197 Open source projects that are alternatives of or similar to Computer-Security-algorithms

A cryptographic tomb of ciphers forgotten by time.

Classical ciphers: Caesar, ADFGX, ROT13 and etc.

提供一些加密算法java代码封装 包括 RSA/AES/DES/3DES/MD5/SHA/HmacSHA256

一些常用的java sdk和工具类（日期工具类，分布式锁，redis缓存，二叉树，反射工具类，线程池，对称/非对称/分段加解密，json序列化，http工具，雪花算法，字符串相似度，集合操作工具，xml解析，重试Retry工具类，Jvm监控等）

A secure chat between an Android client and Java server using AES for encryption and Diffie-Hellman for key exchange.

🐑 Decentralized chat with private messages and rooms. Messages and files are encrypted using RSA

base on crypto module

Western Digital Decryption tools

Make HTTP transmissions more secure via RSA+AES, encrypted communication for C/S architecture.

VESvault End-to-End Encryption API: Encrypt Everything Without Fear of Losing the Key

PHP Secure Communications Library

[Flutter] 本项目基于flutter_macos_v0.5.8-dev版本采用Dart语言开发。`DYFCryptoProvider`集成了Base64, 32/16 Bits MD5, AES, RSA等算法。(This Flutter project is developed in Dart language based on flutter_macos_v0.5.8-dev. `DYFCryptoProvider` integrates Base64, 32/16 Bits MD5, AES and RSA algorithms.)

NETCore encrypt and decrpty tool，Include aes，des，rsa，md5，sha1，sha256，sha384，sha512

（停止维护，替代品搜索：https://github.com/search?l=Java&q=encrypt&type=Repositories ）SpringBoot控制器统一的响应体加密与请求体解密的注解处理方式，支持MD5/SHA/AES/DES/RSA

RSA attack tool (mainly for ctf) - retreive private key from weak public key and/or uncipher data

Pure rust implementation of the rot26 algorithm

Send and Receive files directly from your browser with end-to-end encryption

$2 hardware SSH keys storage

No description or website provided.

Cryptographic accumulators in Rust.

TLS implementation in pure python, focused on interoperability testing

A WebCrypto Polyfill for Node in TypeScript built on OpenSSL.

D(HE)ater is a proof of concept implementation of the D(HE)at attack (CVE-2002-20001) through which denial-of-service can be performed by enforcing the Diffie-Hellman key exchange.

Strong encryption for Java simplified

Simple RSA wrapper for iOS

Compute md5 value of file or string.

CryptoKnight is a general purpose cryptography desktop app

The Illustrated TLS Connection: Every byte explained

big file and string RSA encryption by android

Simple and Secure Wrapper for phpseclib

基于非对称加密(RSA)的私密信息传递工具，数据由本地客户端进行加密、解密操作。

Cross platform PoC ransomware written in Go

Spring Boot 接口请求参数自动加解密

Go 开发常用工具库, Google2步验证客户端,AES加密解密,RSA加密解密,钉钉机器人,邮件发送,JWT生成解析,Log,BoltDB操作,图片操作,json操作,struct序列化

Cooperative RSA signing

A ransomware developed in python, with bypass technics, for educational purposes.

📷 Pixel Safe Encryption - Now Cryptographically Secure 🔒

🔑 Hashing (BCrypt, SHA2, HMAC), encryption (AES), public-key (RSA), and random data generation.

webcrypto-liner is a polyfill that let's down-level User Agents (like IE/Edge) use libraries that depend on WebCrypto. (Keywords: Javascript, WebCrypto, Shim, Polyfill)

OPTIGA™ Trust M Software Framework

RSA+AES hybrid encryption implementation for JavaScript. Works with Node.js, React Native and modern browsers.

MD5长度扩展攻击

A Free and Comprehensive Encrypt and Decrypt Tools Website with example code in Node.js, Website is looking for a new server.

This is a function wrapping through the Openssl to sign and validate the data, which ensures the integrity and security of the original data.

🇸Superpowered Audio, Networking and Cryptographics SDKs. High performance and cross platform on Android, iOS, macOS, tvOS, Linux, Windows and modern web browsers.

C# Network Library

Node.js RSA library

Cryptographic primitives for MirageOS

Fully-featured tool that combines state-of-the-art TLS analyzers with a report system that suggests appropriate mitigations and shows the full set of viable attacks.

The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES JSON Web Signature/Token in pure JavaScript.

Ncurses TCP Chat

Secure data before sending it over the internet

Contains tools for solving RSA and other crypto problems in CTFs.

rsa-javascript

is a package which gives you a possibility to run every OpenSSL command 🔒 in Node.js in a handy way. Moreover, parameters like -in, -keyin, -config and etc can be replaced by a raw data (Buffor).

A simple brute forcer written in GO for SHA1, SHA256, SHA512, MD5 and bcrypt

A simple wrapper for the OpenSSL Cipher library for Ruby and Rails applications. Distributed as a Gem through Rubygems.

.NET Core RSA algorithm using the help tool.It supports data encryption, decryption, signature and verification signature.It supports three key formats, namely: xml, pkcs1, pkcs8.It also supports key conversion for these three formats.Last also support pem formatting.

RSA public/private key encryption in Swift

RSA public/private key generation, RSA, AES encryption/decryption, RSA sign/verify in Swift with CommonCrypto in iOS and OS X