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

wolfSSL (formerly CyaSSL) is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3!

A Linux Ransomware

A simple shell utility for encrypting and decrypting files using OpenSSL.

🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC examples are included

s2n : an implementation of the TLS/SSL protocols

A Python wrapper around the OpenSSL library

Underlock makes it dead simple to encrypt and decrypt your data and files. It comes with little to no dependencies and has a very small API surface.

Elasticsearch SSL for free. Supports native Open SSL.

🔓 CLI tool and library to execute padding oracle attacks easily, with support for concurrent network requests and an elegant UI.

A modern TLS library in Rust

Implementations of the Simon and Speck Block Ciphers

Shell scripts to manage a private Certificate Authority using OpenSSL

An Android implementation of the Libsodium cryptography library. For the lazy dev.

Chromium с поддержкой алгоритмов ГОСТ

Build latest OpenSSL binary

Testing TLS/SSL encryption anywhere on any port

Enigma cipher tool

🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.

Modern cryptography for PostgreSQL using libsodium.

JRuby's OpenSSL gem

《深入浅出HTTPS：从原理到实战》代码示例、勘误、反馈、讨论

Snuffy is a simple command line tool to inspect SSL/TLS data.

test SSL/TLS clients how secure they are

支持国密SM2/SM3/SM4/SM9/ZUC/SSL的OpenSSL分支

Python script that collects SSL/TLS information from hosts

A Java library that implements a ByteChannel interface over SSLEngine, enabling easy-to-use (socket-like) TLS for Java applications.

Java Cryptographic, Encoding and Hash Utilities

Android cryptography library with SecureRandom patches.

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

Bash glue to encrypt and hide files

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

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

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

Simple cross-platform encryption and decryption using AES

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

Cryptography Toolkit

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.

Easy PEM file parsing in Python.

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

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

Armor is a simple Bash script designed to create encrypted macOS payloads capable of evading antivirus scanners.

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

End-To-End File & Message Encryption For Discord

Verify some SSL/TLS website or XMPP implementation

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

Provides SSL, TLS and general purpose cryptography.

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

A package for automatically encrypting and decrypting Eloquent attributes in Laravel 5.5+, based on configuration settings.

TLS implementation in pure python, focused on interoperability testing

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#,…

Cert is the Go tool to get TLS certificate information.

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

Fast and powerful SSL/TLS scanning library.

Secure USB DFU1.1 bootloader for STM32

Encrypted, taggable, searchable cloud storage

Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.

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

🔒 Memorable site for testing clients against bad SSL configs.

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

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