740 Open source projects that are alternatives of or similar to Pagecrypt

A Java implementation of Shamir's Secret Sharing algorithm over GF(256).

Keys and certificates for YubiKeys, written in Go

可对 Xcode 项目工程所有的 objective-c 文件内包含的明文进行加密混淆，提高逆向分析难度。

Open source Android, iOS and Web app for learning about and managing digital and physical security. From how to send a secure message to dealing with a kidnap. Umbrella has best practice guides in over 40 topics in multiple languages. Used daily by people working in high risk countries - journalists, activists, diplomats, business travelers etc.

Golang (GO) implementation of Javascript Object Signing and Encryption specification

Authenticated Data Structures Generically

EteSync - Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks.

Library for the Shamir secret sharing scheme

High performance and distributed KV store w/ REST API. 🦀

Як не стати кібер-жертвою

Torus nodes run a Distributed Key Generation protocol amongst themselves that allows for the generation, storage and assignment of cryptographic keys

A Stable & Secure Tunnel based on KCP with N:M multiplexing and FEC. Available for ARM, MIPS, 386 and AMD64。KCPプロトコルに基づく安全なトンネル。KCP 프로토콜을 기반으로 하는 보안 터널입니다。

A simple management tool for dnscrypt-proxy

🔑 Secure alternative to JWT. Authenticated Encrypted API Tokens for Go.

Provides familiar Spring abstractions for HashiCorp Vault

Brook is a cross-platform strong encryption and not detectable proxy. Zero-Configuration. Brook 是一个跨平台的强加密无特征的代理软件. 零配置.

Key Management and Crypto Building Block for your App or Device.

A SDK for implementing blockchain-based digital currencies

Managed .NET wrapper for unmanaged PKCS#11 libraries

The SIMON and SPECK families of lightweight block ciphers. #nsacyber

A WebAssembly (via AssemblyScript) set of cryptographic primitives for building authentication and key exchange protocols.

Library for securely hashing passwords

Reverse engineering WhatsApp. Documentation and protocols.

X25519 elliptic curve Diffie-Hellman key exchange in pure-Rust, using curve25519-dalek.

Λ ⚬ λ: Functional Lattice Cryptography

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

ldqk.xyz/55

Solidity crypto libraries, ring signatures, proof of knowledge, packed signatures etc. with matching Python implementations for secp256k1 and (alt)BN-256

Python library for the https://mega.nz/ API.

OpenTimestamps server component

The CIDLib general purpose C++ development environment

PHP library to generate BTC addresses and signatures from private keys.

Encrypted overlay filesystem written in Go

MPyC for Secure Multiparty Computation in Python

Dumb, but easily verifiable implementations of crypto algorithms

Simple and Secure Wrapper for phpseclib

wolfSSH is a small, fast, portable SSH implementation, including support for SCP and SFTP.

🔐 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

An implementation of JOSE standards (JWE, JWS, JWT) in Go

Noise Protocol Framework - Python 3 implementation

Exploit Development, Reverse Engineering & Cryptography

Java library for distributed zero knowledge proof systems

Bitsliced Crypto-1 brute-forcer

Pythonic ransomware proof of concept.

BitTorrent library and client with DHT, magnet links, encryption and more

A free, secure and open source app for Android to manage your 2-step verification tokens.

一个分布式(p2p)云教学/云课堂/直播平台系统CMS，睿易派的开源替代品

🔐 A detailed example for how to encrypt data in a Phoenix (Elixir) App before inserting into a database using Ecto Types

Modern Cryptographic Firmware

The OpenABE library - open source cryptographic library with attribute-based encryption implementations in C/C++

Password protect a static HTML page

Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verification with support for alert emails. It uses hardware-backed keys and attestation support as the foundation and chains trust to the app for software checks.

An EteSync web client

Hide secrets with invisible characters in plain text securely using passwords 🧙🏻‍♂️⭐

Make using Bouncy Castle with OpenPGP fun again!

Learning the Enigma with Recurrent Neural Networks

The magma server daemon, is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN,. Additional support for DMTP and DMAP is currently in active development.

Android library to reveal or obfuscate strings and assets at runtime

Wolves Among the Sheep

Scripts to manipulate Mstar firmware binaries (e.g. MstarUpgrade.bin, LetvUpgrade.bin etc)