CryptoNet is simple, fast and a lightweight asymmetric and symmetric encryption library.

Scripts that illustrate basic cryptography concepts based on Coursera Standford Cryptography I course and more.

Universal text data encryption and decryption tool based on AES-256 CBC. Encrypt text or custom files. Privacy secure encryption in your browser only.

Typescript + Express + Crypto

Encrypted File System simulator.

Encrypt strings and files symmetrically using Argon2id key derivation + AES-256 (GCM) or ChaCha20-Poly1305.

The Hybrid Public Key Encryption (HPKE) standard in Python

Implementation of Advance Encryption Standard (AES-128/192/256/512) using Python and Numpy

crypto; from kruptein to hide or conceal

Implementation of various symmetric key encryption systems like AES, DES, triple DES (3 DES), Ceasar cipher, Substitution cipher, Hill cipher

Variable size symmetric key encryption algorithm. PHP & JavaScript implementation, small, portable and fast.

Program where people can send messages securely to each other.

A novel symmetric encryption algorithm implemented in Dart

dual, double, cascaded, chained symmetric encryption based on either GPG or OpenSSL

Manipulate string with AES and RSA cryptographic methods

Secure symmetric encryption from the command line.

This package provides an easy way to encrypt strings into MD5, SHA1, SHA256, SHA384, SHA512, AES, DES, TripleDES, and RC2 formats. It also provides a way to create your own custom cipher and use it to encrypt strings.

Simplified Data Encryption Standard (S-DES) is a simple version of the DES Algorithm. It is a block cipher that takes a block of plain text and converts it into ciphertext. It takes a block of 8 bit. It is a symmetric key cipher, they use the same key for both encryption and decryption. We take a random 10-bit key and produce two 8-bit keys.

An implementation of the Fernet token specification in PHP

Very simple library based on FramedTCP that provides a fairly secure ecnrypted TCP connection.