*.doc diff=astextplain
#*.DOC diff=astextplain
#*.docx diff=astextplain
#*.DOCX diff=astextplain
#*.dot diff=astextplain
#*.DOT diff=astextplain
#*.pdf diff=astextplain
#*.PDF diff=astextplain
#*.rtf diff=astextplain
#*.RTF diff=astextplain

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## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.
##
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
# User-specific files
*.rsuser
*.suo
*.user
*.userosscache
*.sln.docstates
# User-specific files (MonoDevelop/Xamarin Studio)
*.userprefs
# Mono auto generated files
mono_crash.*
# Build results
[Dd]ebug/
[Dd]ebugPublic/
[Rr]elease/
[Rr]eleases/
x64/
x86/
[Ww][Ii][Nn]32/
[Aa][Rr][Mm]/
[Aa][Rr][Mm]64/
bld/
[Bb]in/
[Oo]bj/
[Oo]ut/
[Ll]og/
[Ll]ogs/
# Visual Studio 2015/2017 cache/options directory
.vs/
# Uncomment if you have tasks that create the project's static files in wwwroot
#wwwroot/
# Visual Studio 2017 auto generated files
Generated\ Files/
# MSTest test Results
[Tt]est[Rr]esult*/
[Bb]uild[Ll]og.*
# NUnit
*.VisualState.xml
TestResult.xml
nunit-*.xml
# Build Results of an ATL Project
[Dd]ebugPS/
[Rr]eleasePS/
dlldata.c
# Benchmark Results
BenchmarkDotNet.Artifacts/
# .NET Core
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artifacts/
# ASP.NET Scaffolding
ScaffoldingReadMe.txt
# StyleCop
StyleCopReport.xml
# Files built by Visual Studio
*_i.c
*_p.c
*_h.h
*.ilk
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*.iobj
*.pch
*.pdb
*.ipdb
*.pgc
*.pgd
*.rsp
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*.tlb
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*.tlh
*.tmp
*.tmp_proj
*_wpftmp.csproj
*.log
*.vspscc
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# Chutzpah Test files
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# Visual C++ cache files
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# NCrunch
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nCrunchTemp_*
# MightyMoose
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AutoTest.Net/
# Web workbench (sass)
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# Installshield output folder
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# DocProject is a documentation generator add-in
DocProject/buildhelp/
DocProject/Help/*.HxT
DocProject/Help/*.HxC
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DocProject/Help/*.hhk
DocProject/Help/*.hhp
DocProject/Help/Html2
DocProject/Help/html
# Click-Once directory
publish/
# Publish Web Output
*.[Pp]ublish.xml
*.azurePubxml
# Note: Comment the next line if you want to checkin your web deploy settings,
# but database connection strings (with potential passwords) will be unencrypted
*.pubxml
*.publishproj
# Microsoft Azure Web App publish settings. Comment the next line if you want to
# checkin your Azure Web App publish settings, but sensitive information contained
# in these scripts will be unencrypted
PublishScripts/
# NuGet Packages
*.nupkg
# NuGet Symbol Packages
*.snupkg
# The packages folder can be ignored because of Package Restore
**/[Pp]ackages/*
# except build/, which is used as an MSBuild target.
!**/[Pp]ackages/build/
# Uncomment if necessary however generally it will be regenerated when needed
#!**/[Pp]ackages/repositories.config
# NuGet v3's project.json files produces more ignorable files
*.nuget.props
*.nuget.targets
# Microsoft Azure Build Output
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*.build.csdef
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AppPackages/
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# Visual Studio cache files
# files ending in .cache can be ignored
*.[Cc]ache
# but keep track of directories ending in .cache
!?*.[Cc]ache/
# Others
ClientBin/
~$*
*~
*.dbmdl
*.dbproj.schemaview
*.jfm
*.pfx
*.publishsettings
orleans.codegen.cs
# Including strong name files can present a security risk
# (https://github.com/github/gitignore/pull/2483#issue-259490424)
#*.snk
# Since there are multiple workflows, uncomment next line to ignore bower_components
# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
#bower_components/
# RIA/Silverlight projects
Generated_Code/
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# to a newer Visual Studio version. Backup files are not needed,
# because we have git ;-)
_UpgradeReport_Files/
Backup*/
UpgradeLog*.XML
UpgradeLog*.htm
ServiceFabricBackup/
*.rptproj.bak
# SQL Server files
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*.rdl.data
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*.rptproj.rsuser
*- [Bb]ackup.rdl
*- [Bb]ackup ([0-9]).rdl
*- [Bb]ackup ([0-9][0-9]).rdl
# Microsoft Fakes
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node_modules/
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*.vbw
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**/*.HTMLClient/GeneratedArtifacts
**/*.DesktopClient/GeneratedArtifacts
**/*.DesktopClient/ModelManifest.xml
**/*.Server/GeneratedArtifacts
**/*.Server/ModelManifest.xml
_Pvt_Extensions
# Paket dependency manager
.paket/paket.exe
paket-files/
# FAKE - F# Make
.fake/
# CodeRush personal settings
.cr/personal
# Python Tools for Visual Studio (PTVS)
__pycache__/
*.pyc
# Cake - Uncomment if you are using it
# tools/**
# !tools/packages.config
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*.tss
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*.jmconfig
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*.btp.cs
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OpenCover/
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ASALocalRun/
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*.binlog
# NVidia Nsight GPU debugger configuration file
*.nvuser
# MFractors (Xamarin productivity tool) working folder
.mfractor/
# Local History for Visual Studio
.localhistory/
# BeatPulse healthcheck temp database
healthchecksdb
# Backup folder for Package Reference Convert tool in Visual Studio 2017
MigrationBackup/
# Ionide (cross platform F# VS Code tools) working folder
.ionide/
# Fody - auto-generated XML schema
FodyWeavers.xsd

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semester_3/racunalniska_omrezja/naloga_2/2_naloga.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.3.32929.385
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Streznik", "Streznik\Streznik.csproj", "{8485BEAC-BEFC-4822-AAEC-1B402E4421E6}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Odjemalnik", "Odjemalnik\Odjemalnik.csproj", "{23192462-8141-4DA4-A1E0-57D073B3884D}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{8485BEAC-BEFC-4822-AAEC-1B402E4421E6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{8485BEAC-BEFC-4822-AAEC-1B402E4421E6}.Debug|Any CPU.Build.0 = Debug|Any CPU
{8485BEAC-BEFC-4822-AAEC-1B402E4421E6}.Release|Any CPU.ActiveCfg = Release|Any CPU
{8485BEAC-BEFC-4822-AAEC-1B402E4421E6}.Release|Any CPU.Build.0 = Release|Any CPU
{23192462-8141-4DA4-A1E0-57D073B3884D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{23192462-8141-4DA4-A1E0-57D073B3884D}.Debug|Any CPU.Build.0 = Debug|Any CPU
{23192462-8141-4DA4-A1E0-57D073B3884D}.Release|Any CPU.ActiveCfg = Release|Any CPU
{23192462-8141-4DA4-A1E0-57D073B3884D}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {3D096CB7-4FF1-48B4-B310-1726EA47107F}
EndGlobalSection
EndGlobal

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semester_3/racunalniska_omrezja/naloga_2/Odjemalnik/Client.cs Normal file
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using System;
using System.Net;
using System.Net.Sockets;
using System.Security.Cryptography;
using System.Text;
namespace Client
{
class Program
{
const int STD_PORT = 1234;
const string STD_IP = "127.0.0.1";
const int STD_MSG_SIZE = 1024;
const int STD_HEAD_LEN = 1;
const string STD_CRYPTOKEY = "mojKluc";
static string Recive(NetworkStream networkStream)
{
try
{
byte[] reciveMessage = new byte[STD_MSG_SIZE];
int lenght = networkStream.Read(reciveMessage, 0, reciveMessage.Length);
return Encoding.UTF8.GetString(reciveMessage, 0, lenght);
}
catch (Exception e)
{
Console.WriteLine(e.Message + e.StackTrace);
return "";
}
}
static void Send(NetworkStream networkStream, string Message)
{
try
{
byte[] bytes = Encoding.UTF8.GetBytes(Message);
networkStream.Write(bytes, 0, bytes.Length);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
static string Decrypt(string encrypt, string key)
{
try
{
using (MD5CryptoServiceProvider hashMD5Provider = new MD5CryptoServiceProvider())
{
using (var tripleDes = TripleDES.Create())
{
tripleDes.Mode = CipherMode.ECB;
tripleDes.Padding = PaddingMode.PKCS7;
tripleDes.Key = hashMD5Provider.ComputeHash(Encoding.UTF8.GetBytes(key));
byte[] byteBuff = Convert.FromBase64String(encrypt);
return Encoding.Unicode.GetString(tripleDes.CreateDecryptor().TransformFinalBlock(byteBuff, 0, byteBuff.Length));
}
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return "";
}
}
static void Main(string[] args)
{
Console.WriteLine("Client\n");
while (true)
{
Console.Write("Vnesi ukaz: ");
string cmd = "";
do
{
cmd = Console.ReadLine();
}
while (cmd == null || cmd == "");
try
{
TcpClient tcpClient = new TcpClient();
tcpClient.Connect(STD_IP, STD_PORT);
NetworkStream networkStream = tcpClient.GetStream();
Send(networkStream, cmd);
string response = Recive(networkStream);
Console.WriteLine(response + "\n");
if (cmd[0] == 'G')
{
Console.WriteLine(Decrypt(response,STD_CRYPTOKEY));
}
tcpClient.Close();
if(response == "Q") return;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return;
}
}
}
}
}

10
semester_3/racunalniska_omrezja/naloga_2/Odjemalnik/Odjemalnik.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

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semester_3/racunalniska_omrezja/naloga_2/Streznik/Server.cs Normal file
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using System;
using System.Net;
using System.Net.Sockets;
using System.Security.Cryptography;
using System.Text;
namespace Server
{
class Program
{
const int STD_PORT = 1234;
const string STD_IP = "127.0.0.1";
const int STD_MSG_SIZE = 1024;
const int STD_HEAD_LEN = 1;
const string STD_CRYPTOKEY = "mojKluc";
static bool run = true;
static string Recive(NetworkStream networkStream)
{
try
{
byte[] reciveMessage = new byte[STD_MSG_SIZE];
int lenght = networkStream.Read(reciveMessage, 0, reciveMessage.Length);
return Encoding.UTF8.GetString(reciveMessage, 0, lenght);
}
catch (Exception e)
{
Console.WriteLine(e.Message + e.StackTrace);
return "";
}
}
static void Send(NetworkStream networkStream, string Message)
{
try
{
byte[] bytes = Encoding.UTF8.GetBytes(Message);
networkStream.Write(bytes, 0, bytes.Length);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
static string Encrypt(string source, string key)
{
try
{
using (var hashMD5Provider = new MD5CryptoServiceProvider())
{
using var tripleDes = TripleDES.Create();
tripleDes.Mode = CipherMode.ECB;
tripleDes.Padding = PaddingMode.PKCS7;
tripleDes.Key = hashMD5Provider.ComputeHash(Encoding.UTF8.GetBytes(key));
byte[] data = Encoding.Unicode.GetBytes(source);
return Convert.ToBase64String(tripleDes.CreateEncryptor().TransformFinalBlock(data, 0, data.Length));
}
/*
using (var tripleDESCryptoService = new TripleDESCryptoServiceProvider())
{
using (var hashMD5Provider = new MD5CryptoServiceProvider())
{
byte[] byteHash = hashMD5Provider.ComputeHash(Encoding.UTF8.GetBytes(key));
tripleDESCryptoService.Key = byteHash;
tripleDESCryptoService.Mode = CipherMode.ECB;
byte[] data = Encoding.Unicode.GetBytes(source);
var encryptor = tripleDESCryptoService.CreateEncryptor();
return Convert.ToBase64String(encryptor.TransformFinalBlock(data, 0, data.Length));
}
}
*/
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return "";
}
}
static byte[] EncryptStringToBytes(string plainText, byte[] Key, byte[] IV)
{
// Check arguments.
if (plainText == null || plainText.Length <= 0)
throw new ArgumentNullException("plainText");
if (Key == null || Key.Length <= 0)
throw new ArgumentNullException("Key");
if (IV == null || IV.Length <= 0)
throw new ArgumentNullException("IV");
byte[] encrypted;
// Create an Rijndael object
// with the specified key and IV.
using (Rijndael rijAlg = Rijndael.Create())
{
rijAlg.Key = Key;
rijAlg.IV = IV;
// Create an encryptor to perform the stream transform.
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
// Create the streams used for encryption.
using (MemoryStream msEncrypt = new MemoryStream())
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
{
//Write all data to the stream.
swEncrypt.Write(plainText);
}
encrypted = msEncrypt.ToArray();
}
}
}
// Return the encrypted bytes from the memory stream.
return encrypted;
}
static string FEN(string code)
{
try
{
// rnbqkbnr/pppppppp/2p2p2/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
string ret = "";
string[] strings = code.Split(' ');
string[] board = strings[0].Split('/');
foreach (var line in board)
{
foreach (var sq in line)
{
if (Char.IsNumber(sq)){
int spaces = sq - '0';
for (int j = 0; j < spaces; j++) ret += " ";
}
else
{
ret += sq;
}
}
ret += "\n";
}
ret += "\nNa vrsti je: " + (strings[1] == "w" ? "beli" : "crni") + "\n\n";
ret += "Moznosti rokade: \n";
foreach(var m in strings[2])
{
switch (m)
{
case 'K':
ret += "beli, kraljeva stran\n";
break;
case 'Q':
ret += "beli, kraljiceva stran\n";
break;
case 'k':
ret += "crni, kraljeva stran\n";
break;
case 'q':
ret += "crni, kraljiceva stran\n";
break;
case '-':
ret += "Ni moznosti\n";
break;
}
}
ret += "\nMoznosti en pasant: " + (strings[3] == "-" ? "ni moznosti" : strings[3]) + "\n";
ret += "stevilo polpotez: " + strings[4] + "\n";
ret += "stevilo poltez: " + strings[5] + "\n";
return ret;
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return "";
}
}
static void Main(string[] args)
{
Console.WriteLine("Server\n");
TcpListener listener = new TcpListener(IPAddress.Parse(STD_IP), STD_PORT);
listener.Start();
while (run)
{
TcpClient client = listener.AcceptTcpClient();
NetworkStream networkStream = client.GetStream();
Console.WriteLine("Odjemalec: " + client.Client.RemoteEndPoint.ToString());
string message = Recive(networkStream);
Console.WriteLine("Prejel: " + message);
char head = message[0];
string body = "";
if (message.Length > 1)
{
body = message[1..];
}
string response = "";
switch (head)
{
case 'A':
response = "Pozdravljen " + client.Client.RemoteEndPoint.ToString();
break;
case 'B':
response = DateTime.Now.ToString("dd/MM/yyyy HH:mm");
break;
case 'C':
response = Environment.CurrentDirectory;
break;
case 'D':
response = body;
break;
case 'E':
response = Environment.MachineName + " " + Environment.OSVersion.ToString();
break;
case 'F':
response = FEN(body);
break;
case 'G':
response = Encrypt(body, STD_CRYPTOKEY);
break;
case 'Q':
response = "Q";
run = false;
break;
}
if(response == "") response = "No Response";
Console.WriteLine("Odgovor:\n" + response + "\n");
Send(networkStream, response);
}
listener.Stop();
}
}
}

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semester_3/racunalniska_omrezja/naloga_2/Streznik/Streznik.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

63
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###############################################################################
# Set default behavior to automatically normalize line endings.
###############################################################################
* text=auto
###############################################################################
# Set default behavior for command prompt diff.
#
# This is need for earlier builds of msysgit that does not have it on by
# default for csharp files.
# Note: This is only used by command line
###############################################################################
#*.cs diff=csharp
###############################################################################
# Set the merge driver for project and solution files
#
# Merging from the command prompt will add diff markers to the files if there
# are conflicts (Merging from VS is not affected by the settings below, in VS
# the diff markers are never inserted). Diff markers may cause the following
# file extensions to fail to load in VS. An alternative would be to treat
# these files as binary and thus will always conflict and require user
# intervention with every merge. To do so, just uncomment the entries below
###############################################################################
#*.sln merge=binary
#*.csproj merge=binary
#*.vbproj merge=binary
#*.vcxproj merge=binary
#*.vcproj merge=binary
#*.dbproj merge=binary
#*.fsproj merge=binary
#*.lsproj merge=binary
#*.wixproj merge=binary
#*.modelproj merge=binary
#*.sqlproj merge=binary
#*.wwaproj merge=binary
###############################################################################
# behavior for image files
#
# image files are treated as binary by default.
###############################################################################
#*.jpg binary
#*.png binary
#*.gif binary
###############################################################################
# diff behavior for common document formats
#
# Convert binary document formats to text before diffing them. This feature
# is only available from the command line. Turn it on by uncommenting the
# entries below.
###############################################################################
#*.doc diff=astextplain
#*.DOC diff=astextplain
#*.docx diff=astextplain
#*.DOCX diff=astextplain
#*.dot diff=astextplain
#*.DOT diff=astextplain
#*.pdf diff=astextplain
#*.PDF diff=astextplain
#*.rtf diff=astextplain
#*.RTF diff=astextplain

363
semester_3/racunalniska_omrezja/naloga_3/.gitignore vendored Normal file
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## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.
##
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
# User-specific files
*.rsuser
*.suo
*.user
*.userosscache
*.sln.docstates
# User-specific files (MonoDevelop/Xamarin Studio)
*.userprefs
# Mono auto generated files
mono_crash.*
# Build results
[Dd]ebug/
[Dd]ebugPublic/
[Rr]elease/
[Rr]eleases/
x64/
x86/
[Ww][Ii][Nn]32/
[Aa][Rr][Mm]/
[Aa][Rr][Mm]64/
bld/
[Bb]in/
[Oo]bj/
[Oo]ut/
[Ll]og/
[Ll]ogs/
# Visual Studio 2015/2017 cache/options directory
.vs/
# Uncomment if you have tasks that create the project's static files in wwwroot
#wwwroot/
# Visual Studio 2017 auto generated files
Generated\ Files/
# MSTest test Results
[Tt]est[Rr]esult*/
[Bb]uild[Ll]og.*
# NUnit
*.VisualState.xml
TestResult.xml
nunit-*.xml
# Build Results of an ATL Project
[Dd]ebugPS/
[Rr]eleasePS/
dlldata.c
# Benchmark Results
BenchmarkDotNet.Artifacts/
# .NET Core
project.lock.json
project.fragment.lock.json
artifacts/
# ASP.NET Scaffolding
ScaffoldingReadMe.txt
# StyleCop
StyleCopReport.xml
# Files built by Visual Studio
*_i.c
*_p.c
*_h.h
*.ilk
*.meta
*.obj
*.iobj
*.pch
*.pdb
*.ipdb
*.pgc
*.pgd
*.rsp
*.sbr
*.tlb
*.tli
*.tlh
*.tmp
*.tmp_proj
*_wpftmp.csproj
*.log
*.vspscc
*.vssscc
.builds
*.pidb
*.svclog
*.scc
# Chutzpah Test files
_Chutzpah*
# Visual C++ cache files
ipch/
*.aps
*.ncb
*.opendb
*.opensdf
*.sdf
*.cachefile
*.VC.db
*.VC.VC.opendb
# Visual Studio profiler
*.psess
*.vsp
*.vspx
*.sap
# Visual Studio Trace Files
*.e2e
# TFS 2012 Local Workspace
$tf/
# Guidance Automation Toolkit
*.gpState
# ReSharper is a .NET coding add-in
_ReSharper*/
*.[Rr]e[Ss]harper
*.DotSettings.user
# TeamCity is a build add-in
_TeamCity*
# DotCover is a Code Coverage Tool
*.dotCover
# AxoCover is a Code Coverage Tool
.axoCover/*
!.axoCover/settings.json
# Coverlet is a free, cross platform Code Coverage Tool
coverage*.json
coverage*.xml
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# Visual Studio code coverage results
*.coverage
*.coveragexml
# NCrunch
_NCrunch_*
.*crunch*.local.xml
nCrunchTemp_*
# MightyMoose
*.mm.*
AutoTest.Net/
# Web workbench (sass)
.sass-cache/
# Installshield output folder
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# DocProject is a documentation generator add-in
DocProject/buildhelp/
DocProject/Help/*.HxT
DocProject/Help/*.HxC
DocProject/Help/*.hhc
DocProject/Help/*.hhk
DocProject/Help/*.hhp
DocProject/Help/Html2
DocProject/Help/html
# Click-Once directory
publish/
# Publish Web Output
*.[Pp]ublish.xml
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# Note: Comment the next line if you want to checkin your web deploy settings,
# but database connection strings (with potential passwords) will be unencrypted
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*.publishproj
# Microsoft Azure Web App publish settings. Comment the next line if you want to
# checkin your Azure Web App publish settings, but sensitive information contained
# in these scripts will be unencrypted
PublishScripts/
# NuGet Packages
*.nupkg
# NuGet Symbol Packages
*.snupkg
# The packages folder can be ignored because of Package Restore
**/[Pp]ackages/*
# except build/, which is used as an MSBuild target.
!**/[Pp]ackages/build/
# Uncomment if necessary however generally it will be regenerated when needed
#!**/[Pp]ackages/repositories.config
# NuGet v3's project.json files produces more ignorable files
*.nuget.props
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# Microsoft Azure Build Output
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*.build.csdef
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# files ending in .cache can be ignored
*.[Cc]ache
# but keep track of directories ending in .cache
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# Others
ClientBin/
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orleans.codegen.cs
# Including strong name files can present a security risk
# (https://github.com/github/gitignore/pull/2483#issue-259490424)
#*.snk
# Since there are multiple workflows, uncomment next line to ignore bower_components
# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
#bower_components/
# RIA/Silverlight projects
Generated_Code/
# Backup & report files from converting an old project file
# to a newer Visual Studio version. Backup files are not needed,
# because we have git ;-)
_UpgradeReport_Files/
Backup*/
UpgradeLog*.XML
UpgradeLog*.htm
ServiceFabricBackup/
*.rptproj.bak
# SQL Server files
*.mdf
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*.rdl.data
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*- [Bb]ackup ([0-9]).rdl
*- [Bb]ackup ([0-9][0-9]).rdl
# Microsoft Fakes
FakesAssemblies/
# GhostDoc plugin setting file
*.GhostDoc.xml
# Node.js Tools for Visual Studio
.ntvs_analysis.dat
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*.vbw
# Visual Studio LightSwitch build output
**/*.HTMLClient/GeneratedArtifacts
**/*.DesktopClient/GeneratedArtifacts
**/*.DesktopClient/ModelManifest.xml
**/*.Server/GeneratedArtifacts
**/*.Server/ModelManifest.xml
_Pvt_Extensions
# Paket dependency manager
.paket/paket.exe
paket-files/
# FAKE - F# Make
.fake/
# CodeRush personal settings
.cr/personal
# Python Tools for Visual Studio (PTVS)
__pycache__/
*.pyc
# Cake - Uncomment if you are using it
# tools/**
# !tools/packages.config
# Tabs Studio
*.tss
# Telerik's JustMock configuration file
*.jmconfig
# BizTalk build output
*.btp.cs
*.btm.cs
*.odx.cs
*.xsd.cs
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OpenCover/
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ASALocalRun/
# MSBuild Binary and Structured Log
*.binlog
# NVidia Nsight GPU debugger configuration file
*.nvuser
# MFractors (Xamarin productivity tool) working folder
.mfractor/
# Local History for Visual Studio
.localhistory/
# BeatPulse healthcheck temp database
healthchecksdb
# Backup folder for Package Reference Convert tool in Visual Studio 2017
MigrationBackup/
# Ionide (cross platform F# VS Code tools) working folder
.ionide/
# Fody - auto-generated XML schema
FodyWeavers.xsd

25
semester_3/racunalniska_omrezja/naloga_3/TicTacToe.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.3.32929.385
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TicTacToe", "TicTacToe\TicTacToe.csproj", "{5678681E-B44D-4D1D-9E25-47027923B22E}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{5678681E-B44D-4D1D-9E25-47027923B22E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{5678681E-B44D-4D1D-9E25-47027923B22E}.Debug|Any CPU.Build.0 = Debug|Any CPU
{5678681E-B44D-4D1D-9E25-47027923B22E}.Release|Any CPU.ActiveCfg = Release|Any CPU
{5678681E-B44D-4D1D-9E25-47027923B22E}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {651A400A-64FA-4494-BA23-7E48917068DC}
EndGlobalSection
EndGlobal

9
semester_3/racunalniska_omrezja/naloga_3/TicTacToe/App.xaml Normal file
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<Application x:Class="TicTacToe.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:TicTacToe"
StartupUri="MainWindow.xaml">
<Application.Resources>
</Application.Resources>
</Application>

17
semester_3/racunalniska_omrezja/naloga_3/TicTacToe/App.xaml.cs Normal file
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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
namespace TicTacToe
{
/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
}
}

10
semester_3/racunalniska_omrezja/naloga_3/TicTacToe/AssemblyInfo.cs Normal file
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@@ -0,0 +1,10 @@
using System.Windows;
[assembly: ThemeInfo(
ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
//(used if a resource is not found in the page,
// or application resource dictionaries)
ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
//(used if a resource is not found in the page,
// app, or any theme specific resource dictionaries)
)]

27
semester_3/racunalniska_omrezja/naloga_3/TicTacToe/MainWindow.xaml Normal file
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<Window x:Class="TicTacToe.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:TicTacToe"
mc:Ignorable="d"
Title="MainWindow" Height="200" Width="230" ResizeMode="NoResize">
<Grid>
<Button Name="Field_0_0" Content="" Width="30" Height="30" HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top" Click="Field_Click"/>
<Button Name="Field_0_1" Content="" Width="30" Height="30" HorizontalAlignment="Left" Margin="50,10,0,0" VerticalAlignment="Top" Click="Field_Click"/>
<Button Name="Field_0_2" Content="" Width="30" Height="30" HorizontalAlignment="Left" Margin="90,10,0,0" VerticalAlignment="Top" Click="Field_Click"/>
<Button Name="Field_1_0" Content="" Width="30" Height="30" HorizontalAlignment="Left" Margin="10,50,0,0" VerticalAlignment="Top" Click="Field_Click"/>
<Button Name="Field_1_1" Content="" Width="30" Height="30" HorizontalAlignment="Left" Margin="50,50,0,0" VerticalAlignment="Top" Click="Field_Click"/>
<Button Name="Field_1_2" Content="" Width="30" Height="30" HorizontalAlignment="Left" Margin="90,50,0,0" VerticalAlignment="Top" Click="Field_Click"/>
<Button Name="Field_2_0" Content="" Width="30" Height="30" HorizontalAlignment="Left" Margin="10,90,0,0" VerticalAlignment="Top" Click="Field_Click"/>
<Button Name="Field_2_1" Content="" Width="30" Height="30" HorizontalAlignment="Left" Margin="50,90,0,0" VerticalAlignment="Top" Click="Field_Click"/>
<Button Name="Field_2_2" Content="" Width="30" Height="30" HorizontalAlignment="Left" Margin="90,90,0,0" VerticalAlignment="Top" Click="Field_Click"/>
<Button Name="StartButton" Content="Star" HorizontalAlignment="Left" Margin="130,10,0,0" VerticalAlignment="Top" Click="Start_Click"/>
<!--<Button Name="StopButton" Content="Sto" HorizontalAlignment="Left" Margin="130,40,0,0" VerticalAlignment="Top" Click="Stop_Click"/>-->
<CheckBox Name="SinglePlay" Content="SinglePlay" HorizontalAlignment="Left" Margin="130,100,0,0" VerticalAlignment="Top"/>
<CheckBox Name="Client" Content="Client" HorizontalAlignment="Left" Margin="130,75,0,0" VerticalAlignment="Top"/>
<Label Name="Label" HorizontalAlignment="Left" Margin="130,120,0,0" VerticalAlignment="Top"/>
<Label Name="Result" Content="" HorizontalAlignment="Left" Margin="10,130,0,0" VerticalAlignment="Top"/>
</Grid>
</Window>

337
semester_3/racunalniska_omrezja/naloga_3/TicTacToe/MainWindow.xaml.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Media.Media3D;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace TicTacToe
{
public partial class MainWindow : Window
{
const int STD_PORT = 1234;
const string STD_IP = "127.0.0.1";
const int STD_MSG_SIZE = 1024;
List<Button> buttons = new List<Button>();
public MainWindow()
{
InitializeComponent();
buttons.Add(Field_0_0);
buttons.Add(Field_0_1);
buttons.Add(Field_0_2);
buttons.Add(Field_1_0);
buttons.Add(Field_1_1);
buttons.Add(Field_1_2);
buttons.Add(Field_2_0);
buttons.Add(Field_2_1);
buttons.Add(Field_2_2);
DisableButtns(false);
}
private void DisableButtns(bool change)
{
foreach (Button button in buttons)
{
button.IsEnabled = change;
if (button.Content.ToString() != "")
{
button.IsEnabled = false;
}
}
}
int moveCount = 0;
int[,] board = new int[3, 3];
int n = 3;
private void ReportResult(int i)
{
if (i == 1) Result.Content = "I win";
if (i == 2) Result.Content = "Oponent win";
if (i == 0) Result.Content = "Draw";
}
private bool NextMove(int x, int y, int s)
{
if (board[x, y] == 0)
{
board[x, y] = s;
}
moveCount++;
for (int i = 0; i < 3; i++)
{
if (board[x, i] != s) break;
if (i == 2)
{
ReportResult(s);
return true;
}
}
for (int i = 0; i < 3; i++)
{
if (board[i, y] != s) break;
if (i == 2)
{
ReportResult(s);
return true;
}
}
if (x == y)
{
for (int i = 0; i < 3; i++)
{
if (board[i, i] != s) break;
if (i == 2)
{
ReportResult(s);
return true;
}
}
}
if (x + y == 2)
{
for (int i = 0; i < 3; i++)
{
if (board[i, 2 - i] != s) break;
if (i == 2)
{
ReportResult(s);
return true;
}
}
}
if (moveCount == 9)
{
ReportResult(0);
return true;
}
return false;
}
private void ResetBoard()
{
moveCount = 0;
for(int i = 0; i < 3; i++)
{
for(int j = 0; j < 3; j++)
{
board[i,j] = 0;
}
}
}
private async void Recive()
{
byte[] reciveMessage = Array.Empty<byte>();
int lenght = 0;
try
{
reciveMessage = new byte[STD_MSG_SIZE];
lenght = await networkStream.ReadAsync(reciveMessage, 0, reciveMessage.Length);
}
catch (Exception e)
{
Console.WriteLine(e.Message + e.StackTrace);
StopApp();
}
if(lenght <= 0) return;
string response = Encoding.UTF8.GetString(reciveMessage, 0, lenght);
string[] stringArray = response.Split('_');
if (Int32.TryParse(stringArray[0], out int x))
{
if (Int32.TryParse(stringArray[1], out int y))
{
buttons[3 * x + y].Content = "X";
if (NextMove(x, y, 2))
{
StopApp();
}
else
{
DisableButtns(true);
}
}
}
}
private void Send(string Message)
{
try
{
byte[] bytes = Encoding.UTF8.GetBytes(Message);
networkStream?.Write(bytes, 0, bytes.Length);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
StopApp();
}
}
NetworkStream ?networkStream;
TcpClient ?tcpClient;
TcpListener? tcpListener;
private async void StartApp()
{
ResetBoard();
foreach (Button button in buttons)
{
button.Content = "";
}
Label.Content = "";
Result.Content = "";
if (!SinglePlay.IsChecked ?? false)
{
Label.Content = "Connecting";
if (Client.IsChecked ?? false)
{
try
{
tcpClient = new TcpClient();
await tcpClient.ConnectAsync(STD_IP, STD_PORT);
networkStream = tcpClient.GetStream();
Recive();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Label.Content = "Disconected";
return;
}
}
else
{
try
{
tcpListener = new TcpListener(IPAddress.Parse(STD_IP), STD_PORT);
tcpListener.Start();
tcpClient = await tcpListener.AcceptTcpClientAsync();
networkStream = tcpClient.GetStream();
DisableButtns(true);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Label.Content = "Disconected";
return;
}
}
Label.Content = "Connected";
}
else
{
DisableButtns(true);
}
}
private void StopApp()
{
try
{
networkStream?.Close();
tcpClient?.Close();
tcpListener?.Stop();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
DisableButtns(false);
Label.Content = "Disconnected";
}
private void CompNextMove()
{
int field = 0;
while (buttons[field].Content.ToString() != ""){
field++;
}
buttons[field].Content = "X";
if(NextMove(field / 3, field % 3, 2))
{
DisableButtns(false);
}
else
{
DisableButtns(true);
}
}
private void Field_Click(object sender, RoutedEventArgs e)
{
if(sender is Button btn)
{
string[] stringArray = btn.Name.Split('_');
if (Int32.TryParse(stringArray[1], out int x))
{
if (Int32.TryParse(stringArray[2], out int y))
{
btn.Content = "O";
if (SinglePlay.IsChecked ?? false)
{
DisableButtns(false);
if (!NextMove(x, y, 1))
{
CompNextMove();
}
}
else
{
Send(String.Format("{0}_{1}", x, y));
if (!NextMove(x, y, 1))
{
Recive();
}
else
{
StopApp();
}
DisableButtns(false);
}
}
}
}
}
private void Start_Click(object sender, RoutedEventArgs e)
{
StartApp();
}
}
}

10
semester_3/racunalniska_omrezja/naloga_3/TicTacToe/TicTacToe.csproj Normal file
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@@ -0,0 +1,10 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<Nullable>enable</Nullable>
<UseWPF>true</UseWPF>
</PropertyGroup>
</Project>

63
semester_3/racunalniska_omrezja/naloga_4/.gitattributes vendored Normal file
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@@ -0,0 +1,63 @@
###############################################################################
# Set default behavior to automatically normalize line endings.
###############################################################################
* text=auto
###############################################################################
# Set default behavior for command prompt diff.
#
# This is need for earlier builds of msysgit that does not have it on by
# default for csharp files.
# Note: This is only used by command line
###############################################################################
#*.cs diff=csharp
###############################################################################
# Set the merge driver for project and solution files
#
# Merging from the command prompt will add diff markers to the files if there
# are conflicts (Merging from VS is not affected by the settings below, in VS
# the diff markers are never inserted). Diff markers may cause the following
# file extensions to fail to load in VS. An alternative would be to treat
# these files as binary and thus will always conflict and require user
# intervention with every merge. To do so, just uncomment the entries below
###############################################################################
#*.sln merge=binary
#*.csproj merge=binary
#*.vbproj merge=binary
#*.vcxproj merge=binary
#*.vcproj merge=binary
#*.dbproj merge=binary
#*.fsproj merge=binary
#*.lsproj merge=binary
#*.wixproj merge=binary
#*.modelproj merge=binary
#*.sqlproj merge=binary
#*.wwaproj merge=binary
###############################################################################
# behavior for image files
#
# image files are treated as binary by default.
###############################################################################
#*.jpg binary
#*.png binary
#*.gif binary
###############################################################################
# diff behavior for common document formats
#
# Convert binary document formats to text before diffing them. This feature
# is only available from the command line. Turn it on by uncommenting the
# entries below.
###############################################################################
#*.doc diff=astextplain
#*.DOC diff=astextplain
#*.docx diff=astextplain
#*.DOCX diff=astextplain
#*.dot diff=astextplain
#*.DOT diff=astextplain
#*.pdf diff=astextplain
#*.PDF diff=astextplain
#*.rtf diff=astextplain
#*.RTF diff=astextplain

363
semester_3/racunalniska_omrezja/naloga_4/.gitignore vendored Normal file
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@@ -0,0 +1,363 @@
## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.
##
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
# User-specific files
*.rsuser
*.suo
*.user
*.userosscache
*.sln.docstates
# User-specific files (MonoDevelop/Xamarin Studio)
*.userprefs
# Mono auto generated files
mono_crash.*
# Build results
[Dd]ebug/
[Dd]ebugPublic/
[Rr]elease/
[Rr]eleases/
x64/
x86/
[Ww][Ii][Nn]32/
[Aa][Rr][Mm]/
[Aa][Rr][Mm]64/
bld/
[Bb]in/
[Oo]bj/
[Oo]ut/
[Ll]og/
[Ll]ogs/
# Visual Studio 2015/2017 cache/options directory
.vs/
# Uncomment if you have tasks that create the project's static files in wwwroot
#wwwroot/
# Visual Studio 2017 auto generated files
Generated\ Files/
# MSTest test Results
[Tt]est[Rr]esult*/
[Bb]uild[Ll]og.*
# NUnit
*.VisualState.xml
TestResult.xml
nunit-*.xml
# Build Results of an ATL Project
[Dd]ebugPS/
[Rr]eleasePS/
dlldata.c
# Benchmark Results
BenchmarkDotNet.Artifacts/
# .NET Core
project.lock.json
project.fragment.lock.json
artifacts/
# ASP.NET Scaffolding
ScaffoldingReadMe.txt
# StyleCop
StyleCopReport.xml
# Files built by Visual Studio
*_i.c
*_p.c
*_h.h
*.ilk
*.meta
*.obj
*.iobj
*.pch
*.pdb
*.ipdb
*.pgc
*.pgd
*.rsp
*.sbr
*.tlb
*.tli
*.tlh
*.tmp
*.tmp_proj
*_wpftmp.csproj
*.log
*.vspscc
*.vssscc
.builds
*.pidb
*.svclog
*.scc
# Chutzpah Test files
_Chutzpah*
# Visual C++ cache files
ipch/
*.aps
*.ncb
*.opendb
*.opensdf
*.sdf
*.cachefile
*.VC.db
*.VC.VC.opendb
# Visual Studio profiler
*.psess
*.vsp
*.vspx
*.sap
# Visual Studio Trace Files
*.e2e
# TFS 2012 Local Workspace
$tf/
# Guidance Automation Toolkit
*.gpState
# ReSharper is a .NET coding add-in
_ReSharper*/
*.[Rr]e[Ss]harper
*.DotSettings.user
# TeamCity is a build add-in
_TeamCity*
# DotCover is a Code Coverage Tool
*.dotCover
# AxoCover is a Code Coverage Tool
.axoCover/*
!.axoCover/settings.json
# Coverlet is a free, cross platform Code Coverage Tool
coverage*.json
coverage*.xml
coverage*.info
# Visual Studio code coverage results
*.coverage
*.coveragexml
# NCrunch
_NCrunch_*
.*crunch*.local.xml
nCrunchTemp_*
# MightyMoose
*.mm.*
AutoTest.Net/
# Web workbench (sass)
.sass-cache/
# Installshield output folder
[Ee]xpress/
# DocProject is a documentation generator add-in
DocProject/buildhelp/
DocProject/Help/*.HxT
DocProject/Help/*.HxC
DocProject/Help/*.hhc
DocProject/Help/*.hhk
DocProject/Help/*.hhp
DocProject/Help/Html2
DocProject/Help/html
# Click-Once directory
publish/
# Publish Web Output
*.[Pp]ublish.xml
*.azurePubxml
# Note: Comment the next line if you want to checkin your web deploy settings,
# but database connection strings (with potential passwords) will be unencrypted
*.pubxml
*.publishproj
# Microsoft Azure Web App publish settings. Comment the next line if you want to
# checkin your Azure Web App publish settings, but sensitive information contained
# in these scripts will be unencrypted
PublishScripts/
# NuGet Packages
*.nupkg
# NuGet Symbol Packages
*.snupkg
# The packages folder can be ignored because of Package Restore
**/[Pp]ackages/*
# except build/, which is used as an MSBuild target.
!**/[Pp]ackages/build/
# Uncomment if necessary however generally it will be regenerated when needed
#!**/[Pp]ackages/repositories.config
# NuGet v3's project.json files produces more ignorable files
*.nuget.props
*.nuget.targets
# Microsoft Azure Build Output
csx/
*.build.csdef
# Microsoft Azure Emulator
ecf/
rcf/
# Windows Store app package directories and files
AppPackages/
BundleArtifacts/
Package.StoreAssociation.xml
_pkginfo.txt
*.appx
*.appxbundle
*.appxupload
# Visual Studio cache files
# files ending in .cache can be ignored
*.[Cc]ache
# but keep track of directories ending in .cache
!?*.[Cc]ache/
# Others
ClientBin/
~$*
*~
*.dbmdl
*.dbproj.schemaview
*.jfm
*.pfx
*.publishsettings
orleans.codegen.cs
# Including strong name files can present a security risk
# (https://github.com/github/gitignore/pull/2483#issue-259490424)
#*.snk
# Since there are multiple workflows, uncomment next line to ignore bower_components
# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
#bower_components/
# RIA/Silverlight projects
Generated_Code/
# Backup & report files from converting an old project file
# to a newer Visual Studio version. Backup files are not needed,
# because we have git ;-)
_UpgradeReport_Files/
Backup*/
UpgradeLog*.XML
UpgradeLog*.htm
ServiceFabricBackup/
*.rptproj.bak
# SQL Server files
*.mdf
*.ldf
*.ndf
# Business Intelligence projects
*.rdl.data
*.bim.layout
*.bim_*.settings
*.rptproj.rsuser
*- [Bb]ackup.rdl
*- [Bb]ackup ([0-9]).rdl
*- [Bb]ackup ([0-9][0-9]).rdl
# Microsoft Fakes
FakesAssemblies/
# GhostDoc plugin setting file
*.GhostDoc.xml
# Node.js Tools for Visual Studio
.ntvs_analysis.dat
node_modules/
# Visual Studio 6 build log
*.plg
# Visual Studio 6 workspace options file
*.opt
# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
*.vbw
# Visual Studio LightSwitch build output
**/*.HTMLClient/GeneratedArtifacts
**/*.DesktopClient/GeneratedArtifacts
**/*.DesktopClient/ModelManifest.xml
**/*.Server/GeneratedArtifacts
**/*.Server/ModelManifest.xml
_Pvt_Extensions
# Paket dependency manager
.paket/paket.exe
paket-files/
# FAKE - F# Make
.fake/
# CodeRush personal settings
.cr/personal
# Python Tools for Visual Studio (PTVS)
__pycache__/
*.pyc
# Cake - Uncomment if you are using it
# tools/**
# !tools/packages.config
# Tabs Studio
*.tss
# Telerik's JustMock configuration file
*.jmconfig
# BizTalk build output
*.btp.cs
*.btm.cs
*.odx.cs
*.xsd.cs
# OpenCover UI analysis results
OpenCover/
# Azure Stream Analytics local run output
ASALocalRun/
# MSBuild Binary and Structured Log
*.binlog
# NVidia Nsight GPU debugger configuration file
*.nvuser
# MFractors (Xamarin productivity tool) working folder
.mfractor/
# Local History for Visual Studio
.localhistory/
# BeatPulse healthcheck temp database
healthchecksdb
# Backup folder for Package Reference Convert tool in Visual Studio 2017
MigrationBackup/
# Ionide (cross platform F# VS Code tools) working folder
.ionide/
# Fody - auto-generated XML schema
FodyWeavers.xsd

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.3.32929.385
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Client", "Client\Client.csproj", "{319BBFFD-8B44-4979-A249-B373C0999197}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Server", "Server\Server.csproj", "{AF0EF317-9227-41D3-AF83-0718A008A7CD}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MyApplication", "MyApplication\MyApplication.csproj", "{FCB673DA-8D3B-421B-A746-63ABF92A74D9}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{319BBFFD-8B44-4979-A249-B373C0999197}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{319BBFFD-8B44-4979-A249-B373C0999197}.Debug|Any CPU.Build.0 = Debug|Any CPU
{319BBFFD-8B44-4979-A249-B373C0999197}.Release|Any CPU.ActiveCfg = Release|Any CPU
{319BBFFD-8B44-4979-A249-B373C0999197}.Release|Any CPU.Build.0 = Release|Any CPU
{AF0EF317-9227-41D3-AF83-0718A008A7CD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{AF0EF317-9227-41D3-AF83-0718A008A7CD}.Debug|Any CPU.Build.0 = Debug|Any CPU
{AF0EF317-9227-41D3-AF83-0718A008A7CD}.Release|Any CPU.ActiveCfg = Release|Any CPU
{AF0EF317-9227-41D3-AF83-0718A008A7CD}.Release|Any CPU.Build.0 = Release|Any CPU
{FCB673DA-8D3B-421B-A746-63ABF92A74D9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{FCB673DA-8D3B-421B-A746-63ABF92A74D9}.Debug|Any CPU.Build.0 = Debug|Any CPU
{FCB673DA-8D3B-421B-A746-63ABF92A74D9}.Release|Any CPU.ActiveCfg = Release|Any CPU
{FCB673DA-8D3B-421B-A746-63ABF92A74D9}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {3C45B0A3-2A60-451D-8C65-A3B529982687}
EndGlobalSection
EndGlobal

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using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Security.Cryptography;
using System.Reflection.Metadata;
using System;
namespace Naloga {
class Client
{
const int STD_PORT = 1234;
const string STD_IP = "127.0.0.1";
const int STD_BUFF = 256;
static void Main()
{
TcpClient client = new TcpClient();
client.Connect(IPAddress.Parse(STD_IP), STD_PORT);
NetworkStream tcpStream = client.GetStream();
byte[] bytes = new byte[STD_BUFF];
int lenght = tcpStream.Read(bytes, 0, bytes.Length);
int bufferCount = BitConverter.ToInt32(bytes,0);
using (ECDiffieHellmanCng eCDiffieHellmanCng = new ECDiffieHellmanCng())
{
eCDiffieHellmanCng.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
eCDiffieHellmanCng.HashAlgorithm = CngAlgorithm.Sha256;
byte[] myPublicKey = eCDiffieHellmanCng.PublicKey.ToByteArray();
tcpStream.Write(myPublicKey, 0, myPublicKey.Length);
byte[] therePublicKey = new byte[STD_BUFF];
int retLenght = tcpStream.Read(therePublicKey, 0, therePublicKey.Length);
CngKey thereKey = CngKey.Import(therePublicKey, CngKeyBlobFormat.EccPublicBlob);
byte[] myKey = eCDiffieHellmanCng.DeriveKeyMaterial(thereKey);
using (Aes aes = Aes.Create())
{
aes.Key = myKey;
aes.IV = Encoding.UTF8.GetBytes("sestnajst1616161");
//Console.WriteLine(Encoding.UTF8.GetString(aes.IV));
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
// Encrypt the message
using(FileStream fileStream = new FileStream("video.mp4", FileMode.OpenOrCreate))
using (CryptoStream cs = new CryptoStream(tcpStream, aes.CreateDecryptor(), CryptoStreamMode.Read))
{
for (int i = 0; i < bufferCount+1; i++)
{
byte[] bytes2 = new byte[STD_BUFF];
int len = cs.Read(bytes2, 0, bytes2.Length);
//Console.WriteLine(Encoding.UTF8.GetString(bytes2));
fileStream.Write(bytes2, 0, len);
}
cs.Close();
fileStream.Close();
}
aes.Dispose();
}
}
tcpStream.Close();
client.Close();
Console.WriteLine("Finished");
Console.ReadKey();
}
}
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

9
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<Application x:Class="MyApplication.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:MyApplication"
StartupUri="MainWindow.xaml">
<Application.Resources>
</Application.Resources>
</Application>

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semester_3/racunalniska_omrezja/naloga_4/MyApplication/App.xaml.cs Normal file
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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
namespace MyApplication
{
/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
}
}

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using System.Windows;
[assembly: ThemeInfo(
ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
//(used if a resource is not found in the page,
// or application resource dictionaries)
ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
//(used if a resource is not found in the page,
// app, or any theme specific resource dictionaries)
)]

21
semester_3/racunalniska_omrezja/naloga_4/MyApplication/MainWindow.xaml Normal file
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<Window x:Class="MyApplication.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:MyApplication"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<Grid>
<StackPanel>
<Label Name="lableAddress" Content="Label"/>
<Button Content="Select file to send" Click="Select_Click"/>
<Button x:Name="send_Button" Content="Send" Click="Send_Click" IsEnabled="False"/>
<Button Content="Recive" Click="Recive_Click"/>
<Label Name="lableFileName"/>
<Label Name="lableSize"/>
<Label Name="lableFinish"/>
</StackPanel>
</Grid>
</Window>

229
semester_3/racunalniska_omrezja/naloga_4/MyApplication/MainWindow.xaml.cs Normal file
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using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace MyApplication
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
const int STD_PORT = 1234;
const string STD_IP = "127.0.0.1";
const int STD_BUFF = 256;
string fileName = "";
public MainWindow()
{
InitializeComponent();
}
private void Select_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.FileName = ""; // Default file name
dialog.DefaultExt = "*."; // Default file extension
dialog.Filter = "All|*.*"; // Filter files by extension
bool? result = dialog.ShowDialog();
if (result == true)
{
fileName = dialog.FileName;
lableAddress.Content = fileName;
send_Button.IsEnabled = true;
}
}
private void Send_Click(object sender, RoutedEventArgs e)
{
lableFinish.Content = "";
Send();
}
private void Recive_Click(object sender, RoutedEventArgs e)
{
lableFinish.Content = "";
Recive();
}
private void Recive()
{
string downloadsPath = KnownFolders.GetPath(KnownFolder.Downloads);
TcpListener tcpListener = new TcpListener(IPAddress.Parse(STD_IP), STD_PORT);
tcpListener.Start();
using TcpClient tcpClient = tcpListener.AcceptTcpClient();
using NetworkStream networkStream = tcpClient.GetStream();
//--------------------------------------------------------------------------------------------------Recive Name of File------------------------------------
byte[] buffer = new byte[STD_BUFF];
int readBytes = networkStream.Read(buffer, 0, buffer.Length);
if (readBytes < 0) return;
string fileName = Encoding.UTF8.GetString(buffer,0, readBytes);
string fileDestination = downloadsPath + "\\" + fileName;
lableFileName.Content = fileDestination;
//-----------------------------------------------------------------------------------------------Send Size of File------------------------------------
buffer = new byte[STD_BUFF];
readBytes = networkStream.Read(buffer, 0, buffer.Length);
if (readBytes < 0) return;
int bufferCount = BitConverter.ToInt32(buffer, 0);
lableSize.Content = bufferCount.ToString();
//-------------------------------------------------------------------------------------------------ECDiffieHellmanCng--------------------
using ECDiffieHellmanCng eCDiffieHellmanCng = new ECDiffieHellmanCng();
eCDiffieHellmanCng.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
eCDiffieHellmanCng.HashAlgorithm = CngAlgorithm.Sha256;
byte[] myPublicKey = eCDiffieHellmanCng.PublicKey.ToByteArray();
networkStream.Write(myPublicKey, 0, myPublicKey.Length);
byte[] therePublicKey = new byte[140];
readBytes = networkStream.Read(therePublicKey, 0, therePublicKey.Length);
if (readBytes < 0) return;
CngKey thereKey = CngKey.Import(therePublicKey, CngKeyBlobFormat.EccPublicBlob);
byte[] Key = eCDiffieHellmanCng.DeriveKeyMaterial(thereKey);
using Aes aes = Aes.Create();
aes.Key = Key;
aes.IV = Encoding.UTF8.GetBytes("sestnajst1616161");
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
using CryptoStream cryptoStream = new CryptoStream(networkStream, aes.CreateDecryptor(), CryptoStreamMode.Read);
using FileStream fileStream = new FileStream(fileDestination, FileMode.OpenOrCreate);
for (int i = 0; i < bufferCount; i++)
{
buffer = new byte[STD_BUFF];
readBytes = cryptoStream.Read(buffer, 0, buffer.Length);
fileStream.Write(buffer, 0, readBytes);
}
cryptoStream.Close();
aes.Clear();
eCDiffieHellmanCng.Clear();
networkStream.Close();
tcpClient.Close();
tcpListener.Stop();
lableFinish.Content = "finished";
}
void Send()
{
using TcpClient tcpClient = new TcpClient();
tcpClient.Connect(IPAddress.Parse(STD_IP), STD_PORT);
using NetworkStream networkStream = tcpClient.GetStream();
//--------------------------------------------------------------------------------------------------Send Name of File------------------------------------
string[] fileNames = fileName.Split("\\");
byte[] nameInBytes = Encoding.UTF8.GetBytes(fileNames.Last());
networkStream.Write(nameInBytes, 0, nameInBytes.Length);
lableFileName.Content = fileName;
using FileStream fileStream = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.Read);
//-----------------------------------------------------------------------------------------------Send Size of File------------------------------------
int bufferCount = Convert.ToInt32(Math.Ceiling((double)fileStream.Length / (double)STD_BUFF));
byte[] size = BitConverter.GetBytes(bufferCount);
networkStream.Write(size, 0, size.Length);
lableSize.Content = bufferCount.ToString();
//-------------------------------------------------------------------------------------------------ECDiffieHellmanCng--------------------
using ECDiffieHellmanCng eCDiffieHellmanCng = new ECDiffieHellmanCng();
eCDiffieHellmanCng.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
eCDiffieHellmanCng.HashAlgorithm = CngAlgorithm.Sha256;
//----------------------------------------------------------------------Send my key--------------
byte[] myPublicKey = eCDiffieHellmanCng.PublicKey.ToByteArray();
networkStream.Write(myPublicKey, 0, myPublicKey.Length);
//-------------------------------------------------------------------Recive there key and create private key------------------------
byte[] therePublicKey = new byte[140];
int readByte = networkStream.Read(therePublicKey, 0, therePublicKey.Length);
if (readByte < 0) return;
CngKey thereKey = CngKey.Import(therePublicKey, CngKeyBlobFormat.EccPublicBlob);
byte[] Key = eCDiffieHellmanCng.DeriveKeyMaterial(thereKey);
//---------------------------------------------------------------------------AES Crete
using Aes aes = Aes.Create();
aes.Key = Key;
aes.IV = Encoding.UTF8.GetBytes("sestnajst1616161");
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
//----------------------------------------------------------------------------Create crypto strim
using CryptoStream cryptoStream = new CryptoStream(fileStream, aes.CreateEncryptor(), CryptoStreamMode.Read);
for(int i = 0; i < bufferCount+1; i++)
{
byte[] buffer = new byte[STD_BUFF];
int returndCaunt = cryptoStream.Read(buffer, 0, buffer.Length);
networkStream.Write(buffer, 0, returndCaunt);
}
cryptoStream.Close();
aes.Clear();
eCDiffieHellmanCng.Clear();
networkStream.Close();
networkStream.Close();
tcpClient.Close();
lableFinish.Content = "finished";
}
public enum KnownFolder
{
Contacts,
Downloads,
Favorites,
Links,
SavedGames,
SavedSearches
}
public static class KnownFolders
{
private static readonly Dictionary<KnownFolder, Guid> _guids = new()
{
[KnownFolder.Contacts] = new("56784854-C6CB-462B-8169-88E350ACB882"),
[KnownFolder.Downloads] = new("374DE290-123F-4565-9164-39C4925E467B"),
[KnownFolder.Favorites] = new("1777F761-68AD-4D8A-87BD-30B759FA33DD"),
[KnownFolder.Links] = new("BFB9D5E0-C6A9-404C-B2B2-AE6DB6AF4968"),
[KnownFolder.SavedGames] = new("4C5C32FF-BB9D-43B0-B5B4-2D72E54EAAA4"),
[KnownFolder.SavedSearches] = new("7D1D3A04-DEBB-4115-95CF-2F29DA2920DA")
};
public static string GetPath(KnownFolder knownFolder)
{
return SHGetKnownFolderPath(_guids[knownFolder], 0);
}
[DllImport("shell32",
CharSet = CharSet.Unicode, ExactSpelling = true, PreserveSig = false)]
private static extern string SHGetKnownFolderPath(
[MarshalAs(UnmanagedType.LPStruct)] Guid rfid, uint dwFlags,
nint hToken = 0);
}
}
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<Nullable>enable</Nullable>
<UseWPF>true</UseWPF>
</PropertyGroup>
</Project>

95
semester_3/racunalniska_omrezja/naloga_4/Server/Server.cs Normal file
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using System.Net.Sockets;
using System.Net;
using System.Text;
using System;
using System.Security.Cryptography;
namespace Naloga
{
class Server
{
const int STD_PORT = 1234;
const string STD_IP = "127.0.0.1";
const int STD_BUFF = 256;
static void Main()
{
TcpListener listener = new TcpListener(IPAddress.Parse(STD_IP), STD_PORT);
listener.Start();
TcpClient client = listener.AcceptTcpClient();
NetworkStream tcpStream = client.GetStream();
FileStream fileStream = new FileStream("video.mp4", FileMode.OpenOrCreate);
int bufferCount = Convert.ToInt32(Math.Ceiling((double)fileStream.Length / (double)STD_BUFF));
byte[] size = BitConverter.GetBytes(bufferCount);
tcpStream.Write(size, 0, size.Length);
using (ECDiffieHellmanCng eCDiffieHellmanCng = new ECDiffieHellmanCng())
{
eCDiffieHellmanCng.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
eCDiffieHellmanCng.HashAlgorithm = CngAlgorithm.Sha256;
byte[] myPublicKey = eCDiffieHellmanCng.PublicKey.ToByteArray();
tcpStream.Write(myPublicKey, 0, myPublicKey.Length);
byte[] therePublicKey = new byte[myPublicKey.Length];
int retLenght = tcpStream.Read(therePublicKey, 0, therePublicKey.Length);
CngKey thereKey = CngKey.Import(therePublicKey, CngKeyBlobFormat.EccPublicBlob);
byte[] myKey = eCDiffieHellmanCng.DeriveKeyMaterial(thereKey);
using (Aes aes = Aes.Create())
{
aes.Key = myKey;
aes.IV = Encoding.UTF8.GetBytes("sestnajst1616161"); ;
//tcpStream.Write(aes.IV, 0, aes.IV.Length);
//Console.WriteLine(Encoding.UTF8.GetString(aes.IV));
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
// Encrypt the message
using (CryptoStream cs = new CryptoStream(fileStream, aes.CreateEncryptor(), CryptoStreamMode.Read))
{
for(int i = 0; i < bufferCount+1; i++)
{
byte[] buffer = new byte[STD_BUFF];
int readBytes = cs.Read(buffer, 0, buffer.Length);
tcpStream.Write(buffer, 0, readBytes);
}
cs.Close();
}
aes.Dispose();
}
eCDiffieHellmanCng.Dispose();
}
Console.WriteLine("Finished");
fileStream.Close();
tcpStream.Close();
client.Close();
listener.Stop();
Console.ReadKey();
}
}
}

10
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

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###############################################################################
# Set default behavior to automatically normalize line endings.
###############################################################################
* text=auto
###############################################################################
# Set default behavior for command prompt diff.
#
# This is need for earlier builds of msysgit that does not have it on by
# default for csharp files.
# Note: This is only used by command line
###############################################################################
#*.cs diff=csharp
###############################################################################
# Set the merge driver for project and solution files
#
# Merging from the command prompt will add diff markers to the files if there
# are conflicts (Merging from VS is not affected by the settings below, in VS
# the diff markers are never inserted). Diff markers may cause the following
# file extensions to fail to load in VS. An alternative would be to treat
# these files as binary and thus will always conflict and require user
# intervention with every merge. To do so, just uncomment the entries below
###############################################################################
#*.sln merge=binary
#*.csproj merge=binary
#*.vbproj merge=binary
#*.vcxproj merge=binary
#*.vcproj merge=binary
#*.dbproj merge=binary
#*.fsproj merge=binary
#*.lsproj merge=binary
#*.wixproj merge=binary
#*.modelproj merge=binary
#*.sqlproj merge=binary
#*.wwaproj merge=binary
###############################################################################
# behavior for image files
#
# image files are treated as binary by default.
###############################################################################
#*.jpg binary
#*.png binary
#*.gif binary
###############################################################################
# diff behavior for common document formats
#
# Convert binary document formats to text before diffing them. This feature
# is only available from the command line. Turn it on by uncommenting the
# entries below.
###############################################################################
#*.doc diff=astextplain
#*.DOC diff=astextplain
#*.docx diff=astextplain
#*.DOCX diff=astextplain
#*.dot diff=astextplain
#*.DOT diff=astextplain
#*.pdf diff=astextplain
#*.PDF diff=astextplain
#*.rtf diff=astextplain
#*.RTF diff=astextplain

363
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## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.
##
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
# User-specific files
*.rsuser
*.suo
*.user
*.userosscache
*.sln.docstates
# User-specific files (MonoDevelop/Xamarin Studio)
*.userprefs
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31
semester_3/racunalniska_omrezja/naloga_5/5_Naloga.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.3.32929.385
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConsoleTest", "5_Naloga\ConsoleTest.csproj", "{2E637986-DAC0-4302-9E8D-1DB9910661CA}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WpfBlockChanApp", "WpfBlockChanApp\WpfBlockChanApp.csproj", "{B651C90A-8939-4849-A5BA-F661D00F74FE}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{2E637986-DAC0-4302-9E8D-1DB9910661CA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{2E637986-DAC0-4302-9E8D-1DB9910661CA}.Debug|Any CPU.Build.0 = Debug|Any CPU
{2E637986-DAC0-4302-9E8D-1DB9910661CA}.Release|Any CPU.ActiveCfg = Release|Any CPU
{2E637986-DAC0-4302-9E8D-1DB9910661CA}.Release|Any CPU.Build.0 = Release|Any CPU
{B651C90A-8939-4849-A5BA-F661D00F74FE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{B651C90A-8939-4849-A5BA-F661D00F74FE}.Debug|Any CPU.Build.0 = Debug|Any CPU
{B651C90A-8939-4849-A5BA-F661D00F74FE}.Release|Any CPU.ActiveCfg = Release|Any CPU
{B651C90A-8939-4849-A5BA-F661D00F74FE}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {63058FC6-85D1-483D-8014-666AD1775074}
EndGlobalSection
EndGlobal

11
semester_3/racunalniska_omrezja/naloga_5/5_Naloga/ConsoleTest.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<RootNamespace>_5_Naloga</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

120
semester_3/racunalniska_omrezja/naloga_5/5_Naloga/Program.cs Normal file
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using System;
using System.Collections.Generic;
using System.Security.Cryptography;
using System.Text;
using System.Text.Json;
namespace TestConsole
{
class Block
{
public int Index { get; set; }
public string PreviousHash { get; set; }
public string Hash { get; set; }
public string Data { get; set; }
public long Timestamp { get; set; }
public int Nonce { get; set; }
public Block(int index, string previousHash, string data)
{
Index = index;
PreviousHash = previousHash;
Data = data;
Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
Nonce = 0;
Hash = CalculateHash();
}
public string CalculateHash()
{
using (SHA256 sha256 = SHA256.Create())
{
string hash = "";
byte[] inputBytes = Encoding.UTF8.GetBytes($"{Index}{PreviousHash}{Timestamp}{Data}{Nonce}");
byte[] outputBytes = sha256.ComputeHash(inputBytes);
hash = Convert.ToBase64String(outputBytes);
while (hash.Substring(0,3) != "000")
{
Nonce++;
inputBytes = Encoding.UTF8.GetBytes($"{Index}{PreviousHash}{Timestamp}{Data}{Nonce}");
outputBytes = sha256.ComputeHash(inputBytes);
hash = Convert.ToBase64String(outputBytes);
}
return hash;
}
}
}
class Blockchain
{
public List<Block> Chain { get; set; }
public Blockchain()
{
Chain = new List<Block>();
Chain.Add(new Block(0, "", ""));
}
public Block GetLatestBlock()
{
return Chain[Chain.Count - 1];
}
public void AddBlock(string data)
{
Block latestBlock = GetLatestBlock();
int index = latestBlock.Index + 1;
string previousHash = latestBlock.Hash;
Chain.Add(new Block(index, previousHash, data));
}
public bool IsValid()
{
for (int i = 1; i < Chain.Count; i++)
{
Block currentBlock = Chain[i];
Block previusBlock = Chain[i - 1];
if (currentBlock.PreviousHash != previusBlock.Hash) return false;
if (currentBlock.Hash != currentBlock.CalculateHash()) return false;
if (currentBlock.Index != previusBlock.Index + 1) return false;
return true;
}
return false;
}
}
class Program
{
static void Main(string[] args)
{
Blockchain blockchain = new Blockchain();
blockchain.AddBlock("This is block 1");
blockchain.AddBlock("This is block 2");
blockchain.AddBlock("This is block 3");
var options = new JsonSerializerOptions { WriteIndented = true };
string blockString = JsonSerializer.Serialize(blockchain.Chain, options);
Console.WriteLine(blockString);
/*
foreach (Block block in blockchain.Chain)
{
Console.WriteLine($"Index: {block.Index}");
Console.WriteLine($"Previous Hash: {block.PreviousHash}");
Console.WriteLine($"Hash: {block.Hash}");
Console.WriteLine($"Data: {block.Data}");
Console.WriteLine($"Timestamp: {block.Timestamp}");
Console.WriteLine();
}
Console.WriteLine(blockchain.IsValid() ? "Block Chen is valid" : "BlockChain is invalid");
*/
}
}
}

9
semester_3/racunalniska_omrezja/naloga_5/WpfBlockChanApp/App.xaml Normal file
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<Application x:Class="WpfBlockChanApp.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:WpfBlockChanApp"
StartupUri="MainWindow.xaml">
<Application.Resources>
</Application.Resources>
</Application>

17
semester_3/racunalniska_omrezja/naloga_5/WpfBlockChanApp/App.xaml.cs Normal file
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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
namespace WpfBlockChanApp
{
/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
}
}

10
semester_3/racunalniska_omrezja/naloga_5/WpfBlockChanApp/AssemblyInfo.cs Normal file
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using System.Windows;
[assembly: ThemeInfo(
ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
//(used if a resource is not found in the page,
// or application resource dictionaries)
ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
//(used if a resource is not found in the page,
// app, or any theme specific resource dictionaries)
)]

57
semester_3/racunalniska_omrezja/naloga_5/WpfBlockChanApp/Block.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Security.Cryptography;
using System.Threading.Tasks;
using System.Text.Json.Serialization;
namespace WpfBlockChanApp
{
internal class Block
{
public int Index { get; set; }
public string PreviousHash { get; set; }
public string Hash { get; set; }
public string Data { get; set; }
public long Timestamp { get; set; }
public int Nonce { get; set; }
public int Difficulty { get; set; }
public int LastAdjustBlock { get; set; }
[JsonIgnore]
public string GetString
{
get { return $"{Index}\n{Data}\n{PreviousHash}\n{Hash}"; }
}
public Block(int index, string previousHash, string data, int difficulty, int lastAdjustBlock)
{
Index = index;
PreviousHash = previousHash;
Data = data;
Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
Nonce = 0;
Difficulty = difficulty;
LastAdjustBlock = lastAdjustBlock;
Hash = CalculateHash();
}
public string CalculateHash()
{
using (SHA256 sha256 = SHA256.Create())
{
byte[] inputBytes = Encoding.UTF8.GetBytes($"{Index}{PreviousHash}{Timestamp}{Data}{Difficulty}{Nonce}");
byte[] outputBytes = sha256.ComputeHash(inputBytes);
return Convert.ToBase64String(outputBytes);
}
}
public bool MatchDifficulty()
{
return Hash[..Difficulty] != new string('0', Difficulty);
}
}
}

125
semester_3/racunalniska_omrezja/naloga_5/WpfBlockChanApp/BlockChain.cs Normal file
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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Markup;
namespace WpfBlockChanApp
{
internal struct ReturnOption
{
public bool isValid;
public Block value;
public ReturnOption(bool isValid, Block value)
{
this.isValid = isValid;
this.value = value;
}
}
static class Blockchain
{
public static List<Block> Chain { get; set; }
public static Mutex chainMutax = new Mutex();
readonly static int diffAdjustInterval = 10;
readonly static long timeExpected = 100_000;
public static bool Compute { get; set; }
static Block GetLatestBlock()
{
return Chain[Chain.Count - 1];
}
static ReturnOption GetSomeBlock(int lastAdjustBlock)
{
if(lastAdjustBlock + diffAdjustInterval > Chain.Count) {
return new(false, Chain[0]);
}
ReturnOption ret = new(true, Chain[lastAdjustBlock]);
return ret;
}
public static ReturnOption ComputeBlock(string data)
{
Block lastBlock = GetLatestBlock();
int index = lastBlock.Index + 1;
string previousHash = lastBlock.Hash;
int difficulty = lastBlock.Difficulty;
int lastAdjustBlock = lastBlock.LastAdjustBlock;
var previousAdjustmentBlock = GetSomeBlock(lastAdjustBlock);
if (previousAdjustmentBlock.isValid) {
long timeTaken = lastBlock.Timestamp - previousAdjustmentBlock.value.Timestamp;
if (timeTaken < (timeExpected / 2))
difficulty += 1; // povečanje težavnosti
else if (timeTaken > (timeExpected * 2))
difficulty -= 1; // pomanjšanje težavnosti
lastAdjustBlock = index;
}
var newBlock = new Block(index, previousHash, data, difficulty, lastAdjustBlock);
while (newBlock.MatchDifficulty())
{
if (!Compute) return new ( false, newBlock );
newBlock.Nonce++;
newBlock.Hash = newBlock.CalculateHash();
}
return new( true, newBlock );
}
public static bool AddBlock(Block block)
{
Block previusBlock = GetLatestBlock();
if (block.PreviousHash != previusBlock.Hash) return false;
if (block.Hash != block.CalculateHash()) return false;
if (block.Index != previusBlock.Index + 1) return false;
chainMutax.WaitOne();
Chain.Add(block);
chainMutax.ReleaseMutex();
return true;
}
public static bool IsValid(List<Block> chain)
{
for (int i = 1; i < chain.Count; i++)
{
Block currentBlock = chain[i];
Block previusBlock = chain[i - 1];
if (currentBlock.PreviousHash != previusBlock.Hash) return false;
if (currentBlock.Hash != currentBlock.CalculateHash()) return false;
if (currentBlock.Index != previusBlock.Index + 1) return false;
if (currentBlock.Timestamp > previusBlock.Timestamp + 60_000) return false;
}
return true;
}
public static bool Evaluete(List<Block> chain1, List<Block> chain2)
{
List<Block> result = new List<Block>();
double chain1Dif = 0;
foreach (var item in chain1)
{
chain1Dif += Math.Pow(2, item.Difficulty);
}
double chain2Dif = 0;
foreach (var item in chain2)
{
chain2Dif += Math.Pow(2, item.Difficulty);
}
return (chain1Dif > chain2Dif) ? false : true;
}
}
}

62
semester_3/racunalniska_omrezja/naloga_5/WpfBlockChanApp/MainWindow.xaml Normal file
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<Window x:Class="WpfBlockChanApp.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfBlockChanApp"
mc:Ignorable="d"
Closing="Window_Closing"
Title="MainWindow" MinHeight="450" MinWidth="800" Width="800" Height="450">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="100"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Button Content="Start" HorizontalAlignment="Left" Margin="10,34,0,0" VerticalAlignment="Top" Click="Start_Click"/>
<Button Content="Stop" HorizontalAlignment="Left" Margin="10,60,0,0" VerticalAlignment="Top" Click="Stop_Click"/>
<Label Grid.Row="0" Content="MyName" HorizontalAlignment="Left" Margin="82,14,0,0" VerticalAlignment="Top"/>
<TextBox HorizontalAlignment="Left" Margin="154,18,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="120"/>
<Label Content="Conect To" HorizontalAlignment="Left" Margin="82,49,0,0" VerticalAlignment="Top"/>
<TextBox Name="ConnectBox" HorizontalAlignment="Left" Margin="154,57,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="120"/>
<Button Content="Connect" HorizontalAlignment="Left" Margin="292,57,0,0" VerticalAlignment="Top" Click="Connect_Click"/>
<Label Content="My Port" HorizontalAlignment="Left" Margin="392,14,0,0" VerticalAlignment="Top"/>
<Label Name="MyPort" Content="" HorizontalAlignment="Left" Margin="458,14,0,0" VerticalAlignment="Top"/>
<Grid Grid.Row="1">
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<ListView Name="ChainView" Grid.Column="0" Margin="10">
<ListView.ItemTemplate>
<DataTemplate>
<StackPanel Margin="2">
<Label Content="{Binding Path=GetString}"/>
</StackPanel>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
<ListView Name="LogView" Grid.Column="1" Margin="10">
<ListView.ItemTemplate>
<DataTemplate>
<StackPanel>
<Label Name="Naslov" Content="{Binding}"/>
</StackPanel>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
</Grid>
</Grid>
</Window>

249
semester_3/racunalniska_omrezja/naloga_5/WpfBlockChanApp/MainWindow.xaml.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Threading;
using System.Windows.Threading;
using System.Collections.ObjectModel;
using System.Collections;
using System.Data;
using System.Net.Sockets;
using System.Net;
using System.Windows.Media.Media3D;
using System.Text.Json;
using System.Security.Claims;
namespace WpfBlockChanApp
{
public partial class MainWindow : Window
{
DispatcherTimer timer1s;
DispatcherTimer timer1m;
ObservableCollection<Block> observableBlockChain = new ObservableCollection<Block>();
ObservableCollection<int> observableString = new ObservableCollection<int>();
//static List<string> strings = new List<string>();
static List<int> clients = new List<int>();
const string STD_IP = "127.0.0.1";
static string data;
public MainWindow()
{
InitializeComponent();
this.DataContext = this;
ChainView.ItemsSource = observableBlockChain;
LogView.ItemsSource = observableString;
timer1s = new DispatcherTimer();
timer1s.Interval = TimeSpan.FromSeconds(1);
timer1s.Tick += UpdateData;
timer1s.Start();
timer1m = new DispatcherTimer();
timer1m.Interval = TimeSpan.FromSeconds(30);
timer1m.Tick += Timer1m_Tick;
timer1m.Start();
tcpListener = new TcpListener(IPAddress.Parse(STD_IP), 0);
tcpListener.Start();
data = ((IPEndPoint)tcpListener.LocalEndpoint).Port.ToString();
MyPort.Content = data;
Blockchain.Chain = new List<Block>();
Blockchain.Compute = true;
Block tmpBlock = new Block(0, "", "", 0, 0);
tmpBlock.Hash = "";
Blockchain.Chain.Add(tmpBlock);
stopNetwork = false;
listenThread = new Thread(() => listenerThredFunction());
listenThread.Start();
}
private void Timer1m_Tick(object? sender, EventArgs e)
{
UpdateClients();
}
void UpdateData(object? sender, EventArgs e)
{
for (int i = observableBlockChain.Count; i < Blockchain.Chain.Count; i++)
observableBlockChain.Add(Blockchain.Chain[i]);
for (int i = observableString.Count; i < clients.Count; i++)
observableString.Add(clients[i]);
}
Thread calcualteBlockThread;
static bool stopNetwork = false;
static bool stopMiner = false;
static void ComputeBlockThreadFunction()
{
while (true)
{
if (stopMiner) break;
Blockchain.Compute = true;
ReturnOption option = Blockchain.ComputeBlock(data);
if (!option.isValid) { continue; }
if (Blockchain.AddBlock(option.value))
{
UpdateClients(option.value);
//UpdateClients();
}
}
}
static TcpListener tcpListener;
Thread listenThread;
static void listenerThredFunction()
{
while (true)
{
if (stopNetwork) break;
listen();
}
}
static void listen()
{
try
{
using TcpClient tcpClient = tcpListener.AcceptTcpClient();
using NetworkStream networkStream = tcpClient.GetStream();
byte[] buffer = new byte[4];
int readByts = networkStream.Read(buffer, 0, buffer.Length);
if (readByts <= 0) return;
int sizeOfStruct = BitConverter.ToInt32(buffer);
byte[] isListBuffer = new byte[1];
readByts = networkStream.Read(isListBuffer, 0, isListBuffer.Length);
if(readByts <= 0) return;
bool isList = BitConverter.ToBoolean(isListBuffer);
byte[] data = new byte[sizeOfStruct];
int messageSize = networkStream.Read(data, 0, data.Length);
if (messageSize <= 0) return;
string messageString = Encoding.UTF8.GetString(data, 0, messageSize);
if (isList)
{
List<Block> chain = JsonSerializer.Deserialize<List<Block>>(messageString);
if (!Blockchain.IsValid(chain)) return;
bool update = Blockchain.Evaluete(chain, Blockchain.Chain);
if (update)
{
Blockchain.Chain = chain;
Blockchain.Compute = false;
UpdateClients();
}
}
else
{
Block block = JsonSerializer.Deserialize<Block>(messageString);
if (Blockchain.AddBlock(block))
{
Blockchain.Compute = false;
UpdateClients(block);
}
}
}
catch (Exception e)
{
}
}
static void UpdateClients()
{
string chainString = JsonSerializer.Serialize(Blockchain.Chain);
foreach (var clien in clients)
{
UpdateClient(clien, chainString, true);
}
}
static void UpdateClients(Block block)
{
string blockString = JsonSerializer.Serialize(block);
foreach (var clien in clients)
{
UpdateClient(clien, blockString, false);
}
}
static void UpdateClient(int port, string data, bool isListBool)
{
try
{
using TcpClient tcpClient = new TcpClient();
tcpClient.Connect(IPAddress.Parse(STD_IP), port);
using NetworkStream networkStream = tcpClient.GetStream();
byte[] dataBytes = Encoding.UTF8.GetBytes(data);
byte[] isList = BitConverter.GetBytes(isListBool);
byte[] size = BitConverter.GetBytes(dataBytes.Length);
networkStream.Write(size, 0, size.Length);
networkStream.Write(isList, 0, isList.Length);
networkStream.Write(dataBytes, 0, dataBytes.Length);
}catch(Exception e)
{
}
}
private void Start_Click(object sender, RoutedEventArgs e)
{
Blockchain.Compute = true;
stopMiner = false;
calcualteBlockThread = new Thread(() => ComputeBlockThreadFunction());
calcualteBlockThread.Start();
}
private void Stop_Click(object sender, RoutedEventArgs e)
{
Blockchain.Compute = false;
stopMiner = true;
}
private void Connect_Click(object sender, RoutedEventArgs e)
{
int i = 0;
if(int.TryParse(ConnectBox.Text, out i))
{
clients.Add(i);
ConnectBox.Text = "";
}
}
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
stopNetwork = true;
stopMiner = true;
tcpListener.Stop();
Blockchain.Compute = false;
}
}
}

10
semester_3/racunalniska_omrezja/naloga_5/WpfBlockChanApp/WpfBlockChanApp.csproj Normal file
View File

@@ -0,0 +1,10 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<Nullable>enable</Nullable>
<UseWPF>true</UseWPF>
</PropertyGroup>
</Project>