Guidance on implementing cryptography as a developer.

Industry Working Group on Automated Cryptographic Algorithm Validation

The Double Ratchet Algorithm implementation in Go

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

Classical ciphers: Caesar, ADFGX, ROT13 and etc.

Python library of efficient and numerically-precise randomness extractors

A list of VHDL codes implementing cryptographic algorithms

JSON Object Signing and Encryption for Node.js and the browser

A CrossLanguage Encryption Module to encrypt data/files (Asymmetric and Symmetric encryption handled)

ADAM is an actively developed CSPRNG inspired by ISAAC64

We implement Delegatable Anonymous Credentials using Mercurial Signatures

Symmetric-key Hidden Vector Encryption Scheme

A crossplatform Secret sharing Tool using python3 . Can be used as offline Password Backup System.

A lightweight library for secure multi-party computation (MPC) based on the GMW protocol, fully written in C#.

The source codes of the SWAN cipher

C++ implementation of cryptographic algorithms such as AES, DES, RSA, DSA, ECC (elliptic curve), MD5, Diffie_Hellman, ElGamal, Caesar cipher, and shift cipher. AES、DES、RSA、DSA、ECC（椭圆曲线）、MD5、Diffie_Hellman、ElGamal、凯撒密码、移位密码等密码学算法的C++实现。

Cryptography-related data repository with Python wrapper (read-only clone of the original GitLab project)

Implementation of Oblivious Dynamic Searchable Encryption Framework

Post-quantum cryptographic implementation of HQC (Hamming Quasi-Cyclic) - a NIST PQC candidate for quantum-resistant key encapsulation using code-based cryptography

The Double Ratchet Algorithm implementation in Go