1361 Open source projects that are alternatives of or similar to Openssl

CertCenter API Go Implementation

A secure and PGP enabled webmail module for Phosphorus Five

encrypt and decrypt files in your browser. Fast, Secure client-side File Encryption and Decryption using the web crypto api

Easy-to-use high-level library for PKI-enabled applications

Animal Crossing: New Horizons Save Encryptor/Decryptor

Simple framework for TCP clients and servers. Focused on performance and usability.

In-Browser AES File Encryption 🔐 with Data Integrity Check 🔍

A fully manual Let's Encrypt/ACME client

DevSec SSL/TLS Baseline - InSpec Profile

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

Demos, Examples, Tutorials for using Microsoft SEAL library.

A Brisk and Better Assured Cryptographic Toolkit

An automated, modular cryptanalysis tool; i.e., a Weapon of Math Destruction

100% Open-Source Packet Capture Agent for HEP

TLS implementation in pure python, focused on interoperability testing

Docker OpenLDAP Container w/TLS & Replication Support S6 Overlay, and Zabbix Monitoring based on Alpine

Main repository for the Veracruz privacy-preserving compute project.

A simple SSL/TLS proxy with mutual authentication for securing non-TLS services

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

Small and made-easy HTTP/HTTPS server based on Jef Poskanzer's thttpd

A modern and easy-to-use cryptographic library for .NET Core based on libsodium

Generates self-signed x509/TLS/SSL certificates useful for development

Easy PEM file parsing in Python.

Bash glue to encrypt and hide files

Client-side password-protection for HTML

Anonymous web chat server, built on top of Themis/WebThemis

🔐A petite library of encryption functions for PHP

Google Cloud Platform IOT Core Examples

Simple HTTP golang framework

Open Source Your Password (Mismanagement)!

A sample backend that demonstrates how to generate a Virgil JWT and Twilio token used for authentication with the Virgil and Twilio services

A collection of common (interesting) cryptographic mistakes.

Cryptography Toolkit

A simple LD_PRELOAD library to disable SSL certificate verification. Inspired by libeatmydata.

Tools to bootstrap CAs, certificate requests, and signed certificates.

🛡 I2P: End-to-End encrypted and anonymous Internet

React Native TCP socket API for Android, iOS & macOS with client SSL/TLS support

An open source cybersecurity protocol for syncing decentralized graph data.

An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Automatic directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP support, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#,…

Simple cross-platform encryption and decryption using AES

.NET Standard 1.3 implementation of the Noise Protocol Framework (revision 33 of the spec)

A light TLS implementation used for learning: TLS 1.0 TLS 1.1 TLS 1.2 TLS 1.3 GMSSL 1.1(国密SSL) based on libcrypto.so.

End-To-End File & Message Encryption For Discord

🔒 acmetool, an automatic certificate acquisition tool for ACME (Let's Encrypt)

Certificate Manager in .NET Core for creating and using X509 certificates

Repository for the Lemur Certificate Manager

A script for compiling OpenSSL for iOS Devices (iPhone, iPad, iPod Touch, AppleTV, MacCatalyst)

Cert is the Go tool to get TLS certificate information.

Provides SSL, TLS and general purpose cryptography.

Script to check validity and expiration of TLS/SSL certificate on site. May be used with Zabbix or standalone.

KES is a simple, stateless and distributed key-management system

Successor of zendesk/helm-secrets - A helm plugin that help manage secrets with Git workflow and store them anywhere

🔒 Memorable site for testing clients against bad SSL configs.

MagicPad is an encryption suite for beginners. It is designed to be run standalone via the browser or executable (Electron).

Exports Prometheus metrics for SSL certificates

SQLite3 encryption that sucks less

Swift cross-platform crypto library using CommonCrypto/libcrypto

Encrypted, taggable, searchable cloud storage

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.

YAWAST ...where a pentest starts. Security Toolkit for Web-based Applications