PHP Secure Communications Library

The Illustrated TLS Connection: Every byte explained

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.

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

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

Node.js RSA library

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

"JSON Web Almost Everything" - JWA, JWS, JWE, JWK, JWT, JWKS for Node.js with minimal dependencies

Mastering Algorithms with C 《算法精解：C语言描述》源码及Xcode工程、Linux工程

Open Source License Key Generation and Verification Tool written in Go

ROCA: Infineon RSA key vulnerability

attacking RSA via lattice reductions (LLL)

A comfortable update solution for .NET-applications.

Heimdall is a wrapper around the Security framework for simple encryption/decryption operations.

a little tool help CTFer solve RSA problem

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

AES+RSA结合应用java示例

Python-RSA is a pure-Python RSA implementation.

A Python Toolbox for Statistics and Neurophysiological Signal Processing (EEG, EDA, ECG, EMG...).

iOS Object-C OC swift RSA加密

Crypt::LE - Let's Encrypt / Buypass / ACME client and library in Perl for obtaining free SSL certificates (inc. generating RSA/ECC keys and CSRs). HTTP/DNS verification is supported out of the box, easily extended with plugins, easily dockerized.

Compiler-free Python crypto library backed by the OS, supporting CPython and PyPy

go语言封装的各种对称加密和非对称加密，可以直接使用，包括3重DES，AES的CBC和CTR模式，还有RSA非对称加密,ECC椭圆曲线的加密和数字签名

C# Network Library

.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.

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

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

🔒 A set of high-level APIs over PointyCastle for two-way cryptography.

Windows Secure Shell Client With Support For Smart Cards & Certificates