A simple C# code library that makes encrypting blocks of data easier. Data blocks are encrypted using AES but also have HMAC integrity built in to guard against data tampering or corruption. This library is designed to be very easy to use.

AESClass is a lightweight class for encrypting and decrypting with AES

Azure Service Bus Encryption Library

A .NET library for symmetric key encryption using the Gimli permutation

A Polyalphabetic Cipher which uses a passphrase to generate a SHA512 hash from which a Xoshiro PNRG is seeded. This used to deterministically calculate the shift value of each character in sequence.