NTDLS.Permafrost 2.1.0

dotnet add package NTDLS.Permafrost --version 2.1.0
                    
NuGet\Install-Package NTDLS.Permafrost -Version 2.1.0
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="NTDLS.Permafrost" Version="2.1.0" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="NTDLS.Permafrost" Version="2.1.0" />
                    
Directory.Packages.props
<PackageReference Include="NTDLS.Permafrost" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add NTDLS.Permafrost --version 2.1.0
                    
#r "nuget: NTDLS.Permafrost, 2.1.0"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#addin nuget:?package=NTDLS.Permafrost&version=2.1.0
                    
Install NTDLS.Permafrost as a Cake Addin
#tool nuget:?package=NTDLS.Permafrost&version=2.1.0
                    
Install NTDLS.Permafrost as a Cake Tool

NTDLS.Permafrost

📦 Be sure to check out the NuGet package: https://www.nuget.org/packages/NTDLS.Permafrost

Permafrost encryption library, derived from NASCCL. The NetworkDLS Algorithmic Symmetric Cipher Cryptography Library.

Simple string encryption example:

using var permafrost = new PermafrostCipher("ThisIsTheP@$$w0Rd!", PermafrostMode.AutoReset);
var cipherBytes = permafrost.Cipher("This is some text that I would like to keep safe if that is ok with you? Oh, it is? Good!");
var decipherBytes = permafrost.Cipher(cipherBytes);
string decipheredText = Encoding.UTF8.GetString(decipherBytes);

Streaming example with chaining.

public static void EncryptAndCompressFile(string inputPath, string outputPath)
{
    byte[] buffer = new byte[8192];

    using var input = File.OpenRead(inputPath);
    using var output = File.Create(outputPath);
    using var permafrost = new PermafrostStream(output, "ThisIsTheP@$$w0Rd!");
    using var gzip = new GZipStream(permafrost, CompressionLevel.SmallestSize);

    int bytesRead;
    while ((bytesRead = input.Read(buffer, 0, buffer.Length)) > 0)
    {
        gzip.Write(buffer, 0, bytesRead);
    }
}

public static void DecryptAndDecompressFile(string inputPath, string outputPath)
{
    byte[] buffer = new byte[8192];

    using var input = File.OpenRead(inputPath);
    using var permafrost = new PermafrostStream(input, "ThisIsTheP@$$w0Rd!");
    using var gzip = new GZipStream(permafrost, CompressionMode.Decompress);
    using var output = File.Create(outputPath);

    int bytesRead;
    while ((bytesRead = gzip.Read(buffer, 0, buffer.Length)) > 0)
    {
        output.Write(buffer, 0, bytesRead);
    }
}

Visulation of 1MB NULL values.

TestOutput txt

Product Compatible and additional computed target framework versions.
.NET net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.
  • net8.0

    • No dependencies.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last updated
2.1.0 251 18 days ago
2.0.0 252 18 days ago
1.0.0 139 18 days ago

Vastly improved entropy.
     Wider key schedule reach.