Science.Cryptography.Ciphers v2 PREVIEW

A full featured toolkit for ancient and classic cipher methods, and their analysis tools, implemented in .NET using high performance memory management and SIMD hardware intrinsics.

Use command-line interface:

crypto encrypt shift -k 13 "Hello world!"
crypto solve "Wkh txlfn eurzq ira mxpsv ryhu wkh odcb grj."

Use rich framework APIs:

dotnet add package Science.Cryptography.Ciphers --prerelease
dotnet add package Science.Cryptography.Ciphers.Specialized --prerelease
dotnet add package Science.Cryptography.Ciphers.Analysis --prerelease

What's new in v2?

New CLI app for new way of usage
Ciphers and tools rewritten to allocation free operation, take advantage of hardware intrinsics, and use specialized fast path for ASCII encoding. See Performance Improvements for details and benchmarks.
Reworked analysis tools and IAsyncEnumerable interface for consuming analysis intermediate results
CryptogramSolver for automatic decryption of ciphertext
Brute force key spaces with parallel partitioning support
New ciphers (10+): Scytale, Morse Code with extended charset, Polybius, Columnar Transposition, Double Columnar Transposition, ADFGX, ADFGVX, Straddling Checkerboard, One-Time Pad, Wolfenbütteler, Malespin
More detailed documentation

Command-line interface

Many of the library operations are published via CLI as well:

Framework APIs

You can unlock the full power of the library from code:

var cipher = new PlayfairCipher();
var key = PolybiusSquare.CreateFromKeyword("PLAYFAIR", WellKnownAlphabets.EnglishWithoutJ);
var ciphertext = cipher.Encrypt("Hello world!", key);

Assets

The full list of assets:

Contribution

Contributions for the following areas are welcome: