Awesome GitHub RepositoriesCryptographie

Libsodium is a portable, C-based cryptographic library that provides a collection of modern primitives for encryption, decryption, digital signatures, password hashing, and secure key exchange. It is designed to facilitate secure communication and data integrity across diverse hardware architectures and operating systems. The library distinguishes itself by utilizing constant-time primitive execution to prevent side-channel attacks and employing memory-hard algorithms to increase the difficulty of brute-force password attacks. It abstracts complex mathematical operations into simplified inter

xxHash is a high-performance, non-cryptographic hash library designed for rapid checksum generation and data integrity verification. It functions as an incremental hashing engine, allowing for the processing of large or streaming data inputs by maintaining a persistent internal state across sequential chunks. The library is engineered as a computational framework that maximizes throughput by utilizing wide CPU registers and branchless instruction pipelining. It achieves high-speed performance by aligning data access with CPU cache lines and employing multi-stage mixing functions that ensure c

CryptoSwift is a cryptography library implemented entirely in the Swift programming language. It provides a collection of standard cryptographic algorithms for encryption, decryption, and hashing without relying on native C libraries or system frameworks. The library supports symmetric and asymmetric encryption, including RSA key generation and signature management. It features authenticated encryption schemes and the ability to generate cryptographic digests for data integrity verification. The toolset covers message authentication codes, secure key derivation from passwords, and data paddi

Paramiko is a pure-Python implementation of the SSH2 protocol, providing a library for making secure network connections and executing remote commands. It serves as a programmatic interface for establishing encrypted communication tunnels and managing remote sessions. The project includes a full SSH server framework, allowing applications to host a secure shell server and define server-side access configurations directly within Python. It also provides a dedicated SFTP client library for secure file transfers and remote filesystem management. The library covers remote infrastructure automati

This project is a Python cryptography library that provides a collection of cryptographic primitives and high-level recipes for implementing secure encryption and authentication. It functions as a symmetric encryption toolkit and a cryptographic hash provider, offering both a low-level cryptographic interface for building custom protocols and high-level tools for securing data. The library covers a broad range of security capabilities, including symmetric data encryption, the derivation of cryptographic keys from passwords or secret values, and data integrity verification through the generati

Mbed TLS is a C library that provides a full implementation of the TLS and DTLS protocols for secure network communication, a library of fundamental cryptographic primitives, and a reference implementation of the PSA Cryptography API. It also includes libraries for parsing, validating, and managing X.509 digital certificates, as well as support for integrating hardware cryptoprocessors through the PSA Cryptoprocessor Driver Interface. The library is designed for resource-constrained environments and is built from source with a customizable feature set, allowing developers to select which TLS

Hiredis is a minimalistic C client library designed to send commands and receive responses from Redis servers using a binary-safe protocol. It functions as a core toolkit providing a Redis protocol parser, a secure connector, and both synchronous and asynchronous driver interfaces. The library distinguishes itself through a decoupled protocol parser that converts raw byte streams into structured data objects independently of the network transport layer. It supports high-performance pipelining to batch multiple commands into a single network round-trip and provides a secure networking layer fo

tiny-AES-c is a lightweight C language cryptography library that provides a symmetric cipher implementation of the Advanced Encryption Standard. It functions as a portable set of functions for encrypting and decrypting data using a shared secret key. The library is designed for embedded system security, enabling cryptographic operations on hardware with limited memory and processing power. It provides these capabilities without relying on large external dependencies. The implementation utilizes a standard C library approach, employing table-based substitution and in-place buffer mutation to

CCCryptor (AES encryption) wrappers for iOS and Mac in Swift. -- For ObjC, see RNCryptor/RNCryptor-objc

A self-contained cryptographic library for Python

LMDB is an embedded key-value storage engine that provides ACID-compliant data persistence. It is a memory-mapped database that utilizes B+ trees to store key-value pairs, ensuring atomicity, consistency, isolation, and durability. The engine maps files directly into the virtual address space to minimize data copying and system calls. This approach enables high-performance local caching and low-latency data access, specifically optimizing for read-heavy database workflows. The system implements a transactional model with copy-on-write versioning and single-writer multi-reader locking. These

Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.

LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.

ci: Ancillary files, data, and scripts for the CI pipeline common/defs: JSON coin definitions and support tables common/protob: Common protobuf definitions for the Trezor protocol common/tools: Tools for managing coin definitions and related data core: Trezor Core, a firmware implementation for…

OpenSSL bindings for Rust

Modern(-ish) password hashing for your software and your servers

A (mostly) pure-Rust implementation of various cryptographic algorithms.

Implementation of hashids (http://hashids.org) in Python. Compatible with Python 2 and Python 3

ECDH and ECDSA for 8-bit, 32-bit, and 64-bit processors.

RSA public/private key encryption in Swift